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Cheap flights from Ottawa to Washington, D.C. from C$ 262

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 22/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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. - 9:17 a.m.
YOW
-
BWI
26h 17m
1 stop
Multiple Airlines Logo
5:53 p.m. - 12:15 p.m.
BWI
-
YOW
18h 22m
2 stops
C$ 467Multiple Airlines
Wed, 22 Apr - Sat, 2 May
Multiple Airlines Logo
4:15 p.m. - 8:43 a.m.
YOW
-
BWI
16h 28m
1 stop
Multiple Airlines Logo
6:35 a.m. - 4:59 p.m.
BWI
-
YOW
10h 24m
1 stop
C$ 472Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
7:00 a.m. - 9:17 a.m.
YOW
-
BWI
26h 17m
1 stop
Multiple Airlines Logo
9:46 p.m. - 12:15 p.m.
BWI
-
YOW
38h 29m
2 stops
C$ 480Multiple Airlines
Wed, 22 Apr - Fri, 1 May
Multiple Airlines Logo
7:00 a.m. - 8:43 a.m.
YOW
-
BWI
25h 43m
1 stop
Multiple Airlines Logo
5:49 p.m. - 12:15 p.m.
BWI
-
YOW
42h 26m
2 stops
C$ 493Multiple Airlines
Fri, 24 Apr - Wed, 29 Apr
Multiple Airlines Logo
4:15 p.m. - 9:37 a.m.
YOW
-
BWI
17h 22m
1 stop
Multiple Airlines Logo
8:44 p.m. - 5:25 p.m.
BWI
-
YOW
20h 41m
2 stops
C$ 502Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr
Multiple Airlines Logo
7:00 a.m. - 8:43 a.m.
YOW
-
BWI
25h 43m
1 stop
Multiple Airlines Logo
6:06 p.m. - 12:15 p.m.
BWI
-
YOW
18h 09m
2 stops
C$ 504Multiple Airlines
Fri, 24 Apr - Thu, 30 Apr
Multiple Airlines Logo
7:00 a.m. - 9:17 a.m.
YOW
-
BWI
26h 17m
1 stop
Multiple Airlines Logo
9:59 p.m. - 4:50 p.m.
BWI
-
YOW
18h 51m
1 stop
C$ 505Multiple Airlines
Wed, 22 Apr - Fri, 1 May
Multiple Airlines Logo
4:15 p.m. - 8:43 a.m.
YOW
-
BWI
16h 28m
1 stop
Multiple Airlines Logo
7:04 p.m. - 5:25 p.m.
BWI
-
YOW
22h 21m
2 stops
C$ 506Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
7:00 a.m. - 9:17 a.m.
YOW
-
BWI
26h 17m
1 stop
Multiple Airlines Logo
4:05 p.m. - 4:50 p.m.
BWI
-
YOW
24h 45m
1 stop
C$ 508Multiple Airlines
Wed, 22 Apr - Sat, 2 May
Multiple Airlines Logo
7:00 a.m. - 8:43 a.m.
YOW
-
BWI
25h 43m
1 stop
Multiple Airlines Logo
2:23 p.m. - 5:25 p.m.
BWI
-
YOW
27h 02m
2 stops
C$ 530Multiple Airlines
Fri, 24 Apr - Mon, 27 Apr

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets
United Airlines
14 Apr
YOW6:25 a.m.Ottawa
14h 58m
1 stop
BWI9:23 p.m.Baltimore/Washington
15 Apr
BWI11:08 a.m.Baltimore/Washington
5h 59m
1 stop
YOW5:07 p.m.Ottawa
C$ 1,007
United Airlines
14 Apr
YOW6:25 a.m.Ottawa
14h 58m
1 stop
BWI9:23 p.m.Baltimore/Washington
15 Apr
BWI11:08 a.m.Baltimore/Washington
5h 59m
1 stop
YOW5:07 p.m.Ottawa
C$ 1,009
United Airlines
7 Apr
YOW10:44 a.m.Ottawa
6h 49m
1 stop
BWI5:33 p.m.Baltimore/Washington
9 Apr
BWI11:08 a.m.Baltimore/Washington
5h 59m
1 stop
YOW5:07 p.m.Ottawa
C$ 1,255

