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$102+ Cheap flights from Baltimore (BWI) to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Baltimore to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$273
(Kiwi.com)

One-way from

$102
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$178
Provider with most accurate pricing for Baltimore/Washington-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Ottawa flights.
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From Baltimore/Washington to Ottawa
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One-way flight from Baltimore/Washington to Ottawa
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Baltimore to Ottawa

Cheapest flights from Baltimore to Ottawa
Explore the most affordable flight options available from Baltimore to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/221:00 pmBWI - YOW
1 stop11h 25mMultiple Airlines
Wed 1/289:30 amYOW - BWI
1 stop26h 57mMultiple Airlines
Deal found 1/7$273
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 amBWI - YOW
1 stop9h 13mMultiple Airlines
Fri 1/307:15 pmYOW - BWI
2 stops29h 21mMultiple Airlines
Deal found 1/7$277
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:44 pmBWI - YOW
1 stop7h 14mMultiple Airlines
Wed 2/44:15 pmYOW - BWI
2 stops18h 12mMultiple Airlines
Deal found 1/6$283
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:20 amBWI - YOW
1 stop11h 05mMultiple Airlines
Sun 1/257:00 amYOW - BWI
1 stop25h 31mMultiple Airlines
Deal found 1/6$296
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:24 amBWI - YOW
2 stops13h 01mMultiple Airlines
Sun 2/14:15 pmYOW - BWI
1 stop16h 16mMultiple Airlines
Deal found 1/7$301
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/304:01 pmBWI - YOW
1 stop7h 57mMultiple Airlines
Mon 2/24:20 pmYOW - BWI
2 stops18h 07mMultiple Airlines
Deal found 1/7$310
This Kiwi.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:44 pmBWI - YOW
1 stop7h 14mMultiple Airlines
Sat 2/73:55 pmYOW - BWI
2 stops18h 34mMultiple Airlines
Deal found 1/6$313
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:54 pmBWI - YOW
1 stop28h 04mMultiple Airlines
Sat 2/213:55 pmYOW - BWI
2 stops16h 16mMultiple Airlines
Deal found 1/7$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Baltimore to Ottawa that are best for you.

Fly from

Baltimore

Fly to

Ottawa

Route

Depart

Return

Price

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 2/6

4:44 pm-11:58 pm

1 stop7h 14m

Ottawa

Mon 2/9

4:20 pm-6:59 pm

1 stop26h 39m

$287

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 1/27

8:00 am-5:13 pm

1 stop9h 13m

Ottawa

Fri 1/30

4:15 pm-8:31 am

1 stop16h 16m

$288

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/22

7:58 pm-5:15 pm

2 stops45h 17m

Ottawa

Wed 1/28

9:30 am-5:10 pm

1 stop7h 40m

$289

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 1/25

4:44 pm-11:58 pm

1 stop7h 14m

Ottawa

Mon 1/26

9:40 am-7:03 pm

2 stops33h 23m

$299

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/29

11:24 am-12:25 am

2 stops13h 01m

Ottawa

Sun 2/1

4:15 pm-8:31 am

1 stop16h 16m

$301

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 4/21

5:20 am-5:25 pm

1 stop12h 05m

Ottawa

Sat 4/25

4:20 pm-11:44 pm

1 stop7h 24m

$333

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

6:20 am-12:25 am

1 stop18h 05m

Ottawa

Sat 2/7

8:40 am-10:53 pm

3 stops14h 13m

$346

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 1/21

6:20 am-12:42 am

2 stops18h 22m

Ottawa

Sun 1/25

7:00 am-10:27 am

2 stops27h 27m

$379

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Wed 2/11

4:15 pm-9:06 am

1 stop16h 51m

$380

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/17

6:20 am-12:25 am

1 stop18h 05m

Ottawa

Sat 2/21

9:40 am-11:55 pm

1 stop14h 15m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 18 results
1
2

Compare providers for flights from Baltimore to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Ottawa in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Ottawa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Ottawa

What is the cheapest month to book a flight from Baltimore to Ottawa?

Currently, March is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $112). Flying from Baltimore to Ottawa in December is currently the most expensive (average of $221). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Baltimore to Ottawa that include hotel bookings?

    Yes. In addition to deals on Baltimore to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Ottawa.

  • Can I find deals for business class flights from Baltimore to Ottawa?

    Yes. Cheapflights offers flight deals from Baltimore to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Ottawa?

    Currently, March is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $112). Flying from Baltimore to Ottawa in December is currently the most expensive (average of $221). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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