--- title: "Houston to Ottawa flights from CA $345 - Expedia.ca" description: "Looking for budget flights from Houston (IAH) to Ottawa (YOW)? Enjoy one-way flights from CA $345 and roundtrip from CA $768—compare prices in seconds!" canonical: "https://www.expedia.ca/lp/flights/iah/yow/houston-to-ottawa" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-12T21:50:12Z --- # CA $345 Cheap Flights from Houston (IAH) to Ottawa (YOW) ![A church with two tall spires and a snow-covered park in the foreground.](https://images.trvl-media.com/place/507221/53ae7336-31b9-4831-b99a-387a65ea548c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $345 flight on Wed, Dec 16, 2026](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:16/12/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:344.55&airProductToken=AQqdAQotCMJsEgQyMzgwGIg4IOVaKIz5nwMwqvqfAzhQQABYAWoCQU5yCFBONFFVT1k1CjQI0IgBEgM1MDIY5VogmM4BKO%5F7nwMwsv2fAzhYQAFYAWoIU1RBTkRBUkRyCFg0TjBaRFpTCjYI0IgBEgQyMTU5GJjOASDYswEok%5F-fAzDa%5F58DOFhAAVgBaghTVEFOREFSRHIIWDROMFpEWlMSCggBEAEYASoCQjYYASIECAEQASgCKAMoBDAB) ## Popular airlines from George Bush Intercontinental Airport (IAH) to Ottawa International Airport (YOW) [WestJet](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:26/11/2026TANYT&leg2=from:YOW,to:IAH,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) [Air Canada](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:26/11/2026TANYT&leg2=from:YOW,to:IAH,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:26/11/2026TANYT&leg2=from:YOW,to:IAH,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:26/11/2026TANYT&leg2=from:YOW,to:IAH,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ### 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 Houston to Ottawa (IAH-YOW) Prices were available within the past 7 days and start at CA $345 for one-way flights and CA $768 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select JetBlue Airways flight, departing Thu, Jan 21 from Houston to Ottawa, returning Tue, Feb 9, priced at CA $768 Found 22 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:21/01/2027TANYT&leg2=from:YOW,to:IAH,departure:09/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:767.49&airProductToken=AQpDCh8IwmwSBDIzODAYiDgg5VoojI6jAzCsj6MDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKPyPowMwyZGjAzhYQAFYAQpDCiAI0IgBEgM1MTMY2LMBIOVaKLXjpAMwmOWkAzhYQABYAQofCMJsEgQyNzc5GOVaIIg4KPLppAMwquukAzhQQAFYARIKCAEQARgBKgJCNhgBIgQIARABKAQwAQ) Thu, Jan 21 - Tue, Feb 9 · IAH · YOW · Roundtrip [Select JetBlue Airways flight, departing Thu, Jan 28 from Houston to Ottawa, returning Sun, Jan 31, priced at CA $777 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:28/01/2027TANYT&leg2=from:YOW,to:IAH,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:776.48&airProductToken=AQplCi0IwmwSBDIzODAYiDgg5Voo7NyjAzCM3qMDOFBAAFgBagJBTnIIUEk0UVVFWTUKNAjQiAESAzUxNBjlWiDYswEo3N6jAzCp4KMDOFhAAVgBaghTVEFOREFSRHIIWDROMFpEWlMSCggBEAEYASoCQjYYASIECAEQASgCKAMoBDAB) Thu, Jan 28 - Sun, Jan 31 · IAH · YOW · Roundtrip [Select JetBlue Airways flight, departing Wed, Jan 20 from Houston to Ottawa, returning Mon, Jan 25, priced at CA $781 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:20/01/2027TANYT&leg2=from:YOW,to:IAH,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:780.09&airProductToken=AQqdAQotCMJsEgQyMzgwGIg4IOVaKOyCowMwjISjAzhQQABYAWoCQU5yCFBONFFVT1k1CjQI0IgBEgM1MDIY5VogmM4BKM-FowMwkYejAzhYQAFYAWoIU1RBTkRBUkRyCFg0TjBaRFpTCjYI0IgBEgQyMTU5GJjOASDYswEo84ijAzDCiaMDOFhAAVgBaghTVEFOREFSRHIIWDROMFpEWlMKZQo0CNCIARIDNTEzGNizASDlWijVuqMDMLi8owM4WEABWAFqCFNUQU5EQVJEcghYNE4wWkRaUwotCMJsEgQyMzc5GOVaIIg4KOu9owMwo7-jAzhQQAFYAWoCQU5yCFBJNFFVRVk1EgwIARACGAEqAkI2MgAYASIECAEQASgCKAMoBCgGMAE) Wed, Jan 20 - Mon, Jan 25 · IAH · YOW · Roundtrip [Select JetBlue Airways flight, departing Tue, Jan 12 from Houston to Ottawa, returning Tue, Feb 2, priced at CA $787 Found 22 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:12/01/2027TANYT&leg2=from:YOW,to:IAH,departure:02/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:786.49&airProductToken=AQpDCh8IwmwSBDIzODAYiDgg5Voo7KiiAzCMqqIDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKNyqogMwqayiAzhBQAFYAQpDCiAI0IgBEgM1MTMY2LMBIOVaKNWUpAMwuJakAzhYQABYAQofCMJsEgQyNzc5GOVaIIg4KJKbpAMwypykAzhQQAFYARIKCAEQARgBKgJCNhgBIgQIARABKAQwAQ) Tue, Jan 