WestJet flights from Ottawa to Baltimore

Our best WestJet deals on Ottawa to Baltimore flight tickets
WestJet
7 Apr
YOW5:40 a.m.Ottawa
11h 09m
2 stops
BWI4:49 p.m.Baltimore/Washington
25 Apr
BWI5:36 p.m.Baltimore/Washington
23h 59m
2 stops
YOW5:35 p.m.Ottawa
C$ 1,167
WestJet
14 Apr
YOW5:40 a.m.Ottawa
17h 19m
2 stops
BWI10:59 p.m.Baltimore/Washington
15 Apr
BWI9:00 a.m.Baltimore/Washington
15h 39m
2 stops
YOW12:39 a.m.Ottawa
C$ 1,297
WestJet
14 Apr
YOW5:40 a.m.Ottawa
11h 09m
2 stops
BWI4:49 p.m.Baltimore/Washington
15 Apr
BWI11:51 a.m.Baltimore/Washington
12h 48m
2 stops
YOW12:39 a.m.Ottawa
C$ 1,299

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 31 March 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 22/4

7:00 a.m.-9:17 a.m.

1 stop26h 17m

Baltimore/Washington

Sat 2/5

5:53 p.m.-12:15 p.m.

2 stops18h 22m

C$ 467
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/4

4:15 p.m.-8:43 a.m.

1 stop16h 28m

Baltimore/Washington

Mon 20/4

6:35 a.m.-4:59 p.m.

1 stop10h 24m

C$ 472

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 22/4

7:00 a.m.-9:17 a.m.

1 stop26h 17m

Baltimore/Washington

Fri 1/5

9:46 p.m.-12:15 p.m.

2 stops38h 29m

C$ 480

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 24/4

7:00 a.m.-8:43 a.m.

1 stop25h 43m

Baltimore/Washington

Wed 29/4

5:49 p.m.-12:15 p.m.

2 stops42h 26m

C$ 492

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 16/4

4:15 p.m.-9:37 a.m.

1 stop17h 22m

Baltimore/Washington

Mon 20/4

8:44 p.m.-5:25 p.m.

2 stops20h 41m

C$ 502

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 24/4

7:00 a.m.-8:43 a.m.

1 stop25h 43m

Baltimore/Washington

Thu 30/4

6:06 p.m.-12:15 p.m.

2 stops18h 09m

C$ 504

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 22/4

7:00 a.m.-9:17 a.m.

1 stop26h 17m

Baltimore/Washington

Fri 1/5

9:59 p.m.-4:50 p.m.

1 stop18h 51m

C$ 505

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/4

4:15 p.m.-8:43 a.m.

1 stop16h 28m

Baltimore/Washington

Mon 20/4

7:04 p.m.-5:25 p.m.

2 stops22h 21m

C$ 506

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 22/4

7:00 a.m.-9:17 a.m.

1 stop26h 17m

Baltimore/Washington

Sat 2/5

4:05 p.m.-4:50 p.m.

1 stop24h 45m

C$ 508

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 24/4

7:00 a.m.-8:43 a.m.

1 stop25h 43m

Baltimore/Washington

Mon 27/4

2:23 p.m.-5:25 p.m.

2 stops27h 02m

C$ 530

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

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

10h 42m

Direct flights

None
The fastest flight from Ottawa to Baltimore takes 10h 42m
There are no direct flights from Ottawa to Baltimore. There are no popular flight routes from Ottawa to Baltimore.
Search flight deals

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

    There are 684.7 km between Ottawa and Baltimore/Washington. Flights usually cover this in 10h 42m, 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$ 434Free CancellationRating
7.4
9,525 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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Airports servicing Maryland

Annapolis Airport