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Cheap flights from Baltimore to Ottawa from $151

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 3/4. 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

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Find the cheapest flights from Baltimore to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:05 pm - 5:25 pm
BWI
-
YOW
25h 20m
1 stop
Multiple Airlines Logo
4:15 pm - 8:43 am
YOW
-
BWI
16h 28m
1 stop
$322Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Multiple Airlines Logo
6:05 am - 5:13 pm
BWI
-
YOW
11h 08m
2 stops
Multiple Airlines Logo
4:15 pm - 8:43 am
YOW
-
BWI
16h 28m
1 stop
$339Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Multiple Airlines Logo
4:05 pm - 12:25 am
BWI
-
YOW
8h 20m
1 stop
Multiple Airlines Logo
6:45 am - 9:14 am
YOW
-
BWI
26h 29m
2 stops
$340Multiple Airlines
Fri, Apr 10 - Mon, Apr 13
Multiple Airlines Logo
4:05 pm - 12:25 am
BWI
-
YOW
8h 20m
1 stop
Multiple Airlines Logo
7:00 am - 9:14 am
YOW
-
BWI
26h 14m
1 stop
$347Multiple Airlines
Fri, Apr 10 - Mon, Apr 13
Multiple Airlines Logo
12:30 pm - 12:25 am
BWI
-
YOW
11h 55m
1 stop
Multiple Airlines Logo
4:15 pm - 9:06 am
YOW
-
BWI
16h 51m
1 stop
$349Multiple Airlines
Tue, Feb 24 - Mon, Mar 2
Multiple Airlines Logo
10:06 am - 12:25 am
BWI
-
YOW
14h 19m
1 stop
Multiple Airlines Logo
4:15 pm - 9:06 am
YOW
-
BWI
16h 51m
1 stop
$351Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
6:00 am - 5:25 pm
BWI
-
YOW
35h 25m
2 stops
Multiple Airlines Logo
7:00 am - 7:01 pm
YOW
-
BWI
12h 01m
1 stop
$356Multiple Airlines
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
9:04 pm - 5:25 pm
BWI
-
YOW
20h 21m
1 stop
Multiple Airlines Logo
4:20 pm - 3:58 pm
YOW
-
BWI
23h 38m
2 stops
$361Multiple Airlines
Mon, Mar 2 - Fri, Mar 6
Multiple Airlines Logo
12:30 pm - 12:25 am
BWI
-
YOW
11h 55m
1 stop
Multiple Airlines Logo
3:55 pm - 8:24 am
YOW
-
BWI
16h 29m
2 stops
$363Multiple Airlines
Tue, Feb 24 - Wed, Feb 25
Multiple Airlines Logo
12:30 pm - 12:25 am
BWI
-
YOW
11h 55m
1 stop
Multiple Airlines Logo
3:55 pm - 8:24 am
YOW
-
BWI
16h 29m
2 stops
$365Multiple Airlines
Mon, Feb 23 - Wed, Feb 25

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 February 4, 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

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 4/14

4:05 pm-5:25 pm

1 stop25h 20m

Ottawa

Fri 4/17

4:15 pm-8:43 am

1 stop16h 28m

$322

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 4/14

6:05 am-5:13 pm

2 stops11h 08m

Ottawa

Fri 4/17

4:15 pm-8:43 am

1 stop16h 28m

$339

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 4/10

4:05 pm-12:25 am

1 stop8h 20m

Ottawa

Mon 4/13

6:45 am-9:14 am

2 stops26h 29m

$340

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 4/10

4:05 pm-12:25 am

1 stop8h 20m

Ottawa

Mon 4/13

7:00 am-9:14 am

1 stop26h 14m

$347

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/24

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Mon 3/2

4:15 pm-9:06 am

1 stop16h 51m

$349

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 2/19

10:06 am-12:25 am

1 stop14h 19m

Ottawa

Mon 2/23

4:15 pm-9:06 am

1 stop16h 51m

$351

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 3/1

6:00 am-5:25 pm

2 stops35h 25m

Ottawa

Thu 3/5

7:00 am-7:01 pm

1 stop12h 01m

$356

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 3/2

9:04 pm-5:25 pm

1 stop20h 21m

Ottawa

Fri 3/6

4:20 pm-3:58 pm

2 stops23h 38m

$361

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/24

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Wed 2/25

3:55 pm-8:24 am

2 stops16h 29m

$363

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 2/23

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Wed 2/25

3:55 pm-8:24 am

2 stops16h 29m

$365

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 Ottawa from

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 Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $436. 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 $503.

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 $464. 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 afternoon when prices are $637 on average. Flights to Ottawa from Baltimore in the afternoon 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

8h 00m

Direct flights

None
The fastest flight from Baltimore to Ottawa takes 8h 00m
There are no direct flights from Baltimore to Ottawa. There are no popular flight routes from Baltimore to Ottawa.
Search flight deals

  • 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 8h 00m, 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
Calabogie
Brockville
Petawawa
Smiths Falls
Perth
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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