12 - Tue, Feb 2 · IAH · YOW · Roundtrip [Select JetBlue Airways flight, departing Thu, Jan 21 from Houston to Ottawa, returning Sun, Feb 7, priced at CA $788 Found 22 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:21/01/2027TANYT&leg2=from:YOW,to:IAH,departure:07/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:787.49&airProductToken=AQpDCh8IwmwSBDIzODAYiDgg5VoojI6jAzCsj6MDOFBAAFgBCiAI0IgBEgM1MTQY5Vog2LMBKPyPowMwyZGjAzhYQAFYAQpDCiAI0IgBEgM1MTUY2LMBIOVaKOnQpAMwzNKkAzhYQABYAQofCMJsEgQyNzc5GOVaIIg4KLLTpAMw6tSkAzhQQAFYARIKCAEQARgBKgJCNhgBIgQIARABKAQwAQ) Thu, Jan 21 - Sun, Feb 7 · IAH · YOW · Roundtrip [Select JetBlue Airways flight, departing Thu, Jan 28 from Houston to Ottawa, returning Sun, Jan 31, priced at CA $789 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:28/01/2027TANYT&leg2=from:YOW,to:IAH,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:788.75&airProductToken=AQplCi0IwmwSBDIzODAYiDgg5Voo7NyjAzCM3qMDOFBAAFgBagJBTnIIUEk0UVVFWTUKNAjQiAESAzUxNBjlWiDYswEo3N6jAzCp4KMDOFhAAVgBaghTVEFOREFSRHIIWDROMFpEWlMKZQo0CNCIARIDNTEzGNizASDlWiiV%5FqMDMPj%5FowM4WEAAWAFqCFNUQU5EQVJEcghYNE4wWkRaUwotCMJsEgQyMzc5GOVaIIg4KKuBpAMw44KkAzhQQAFYAWoCQU5yCFBJNFFVRVk1EgoIARABGAEqAkI2GAEiBAgBEAEoAigDKAQwAQ) Thu, Jan 28 - Sun, Jan 31 · IAH · YOW · Roundtrip [Select United flight, departing Thu, Jan 28 from Houston to Ottawa, returning Sun, Jan 31, priced at CA $800 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:28/01/2027TANYT&leg2=from:YOW,to:IAH,departure:31/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:799.81&airProductToken=AQqjAQozCNWCARIEMjI2MRiIOCDlWiiF3aMDMKDeowM4R0AAWAFqB0VDT05PTVlyCEdBQTdBSERTCjUIwYYBEgQxNjI3GOVaIJjOASjl4KMDMKPiowM4R0ABWAFqCFNUQU5EQVJEcghHTkE0QTRURwo1CMGGARIDNDcwGJjOASDYswEojuSjAzDU5KMDOEdAAVgBaghTVEFOREFSRHIIR05BNEE0VEcSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) Thu, Jan 28 - Sun, Jan 31 · IAH · YOW · Roundtrip [Select WestJet flight, departing Mon, Jan 11 from Houston to Ottawa, returning Mon, Jan 18, priced at CA $828 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:11/01/2027TANYT&leg2=from:YOW,to:IAH,departure:18/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:827.50&airProductToken=AQqzAQo9CNemARIENzI1ORiIOCDLASjRnaIDMKSfogM4TEAAWAFqBUVDT05PcghMT1ZEMFpFS3oKCMSYARIENzI1OQo-CNemARIENjMxNhjLASCYzgEozKKiAzC9o6IDOExAAVgBagVFQ09OT3IITE9WRDBaRUt6CgjEmAESBDYzMTYKMgjXpgESAzU4OBiYzgEg2LMBKLKkogMw-KSiAzhMQAFYAWoFRUNPTk9yCExPVkQwWkVLEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) Mon, Jan 11 - Mon, Jan 18 · IAH · YOW · Roundtrip [Select Air Canada flight, departing Thu, Dec 31 from Houston to Ottawa, returning Fri, Jan 15, priced at CA $1,090 Found 22 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:31/12/2026TANYT&leg2=from:YOW,to:IAH,departure:15/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1089.79&airProductToken=AQpECh8IwYYBEgM1ODAYiDggmF0ojqShAzD0paEDOExAAFgBCiEIwYYBEgQ3Nzc1GJhdINizASj7pqEDMLSnoQM4TEABWAEKRAohCMGGARIENzc3NBjYswEgmF0o682iAzCqzqIDOExAAFgBCh8IwYYBEgM1ODMYmF0giDgon8-iAzC20aIDOExAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) Thu, Dec 31 - Fri, Jan 15 · IAH · YOW · Roundtrip [Select American Airlines flight, departing Wed, Nov 25 from Houston to Ottawa, returning Wed, Dec 9, priced at CA $1,133 Found 1 hour ago](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:25/11/2026TANYT&leg2=from:YOW,to:IAH,departure:09/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1132.19&airProductToken=AQqmAQoxCMGCARIEMjU1MRiIOCCjsQEosIyeAzCIjZ4DOEdAAFgBagRNQUlOcghHN0FIWlNOMQoxCMGCARIDODI2GKOxASCYzgEo6Y2eAzCdj54DOEdAAVgBagRNQUlOcghHN0FIWlNOMQo-CMGCARIEOTExMxiYzgEg2LMBKPmQngMwvJGeAzhHQAFYAWoETUFJTnIIRzdBSFpTTjF6CgjQiAESBDkxMTMSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) Wed, Nov 25 - Wed, Dec 9 · IAH · YOW · Roundtrip ## Alternative airports near Ottawa Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city centre is 15 minutes. Flights from CA $857](https://www.expedia.ca/Flights-Search?leg1=from:IAH,to:YOW,departure:26/11/2026TANYT&leg2=from:YOW,to:IAH,departure:02/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 15 min ## Book with confidence ### Houston to Ottawa Flights #### The easy way to book your flights from Houston to Ottawa With Expedia, it’s simple to find and book flights to Ottawa from Houston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to Macdonald-Cartier Intl., 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 Houston to Ottawa today, tomorrow, or this week. #### Save dollars with cheap flights from George Bush Intercontinental, IAH to Macdonald-Cartier Intl., YOW Sort your search results by price to find great deals on your flight from Houston to Ottawa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ottawa from Houston currently is just CA $768 rising to CA $1,133\. 