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Cheap flights from Ottawa to Washington, D.C. from C$ 331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 27/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 a.m. - 8:35 p.m.
YOW
-
BWI
13h 35m
2 stops
Multiple Airlines Logo
1:10 p.m. - 3:00 p.m.
BWI
-
YOW
25h 50m
1 stop
C$ 649Multiple Airlines
Wed, 10 Jun - Sun, 21 Jun
Multiple Airlines Logo
10:10 a.m. - 9:15 a.m.
YOW
-
BWI
23h 05m
1 stop
Multiple Airlines Logo
9:13 p.m. - 4:53 p.m.
BWI
-
YOW
19h 40m
2 stops
C$ 660Multiple Airlines
Mon, 25 May - Tue, 2 Jun
Multiple Airlines Logo
7:00 a.m. - 12:13 p.m.
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:30 p.m. - 8:05 p.m.
BWI
-
YOW
22h 35m
2 stops
C$ 683Multiple Airlines
Mon, 15 Jun - Wed, 17 Jun
Multiple Airlines Logo
7:00 a.m. - 12:15 p.m.
YOW
-
BWI
29h 15m
2 stops
Multiple Airlines Logo
3:21 p.m. - 11:48 p.m.
BWI
-
YOW
8h 27m
1 stop
C$ 691Multiple Airlines
Sun, 2 Aug - Mon, 17 Aug
Multiple Airlines Logo
7:00 a.m. - 12:15 p.m.
YOW
-
BWI
29h 15m
2 stops
Multiple Airlines Logo
3:21 p.m. - 11:48 p.m.
BWI
-
YOW
8h 27m
1 stop
C$ 693Multiple Airlines
Wed, 5 Aug - Mon, 17 Aug
Multiple Airlines Logo
7:00 a.m. - 8:35 p.m.
YOW
-
BWI
13h 35m
2 stops
Multiple Airlines Logo
9:30 p.m. - 2:33 p.m.
BWI
-
YOW
17h 03m
1 stop
C$ 696Multiple Airlines
Wed, 10 Jun - Fri, 19 Jun
Multiple Airlines Logo
7:00 a.m. - 9:01 a.m.
YOW
-
BWI
26h 01m
1 stop
Multiple Airlines Logo
9:30 p.m. - 8:05 p.m.
BWI
-
YOW
22h 35m
2 stops
C$ 705Multiple Airlines
Fri, 12 Jun - Wed, 17 Jun
Multiple Airlines Logo
7:00 a.m. - 12:13 p.m.
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:30 p.m. - 8:05 p.m.
BWI
-
YOW
22h 35m
2 stops
C$ 712Multiple Airlines
Mon, 15 Jun - Fri, 19 Jun
Multiple Airlines Logo
8:00 a.m. - 6:32 p.m.
YOW
-
BWI
10h 32m
1 stop
Multiple Airlines Logo
9:50 p.m. - 3:34 p.m.
BWI
-
YOW
17h 44m
1 stop
C$ 715Multiple Airlines
Fri, 6 Nov - Mon, 9 Nov
Multiple Airlines Logo
7:00 a.m. - 12:13 p.m.
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:43 p.m. - 3:00 p.m.
BWI
-
YOW
17h 17m
2 stops
C$ 718Multiple Airlines
Mon, 15 Jun - Sun, 21 Jun

American Airlines flights from Ottawa to Baltimore

Our best American Airlines deals on Ottawa to Baltimore flight tickets
American Airlines
6 Aug
YOW8:40 a.m.Ottawa
9h 05m
2 stops
BWI5:45 p.m.Baltimore/Washington
17 Aug
BWI7:24 p.m.Baltimore/Washington
19h 31m
2 stops
YOW2:55 p.m.Ottawa
C$ 858
American Airlines
25 May
YOW8:40 a.m.Ottawa
15h 27m
2 stops
BWI12:07 a.m.Baltimore/Washington
2 Jun
BWI8:10 p.m.Baltimore/Washington
18h 45m
2 stops
YOW2:55 p.m.Ottawa
C$ 994
American Airlines
23 May
YOW8:40 a.m.Ottawa
15h 30m
2 stops
BWI12:10 a.m.Baltimore/Washington
31 May
BWI8:10 p.m.Baltimore/Washington
18h 45m
2 stops
YOW2:55 p.m.Ottawa
C$ 1,109

