Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ottawa to Washington, D.C. from $241

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 5/27. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 8:35 pm
YOW
-
BWI
13h 35m
2 stops
Multiple Airlines Logo
1:10 pm - 3:00 pm
BWI
-
YOW
25h 50m
1 stop
$472Multiple Airlines
Wed, Jun 10 - Sun, Jun 21
Multiple Airlines Logo
7:00 am - 12:13 pm
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:30 pm - 8:05 pm
BWI
-
YOW
22h 35m
2 stops
$497Multiple Airlines
Mon, Jun 15 - Wed, Jun 17
Multiple Airlines Logo
7:00 am - 12:15 pm
YOW
-
BWI
29h 15m
2 stops
Multiple Airlines Logo
3:21 pm - 11:48 pm
BWI
-
YOW
8h 27m
1 stop
$503Multiple Airlines
Sun, Aug 2 - Mon, Aug 17
Multiple Airlines Logo
7:00 am - 12:15 pm
YOW
-
BWI
29h 15m
2 stops
Multiple Airlines Logo
3:21 pm - 11:48 pm
BWI
-
YOW
8h 27m
1 stop
$504Multiple Airlines
Wed, Aug 5 - Mon, Aug 17
Multiple Airlines Logo
7:00 am - 8:35 pm
YOW
-
BWI
13h 35m
2 stops
Multiple Airlines Logo
9:30 pm - 2:33 pm
BWI
-
YOW
17h 03m
1 stop
$506Multiple Airlines
Wed, Jun 10 - Fri, Jun 19
Multiple Airlines Logo
7:00 am - 9:01 am
YOW
-
BWI
26h 01m
1 stop
Multiple Airlines Logo
9:30 pm - 8:05 pm
BWI
-
YOW
22h 35m
2 stops
$513Multiple Airlines
Fri, Jun 12 - Wed, Jun 17
Multiple Airlines Logo
7:00 am - 12:13 pm
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:30 pm - 8:05 pm
BWI
-
YOW
22h 35m
2 stops
$518Multiple Airlines
Mon, Jun 15 - Fri, Jun 19
Multiple Airlines Logo
7:00 am - 12:13 pm
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:43 pm - 3:00 pm
BWI
-
YOW
17h 17m
2 stops
$522Multiple Airlines
Mon, Jun 15 - Sun, Jun 21
Multiple Airlines Logo
7:00 am - 12:13 pm
YOW
-
BWI
29h 13m
1 stop
Multiple Airlines Logo
9:32 pm - 4:53 pm
BWI
-
YOW
19h 21m
2 stops
$525Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
7:00 am - 3:07 pm
YOW
-
BWI
32h 07m
2 stops
Multiple Airlines Logo
1:10 pm - 3:00 pm
BWI
-
YOW
25h 50m
1 stop
$526Multiple Airlines
Fri, Jun 12 - Sun, Jun 21

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets
United Airlines
May 23
YOW10:44 amOttawa
6h 17m
1 stop
BWI5:01 pmBaltimore/Washington
May 31
BWI8:25 amBaltimore/Washington
5h 34m
1 stop
YOW1:59 pmOttawa
$872
United Airlines
May 23
YOW10:44 amOttawa
6h 17m
1 stop
BWI5:01 pmBaltimore/Washington
May 31
BWI8:25 amBaltimore/Washington
5h 34m
1 stop
YOW1:59 pmOttawa
$873
United Airlines
May 21
YOW5:25 pmOttawa
7h 08m
1 stop
BWI12:33 amBaltimore/Washington
May 25
BWI8:25 amBaltimore/Washington
8h 42m
1 stop
YOW5:07 pmOttawa
$1,002

WestJet flights from Ottawa to Baltimore

Our best WestJet deals on Ottawa to Baltimore flight tickets
WestJet
May 25
YOW6:55 amOttawa
10h 29m
2 stops
BWI5:24 pmBaltimore/Washington
May 29
BWI6:10 amBaltimore/Washington
11h 25m
2 stops
YOW5:35 pmOttawa
$893
WestJet
May 28
YOW12:25 pmOttawa
11h 21m
2 stops
BWI11:46 pmBaltimore/Washington
Jun 2
BWI3:53 pmBaltimore/Washington
13h 42m
2 stops
YOW5:35 amOttawa
$965
WestJet
May 20
YOW6:15 pmOttawa
29h 31m
2 stops
BWI11:46 pmBaltimore/Washington
May 25
BWI6:10 amBaltimore/Washington
23h 25m
2 stops
YOW5:35 amOttawa
$1,015

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 May 16, 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 6/10

7:00 am-8:35 pm

2 stops13h 35m

Baltimore/Washington

Sun 6/21

1:10 pm-3:00 pm

1 stop25h 50m

$472

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/15

7:00 am-12:13 pm

1 stop29h 13m

Baltimore/Washington

Wed 6/17

9:30 pm-8:05 pm

2 stops22h 35m

$497

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 8/2

7:00 am-12:15 pm

2 stops29h 15m

Baltimore/Washington

Mon 8/17

3:21 pm-11:48 pm

1 stop8h 27m

$503

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 8/5

7:00 am-12:15 pm

2 stops29h 15m

Baltimore/Washington

Mon 8/17

3:21 pm-11:48 pm

1 stop8h 27m

$504
Quickest round-trip

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 6/10

7:00 am-8:35 pm

2 stops13h 35m

Baltimore/Washington

Fri 6/19

9:30 pm-2:33 pm

1 stop17h 03m

$506

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 6/12

7:00 am-9:01 am

1 stop26h 01m

Baltimore/Washington

Wed 6/17

9:30 pm-8:05 pm

2 stops22h 35m

$513

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/15

7:00 am-12:13 pm

1 stop29h 13m

Baltimore/Washington

Fri 6/19

9:30 pm-8:05 pm

2 stops22h 35m

$518

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/15

7:00 am-12:13 pm

1 stop29h 13m

Baltimore/Washington

Sun 6/21

9:43 pm-3:00 pm

2 stops17h 17m

$522

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 6/15

7:00 am-12:13 pm

1 stop29h 13m

Baltimore/Washington

Mon 6/22

9:32 pm-4:53 pm

2 stops19h 21m

$525

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 6/12

7:00 am-3:07 pm

2 stops32h 07m

Baltimore/Washington

Sun 6/21

1:10 pm-3:00 pm

1 stop25h 50m

$526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 75% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 3 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?

    The straight-line distance from Ottawa to Baltimore/Washington is 425.5 mi. 6h 20m 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.

An easier way to manage your Baltimore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/15
Mon 6/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States