--- title: "Ottawa to Baltimore flights from CA $422 - Low Price Flights - Expedia.ca" description: "Looking for budget flights from Ottawa (YOW) to Baltimore (BWI)? Find one-way flights from CA $422 and roundtrip from CA $752, and track the price of your flight!" canonical: "https://www.expedia.ca/lp/flights/yow/bwi/ottawa-to-baltimore" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-13T22:33:51Z --- # CA $422 Cheap Flights from Ottawa (YOW) to Baltimore (BWI) ![A city skyline at dusk with illuminated buildings and a marina with boats.](https://images.trvl-media.com/place/6340201/6a830bac-72f2-45b8-a026-36f43ce47f0d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $422 flight on Tue, Jan 26, 2027](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:26/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:421.16&airProductToken=AQplCjQI0IgBEgM1MTMY2LMBIOVaKPXFowMw2MejAzhYQABYAWoIU1RBTkRBUkRyCFg0TjBaRFpTCi0IwmwSBDI1OTQY5VogwUUop8ujAzDTzKMDOFBAAVgBagJBTnIIUE40UVVPWTUSCggBEAEYASoCUEQYASIECAEQASgCKAMoBDAB) ## Popular airlines from Ottawa International Airport (YOW) to Baltimore Washington International Airport (BWI) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:27/11/2026TANYT&leg2=from:BWI,to:YOW,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:27/11/2026TANYT&leg2=from:BWI,to:YOW,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [WestJet](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:27/11/2026TANYT&leg2=from:BWI,to:YOW,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap Flights from Ottawa to Baltimore (YOW-BWI) Prices were available within the past 7 days and start at CA $422 for one-way flights and CA $752 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Porter Airlines flight, departing Tue, Jan 26 from Ottawa to Baltimore, returning Wed, Feb 3, priced at CA $752 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:26/01/2027TANYT&leg2=from:BWI,to:YOW,departure:03/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:751.88&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKPXFowMw2MejAzhYQABYAQofCMJsEgQyMDk0GOVaIMFFKN3IowMwhsqjAzhQQAFYAQpDCh8IwmwSBDE3OTUYwUUg5VootJ-kAzDdoKQDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKMyhpAMwnKOkAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Tue, Jan 26 - Wed, Feb 3 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Tue, Jan 26 from Ottawa to Baltimore, returning Thu, Feb 4, priced at CA $766 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:26/01/2027TANYT&leg2=from:BWI,to:YOW,departure:04/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:765.53&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKPXFowMw2MejAzhYQABYAQofCMJsEgQyMDk0GOVaIMFFKN3IowMwhsqjAzhQQAFYAQpDCh8IwmwSBDI5OTUYwUUg5VoozKukAzD2rKQDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKLytpAMwia-kAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Tue, Jan 26 - Thu, Feb 4 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Mon, Jan 25 from Ottawa to Baltimore, returning Wed, Feb 3, priced at CA $774 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:25/01/2027TANYT&leg2=from:BWI,to:YOW,departure:03/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:773.19&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKNW6owMwuLyjAzhYQABYAQofCMJsEgQyMDk0GOVaIMFFKL29owMw5r6jAzhQQAFYAQpDCh8IwmwSBDE3OTUYwUUg5VootJ-kAzDdoKQDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKMyhpAMwnKOkAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Mon, Jan 25 - Wed, Feb 3 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Tue, Dec 1 from Ottawa to Baltimore, returning Wed, Dec 16, priced at CA $776 Found 19 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:01/12/2026TANYT&leg2=from:BWI,to:YOW,departure:16/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:775.28&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKPDPngMw0dGeAzhYQABYAQofCMJsEgQyOTk0GOVaIMFFKLfWngMwzteeAzhQQAFYAQpDCh8IwmwSBDI1OTUYwUUg5VooyfyfAzDn%5FZ8DOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKJeGoAMw6YegAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Tue, Dec 1 - Wed, Dec 16 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Tue, Dec 1 from Ottawa to Baltimore, returning Wed, Dec 9, priced at CA $780 Found 19 