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$107+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/307:10 amBWI - YOW
1 stop17h 15mMultiple Airlines
Thu 1/89:40 amYOW - BWI
1 stop21h 41mMultiple Airlines
Deal found 12/22$449
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/307:10 amBWI - YOW
1 stop17h 15mMultiple Airlines
Sun 1/44:20 pmYOW - BWI
2 stops42h 18mMultiple Airlines
Deal found 12/22$499
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Sun 12/289:09 pmBWI - YOW
2 stops20h 16mMultiple Airlines
Wed 12/314:20 pmYOW - BWI
1 stop15h 02mMultiple Airlines
Deal found 12/21$547
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/231:44 pmBWI - YOW
2 stops10h 57mMultiple Airlines
Wed 1/77:00 amYOW - BWI
1 stop13h 04mMultiple Airlines
Deal found 12/21$579
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/236:30 amBWI - YOW
1 stop17h 55mMultiple Airlines
Sun 1/44:20 pmYOW - BWI
2 stops42h 18mMultiple Airlines
Deal found 12/22$630
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/237:10 amBWI - YOW
1 stop17h 15mMultiple Airlines
Tue 12/304:20 pmYOW - BWI
2 stops32h 09mMultiple Airlines
Deal found 12/22$639

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$264
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$484
Provider with most accurate pricing for Baltimore/Washington-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Ottawa flights.
Search Deals
From Baltimore/Washington to Ottawa
Search Deals
One-way flight from Baltimore/Washington to Ottawa
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 2025.
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

Wed 2/4

6:20 am-5:25 pm

1 stop11h 05m

Ottawa

Mon 2/9

4:15 pm-10:31 am

1 stop18h 16m

$264

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

6:20 am-5:25 pm

1 stop11h 05m

Ottawa

Wed 2/11

7:00 am-9:06 am

1 stop26h 06m

$271

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 1/20

8:00 am-5:13 pm

1 stop9h 13m

Ottawa

Tue 1/27

9:30 am-5:10 pm

1 stop7h 40m

$271

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 1/19

8:08 am-5:15 pm

1 stop9h 07m

Ottawa

Mon 1/26

9:40 am-6:01 pm

1 stop8h 21m

$273

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 1/9

9:26 am-12:25 am

1 stop14h 59m

Ottawa

Tue 1/13

7:00 am-7:03 pm

1 stop12h 03m

$307

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/15

8:08 am-5:15 pm

1 stop9h 07m

Ottawa

Sun 1/18

9:30 am-9:03 pm

1 stop11h 33m

$346

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

6:20 am-5:25 pm

1 stop11h 05m

$107

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 2/5

1:00 pm-12:25 am

1 stop11h 25m

$121

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/29

5:37 pm-12:42 am

2 stops31h 05m

$127

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/15

5:12 pm-12:42 am

2 stops31h 30m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 12 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 December.
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 June is currently the most expensive (average of $215). 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.

What is the cheapest time of day to fly from BWI to YOW?

Find hourly flight availability from Baltimore to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 65% on flights from Baltimore to Ottawa by exploring options for tickets at noon.

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 June is currently the most expensive (average of $215). 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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