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$241+ Cheap flights from Ottawa (YOW) to Baltimore (BWI)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BWI
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
1 adult, Economy
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Cheap flight deals from Ottawa to Baltimore

Cheapest flights from Ottawa to Baltimore
Explore the most affordable flight options available from Ottawa to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/11. 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 5/2510:10 am
YOW
-
BWI
1 stop23h 05m
Multiple Airlines
Tue 6/29:13 pm
BWI
-
YOW
2 stops19h 40m
Multiple Airlines
Deal found 5/11$480
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 11/68:00 am
YOW
-
BWI
1 stop10h 32m
Multiple Airlines
Mon 11/99:50 pm
BWI
-
YOW
1 stop17h 44m
Multiple Airlines
Deal found 5/11$520
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 8/287:00 am
YOW
-
BWI
1 stop26h 06m
Multiple Airlines
Tue 9/19:32 pm
BWI
-
YOW
2 stops19h 21m
Multiple Airlines
Deal found 5/9$524
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Sat 7/187:00 am
YOW
-
BWI
1 stop11h 32m
Multiple Airlines
Mon 7/209:28 pm
BWI
-
YOW
2 stops22h 37m
Multiple Airlines
Deal found 5/12$546
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/197:00 am
YOW
-
BWI
1 stop26h 01m
Multiple Airlines
Thu 7/29:43 pm
BWI
-
YOW
2 stops43h 57m
Multiple Airlines
Deal found 5/14$611
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:40 am
YOW
-
BWI
2 stops15h 18m
American Airlines
Sat 9/266:09 pm
BWI
-
YOW
2 stops20h 46m
American Airlines
Deal found 5/10$622
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:55 am
YOW
-
BWI
2 stops27h 49m
WestJet
Mon 6/810:33 am
BWI
-
YOW
2 stops13h 47m
WestJet
Deal found 5/10$624
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:40 am
YOW
-
BWI
2 stops15h 28m
American Airlines
Sun 9/276:46 am
BWI
-
YOW
2 stops8h 09m
American Airlines
Deal found 5/9$639
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:55 am
YOW
-
BWI
2 stops16h 22m
WestJet
Sun 6/76:08 am
BWI
-
YOW
2 stops11h 27m
WestJet
Deal found 5/13$650
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 9/37:00 am
YOW
-
BWI
2 stops11h 32m
Multiple Airlines
Mon 9/73:09 pm
BWI
-
YOW
1 stop8h 39m
Multiple Airlines
Deal found 5/12$651
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:40 am
YOW
-
BWI
2 stops15h 34m
American Airlines
Mon 7/278:17 pm
BWI
-
YOW
2 stops18h 38m
American Airlines
Deal found 5/14$652

Find flight deals from Ottawa to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Baltimore (BWI). 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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(Kiwi.com)

One-way from

$241
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$475
Provider with most accurate pricing for Ottawa-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Baltimore/Washington flights.
Search Deals
From Ottawa to Baltimore/Washington
Search Deals
One-way flight from Ottawa to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Baltimore 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 May 14, 2026.
Use the filters below to find and compare flights from Ottawa to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 7/28

6:25 am-1:57 pm

1 stop7h 32m

Baltimore/Washington

Wed 7/29

8:16 am-5:07 pm

1 stop8h 51m

$655

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 6/25

6:25 am-5:36 pm

1 stop11h 11m

Baltimore/Washington

Mon 7/6

8:16 am-9:35 pm

1 stop13h 19m

$655

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 7/8

6:25 am-9:26 pm

1 stop15h 01m

Baltimore/Washington

Wed 7/15

6:15 am-1:59 pm

1 stop7h 44m

$655

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 6/26

5:20 pm-12:28 am

1 stop7h 08m

Baltimore/Washington

Mon 6/29

6:15 am-5:07 pm

1 stop10h 52m

$656
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 7/24

5:20 pm-12:28 am

1 stop7h 08m

Baltimore/Washington

Sun 7/26

6:15 am-1:59 pm

1 stop7h 44m

$656

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 8/28

6:25 am-1:58 pm

1 stop7h 33m

Baltimore/Washington

Tue 9/1

10:25 am-9:35 pm

1 stop11h 10m

$657

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 6/25

5:20 pm-12:28 am

1 stop7h 08m

Baltimore/Washington

Sun 6/28

8:16 am-5:07 pm

1 stop8h 51m

$657

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 9/8

6:25 am-1:57 pm

1 stop7h 32m

Baltimore/Washington

Wed 9/9

12:30 pm-9:35 pm

1 stop9h 05m

$678

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/22

5:25 pm-12:33 am

1 stop7h 08m

Baltimore/Washington

Mon 6/29

8:16 am-5:07 pm

1 stop8h 51m

$679

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 7/10

5:20 pm-12:28 am

1 stop7h 08m

Baltimore/Washington

Fri 7/17

10:32 am-9:35 pm

1 stop11h 03m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 24 resultsSorted by cheapest first
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2
3
  • Most accurate provider: When it comes to deals on Ottawa-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ottawa-Baltimore 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 Ottawa to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Ottawa 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.

Related info for your journey

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

  • How long is the flight from Ottawa to Baltimore?

    Departing from Ottawa to Baltimore will take you 7h 32m. The distance between Ottawa and Baltimore is about 427 mi.

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

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

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

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

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

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

See more FAQs

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