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 Ottawa - 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 Ottawa from Houston 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 Ottawa with Expedia today. ## Frequently Asked Questions ### How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) cost? You can find cheap one-way flights from CA $345 and cheap return flights CA $768 IAH to YOW with Expedia. One-way flights typically cost between CA$460 and CA$1637, and return flights often range between CA$994 and CA$3292\. 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 IAH to YOW ticket fares go up or down. ### What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? January is typically the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with average return fares around CA$537\. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. August and October are also good months to find deals on this route. ### Which airlines fly direct from Houston, TX (IAH) to Ottawa, ON (YOW)? Enter IAH to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), 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 Houston, TX (IAH) to Ottawa, ON (YOW)? 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 Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? There are approximately 66 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), and LaGuardia (LGA). ### What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) typically departs around 5:00 AM local time. This service is operated by American Airlines and Porter Airlines. This is a seasonal service, active only in April. 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 Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? You'll typically find the most flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) on a Thursday, with around 55 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Delta, and Air Canada. Looking at the week, Thursday offers notably more flight options compared to other days, making it a good day to consider for your travel. ### What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? The most popular departure times for flights from George Bush Intercontinental (IAH) to Macdonald-Cartier Intl. (YOW) are in the morning, from 6am to 9am. Many major carriers, including United, Air Canada and American Airlines, offer flights during this window. Many travellers prefer this time because it allows for an early start to their journey, often arriving at their destination with plenty of time left in the day. ### How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? Flights from IAH to YOW with one stop typically take around 6 hours, covering approximately 2,419 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? Yes, you can fly business class or first class between IAH and YOW. You can fly business class with Air Canada and United. First class cabins are available on United. ### How do I earn miles on a Houston, TX (IAH) to Ottawa, ON (YOW) flight with Expedia? It's easy to earn miles on a Houston, TX (IAH) to Ottawa, ON (YOW) 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 Ottawa, ON (YOW) from Houston, TX (IAH)? If you're planning to travel to Ottawa from George Bush Intercontinental (IAH), you can fly directly into Macdonald-Cartier Intl. (YOW). Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Orlando Intl. (MCO), or Denver Intl. (DEN) before reaching Ottawa. 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 Houston, TX (IAH) to Ottawa, ON (YOW) at the last minute? Typically, booking a last minute flight from Houston, TX (IAH) to Ottawa, ON (YOW) 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 Houston, TX (IAH) to Ottawa, ON (YOW) flight and hotel package? Securing a Houston, TX (IAH) to Ottawa, ON (YOW) [flight and hotel package](https://www.expedia.ca/ottawa.d178296.