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:01/12/2026TANYT&leg2=from:BWI,to:YOW,departure:09/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:779.48&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKPDPngMw0dGeAzhYQABYAQofCMJsEgQyOTk0GOVaIMFFKLfWngMwzteeAzhQQAFYAQpDCh8IwmwSBDI5OTUYwUUg5VoorKqfAzDMq58DOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKPKvnwMwxLGfAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Tue, Dec 1 - Wed, Dec 9 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Mon, Jan 25 from Ottawa to Baltimore, returning Thu, Feb 4, priced at CA $787 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:25/01/2027TANYT&leg2=from:BWI,to:YOW,departure:04/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:786.97&airProductToken=AQpDCiAI0IgBEgM1MTMY2LMBIOVaKNW6owMwuLyjAzhYQABYAQofCMJsEgQyMDk0GOVaIMFFKL29owMw5r6jAzhQQAFYAQpDCh8IwmwSBDI5OTUYwUUg5VoozKukAzD2rKQDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKLytpAMwia-kAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Mon, Jan 25 - Thu, Feb 4 · YOW · BWI · Roundtrip [Select Porter Airlines flight, departing Sun, Jan 24 from Ottawa to Baltimore, returning Wed, Feb 3, priced at CA $789 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:24/01/2027TANYT&leg2=from:BWI,to:YOW,departure:03/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:788.50&airProductToken=AQpDCiAI0IgBEgM1MTUY2LMBIOVaKKmzowMwjLWjAzhYQABYAQofCMJsEgQyOTk0GOVaIMFFKPe1owMworejAzhQQAFYAQpDCh8IwmwSBDE3OTUYwUUg5VootJ-kAzDdoKQDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKMyhpAMwnKOkAzhYQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) Sun, Jan 24 - Wed, Feb 3 · YOW · BWI · Roundtrip [Select United flight, departing Sat, Jul 10 from Ottawa to Baltimore, returning Tue, Jul 13, priced at CA $954 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:10/07/2027TANYT&leg2=from:BWI,to:YOW,departure:13/07/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:953.42&airProductToken=AQpsCjUI1YIBEgQzNjU5GNizASCuHCjAirIDMNuLsgM4TkAAWAFqCEVDT0JBU0lDcghUQUE1QUZCTgozCNWCARIDNjc1GK4cIMFFKPaMsgMw9o2yAzhOQAFYAWoIRUNPQkFTSUNyCFRBQTVBRkJOCm0KNAjVggESBDE5OTYYwUUgrhwoiaeyAzCNqLIDOE5AAFgBaghFQ09CQVNJQ3IIVEFBNUFGQk4KNQjVggESBDM1MDkYrhwg2LMBKJSrsgMwmqyyAzhOQAFYAWoIRUNPQkFTSUNyCFRBQTVBRkJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) Sat, Jul 10 - Tue, Jul 13 · YOW · BWI · Roundtrip [Select American Airlines flight, departing Tue, Jun 15 from Ottawa to Baltimore, returning Tue, Jun 22, priced at CA $1,053 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:15/06/2027TANYT&leg2=from:BWI,to:YOW,departure:22/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1052.66&airProductToken=AQqnAQo-CMGCARIEOTExMhjYswEgmM4BKLTsrwMw-eyvAzhOQABYAWoETUFJTnIITldBQ1pOTjF6CgjQiAESBDkxMTIKMgjBggESBDUwMjAYmM4BIOKaASjY7q8DMNrvrwM4TkABWAFqBE1BSU5yCE5XQUNaTk4xCjEIwYIBEgQxMzEyGOKaASDBRSjf8K8DMLvxrwM4TkABWAFqBE1BSU5yCE5XQUNaTk4xCqcBCjEIwYIBEgQyODM5GMFFIOKaASizvrADMJS%5FsAM4R0AAWAFqBE1BSU5yCEdWQUNaTk4xCjIIwYIBEgQ1MDQ1GOKaASCYzgEoyb-wAzDUwLADOEdAAVgBagRNQUlOcghHVkFDWk5OMQo-CMGCARIEOTExNBiYzgEg2LMBKNfBsAMwmMKwAzhHQAFYAWoETUFJTnIIR1ZBQ1pOTjF6CgjQiAESBDkxMTQSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) Tue, Jun 15 - Tue, Jun 22 · YOW · BWI · Roundtrip [Select WestJet flight, departing Tue, Jun 15 from Ottawa to Baltimore, returning Tue, Jun 22, priced at CA $1,890 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:BWI,departure:15/06/2027TANYT&leg2=from:BWI,to:YOW,departure:22/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1889.50&airProductToken=AQqzAQoyCNemARIDODkzGNizASCYzgEor-yvAzDw7K8DOExAAFgBagVFQ09OT3IITE9WRDBaRVMKPgjXpgESBDcxMDYYmM4BIOBcKMLurwMw1u-vAzhMQAFYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ3MTA2Cj0I16YBEgQ2NTkzGOBcIMFFKKPwrwMwj%5FGvAzhMQAFYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ2NTkzCrMBCj0I16YBEgQ3NTkxGMFFIOBcKMi8sAMww72wAzhMQABYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ3NTkxCj4I16YBEgQ3MDc5GOBcIJjOASiRwbADMJbCsAM4TEABWAFqBUVDT05PcghMT1ZEMFpFU3oKCMSYARIENzA3OQoyCNemARIDODkyGJjOASDYswEo48KwAzCkw7ADOExAAVgBagVFQ09OT3IITE9WRDBaRVMSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB) Tue, Jun 15 - Tue, Jun 22 · YOW · BWI · Roundtrip ## Alternative airports near Baltimore Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city centre is 57 minutes. Flights from CA $908](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:DCA,departure:27/11/2026TANYT&leg2=from:DCA,to:YOW,departure:30/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 57 min ## Book with confidence ### Ottawa to Baltimore Flights #### The easy way to book your flights