Which airlines fly to Baltimore?

Air Canada, Porter Airlines and United 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 61% of people opting to fly with this airline when travelling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

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 refresh daily.

How many operators does momondo search for flights from Ottawa Airport to Baltimore/Washington Airport?

As of December 2025, there are 2 operators available to choose from for flights from Ottawa Airport to Baltimore/Washington Airport.

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

C$ 194 Cheap Flights from Ottawa to Baltimore in 2025/26

1 adult

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Find the cheapest flights from Ottawa to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 a.m. - 11:59 p.m.

YOW

BWI

16h 59m1 stop

7:52 p.m. - 5:15 p.m.

BWI

YOW

21h 23m1 stop

C$ 329Multiple Airlines

Thu, 22 Jan - Sun, 25 Jan

7:00 a.m. - 11:59 p.m.

YOW

BWI

16h 59m1 stop

7:52 p.m. - 5:15 p.m.

BWI

YOW

21h 23m1 stop

C$ 339Multiple Airlines

Thu, 22 Jan - Sun, 25 Jan

7:00 a.m. - 11:34 p.m.

YOW

BWI

16h 34m1 stop

9:58 p.m. - 5:13 p.m.

BWI

YOW

19h 15m1 stop

C$ 346Multiple Airlines

Thu, 15 Jan - Sun, 18 Jan

7:00 a.m. - 11:59 p.m.

YOW

BWI

16h 59m1 stop

5:47 p.m. - 12:42 a.m.

BWI

YOW

30h 55m2 stops

C$ 351Multiple Airlines

Thu, 22 Jan - Sun, 25 Jan

7:00 a.m. - 11:36 p.m.

YOW

BWI

16h 36m1 stop

9:18 p.m. - 5:15 p.m.

BWI

YOW

19h 57m1 stop

C$ 357Multiple Airlines

Wed, 4 Feb - Sun, 8 Feb

7:00 a.m. - 11:59 p.m.

YOW

BWI

16h 59m1 stop

5:47 p.m. - 12:42 a.m.

BWI

YOW

30h 55m2 stops

C$ 361Multiple Airlines

Thu, 22 Jan - Sun, 25 Jan

4:15 p.m. - 8:31 a.m.

YOW

BWI

16h 16m1 stop

11:30 a.m. - 5:13 p.m.

BWI

YOW

29h 43m1 stop

C$ 363Multiple Airlines

Sun, 25 Jan - Tue, 27 Jan

4:15 p.m. - 8:31 a.m.

YOW

BWI

16h 16m1 stop

1:00 p.m. - 12:25 a.m.

BWI

YOW

11h 25m1 stop

C$ 377Multiple Airlines

Wed, 4 Feb - Wed, 11 Feb

7:00 a.m. - 11:36 p.m.

YOW

BWI

16h 36m1 stop

9:55 p.m. - 5:25 p.m.

BWI

YOW

43h 30m2 stops

C$ 388Multiple Airlines

Wed, 4 Feb - Sun, 8 Feb

7:00 a.m. - 11:59 p.m.

YOW

BWI

16h 59m1 stop

8:08 p.m. - 12:25 a.m.