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 Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)? If you booked your Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) 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 | George Bush Intercontinental Airport | | ------------------- | ---------------------------------------------- | | Destination airport | Ottawa International Airport | | Distance | 2,417 km away | | Airlines serving | WestJet, Air Canada, United, American Airlines | | Popular airline | WestJet | | Roundtrip price | CA $768 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Peterborough (YPQ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ypq/yow/peterborough-to-ottawa) - [Flights from Nanaimo (YCD) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ycd/yow/nanaimo-to-ottawa) - [Flights from Barcelona (BCN) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bcn/yow/barcelona-to-ottawa) - [Flights from Tampa (TPA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/tpa/yow/tampa-to-ottawa) - [Flights from Winnipeg (YWG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ywg/yow/winnipeg-to-ottawa) - [Flights from Timmins (YTS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yts/yow/timmins-to-ottawa) - [Flights from Minneapolis (MSP) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/msp/yow/minneapolis-to-ottawa) - [Flights from Nashville (BNA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bna/yow/nashville-to-ottawa) - [Flights from Cancun (CUN) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/cun/yow/cancun-to-ottawa) - [Flights from Montego Bay (MBJ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/mbj/yow/montego-bay-to-ottawa) - [Flights from Beijing (PEK) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/pek/yow/beijing-to-ottawa) - [Flights from Split (SPU) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/spu/yow/split-to-ottawa) - [Flights from Punta Cana (PUJ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/puj/yow/punta-cana-to-ottawa) - [Flights from San Francisco (SFO) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/sfo/yow/san-francisco-to-ottawa) - [Flights from Grande Prairie (YQU) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqu/yow/grande-prairie-to-ottawa) - [Flights from Toronto (YTO) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yto/yow/toronto-to-ottawa) - [Flights from Sydney (YQY) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqy/yow/sydney-to-ottawa) - [Flights from Chicago (ORD) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ord/yow/chicago-to-ottawa) - [Flights from Kingston (YGK) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ygk/yow/kingston-to-ottawa) - [Flights from Athens (ATH) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ath/yow/athens-to-ottawa) - [Flights from London (LHR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/lhr/yow/london-to-ottawa) - [Flights from Pembroke (YTA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yta/yow/pembroke-to-ottawa) - [Flights from Los Angeles (LAX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/lax/yow/los-angeles-to-ottawa) - [Flights from Istanbul (IST) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ist/yow/istanbul-to-ottawa) - [Flights from Moncton (YQM) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqm/yow/moncton-to-ottawa) - [Flights from Seattle (SEA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/sea/yow/seattle-to-ottawa) - [Flights from Hamilton (YHM) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yhm/yow/hamilton-to-ottawa) - [Flights from Prince George (YXS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yxs/yow/prince-george-to-ottawa) - [Flights from Dalian (DLC) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/dlc/yow/dalian-to-ottawa) - [Flights from Sarnia (YZR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yzr/yow/sarnia-to-ottawa) - [Flights from Saskatoon (YXE) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yxe/yow/saskatoon-to-ottawa) - [Flights from Brussels (BRU) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bru/yow/brussels-to-ottawa) - [Flights from Yellowknife (YZF) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yzf/yow/yellowknife-to-ottawa) - [Flights