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Cheap flights from Baltimore to Ottawa from $166

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 6/2. 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
9:23 pm - 12:17 pm
BWI
-
YOW
38h 54m
2 stops
Multiple Airlines Logo
7:00 am - 9:01 am
YOW
-
BWI
26h 01m
1 stop
$433Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Multiple Airlines Logo
9:28 pm - 2:33 pm
BWI
-
YOW
17h 05m
1 stop
Multiple Airlines Logo
7:00 am - 6:32 pm
YOW
-
BWI
11h 32m
2 stops
$476Multiple Airlines
Fri, Jul 17 - Wed, Jul 22
Multiple Airlines Logo
8:52 am - 12:15 pm
BWI
-
YOW
27h 23m
2 stops
Multiple Airlines Logo
7:00 am - 8:56 pm
YOW
-
BWI
13h 56m
1 stop
$486Multiple Airlines
Sat, May 30 - Sat, Jun 13
Multiple Airlines Logo
9:28 pm - 8:40 pm
BWI
-
YOW
23h 12m
2 stops
Multiple Airlines Logo
4:15 pm - 9:04 am
YOW
-
BWI
16h 49m
1 stop
$578Multiple Airlines
Sat, Jul 25 - Mon, Aug 3
Multiple Airlines Logo
7:07 pm - 12:20 pm
BWI
-
YOW
17h 13m
2 stops
Multiple Airlines Logo
7:00 am - 12:15 pm
YOW
-
BWI
29h 15m
1 stop
$598Multiple Airlines
Thu, Jul 9 - Mon, Jul 13
Multiple Airlines Logo
9:32 pm - 5:40 pm
BWI
-
YOW
20h 08m
2 stops
Multiple Airlines Logo
7:00 am - 8:33 pm
YOW
-
BWI
13h 33m
1 stop
$606Multiple Airlines
Sat, Aug 8 - Fri, Aug 14
Multiple Airlines Logo
9:30 pm - 2:33 pm
BWI
-
YOW
17h 03m
1 stop
Multiple Airlines Logo
2:20 pm - 7:36 am
YOW
-
BWI
17h 16m
2 stops
$625Multiple Airlines
Fri, Jun 26 - Sat, Jul 4
Multiple Airlines Logo
1:29 pm - 5:37 pm
BWI
-
YOW
28h 08m
2 stops
Multiple Airlines Logo
7:00 am - 8:56 pm
YOW
-
BWI
13h 56m
1 stop
$631Multiple Airlines
Sat, Jun 20 - Sat, Jun 27
Multiple Airlines Logo
9:28 pm - 2:33 pm
BWI
-
YOW
17h 05m
1 stop
Multiple Airlines Logo
2:20 pm - 7:36 am
YOW
-
BWI
17h 16m
2 stops
$642Multiple Airlines
Fri, Jul 17 - Sat, Aug 1
Multiple Airlines Logo
9:32 pm - 5:40 pm
BWI
-
YOW
20h 08m
2 stops
Multiple Airlines Logo
7:00 am - 8:33 pm
YOW
-
BWI
13h 33m
1 stop
$697Multiple Airlines
Tue, Aug 4 - Sat, Aug 8

United Airlines flights from Baltimore to Ottawa

Our best United Airlines deals on Baltimore to Ottawa flight tickets
United Airlines
Jul 14
BWI8:16 amBaltimore/Washington
5h 43m
1 stop
YOW1:59 pmOttawa
Jul 14
YOW5:20 pmOttawa
16h 07m
1 stop
BWI9:27 amBaltimore/Washington
$803
United Airlines
Jun 4
BWI8:25 amBaltimore/Washington
5h 34m
1 stop
YOW1:59 pmOttawa
Jun 11
YOW5:25 pmOttawa
7h 08m
1 stop
BWI12:33 amBaltimore/Washington
$846
United Airlines
Jun 18
BWI8:25 amBaltimore/Washington
8h 42m
1 stop
YOW5:07 pmOttawa
Jun 22
YOW6:25 amOttawa
7h 29m
1 stop
BWI1:54 pmBaltimore/Washington
$852

WestJet flights from Baltimore to Ottawa

Our best WestJet deals on Baltimore to Ottawa flight tickets
WestJet
May 30
BWI6:10 amBaltimore/Washington
11h 25m
2 stops
YOW5:35 pmOttawa
Jun 13
YOW6:55 amOttawa
14h 30m
2 stops
BWI9:25 pmBaltimore/Washington
$757
WestJet
Jun 2
BWI9:25 amBaltimore/Washington
14h 55m
2 stops
YOW12:20 amOttawa
Jun 9
YOW6:55 amOttawa
10h 24m
2 stops
BWI5:19 pmBaltimore/Washington
$778
WestJet
Jun 4
BWI6:10 amBaltimore/Washington
11h 25m
2 stops
YOW5:35 pmOttawa
Jun 11
YOW6:55 amOttawa
16h 23m
2 stops
BWI11:18 pmBaltimore/Washington
$790

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 May 7, 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

Fri 6/5

9:23 pm-12:17 pm

2 stops38h 54m

Ottawa

Fri 6/12

7:00 am-9:01 am

1 stop26h 01m

$433
Quickest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 7/17

9:28 pm-2:33 pm

1 stop17h 05m

Ottawa

Wed 7/22

7:00 am-6:32 pm

2 stops11h 32m

$476

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 5/30

8:52 am-12:15 pm

2 stops27h 23m

Ottawa

Sat 6/13

7:00 am-8:56 pm

1 stop13h 56m

$486

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 7/25

9:28 pm-8:40 pm

2 stops23h 12m

Ottawa

Mon 8/3

4:15 pm-9:04 am

1 stop16h 49m

$578

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 7/9

7:07 pm-12:20 pm

2 stops17h 13m

Ottawa

Mon 7/13

7:00 am-12:15 pm

1 stop29h 15m

$598

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 8/8

9:32 pm-5:40 pm

2 stops20h 08m

Ottawa

Fri 8/14

7:00 am-8:33 pm

1 stop13h 33m

$606

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 6/26

9:30 pm-2:33 pm

1 stop17h 03m

Ottawa

Sat 7/4

2:20 pm-7:36 am

2 stops17h 16m

$625

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 6/20

1:29 pm-5:37 pm

2 stops28h 08m

Ottawa

Sat 6/27

7:00 am-8:56 pm

1 stop13h 56m

$631

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 7/17

9:28 pm-2:33 pm

1 stop17h 05m

Ottawa

Sat 8/1

2:20 pm-7:36 am

2 stops17h 16m

$642

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 8/4

9:32 pm-5:40 pm

2 stops20h 08m

Ottawa

Sat 8/8

7:00 am-8:33 pm

1 stop13h 33m

$697

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 Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $471. 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 $518.

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 $469. 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 $908 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

7h 39m

Direct flights

None
The fastest flight from Baltimore to Ottawa takes 7h 39m
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 7h 39m, 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
Petawawa
Smiths Falls
Brockville
Calabogie
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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