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Cheap flights from Baltimore to Ottawa from C$ 234

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Ottawa

Enter your travel dates to find the best prices.

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 25 July 2026.

Sun 6/91:20 p.m.
BWI
-
YOW
1 stop25h 55m
Multiple Airlines
Sun 13/97:00 a.m.
YOW
-
BWI
2 stops30h 00m
Multiple Airlines
Deal found 23/7C$ 625
Mon 17/81:05 p.m.
BWI
-
YOW
2 stops32h 35m
Multiple Airlines
Mon 24/87:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Deal found 23/7C$ 658
Tue 18/86:28 p.m.
BWI
-
YOW
2 stops17h 57m
Multiple Airlines
Mon 24/87:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Deal found 23/7C$ 670
Sun 16/81:05 p.m.
BWI
-
YOW
2 stops30h 39m
Multiple Airlines
Mon 24/87:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Deal found 23/7C$ 672
Thu 17/99:52 p.m.
BWI
-
YOW
1 stop16h 41m
Multiple Airlines
Tue 22/96:25 p.m.
YOW
-
BWI
2 stops24h 07m
Multiple Airlines
Deal found 23/7C$ 728
Fri 25/99:25 p.m.
BWI
-
YOW
2 stops17h 50m
Multiple Airlines
Mon 28/94:15 p.m.
YOW
-
BWI
1 stop16h 16m
Multiple Airlines
Deal found 23/7C$ 730
Mon 7/99:32 p.m.
BWI
-
YOW
2 stops19h 51m
Multiple Airlines
Mon 14/97:00 a.m.
YOW
-
BWI
1 stop30h 00m
Multiple Airlines
Deal found 24/7C$ 739
Sat 15/86:25 a.m.
BWI
-
YOW
1 stop8h 08m
Multiple Airlines
Mon 24/87:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Deal found 23/7C$ 768
Fri 11/98:00 a.m.
BWI
-
YOW
2 stops30h 33m
Multiple Airlines
Mon 14/94:15 p.m.
YOW
-
BWI
1 stop17h 13m
Multiple Airlines
Deal found 20/7C$ 770
Fri 14/86:25 a.m.
BWI
-
YOW
1 stop8h 08m
Multiple Airlines
Mon 24/87:00 a.m.
YOW
-
BWI
1 stop29h 25m
Multiple Airlines
Deal found 23/7C$ 806

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 25 July 2026.

Round-trip from

C$ 625

One-way from

C$ 234

Popular in

December

Cheapest in

October

Average price

C$ 679
6/9-13/9
  • 6/9-13/9
  • 3 total stops
  • 55h 55m total
  • Baltimore to Ottawa
Search Deals
28/10
  • 28/10
  • 1 total stop
  • 27h 25m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 629,999 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from Baltimore to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 17/8

9:32 p.m.-5:23 p.m.

2 stops19h 51m

Ottawa

Mon 24/8

4:15 p.m.-11:59 p.m.

1 stop7h 44m

C$ 875

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 6/8

9:28 p.m.-2:33 p.m.

1 stop17h 05m

Ottawa

Wed 12/8

2:10 p.m.-7:26 a.m.

2 stops17h 16m

C$ 886

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 27/8

7:52 p.m.-2:33 p.m.

1 stop18h 41m

Ottawa

Sun 30/8

8:55 p.m.-2:35 p.m.

2 stops17h 40m

C$ 1,010

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 11/9

6:16 p.m.-2:55 p.m.

2 stops44h 39m

Ottawa

Mon 14/9

7:00 a.m.-5:41 p.m.

2 stops10h 41m

C$ 1,124

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 27/8

10:25 a.m.-5:16 p.m.

1 stop6h 51m

Ottawa

Sun 30/8

6:25 a.m.-6:42 p.m.

1 stop12h 17m

C$ 1,410

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 11/9

12:10 p.m.-9:35 p.m.

1 stop9h 25m

Ottawa

Mon 14/9

10:37 a.m.-8:52 p.m.

1 stop10h 15m

C$ 1,410

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 22/9

12:10 p.m.-9:35 p.m.

1 stop9h 25m

Ottawa

Wed 23/9

6:25 a.m.-6:22 p.m.

1 stop11h 57m

C$ 1,410

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 21/8

8:10 a.m.-9:35 p.m.

1 stop13h 25m

Ottawa

Tue 25/8

10:37 a.m.-9:29 p.m.

1 stop10h 52m

C$ 1,410

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 14/10

9:09 a.m.-5:16 p.m.

1 stop8h 07m

Ottawa

Sun 18/10

10:37 a.m.-10:59 p.m.

1 stop12h 22m

C$ 1,410
Quickest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 5/9

8:10 a.m.-1:59 p.m.

1 stop5h 49m

Ottawa

Sat 12/9

6:25 a.m.-1:58 p.m.

1 stop7h 33m

C$ 1,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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.

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.

  • How long is the flight from Baltimore to Ottawa?

    For as low as C$ 1,124, American Airlines can have you in Ottawa from Baltimore in 44h 39m. There are 687 km between Baltimore and Ottawa.

  • 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.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Prescott
Wakefield
Pembroke
Smiths Falls

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