BWI

YOW

28h 17m2 stops

C$ 390Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

WestJet flights from Ottawa to Baltimore

Our best WestJet deals on Ottawa to Baltimore flight tickets

WestJet

22 Jan

YOW5:40 a.m.Ottawa

10h 58m

2 stops

BWI4:38 p.m.Baltimore/Washington

25 Jan

BWI8:45 a.m.Baltimore/Washington

15h 57m

2 stops

YOW12:42 a.m.Ottawa

C$ 899

Find similar

WestJet

29 Jan

YOW5:40 a.m.Ottawa

10h 58m

2 stops

BWI4:38 p.m.Baltimore/Washington

5 Feb

BWI11:45 a.m.Baltimore/Washington

12h 54m

2 stops

YOW12:39 a.m.Ottawa

C$ 909

Find similar

WestJet

25 Jan

YOW5:40 a.m.Ottawa

17h 25m

2 stops

BWI11:05 p.m.Baltimore/Washington

27 Jan

BWI11:45 a.m.Baltimore/Washington

12h 57m

2 stops

YOW12:42 a.m.Ottawa

C$ 951

Find similar

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets

United Airlines

2 Feb

YOW6:20 a.m.Ottawa

15h 01m

1 stop

BWI9:21 p.m.Baltimore/Washington

3 Feb

BWI10:05 a.m.Baltimore/Washington

7h 07m

1 stop

YOW5:12 p.m.Ottawa

C$ 816

Find similar

United Airlines

15 Jan

YOW6:20 a.m.Ottawa

7h 51m

1 stop

BWI2:11 p.m.Baltimore/Washington

19 Jan

BWI10:05 a.m.Baltimore/Washington

11h 13m

1 stop

YOW9:18 p.m.Ottawa

C$ 874

Find similar

United Airlines

15 Jan

YOW6:20 a.m.Ottawa

15h 01m

1 stop

BWI9:21 p.m.Baltimore/Washington

19 Jan

BWI10:05 a.m.Baltimore/Washington

11h 13m

1 stop

YOW9:18 p.m.Ottawa

C$ 907

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 22/1

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Sun 25/1

7:52 p.m.-5:15 p.m.

1 stop21h 23m

C$ 329

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 22/1

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Sun 25/1

7:52 p.m.-5:15 p.m.

1 stop21h 23m

C$ 339

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 15/1

7:00 a.m.-11:34 p.m.

1 stop16h 34m

Baltimore/Washington

Sun 18/1

9:58 p.m.-5:13 p.m.

1 stop19h 15m

C$ 346

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 22/1

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Sun 25/1

5:47 p.m.-12:42 a.m.

2 stops30h 55m

C$ 351

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 4/2

7:00 a.m.-11:36 p.m.

1 stop16h 36m

Baltimore/Washington

Sun 8/2

9:18 p.m.-5:15 p.m.

1 stop19h 57m

C$ 357

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 22/1

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Sun 25/1

5:47 p.m.-12:42 a.m.

2 stops30h 55m

C$ 361

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sun 25/1

4:15 p.m.-8:31 a.m.

1 stop16h 16m

Baltimore/Washington

Tue 27/1

11:30 a.m.-5:13 p.m.

1 stop29h 43m

C$ 363

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 4/2

4:15 p.m.-8:31 a.m.

1 stop16h 16m

Baltimore/Washington

Wed 11/2

1:00 p.m.-12:25 a.m.

1 stop11h 25m

C$ 377

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 4/2

7:00 a.m.-11:36 p.m.

1 stop16h 36m

Baltimore/Washington

Sun 8/2

9:55 p.m.-5:25 p.m.

2 stops43h 30m

C$ 388

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 29/1

7:00 a.m.-11:59 p.m.

1 stop16h 59m

Baltimore/Washington

Thu 5/2

8:08 p.m.-12:25 a.m.

2 stops28h 17m

C$ 390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Baltimore?

According to our data, Wednesday is the cheapest day to fly to Baltimore from Ottawa. The lowest ticket price found for a Wednesday departure recently was C$ 452. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,031.

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

In the evening is the cheapest time of day to fly from Ottawa to Baltimore when you can find flight prices for as low as C$ 502. Flying to Baltimore in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Baltimore is in the afternoon when prices are around C$ 885.

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	10h 58m
Direct flights	None

The fastest flight from Ottawa to Baltimore takes 10h 58m

There are no direct flights from Ottawa to Baltimore. There are no popular flight routes from Ottawa to Baltimore.

Search flight deals

How far is Ottawa to Baltimore/Washington by plane?
There are 684.7 km between Ottawa and Baltimore/Washington. Flights usually cover this in 10h 58m, depending on flying conditions and air traffic around both airports.
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 refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Baltimore/Washington Airport?
As of December 2025, there are 2 operators available to choose from for flights from Ottawa Airport to Baltimore/Washington Airport.
How old do you have to be to fly from Ottawa Airport to Baltimore/Washington 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 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.
What is the most popular airline from Ottawa to Baltimore?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Baltimore is United Airlines (58% of total bookings). The next most popular airline is Porter Airlines (42%).

Best airlines flying from Ottawa to Baltimore

Compare and see reviews for airlines that fly from Ottawa to Baltimore with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 331	Free Cancellation	Rating 8.0 399 reviews		Search Porter Airlines flights
United Airlines	PriceFrom C$ 429	Free Cancellation	Rating 7.4 9,109 reviews		Search United Airlines flights

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Baltimore.

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

If you are not ready to book a flight from Ottawa to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.