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Cheap flights from Baltimore to Ottawa from C$ 235

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
11 Apr — 18 Apr1
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 12 March 2026.

Sun 19/49:10 p.m.
BWI
-
YOW
1 stop20h 03m
Multiple Airlines
Wed 29/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 11/3C$ 493
Wed 22/45:49 p.m.
BWI
-
YOW
2 stops23h 36m
Multiple Airlines
Wed 29/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 11/3C$ 498
Sat 25/45:53 p.m.
BWI
-
YOW
2 stops18h 42m
Multiple Airlines
Wed 29/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 11/3C$ 501
Tue 21/45:49 p.m.
BWI
-
YOW
2 stops23h 36m
Multiple Airlines
Wed 29/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 11/3C$ 506
Wed 1/49:50 p.m.
BWI
-
YOW
2 stops26h 35m
Multiple Airlines
Thu 23/44:15 p.m.
YOW
-
BWI
1 stop17h 22m
Multiple Airlines
Deal found 7/3C$ 519
Wed 22/45:30 a.m.
BWI
-
YOW
1 stop11h 55m
Multiple Airlines
Thu 23/44:15 p.m.
YOW
-
BWI
1 stop17h 22m
Multiple Airlines
Deal found 11/3C$ 520
Fri 24/46:35 a.m.
BWI
-
YOW
1 stop10h 24m
Multiple Airlines
Wed 29/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 11/3C$ 521
Sun 19/49:10 p.m.
BWI
-
YOW
1 stop20h 03m
Multiple Airlines
Thu 30/47:00 a.m.
YOW
-
BWI
1 stop26h 37m
Multiple Airlines
Deal found 11/3C$ 525
Fri 10/44:05 p.m.
BWI
-
YOW
1 stop8h 20m
Multiple Airlines
Mon 13/47:00 a.m.
YOW
-
BWI
2 stops33h 54m
Multiple Airlines
Deal found 7/3C$ 531
Sat 25/45:53 p.m.
BWI
-
YOW
2 stops18h 42m
Multiple Airlines
Thu 30/47:00 a.m.
YOW
-
BWI
1 stop26h 37m
Multiple Airlines
Deal found 11/3C$ 534

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 12 March 2026.

Round-trip from

C$ 493

One-way from

C$ 235

Popular in

December

Cheapest in

October

Average price

C$ 648
19/4-29/4
  • 19/4-29/4
  • 2 total stops
  • 46h 20m total
  • Baltimore to Ottawa
Search Deals
29/4
  • 29/4
  • 2 total stops
  • 30h 36m total
  • Baltimore to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 12 March 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

Wed 22/4

5:30 a.m.-5:25 p.m.

1 stop11h 55m

Ottawa

Thu 23/4

4:45 p.m.-7:11 a.m.

2 stops14h 26m

C$ 614

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 17/4

9:59 p.m.-11:29 a.m.

2 stops13h 30m

Ottawa

Sun 19/4

4:15 p.m.-9:15 a.m.

1 stop17h 00m

C$ 714

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 4/5

9:56 p.m.-10:59 a.m.

2 stops13h 03m

Ottawa

Thu 7/5

1:20 p.m.-10:00 a.m.

3 stops20h 40m

C$ 756

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 22/3

7:11 p.m.-5:25 p.m.

2 stops22h 14m

Ottawa

Sat 28/3

4:15 p.m.-8:41 a.m.

1 stop16h 26m

C$ 892

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 27/3

4:05 p.m.-5:25 p.m.

3 stops25h 20m

Ottawa

Sun 29/3

9:30 a.m.-11:59 p.m.

1 stop14h 29m

C$ 930

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 9/6

8:15 a.m.-1:59 p.m.

1 stop5h 44m

Ottawa

Fri 12/6

6:25 a.m.-9:26 p.m.

1 stop15h 01m

C$ 1,127

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 17/4

11:08 a.m.-9:35 p.m.

1 stop10h 27m

Ottawa

Sun 19/4

5:25 p.m.-9:39 a.m.

1 stop16h 14m

C$ 1,127
Quickest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 9/5

3:27 p.m.-9:35 p.m.

1 stop6h 08m

Ottawa

Tue 12/5

10:44 a.m.-5:28 p.m.

1 stop6h 44m

C$ 1,127

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 29/4

11:08 a.m.-5:07 p.m.

1 stop5h 59m

Ottawa

Sun 3/5

6:25 a.m.-5:28 p.m.

1 stop11h 03m

C$ 1,127

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 8/8

6:45 a.m.-9:35 p.m.

1 stop14h 50m

Ottawa

Tue 18/8

5:20 p.m.-9:34 a.m.

1 stop16h 14m

C$ 1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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.

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 C$ 152). Flying from Baltimore to Ottawa in December is currently the most expensive (average of C$ 300). 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 C$ 152). Flying from Baltimore to Ottawa in December is currently the most expensive (average of C$ 300). 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

Travelling to a place near Ottawa?

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

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