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CA $392 Cheap Flights from Ottawa (YOW) to Baltimore (BWI)

View CA $392 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Baltimore Washington International Airport (BWI)

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Cheap flights from Ottawa (YOW) to Baltimore (BWI)

Prices were available within the past 7 days and start at CA $392 for one-way flights and CA $700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Tue, Aug 11 - Tue, Aug 25
YOW
Ottawa
BWI
Baltimore
CA $700 Roundtrip, found 6 days ago
CA $700
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Tue, Aug 11 from Ottawa to Baltimore, returning Tue, Aug 25, priced at CA $700 found 6 days ago
Porter Airlines
Tue, Aug 18 - Tue, Aug 25
YOW
Ottawa
BWI
Baltimore
CA $705 Roundtrip, found 5 days ago
CA $705
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Tue, Aug 18 from Ottawa to Baltimore, returning Tue, Aug 25, priced at CA $705 found 5 days ago
Porter Airlines
Wed, Jul 29 - Tue, Aug 4
YOW
Ottawa
BWI
Baltimore
CA $715 Roundtrip, found 6 days ago
CA $715
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Jul 29 from Ottawa to Baltimore, returning Tue, Aug 4, priced at CA $715 found 6 days ago
Porter Airlines
Wed, Aug 19 - Sat, Aug 29
YOW
Ottawa
BWI
Baltimore
CA $719 Roundtrip, found 6 days ago
CA $719
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Aug 19 from Ottawa to Baltimore, returning Sat, Aug 29, priced at CA $719 found 6 days ago
Porter Airlines
Mon, Aug 31 - Wed, Sep 16
YOW
Ottawa
BWI
Baltimore
CA $736 Roundtrip, found 4 days ago
CA $736
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Mon, Aug 31 from Ottawa to Baltimore, returning Wed, Sep 16, priced at CA $736 found 4 days ago
Porter Airlines
Wed, Aug 12 - Tue, Aug 25
YOW
Ottawa
BWI
Baltimore
CA $740 Roundtrip, found 6 days ago
CA $740
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Aug 12 from Ottawa to Baltimore, returning Tue, Aug 25, priced at CA $740 found 6 days ago
Porter Airlines
Wed, Jul 29 - Wed, Aug 5
YOW
Ottawa
BWI
Baltimore
CA $745 Roundtrip, found 6 days ago
CA $745
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, Jul 29 from Ottawa to Baltimore, returning Wed, Aug 5, priced at CA $745 found 6 days ago
American Airlines
Sat, Aug 29 - Sat, Sep 5
YOW
Ottawa
BWI
Baltimore
CA $786 Roundtrip, found 7 hours ago
CA $786
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Aug 29 from Ottawa to Baltimore, returning Sat, Sep 5, priced at CA $786 found 7 hours ago
United
Wed, Oct 7 - Tue, Oct 13
YOW
Ottawa
BWI
Baltimore
CA $952 Roundtrip, found 4 days ago
CA $952
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 7 from Ottawa to Baltimore, returning Tue, Oct 13, priced at CA $952 found 4 days ago
WestJet
Thu, Sep 3 - Mon, Sep 7
YOW
Ottawa
BWI
Baltimore
CA $1,143 Roundtrip, found 1 day ago
CA $1,143
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Sep 3 from Ottawa to Baltimore, returning Mon, Sep 7, priced at CA $1,143 found 1 day ago

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 $576
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city centre57 min
Flights from CA $576

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 $392 and cheap return flights from CA $700 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 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™, 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 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 or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, United, WestJet
Roundtrip price
CA $700
Distance
684 km

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 20 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 $700 rising to CA $1,143.  

Here are more money-saving tips: 

  • Fly in August 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.

Ottawa to Baltimore Flights

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*Available to Expedia members.