CA $355 Cheap Flights from Baltimore (BWI) to Ottawa (YOW)

View CA $355 flight on Wed, Jun 17, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $355 for one-way flights and CA $890 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 27 - Tue, Jun 9
BWI
Baltimore
YOW
Ottawa
CA $890 Roundtrip, found 5 days ago
CA $890
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, May 27 from Baltimore to Ottawa, returning Tue, Jun 9, priced at CA $890 found 5 days ago
Delta
Tue, May 19 - Tue, Jun 2
BWI
Baltimore
YOW
Ottawa
CA $914 Roundtrip, found 6 days ago
CA $914
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 19 from Baltimore to Ottawa, returning Tue, Jun 2, priced at CA $914 found 6 days ago
Delta
Sat, May 30 - Tue, Jun 9
BWI
Baltimore
YOW
Ottawa
CA $917 Roundtrip, found 5 days ago
CA $917
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, May 30 from Baltimore to Ottawa, returning Tue, Jun 9, priced at CA $917 found 5 days ago
Delta
Thu, May 28 - Tue, Jun 9
BWI
Baltimore
YOW
Ottawa
CA $920 Roundtrip, found 6 days ago
CA $920
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, May 28 from Baltimore to Ottawa, returning Tue, Jun 9, priced at CA $920 found 6 days ago
American Airlines
Wed, May 27 - Sun, Jun 7
BWI
Baltimore
YOW
Ottawa
CA $931 Roundtrip, found 5 days ago
CA $931
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, May 27 from Baltimore to Ottawa, returning Sun, Jun 7, priced at CA $931 found 5 days ago
Delta
Fri, May 29 - Tue, Jun 9
BWI
Baltimore
YOW
Ottawa
CA $936 Roundtrip, found 5 days ago
CA $936
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, May 29 from Baltimore to Ottawa, returning Tue, Jun 9, priced at CA $936 found 5 days ago
Delta
Mon, May 18 - Tue, Jun 2
BWI
Baltimore
YOW
Ottawa
CA $937 Roundtrip, found 6 days ago
CA $937
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, May 18 from Baltimore to Ottawa, returning Tue, Jun 2, priced at CA $937 found 6 days ago
Delta
Tue, Jun 2 - Tue, Jun 16
BWI
Baltimore
YOW
Ottawa
CA $941 Roundtrip, found 6 days ago
CA $941
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jun 2 from Baltimore to Ottawa, returning Tue, Jun 16, priced at CA $941 found 6 days ago
United
Wed, May 27 - Sun, Jun 7
BWI
Baltimore
YOW
Ottawa
CA $1,056 Roundtrip, found 5 days ago
CA $1,056
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 27 from Baltimore to Ottawa, returning Sun, Jun 7, priced at CA $1,056 found 5 days ago
WestJet
Sun, May 31 - Tue, Jun 2
BWI
Baltimore
YOW
Ottawa
CA $1,375 Roundtrip, found 2 hours ago
CA $1,375
Roundtrip
found 2 hours ago
Select WestJet flight, departing Sun, May 31 from Baltimore to Ottawa, returning Tue, Jun 2, priced at CA $1,375 found 2 hours ago

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 $914
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from CA $914

Frequently asked questions

How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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 and receive alerts when fares go up or down.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 16 connecting flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to Macdonald-Cartier Intl. (YOW). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Logan Intl. (BOS).
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Ottawa Macdonald-Cartier Intl. (YOW) typically departs at approximately 5:05 AM local time. This service is operated by American Airlines and Porter Airlines. This is a seasonal service active in May. An early departure like this can help maximize 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You'll typically find the most flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Macdonald-Cartier Intl. (YOW) on a Thursday, with around 17 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Delta Air Lines, American Airlines, and United Airlines. Compared to other days, Thursdays offer notably more flight options.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Macdonald-Cartier Intl. (YOW) are between 9am and 12pm. About 42% of passengers prefer this time window. Many major carriers, including Porter Airlines, Delta and Air Canada, offer flights during this window. This timing works well because it allows for a productive morning before your flight, and you'll arrive at your destination with plenty of time to settle in.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Flights from BWI to YOW with one stop typically take around 11 hours, covering approximately 428 miles. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Select the "Business class" and "First class" filters when looking for BWI to YOW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) 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 Ottawa from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly directly into Macdonald-Cartier Intl. (YOW) to reach Ottawa. Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), Minneapolis - St. Paul Intl. (MSP) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) 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 or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Macdonald-Cartier Intl.
Airlines serving
American Airlines, United, WestJet
Roundtrip price
CA $889
Distance
684 km

Book with confidence

Baltimore to Ottawa Flights

The easy way to book your flights from Baltimore to Ottawa 

With Expedia, it’s simple to find and book flights to Ottawa from Baltimore 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 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 Baltimore to Ottawa today, tomorrow, or this week.  

 

Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to Macdonald-Cartier Intl., YOW 

Sort your search results by price to find great deals on your flight from Baltimore to Ottawa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ottawa from Baltimore currently is just CA $890 rising to CA $1,375.  

Here are more money-saving tips: 

  • Fly in May 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 Baltimore 

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.

Baltimore to Ottawa Flights

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