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Cheap flights from Ottawa to Washington, D.C. from $85

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 12/17. 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
4:15 pm - 10:57 pmYOW-BWI
30h 42m1 stop
Multiple Airlines Logo
11:16 am - 5:13 pmBWI-YOW
29h 57m1 stop
$259Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
4:15 pm - 10:57 pmYOW-BWI
30h 42m1 stop
Multiple Airlines Logo
8:45 am - 12:25 amBWI-YOW
15h 40m1 stop
$289Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
4:15 pm - 12:55 pmYOW-BWI
20h 40m2 stops
Multiple Airlines Logo
5:40 am - 5:25 pmBWI-YOW
11h 45m1 stop
$292Multiple Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20
Multiple Airlines Logo
9:30 am - 9:35 amYOW-BWI
24h 05m3 stops
Multiple Airlines Logo
6:30 am - 5:25 pmBWI-YOW
10h 55m1 stop
$297Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
9:30 am - 10:21 amYOW-BWI
24h 51m1 stop
Multiple Airlines Logo
10:40 am - 6:25 pmBWI-YOW
31h 45m2 stops
$298Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
4:15 pm - 6:55 pmYOW-BWI
26h 40m1 stop
Multiple Airlines Logo
7:06 pm - 12:25 amBWI-YOW
29h 19m1 stop
$301Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Multiple Airlines Logo
9:30 am - 9:35 amYOW-BWI
24h 05m3 stops
Multiple Airlines Logo
6:30 am - 10:29 pmBWI-YOW
15h 59m3 stops
$305Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
4:15 pm - 10:57 pmYOW-BWI
30h 42m1 stop
Multiple Airlines Logo
7:06 pm - 5:13 pmBWI-YOW
22h 07m2 stops
$315Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
7:00 am - 12:34 amYOW-BWI
17h 34m2 stops
Multiple Airlines Logo
7:06 pm - 12:25 amBWI-YOW
29h 19m1 stop
$318Multiple Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Multiple Airlines Logo
9:30 am - 9:35 amYOW-BWI
24h 05m3 stops
Multiple Airlines Logo
8:00 pm - 5:25 pmBWI-YOW
21h 25m2 stops
$322Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8

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 832,500 searches. Data last updated November 4, 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 12/3

4:15 pm-10:57 pm

1 stop30h 42m

Baltimore/Washington

Wed 12/10

11:16 am-5:13 pm

1 stop29h 57m

$259

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 12/3

4:15 pm-10:57 pm

1 stop30h 42m

Baltimore/Washington

Sun 12/7

8:45 am-12:25 am

1 stop15h 40m

$289

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 11/17

4:15 pm-12:55 pm

2 stops20h 40m

Baltimore/Washington

Thu 11/20

5:40 am-5:25 pm

1 stop11h 45m

$292

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 12/5

9:30 am-9:35 am

3 stops24h 05m

Baltimore/Washington

Mon 12/8

6:30 am-5:25 pm

1 stop10h 55m

$297

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 12/2

9:30 am-10:21 am

1 stop24h 51m

Baltimore/Washington

Tue 12/9

10:40 am-6:25 pm

2 stops31h 45m

$298

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 12/8

4:15 pm-6:55 pm

1 stop26h 40m

Baltimore/Washington

Sat 12/13

7:06 pm-12:25 am

1 stop29h 19m

$301

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 12/5

9:30 am-9:35 am

3 stops24h 05m

Baltimore/Washington

Mon 12/8

6:30 am-10:29 pm

3 stops15h 59m

$305

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 12/3

4:15 pm-10:57 pm

1 stop30h 42m

Baltimore/Washington

Wed 12/10

7:06 pm-5:13 pm

2 stops22h 07m

$315

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 12/8

7:00 am-12:34 am

2 stops17h 34m

Baltimore/Washington

Sat 12/13

7:06 pm-12:25 am

1 stop29h 19m

$318

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 12/5

9:30 am-9:35 am

3 stops24h 05m

Baltimore/Washington

Mon 12/8

8:00 pm-5:25 pm

2 stops21h 25m

$322

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 time of day to depart on your flight to Baltimore?

Flying to Baltimore from Ottawa in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $566.

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

    The straight-line distance from Ottawa to Baltimore/Washington is 425.5 mi. 7h 29m is a normal flight duration for this route.

  • 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 are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

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 helps you find the best flight between Ottawa and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Ottawa to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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