from Ottawa to Baltimore With Expedia, it’s simple to find and book flights to Baltimore from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to Baltimore Washington Intl. Thurgood Marshall, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Baltimore today, tomorrow, or this week. #### Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Baltimore Washington Intl. Thurgood Marshall, BWI Sort your search results by price to find great deals on your flight from Ottawa to Baltimore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Baltimore from Ottawa currently is just CA $752 rising to CA $1,890\. Here are more money-saving tips: - Fly in January when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Baltimore - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! #### Reasons to choose Expedia for your flight to Baltimore from Ottawa Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Baltimore with Expedia today. ## Frequently Asked Questions ### How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost? You can find cheap one-way flights from CA $422 and cheap return flights CA $752 YOW to BWI with Expedia. Return flights often range between CA$1015 and CA$2911\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to BWI ticket fares go up or down. ### What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? The cheapest months to fly from YOW to BWI are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? Enter YOW to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? Passaredo Transportes Aereos is one of the cheapest airlines offering connecting return flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), with prices starting from around CA$881 for flights that can be booked for departure within the next year. These flights typically include a layover in Logan Intl. (BOS). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. ### How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.ca/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? There are approximately 17 connecting flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall). Some common connection points include Pearson Intl. (YYZ), O'Hare Intl. (ORD), and Pierre Elliott Trudeau Intl. (YUL). ### What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically departs around 5:00 AM. This service is seasonal, active only in March, and is operated by airlines like Air Canada and Delta. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? You'll find the most flights from Ottawa Macdonald-Cartier Intl. (YOW) to Baltimore Washington Intl. Thurgood Marshall (BWI) on Tuesdays, with around 25 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, United, and Porter Airlines. Flight schedules are consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly. ### What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? The most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) are in the morning, from 6am to 9am. Many major carriers, including Porter Airlines, United and WestJet, offer flights during this window. Many travelers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day. ### How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall). For flights with one stop, you can expect the journey to take around 7 hours 30 minutes. If your flight has two or more stops, the travel time typically increases to about 11 hours 18 minutes. The distance between these two airports is approximately 689 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions. ### Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? Yes, you can fly business class or first class between YOW and BWI. First class cabins are available on United. ### How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia? It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.ca/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for Baltimore, MD (BWI) from Ottawa, ON (YOW)? If you're planning to travel to Baltimore from Macdonald-Cartier Intl. (YOW), you can fly directly into Baltimore Washington Intl. Thurgood Marshall (BWI). Some flights may connect through major hubs like Pearson Intl. (YYZ), Liberty Intl. (EWR), or Pierre Elliott Trudeau Intl. (YUL) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute? Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package? Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) [flight and hotel package](https://www.expedia.ca/baltimore.d178235.