from Fort Lauderdale (FLL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/fll/yow/fort-lauderdale-to-ottawa) - [Flights from Comox (YQQ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqq/yow/comox-to-ottawa) - [Flights from Calgary (YYC) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyc/yow/calgary-to-ottawa) - [Flights from Abbotsford (YXX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yxx/yow/abbotsford-to-ottawa) - [Flights from Philadelphia (PHL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/phl/yow/philadelphia-to-ottawa) - [Flights from Saint John (YSJ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ysj/yow/saint-john-to-ottawa) - [Flights from Atlanta (ATL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/atl/yow/atlanta-to-ottawa) - [Flights from Manila (MNL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/mnl/yow/manila-to-ottawa) - [Flights from Detroit (DTW) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/dtw/yow/detroit-to-ottawa) - [Flights from Las Vegas (LAS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/las/yow/las-vegas-to-ottawa) - [Flights from Kamloops (YKA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yka/yow/kamloops-to-ottawa) - [Flights from Phoenix (PHX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/phx/yow/phoenix-to-ottawa) - [Flights from Gander (YQX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqx/yow/gander-to-ottawa) - [Flights from Thunder Bay (YQT) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqt/yow/thunder-bay-to-ottawa) - [Flights from Miami (MIA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/mia/yow/miami-to-ottawa) - [Flights from Kelowna (YLW) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ylw/yow/kelowna-to-ottawa) - [Flights from Boston (BOS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bos/yow/boston-to-ottawa) - [Flights from St. John's (YYT) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyt/yow/st-johns-to-ottawa) - [Flights from New York (LGA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/lga/yow/new-york-to-ottawa) - [Flights from Montreal (YUL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yul/yow/montreal-to-ottawa) - [Flights from Deer Lake (YDF) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ydf/yow/deer-lake-to-ottawa) - [Flights from Niagara Falls (IAG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/iag/yow/niagara-falls-to-ottawa) - [Flights from Newark Liberty Intl. Airport (EWR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ewr/yow/newark-liberty-intl-airport-to-ottawa) - [Flights from Tokyo (NRT) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/nrt/yow/tokyo-to-ottawa) - [Flights from Prague (PRG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/prg/yow/prague-to-ottawa) - [Flights from Rome (FCO) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/fco/yow/rome-to-ottawa) - [Flights from Regina (YQR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqr/yow/regina-to-ottawa) - [Flights from Mumbai (BOM) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bom/yow/mumbai-to-ottawa) - [Flights from Sudbury (YSB) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ysb/yow/sudbury-to-ottawa) - [Flights from Iqaluit (YFB) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yfb/yow/iqaluit-to-ottawa) - [Flights from Lagos (LOS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/los/yow/lagos-to-ottawa) - [Flights from Madrid (MAD) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/mad/yow/madrid-to-ottawa) - [Flights from Québec (YQB) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqb/yow/quebec-to-ottawa) - [Flights from Vancouver (YVR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yvr/yow/vancouver-to-ottawa) - [Flights from North Bay (YYB) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyb/yow/north-bay-to-ottawa) - [Flights from Kitchener (YKF) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ykf/yow/kitchener-to-ottawa) - [Flights from Cairo (CAI) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/cai/yow/cairo-to-ottawa) - [Flights from Syracuse (SYR) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/syr/yow/syracuse-to-ottawa) - [Flights from Sault Ste. Marie (YAM) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yam/yow/sault-ste-marie-to-ottawa) - [Flights