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Cheap flights from Ottawa to Washington, D.C. from $207

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 8/29. 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

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 am - 8:43 pm
YOW
-
BWI
13h 43m
1 stop
Multiple Airlines Logo
6:25 am - 2:35 pm
BWI
-
YOW
8h 10m
1 stop
$385Multiple Airlines
Fri, Jul 24 - Sat, Jul 25
Multiple Airlines Logo
7:00 am - 10:24 am
YOW
-
BWI
27h 24m
1 stop
Multiple Airlines Logo
11:09 am - 11:48 pm
BWI
-
YOW
12h 39m
1 stop
$394Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 10:24 am
YOW
-
BWI
27h 24m
1 stop
Multiple Airlines Logo
6:24 am - 11:48 pm
BWI
-
YOW
17h 24m
1 stop
$396Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 12:10 pm
YOW
-
BWI
29h 10m
1 stop
Multiple Airlines Logo
3:21 pm - 12:20 am
BWI
-
YOW
32h 59m
2 stops
$418Multiple Airlines
Mon, Jul 13 - Mon, Jul 20
Multiple Airlines Logo
7:00 am - 11:59 pm
YOW
-
BWI
16h 59m
1 stop
Multiple Airlines Logo
9:32 pm - 5:23 pm
BWI
-
YOW
19h 51m
2 stops
$423Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
Multiple Airlines Logo
2:10 pm - 7:26 am
YOW
-
BWI
17h 16m
2 stops
Multiple Airlines Logo
11:09 am - 11:48 pm
BWI
-
YOW
12h 39m
1 stop
$431Multiple Airlines
Fri, Aug 21 - Mon, Aug 24
Multiple Airlines Logo
7:00 am - 10:24 am
YOW
-
BWI
27h 24m
1 stop
Multiple Airlines Logo
9:32 pm - 5:23 pm
BWI
-
YOW
19h 51m
2 stops
$449Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
Multiple Airlines Logo
2:00 pm - 12:10 pm
YOW
-
BWI
46h 10m
2 stops
Multiple Airlines Logo
1:05 pm - 2:57 pm
BWI
-
YOW
25h 52m
1 stop
$490Multiple Airlines
Sun, Jul 12 - Sun, Jul 19
Multiple Airlines Logo
9:05 am - 5:43 pm
YOW
-
BWI
32h 38m
2 stops
Multiple Airlines Logo
6:24 am - 2:33 pm
BWI
-
YOW
8h 09m
1 stop
$502Multiple Airlines
Mon, Aug 17 - Fri, Aug 21
Multiple Airlines Logo
2:10 pm - 7:26 am
YOW
-
BWI
17h 16m
2 stops
Multiple Airlines Logo
6:24 am - 2:33 pm
BWI
-
YOW
8h 09m
1 stop
$532Multiple Airlines
Fri, Aug 14 - Fri, Aug 21

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American Airlines flights from Ottawa to Baltimore

Our best American Airlines deals on Ottawa to Baltimore flight tickets
American Airlines
Sep 4
YOW7:00 amOttawa
15h 58m
2 stops
BWI10:58 pmBaltimore/Washington
Sep 7
BWI7:24 pmBaltimore/Washington
24h 36m
2 stops
YOW8:00 pmOttawa
$544
American Airlines
Sep 26
YOW8:40 amOttawa
9h 01m
2 stops
BWI5:41 pmBaltimore/Washington
Sep 27
BWI6:52 amBaltimore/Washington
8h 03m
2 stops
YOW2:55 pmOttawa
$557
American Airlines
Oct 7
YOW7:00 amOttawa
11h 24m
2 stops
BWI6:24 pmBaltimore/Washington
Oct 13
BWI8:16 pmBaltimore/Washington
23h 44m
2 stops
YOW8:00 pmOttawa
$614

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets
United Airlines
Oct 31
YOW6:15 amOttawa
7h 30m
1 stop
BWI1:45 pmBaltimore/Washington
Nov 3
BWI10:10 amBaltimore/Washington
11h 06m
1 stop
YOW9:16 pmOttawa
$738
United Airlines
Oct 31
YOW6:15 amOttawa
7h 30m
1 stop
BWI1:45 pmBaltimore/Washington
Nov 3
BWI10:10 amBaltimore/Washington
11h 06m
1 stop
YOW9:16 pmOttawa
$739
United Airlines
Jul 23
YOW10:44 amOttawa
6h 52m
1 stop
BWI5:36 pmBaltimore/Washington
Jul 28
BWI6:15 amBaltimore/Washington
15h 20m
1 stop
YOW9:35 pmOttawa
$781

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 July 4, 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
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 7/24

7:00 am-8:43 pm

1 stop13h 43m

Baltimore/Washington

Sat 7/25

6:25 am-2:35 pm

1 stop8h 10m

$385

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 9/4

7:00 am-10:24 am

1 stop27h 24m

Baltimore/Washington

Mon 9/7

11:09 am-11:48 pm

1 stop12h 39m

$394

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 9/4

7:00 am-10:24 am

1 stop27h 24m

Baltimore/Washington

Mon 9/7

6:24 am-11:48 pm

1 stop17h 24m

$396

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 7/13

7:00 am-12:10 pm

1 stop29h 10m

Baltimore/Washington

Mon 7/20

3:21 pm-12:20 am

2 stops32h 59m

$418

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 9/4

7:00 am-11:59 pm

1 stop16h 59m

Baltimore/Washington

Mon 9/7

9:32 pm-5:23 pm

2 stops19h 51m

$423

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 8/21

2:10 pm-7:26 am

2 stops17h 16m

Baltimore/Washington

Mon 8/24

11:09 am-11:48 pm

1 stop12h 39m

$431

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 9/4

7:00 am-10:24 am

1 stop27h 24m

Baltimore/Washington

Mon 9/7

9:32 pm-5:23 pm

2 stops19h 51m

$449

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 7/12

2:00 pm-12:10 pm

2 stops46h 10m

Baltimore/Washington

Sun 7/19

1:05 pm-2:57 pm

1 stop25h 52m

$490

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 8/17

9:05 am-5:43 pm

2 stops32h 38m

Baltimore/Washington

Fri 8/21

6:24 am-2:33 pm

1 stop8h 09m

$502

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 8/14

2:10 pm-7:26 am

2 stops17h 16m

Baltimore/Washington

Fri 8/21

6:24 am-2:33 pm

1 stop8h 09m

$532

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 airlines fly to Baltimore?

Air Canada, United Airlines and Porter 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 71% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 4 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

7h 06m

Direct flights

None
The fastest flight from Ottawa to Baltimore takes 7h 06m
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?

    The straight-line distance from Ottawa to Baltimore/Washington is 425.5 mi. 7h 06m 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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