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)? If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.ca/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.ca/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Ottawa International Airport | | ------------------- | ------------------------------------------ | | Destination airport | Baltimore Washington International Airport | | Distance | 688 km away | | Airlines serving | American Airlines, United, WestJet | | Popular airline | American Airlines | | Roundtrip price | CA $752 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Bellingham (BLI) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/bli/bwi/bellingham-to-baltimore) - [Flights from Abbotsford (YXX) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yxx/bwi/abbotsford-to-baltimore) - [Flights from Presque Isle (PQI) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/pqi/bwi/presque-isle-to-baltimore) - [Flights from Moncton (YQM) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqm/bwi/moncton-to-baltimore) - [Flights from Charlottetown Alexander B. Campbell Airport (YYG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yyg/bwi/charlottetown-to-baltimore) - [Flights from Raleigh (RDU) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/rdu/bwi/raleigh-to-baltimore) - [Flights from Minot (MOT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mot/bwi/minot-to-baltimore) - [Flights from Atlanta (ATL) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/atl/bwi/atlanta-to-baltimore) - [Flights from Seattle (SEA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/sea/bwi/seattle-to-baltimore) - [Flights from Charlotte (CLT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/clt/bwi/charlotte-to-baltimore) - [Flights from Pittsburgh (PIT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/pit/bwi/pittsburgh-to-baltimore) - [Flights from Montego Bay (MBJ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mbj/bwi/montego-bay-to-baltimore) - [Flights from Burlington (BTV) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/btv/bwi/burlington-to-baltimore) - [Flights from Rochester (ROC) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/roc/bwi/rochester-to-baltimore) - [Flights from Vancouver (YVR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yvr/bwi/vancouver-to-baltimore) - [Flights from Saint John (YSJ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ysj/bwi/saint-john-to-baltimore) - [Flights from Syracuse (SYR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/syr/bwi/syracuse-to-baltimore) - [Flights from Brandon (YBR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ybr/bwi/brandon-to-baltimore) - [Flights from Prince George (YXS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yxs/bwi/prince-george-to-baltimore) - [Flights from Cancun (CUN) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/cun/bwi/cancun-to-baltimore) - [Flights from Cleveland (CLE) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/cle/bwi/cleveland-to-baltimore) - [Flights from New York (JFK) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/jfk/bwi/new-york-to-baltimore) - [Flights from Fredericton (YFC) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yfc/bwi/fredericton-to-baltimore) - [Flights from Indianapolis (IND) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ind/bwi/indianapolis-to-baltimore) - [Flights from Las Vegas (LAS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/las/bwi/las-vegas-to-baltimore) - [Flights from Saskatoon (YXE) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yxe/bwi/saskatoon-to-baltimore) - [Flights from Newark Liberty Intl. Airport (EWR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ewr/bwi/newark-liberty-intl-airport-to-baltimore) - [Flights from Windsor (YQG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqg/bwi/windsor-to-baltimore) - [Flights from Lafayette (LAF) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/laf/bwi/lafayette-to-baltimore) - [Flights from Kingston (KIN) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/kin/bwi/kingston-to-baltimore) - [Flights from Lagos (LOS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/los/bwi/lagos-to-baltimore) - [Flights from Fort Myers (RSW) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/rsw/bwi/fort-myers-to-baltimore) - [Flights from Deer Lake (YDF) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ydf/bwi/deer-lake-to-baltimore) - [Flights