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Cheap flights from Ottawa to Washington, D.C. from C$ 224

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 30/10. 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

Multiple Airlines Logo
3:50 p.m. - 11:01 a.m.YOW-BWI
19h 11m1 stop
Multiple Airlines Logo
6:56 a.m. - 5:25 p.m.BWI-YOW
10h 29m1 stop
C$ 410Multiple Airlines
Find Deal
Wed, 15 Oct - Mon, 27 Oct
Multiple Airlines Logo
4:25 p.m. - 3:29 p.m.YOW-BWI
23h 04m1 stop
Multiple Airlines Logo
8:21 a.m. - 12:22 a.m.BWI-YOW
16h 01m2 stops
C$ 416Multiple Airlines
Find Deal
Tue, 30 Sep - Fri, 3 Oct
Multiple Airlines Logo
4:25 p.m. - 3:29 p.m.YOW-BWI
23h 04m1 stop
Multiple Airlines Logo
8:52 p.m. - 4:57 p.m.BWI-YOW
20h 05m1 stop
C$ 419Multiple Airlines
Find Deal
Tue, 30 Sep - Fri, 3 Oct
Multiple Airlines Logo
4:25 p.m. - 12:40 p.m.YOW-BWI
20h 15m1 stop
Multiple Airlines Logo
5:20 p.m. - 12:22 a.m.BWI-YOW
31h 02m2 stops
C$ 421Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Multiple Airlines Logo
9:30 a.m. - 8:34 a.m.YOW-BWI
23h 04m1 stop
Multiple Airlines Logo
2:30 p.m. - 5:25 p.m.BWI-YOW
26h 55m1 stop
C$ 423Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Multiple Airlines Logo
4:25 p.m. - 3:32 p.m.YOW-BWI
23h 07m1 stop
Multiple Airlines Logo
8:52 p.m. - 4:57 p.m.BWI-YOW
20h 05m1 stop
C$ 425Multiple Airlines
Find Deal
Fri, 26 Sep - Mon, 29 Sep
Multiple Airlines Logo
4:25 p.m. - 12:40 p.m.YOW-BWI
20h 15m1 stop
Multiple Airlines Logo
6:56 a.m. - 5:20 p.m.BWI-YOW
10h 24m1 stop
C$ 428Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Multiple Airlines Logo
3:50 p.m. - 11:01 a.m.YOW-BWI
19h 11m1 stop
Multiple Airlines Logo
8:00 a.m. - 4:57 p.m.BWI-YOW
8h 57m1 stop
C$ 430Multiple Airlines
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Multiple Airlines Logo
9:30 a.m. - 8:34 a.m.YOW-BWI
23h 04m1 stop
Multiple Airlines Logo
2:30 p.m. - 12:42 a.m.BWI-YOW
10h 12m2 stops
C$ 438Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Multiple Airlines Logo
9:30 a.m. - 7:26 p.m.YOW-BWI
9h 56m1 stop
Multiple Airlines Logo
6:50 p.m. - 12:42 a.m.BWI-YOW
29h 52m2 stops
C$ 439Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov

WestJet flights from Ottawa to Baltimore

Our best WestJet deals on Ottawa to Baltimore flight tickets
WestJet
29 Sep
YOW5:55 a.m.Ottawa
9h 55m
2 stops
BWI3:50 p.m.Baltimore/Washington
29 Sep
BWI7:06 p.m.Baltimore/Washington
16h 26m
2 stops
YOW11:32 a.m.Ottawa
C$ 1,171
Find similar
WestJet
19 Sep
YOW7:15 p.m.Ottawa
14h 58m
2 stops
BWI10:13 a.m.Baltimore/Washington
22 Sep
BWI5:35 a.m.Baltimore/Washington
19h 05m
2 stops
YOW12:40 a.m.Ottawa
C$ 1,239
Find similar
WestJet
25 Sep
YOW6:00 a.m.Ottawa
14h 33m
2 stops
BWI8:33 p.m.Baltimore/Washington
29 Sep
BWI1:50 p.m.Baltimore/Washington
10h 32m
2 stops
YOW12:22 a.m.Ottawa
C$ 1,250
Find similar

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 September 2025.
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

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 15/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

Baltimore/Washington

Mon 27/10

6:56 a.m.-5:25 p.m.

1 stop10h 29m

C$ 410

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 30/9

4:25 p.m.-3:29 p.m.

1 stop23h 04m

Baltimore/Washington

Fri 3/10

8:21 a.m.-12:22 a.m.

2 stops16h 01m

C$ 416

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 30/9

4:25 p.m.-3:29 p.m.

1 stop23h 04m

Baltimore/Washington

Fri 3/10

8:52 p.m.-4:57 p.m.

1 stop20h 05m

C$ 419

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 14/10

4:25 p.m.-12:40 p.m.

1 stop20h 15m

Baltimore/Washington

Tue 21/10

5:20 p.m.-12:22 a.m.

2 stops31h 02m

C$ 421

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 29/10

9:30 a.m.-8:34 a.m.

1 stop23h 04m

Baltimore/Washington

Wed 5/11

2:30 p.m.-5:25 p.m.

1 stop26h 55m

C$ 423

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 26/9

4:25 p.m.-3:32 p.m.

1 stop23h 07m

Baltimore/Washington

Mon 29/9

8:52 p.m.-4:57 p.m.

1 stop20h 05m

C$ 425

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 14/10

4:25 p.m.-12:40 p.m.

1 stop20h 15m

Baltimore/Washington

Tue 21/10

6:56 a.m.-5:20 p.m.

1 stop10h 24m

C$ 428

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/10

3:50 p.m.-11:01 a.m.

1 stop19h 11m

Baltimore/Washington

Wed 8/10

8:00 a.m.-4:57 p.m.

1 stop8h 57m

C$ 430

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 29/10

9:30 a.m.-8:34 a.m.

1 stop23h 04m

Baltimore/Washington

Wed 5/11

2:30 p.m.-12:42 a.m.

2 stops10h 12m

C$ 438

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 30/10

9:30 a.m.-7:26 p.m.

1 stop9h 56m

Baltimore/Washington

Thu 6/11

6:50 p.m.-12:42 a.m.

2 stops29h 52m

C$ 439

Flights are sorted by cheapest round-trip flights 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 day to depart on your flight to Baltimore?

According to our data, Wednesday is the cheapest day to fly to Baltimore from Ottawa. The lowest ticket price found for a Wednesday departure recently was C$ 453. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,034.

What is the cheapest time of day to depart on your flight to Baltimore?

In the evening is the cheapest time of day to fly from Ottawa to Baltimore when you can find flight prices for as low as C$ 504. Flying to Baltimore in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Baltimore is in the afternoon when prices are around C$ 888.

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

Direct flights

None
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 7h 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
Porter AirlinesPriceFrom C$ 333Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 454Free CancellationRating
7.4
8,924 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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