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Cheap flights from Baltimore to Ottawa from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Ottawa departing on 7/19. 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 Baltimore to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:24 am - 5:35 pm
BWI
-
YOW
11h 11m
2 stops
Multiple Airlines Logo
4:15 pm - 12:23 am
YOW
-
BWI
8h 08m
1 stop
$411Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
6:25 am - 2:35 pm
BWI
-
YOW
8h 10m
1 stop
Multiple Airlines Logo
7:00 am - 12:10 pm
YOW
-
BWI
29h 10m
1 stop
$428Multiple Airlines
Fri, Jul 24 - Mon, Jul 27
Multiple Airlines Logo
6:25 am - 2:35 pm
BWI
-
YOW
8h 10m
1 stop
Multiple Airlines Logo
7:00 am - 12:10 pm
YOW
-
BWI
29h 10m
1 stop
$438Multiple Airlines
Sat, Jul 18 - Mon, Jul 20
Multiple Airlines Logo
9:28 pm - 2:35 pm
BWI
-
YOW
17h 07m
1 stop
Multiple Airlines Logo
6:25 pm - 11:59 pm
YOW
-
BWI
29h 34m
2 stops
$447Multiple Airlines
Thu, Jul 9 - Mon, Jul 13
Multiple Airlines Logo
6:25 am - 2:35 pm
BWI
-
YOW
8h 10m
1 stop
Multiple Airlines Logo
7:00 am - 7:26 am
YOW
-
BWI
24h 26m
2 stops
$450Multiple Airlines
Fri, Jul 24 - Mon, Jul 27
Multiple Airlines Logo
6:05 am - 12:20 am
BWI
-
YOW
18h 15m
2 stops
Multiple Airlines Logo
7:00 am - 12:10 pm
YOW
-
BWI
29h 10m
1 stop
$453Multiple Airlines
Wed, Jul 22 - Sat, Jul 25
Multiple Airlines Logo
9:38 pm - 12:20 am
BWI
-
YOW
26h 42m
2 stops
Multiple Airlines Logo
4:15 pm - 12:23 am
YOW
-
BWI
8h 08m
1 stop
$463Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
3:21 pm - 11:48 pm
BWI
-
YOW
8h 27m
1 stop
Multiple Airlines Logo
4:15 pm - 12:23 am
YOW
-
BWI
8h 08m
1 stop
$469Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
6:05 am - 9:20 pm
BWI
-
YOW
15h 15m
2 stops
Multiple Airlines Logo
7:00 am - 12:10 pm
YOW
-
BWI
29h 10m
1 stop
$471Multiple Airlines
Wed, Jul 22 - Sat, Jul 25
Multiple Airlines Logo
9:38 pm - 2:35 pm
BWI
-
YOW
16h 57m
1 stop
Multiple Airlines Logo
6:25 pm - 8:33 pm
YOW
-
BWI
26h 08m
2 stops
$474Multiple Airlines
Fri, Jul 10 - Tue, Jul 14

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American Airlines flights from Baltimore to Ottawa

Our best American Airlines deals on Baltimore to Ottawa flight tickets
American Airlines
Sep 16
BWI6:01 amBaltimore/Washington
8h 54m
2 stops
YOW2:55 pmOttawa
Sep 22
YOW8:40 amOttawa
10h 53m
2 stops
BWI7:33 pmBaltimore/Washington
$696
American Airlines
Sep 16
BWI6:01 amBaltimore/Washington
8h 54m
2 stops
YOW2:55 pmOttawa
Sep 22
YOW8:40 amOttawa
10h 53m
2 stops
BWI7:33 pmBaltimore/Washington
$697
American Airlines
Jul 28
BWI5:44 amBaltimore/Washington
39h 36m
2 stops
YOW9:20 pmOttawa
Jul 30
YOW8:40 amOttawa
15h 34m
2 stops
BWI12:14 amBaltimore/Washington
$716