from Fort Myers (RSW) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/rsw/yow/fort-myers-to-ottawa) - [Flights from Bangkok (BKK) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bkk/yow/bangkok-to-ottawa) - [Flights from Waterloo (ALO) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/alo/yow/waterloo-to-ottawa) - [Flights from Edmonton (YEG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yeg/yow/edmonton-to-ottawa) - [Flights from Charlotte (CLT) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/clt/yow/charlotte-to-ottawa) - [Flights from Halifax (YHZ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yhz/yow/halifax-to-ottawa) - [Flights from Mexico City (MEX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/mex/yow/mexico-city-to-ottawa) - [Flights from Beirut (BEY) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/bey/yow/beirut-to-ottawa) - [Flights from Kingston (KIN) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/kin/yow/kingston-to-ottawa) - [Flights from Ankara (ESB) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/esb/yow/ankara-to-ottawa) - [Flights from London (YXU) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yxu/yow/london-to-ottawa) - [Flights from Buffalo (BUF) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/buf/yow/buffalo-to-ottawa) - [Flights from Amsterdam (AMS) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ams/yow/amsterdam-to-ottawa) - [Flights from Toronto (YTZ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/ytz/yow/toronto-to-ottawa) - [Flights from Delhi (DEL) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/del/yow/delhi-to-ottawa) - [Flights from Toronto (YYZ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyz/yow/toronto-to-ottawa) - [Flights from Fredericton (YFC) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yfc/yow/fredericton-to-ottawa) - [Flights from Paris (CDG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/cdg/yow/paris-to-ottawa) - [Flights from Oshawa (YOO) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yoo/yow/oshawa-to-ottawa) - [Flights from Amman (AMM) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/amm/yow/amman-to-ottawa) - [Flights from Windsor (YQG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yqg/yow/windsor-to-ottawa) - [Flights from Dallas (DFW) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/dfw/yow/dallas-to-ottawa) - [Flights from Charlottetown Alexander B. Campbell Airport (YYG) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyg/yow/charlottetown-to-ottawa) - [Flights from Whitehorse (YXY) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yxy/yow/whitehorse-to-ottawa) - [Flights from Riga (RIX) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/rix/yow/riga-to-ottawa) - [Flights from Washington (DCA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/dca/yow/washington-to-ottawa) - [Flights from Frankfurt (FRA) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/fra/yow/frankfurt-to-ottawa) - [Flights from Victoria (YYJ) to Ottawa (YOW)](https://www.expedia.ca/lp/flights/yyj/yow/victoria-to-ottawa) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/iah/yow/houston-to-ottawa en-GB: https://www.expedia.co.uk/lp/flights/iah/yow/houston-to-ottawa en-US: https://www.expedia.com/lp/flights/iah/yow/houston-to-ottawa es-MX: https://www.expedia.mx/lp/vuelos/iah/yow/houston-a-ottawa zh-CN: https://www.expedia.com/cn/lp/flights/iah/yow/houston-to-ottawa pt-BR: https://www.expedia.com.br/lp/voos/iah/yow/houston-para-ottawa fi-FI: https://www.expedia.fi/lp/lennot/iah/yow/houston-ottawa vi-VN: https://www.expedia.com.vn/lp/flights/iah/yow/houston-to-ottawa fr-FR: https://www.expedia.fr/lp/vols/iah/yow/houston-a-ottawa de-AT: https://www.expedia.at/lp/fluge/iah/yow/houston-nach-ottawa zh-TW: https://www.expedia.com.tw/lp/flights/iah/yow/houston-to-ottawa sv-SE: https://www.expedia.se/lp/flyg/iah/yow/houston-till-ottawa fr-CA: https://www.expedia.ca/fr/lp/vols/iah/yow/houston-a-ottawa ar: https://www.expedia.sa/lp/flights/iah/yow/houston-to-ottawa es: https://www.expedia.com/es/lp/vuelos/iah/yow/houston-a-ottawa en-NZ: https://www.expedia.co.nz/lp/flights/iah/yow/houston-to-ottawa en-CA: https://www.expedia.ca/lp/flights/iah/yow/houston-to-ottawa ```