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets
United Airlines
25 May
YOW10:44 a.m.Ottawa
6h 49m
1 stop
BWI5:33 p.m.Baltimore/Washington
2 Jun
BWI8:25 a.m.Baltimore/Washington
5h 34m
1 stop
YOW1:59 p.m.Ottawa
C$ 1,064
United Airlines
25 May
YOW5:25 p.m.Ottawa
7h 08m
1 stop
BWI12:33 a.m.Baltimore/Washington
31 May
BWI8:25 a.m.Baltimore/Washington
8h 42m
1 stop
YOW5:07 p.m.Ottawa
C$ 1,070
United Airlines
22 May
YOW5:25 p.m.Ottawa
7h 08m
1 stop
BWI12:33 a.m.Baltimore/Washington
31 May
BWI8:25 a.m.Baltimore/Washington
8h 42m
1 stop
YOW5:07 p.m.Ottawa
C$ 1,152

momondo 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, momondo users made 96,600 searches. Data last updated 16 May 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

Wed 10/6

7:00 a.m.-8:35 p.m.

2 stops13h 35m

Baltimore/Washington

Sun 21/6

1:10 p.m.-3:00 p.m.

1 stop25h 50m

C$ 649

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 25/5

10:10 a.m.-9:15 a.m.

1 stop23h 05m

Baltimore/Washington

Tue 2/6

9:13 p.m.-4:53 p.m.

2 stops19h 40m

C$ 660

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 15/6

7:00 a.m.-12:13 p.m.

1 stop29h 13m

Baltimore/Washington

Wed 17/6

9:30 p.m.-8:05 p.m.

2 stops22h 35m

C$ 683

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 2/8

7:00 a.m.-12:15 p.m.

2 stops29h 15m

Baltimore/Washington

Mon 17/8

3:21 p.m.-11:48 p.m.

1 stop8h 27m

C$ 691

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 5/8

7:00 a.m.-12:15 p.m.

2 stops29h 15m

Baltimore/Washington

Mon 17/8

3:21 p.m.-11:48 p.m.

1 stop8h 27m

C$ 693

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 10/6

7:00 a.m.-8:35 p.m.

2 stops13h 35m

Baltimore/Washington

Fri 19/6

9:30 p.m.-2:33 p.m.

1 stop17h 03m

C$ 696

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 12/6

7:00 a.m.-9:01 a.m.

1 stop26h 01m

Baltimore/Washington

Wed 17/6

9:30 p.m.-8:05 p.m.

2 stops22h 35m

C$ 705

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 15/6

7:00 a.m.-12:13 p.m.

1 stop29h 13m

Baltimore/Washington

Fri 19/6

9:30 p.m.-8:05 p.m.

2 stops22h 35m

C$ 712
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 6/11

8:00 a.m.-6:32 p.m.

1 stop10h 32m

Baltimore/Washington

Mon 9/11

9:50 p.m.-3:34 p.m.

1 stop17h 44m

C$ 715

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 15/6

7:00 a.m.-12:13 p.m.

1 stop29h 13m

Baltimore/Washington

Sun 21/6

9:43 p.m.-3:00 p.m.

2 stops17h 17m

C$ 718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ottawa to Baltimore/Washington?

United Airlines is the most popular carrier operating from Ottawa to Baltimore/Washington

Which airlines fly to Baltimore?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Baltimore from Ottawa according to our data. Air Canada is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

When to book flights from Ottawa to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Baltimore (YOW to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Baltimore

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from Ottawa to Baltimore takes 6h 20m
There are no direct flights from Ottawa to Baltimore. There are no popular flight routes from Ottawa to Baltimore.
Search flight deals

Frequently asked questions about flying from Ottawa to Baltimore

  • How far is Ottawa to Baltimore/Washington by plane?

    There are 684.7 km between Ottawa and Baltimore/Washington. Flights usually cover this in 6h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ottawa Airport to Baltimore/Washington Airport?

    Prices for flights from Ottawa Airport to Baltimore/Washington Airport refresh daily.

  • How many operators does momondo search for flights from Ottawa Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Ottawa Airport to Baltimore/Washington Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ottawa to Baltimore?

Best airlines flying from Ottawa to Baltimore

Compare and see reviews for airlines that fly from Ottawa to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 429Free CancellationRating
7.4
9,717 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Baltimore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Baltimore . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Baltimore with flexible booking policies on momondo?

All flight searches from Ottawa to Baltimore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Baltimore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Baltimore.

I’m not ready to book a flight from Ottawa to Baltimore right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.

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