WestJet flights from Baltimore to Ottawa

Our best WestJet deals on Baltimore to Ottawa flight tickets
WestJet
Jul 23
BWI6:08 amBaltimore/Washington
11h 27m
2 stops
YOW5:35 pmOttawa
Jul 26
YOW6:55 amOttawa
28h 52m
2 stops
BWI11:47 amBaltimore/Washington
$729
WestJet
Jul 8
BWI5:27 pmBaltimore/Washington
24h 08m
2 stops
YOW5:35 pmOttawa
Jul 22
YOW6:55 amOttawa
16h 23m
2 stops
BWI11:18 pmBaltimore/Washington
$738
WestJet
Jul 8
BWI5:27 pmBaltimore/Washington
24h 08m
2 stops
YOW5:35 pmOttawa
Jul 28
YOW6:55 amOttawa
16h 23m
2 stops
BWI11:18 pmBaltimore/Washington
$761

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Ottawa 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 June 21, 2026.
Use the filters below to find and compare flights from Baltimore to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 8/20

6:24 am-5:35 pm

2 stops11h 11m

Ottawa

Mon 8/24

4:15 pm-12:23 am

1 stop8h 08m

$411

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 7/24

6:25 am-2:35 pm

1 stop8h 10m

Ottawa

Mon 7/27

7:00 am-12:10 pm

1 stop29h 10m

$428

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 7/18

6:25 am-2:35 pm

1 stop8h 10m

Ottawa

Mon 7/20

7:00 am-12:10 pm

1 stop29h 10m

$438

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 7/9

9:28 pm-2:35 pm

1 stop17h 07m

Ottawa

Mon 7/13

6:25 pm-11:59 pm

2 stops29h 34m

$447

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 7/24

6:25 am-2:35 pm

1 stop8h 10m

Ottawa

Mon 7/27

7:00 am-7:26 am

2 stops24h 26m

$450

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 7/22

6:05 am-12:20 am

2 stops18h 15m

Ottawa

Sat 7/25

7:00 am-12:10 pm

1 stop29h 10m

$453

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 8/3

9:38 pm-12:20 am

2 stops26h 42m

Ottawa

Mon 8/10

4:15 pm-12:23 am

1 stop8h 08m

$463
Quickest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 8/3

3:21 pm-11:48 pm

1 stop8h 27m

Ottawa

Mon 8/10

4:15 pm-12:23 am

1 stop8h 08m

$469

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 7/22

6:05 am-9:20 pm

2 stops15h 15m

Ottawa

Sat 7/25

7:00 am-12:10 pm

1 stop29h 10m

$471

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 7/10

9:38 pm-2:35 pm

1 stop16h 57m

Ottawa

Tue 7/14

6:25 pm-8:33 pm

2 stops26h 08m

$474

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Baltimore to Ottawa

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 Ottawa?

The cheapest day to depart from Baltimore to Ottawa is on a Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $472. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $568.

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

In the morning is the cheapest time of day to fly from Baltimore to Ottawa when you can find flight prices for as low as $480. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,105 on average. Flights to Ottawa from Baltimore in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Baltimore to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Ottawa (BWI to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Ottawa

Fastest flight time

5h 29m

Direct flights

None
The fastest flight from Baltimore to Ottawa takes 5h 29m
There are no direct flights from Baltimore to Ottawa. There are no popular flight routes from Baltimore to Ottawa.
Search flight deals

Frequently asked questions about flying from Baltimore to Ottawa

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

    The straight-line distance from Baltimore/Washington to Ottawa is 425.5 mi. Flights usually cover this in 5h 29m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Ottawa Airport?

    Prices for flights from Baltimore/Washington Airport to Ottawa Airport were last updated today.

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

  • What documentation or ID do you need to fly to Ottawa Airport?

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Petawawa
Smiths Falls
Perth
Calabogie
Prescott
Winchester
Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Ottawa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Baltimore to Ottawa. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Baltimore to Ottawa with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ottawa from Baltimore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Baltimore to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Baltimore.

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

Yes momondo offers price alerts on flights to Ottawa from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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