from Philadelphia (PHL) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/phl/bwi/philadelphia-to-baltimore) - [Flights from Nanaimo (YCD) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ycd/bwi/nanaimo-to-baltimore) - [Flights from Kingston (YGK) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ygk/bwi/kingston-to-baltimore) - [Flights from Kelowna (YLW) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ylw/bwi/kelowna-to-baltimore) - [Flights from Ogdensburg (OGS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ogs/bwi/ogdensburg-to-baltimore) - [Flights from San Francisco (SFO) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/sfo/bwi/san-francisco-to-baltimore) - [Flights from Salt Lake City (SLC) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/slc/bwi/salt-lake-city-to-baltimore) - [Flights from Portland (PDX) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/pdx/bwi/portland-to-baltimore) - [Flights from Kamloops (YKA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yka/bwi/kamloops-to-baltimore) - [Flights from Fort McMurray (YMM) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ymm/bwi/fort-mcmurray-to-baltimore) - [Flights from Kitchener (YKF) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ykf/bwi/kitchener-to-baltimore) - [Flights from New York (LGA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/lga/bwi/new-york-to-baltimore) - [Flights from Manchester (MHT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mht/bwi/manchester-to-baltimore) - [Flights from Fort Lauderdale (FLL) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/fll/bwi/fort-lauderdale-to-baltimore) - [Flights from New Orleans (MSY) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/msy/bwi/new-orleans-to-baltimore) - [Flights from Phoenix (PHX) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/phx/bwi/phoenix-to-baltimore) - [Flights from Edmonton (YEG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yeg/bwi/edmonton-to-baltimore) - [Flights from Boston (BOS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/bos/bwi/boston-to-baltimore) - [Flights from Regina (YQR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqr/bwi/regina-to-baltimore) - [Flights from Sault Ste. Marie (YAM) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yam/bwi/sault-ste-marie-to-baltimore) - [Flights from San Diego (SAN) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/san/bwi/san-diego-to-baltimore) - [Flights from Detroit (DTW) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/dtw/bwi/detroit-to-baltimore) - [Flights from St. John's (YYT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yyt/bwi/st-johns-to-baltimore) - [Flights from Great Falls (GTF) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/gtf/bwi/great-falls-to-baltimore) - [Flights from Hamilton (YHM) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yhm/bwi/hamilton-to-baltimore) - [Flights from Minneapolis (MSP) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/msp/bwi/minneapolis-to-baltimore) - [Flights from Dallas (DFW) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/dfw/bwi/dallas-to-baltimore) - [Flights from Niagara Falls (IAG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/iag/bwi/niagara-falls-to-baltimore) - [Flights from Denver (DEN) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/den/bwi/denver-to-baltimore) - [Flights from Chicago (ORD) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ord/bwi/chicago-to-baltimore) - [Flights from London (YXU) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yxu/bwi/london-to-baltimore) - [Flights from Grande Prairie (YQU) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqu/bwi/grande-prairie-to-baltimore) - [Flights from Los Angeles (LAX) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/lax/bwi/los-angeles-to-baltimore) - [Flights from Miami (MIA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mia/bwi/miami-to-baltimore) - [Flights from Calgary (YYC) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yyc/bwi/calgary-to-baltimore) - [Flights from Cranbrook (YXC) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yxc/bwi/cranbrook-to-baltimore) - [Flights from Sault Ste. Marie (CIU) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ciu/bwi/sault-ste-marie-to-baltimore) - [Flights from Bridgetown (BGI) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/bgi/bwi/bridgetown-to-baltimore) - [Flights from Victoria (YYJ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yyj/bwi/victoria-to-baltimore) - [Flights from Toronto (YTO) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yto/bwi/toronto-to-baltimore) - [Flights from Kansas City (MCI) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mci/bwi/kansas-city-to-baltimore) - [Flights from Montreal (YUL) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yul/bwi/montreal-to-baltimore) - [Flights from Sarnia (YZR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yzr/bwi/sarnia-to-baltimore) - [Flights from Thunder Bay (YQT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqt/bwi/thunder-bay-to-baltimore) - [Flights from Orlando (MCO) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/mco/bwi/orlando-to-baltimore) - [Flights from Nassau (NAS) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/nas/bwi/nassau-to-baltimore) - [Flights from Ontario Intl. Airport (ONT) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ont/bwi/ontario-to-baltimore) - [Flights from London (LHR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/lhr/bwi/london-to-baltimore) - [Flights from Sudbury (YSB) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ysb/bwi/sudbury-to-baltimore) - [Flights from Portland (PWM) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/pwm/bwi/portland-to-baltimore) - [Flights from Spokane (GEG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/geg/bwi/spokane-to-baltimore) - [Flights from Toronto (YTZ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ytz/bwi/toronto-to-baltimore) - [Flights from Grand Forks (GFK) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/gfk/bwi/grand-forks-to-baltimore) - [Flights from Houston (HOU) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/hou/bwi/houston-to-baltimore) - [Flights from Tampa (TPA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/tpa/bwi/tampa-to-baltimore) - [Flights from Plattsburgh (PBG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/pbg/bwi/plattsburgh-to-baltimore) - [Flights from Buffalo (BUF) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/buf/bwi/buffalo-to-baltimore) - [Flights from Winnipeg (YWG) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/ywg/bwi/winnipeg-to-baltimore) - [Flights from Houston (IAH) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/iah/bwi/houston-to-baltimore) - [Flights from Washington (IAD) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/iad/bwi/washington-to-baltimore) - [Flights from Bangor (BGR) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/bgr/bwi/bangor-to-baltimore) - [Flights from Comox (YQQ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqq/bwi/comox-to-baltimore) - [Flights from Washington (DCA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/dca/bwi/washington-to-baltimore) - [Flights from Québec (YQB) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yqb/bwi/quebec-to-baltimore) - [Flights from Halifax (YHZ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yhz/bwi/halifax-to-baltimore) - [Flights from Toronto (YYZ) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/yyz/bwi/toronto-to-baltimore) - [Flights from Orange County (SNA) to Baltimore (BWI)](https://www.expedia.ca/lp/flights/sna/bwi/orange-county-to-baltimore) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/yow/bwi/ottawa-to-baltimore en-US: https://www.expedia.com/lp/flights/yow/bwi/ottawa-to-baltimore en-AU: https://www.expedia.com.au/lp/flights/yow/bwi/ottawa-to-baltimore en-TW: https://www.expedia.com.tw/en/lp/flights/yow/bwi/ottawa-to-baltimore en-GB: https://www.expedia.co.uk/lp/flights/yow/bwi/ottawa-to-baltimore ko-KR: https://www.expedia.co.kr/lp/flights/yow/bwi/ottawa-to-baltimore pt-BR: https://www.expedia.com.br/lp/voos/yow/bwi/ottawa-para-baltimore de-DE: https://www.expedia.de/lp/fluge/yow/bwi/ottawa-nach-baltimore es: https://www.expedia.com/es/lp/vuelos/yow/bwi/ottawa-a-baltimore id-ID: https://www.expedia.co.id/lp/flights/yow/bwi/ottawa-to-baltimore fr-CA: https://www.expedia.ca/fr/lp/vols/yow/bwi/ottawa-a-baltimore ar: https://www.expedia.sa/lp/flights/yow/bwi/ottawa-to-baltimore en-CA: https://www.expedia.ca/lp/flights/yow/bwi/ottawa-to-baltimore en-IN: https://www.expedia.co.in/lp/flights/yow/bwi/ottawa-to-baltimore fr-BE: https://www.expedia.be/fr/lp/vols/yow/bwi/ottawa-a-baltimore ```