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 60% 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.

What is the cheapest airline that flies from Ottawa to Baltimore/Washington?

United Airlines, WestJet, and Delta are the most popular carriers operating from Ottawa to Baltimore/Washington

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 August 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$ 254 Cheap Flights from Ottawa to Baltimore in 2025

Q: What is the typical price of a round-trip flight between Ottawa and Baltimore?

Prices are currently high for flights on this route. Typical prices usually range from C$ 362 to C$ 538. The lowest price recently found on this route was C$ 560.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

3:50 p.m. - 10:59 p.m.YOW-BWI

31h 09m2 stops

7:54 p.m. - 5:20 p.m.BWI-YOW

21h 26m1 stop

C$ 560

Find Deal

Fri, 22 Aug - Mon, 25 Aug

3:50 p.m. - 9:10 a.m.YOW-BWI

17h 20m1 stop

7:54 p.m. - 5:20 p.m.BWI-YOW

21h 26m1 stop

C$ 561

Find Deal

Fri, 22 Aug - Mon, 25 Aug

4:25 p.m. - 11:44 a.m.YOW-BWI

19h 19m1 stop

7:54 p.m. - 5:20 p.m.BWI-YOW

21h 26m1 stop

C$ 571

Find Deal

Thu, 21 Aug - Mon, 25 Aug

3:50 p.m. - 9:10 a.m.YOW-BWI

17h 20m1 stop

6:37 a.m. - 5:20 p.m.BWI-YOW

10h 43m1 stop

C$ 588

Find Deal

Fri, 22 Aug - Mon, 25 Aug

7:00 a.m. - 11:25 p.m.YOW-BWI

16h 25m2 stops

6:50 a.m. - 5:20 p.m.BWI-YOW

10h 30m1 stop

C$ 592

Find Deal

Mon, 15 Sep - Mon, 22 Sep

4:25 p.m. - 11:44 a.m.YOW-BWI

19h 19m1 stop

9:57 p.m. - 5:20 p.m.BWI-YOW

19h 23m2 stops

C$ 596

Find Deal

Thu, 21 Aug - Mon, 25 Aug

7:00 a.m. - 11:08 p.m.YOW-BWI

16h 08m2 stops

6:37 a.m. - 5:20 p.m.BWI-YOW

10h 43m1 stop

C$ 617

Find Deal

Thu, 28 Aug - Fri, 29 Aug

3:50 p.m. - 9:32 a.m.YOW-BWI

17h 42m1 stop

8:28 p.m. - 12:22 a.m.BWI-YOW

27h 54m2 stops

C$ 625

Find Deal

Fri, 17 Oct - Sun, 19 Oct

6:20 a.m. - 5:14 p.m.YOW-BWI

10h 54m1 stop

6:15 a.m. - 9:18 p.m.BWI-YOW

15h 03m1 stop

C$ 785United Airlines

Find Deal

Wed, 19 Nov - Mon, 24 Nov

6:33 a.m. - 1:48 p.m.YOW-BWI

7h 15m1 stop

6:15 a.m. - 5:06 p.m.BWI-YOW

10h 51m1 stop

C$ 787United Airlines

Find Deal

Wed, 17 Sep - Sat, 20 Sep

United Airlines flights from Ottawa to Baltimore

Our best United Airlines deals on Ottawa to Baltimore flight tickets

United Airlines

19 Nov

YOW6:20 a.m.Ottawa

10h 54m

1 stop

BWI5:14 p.m.Baltimore/Washington

24 Nov

BWI6:15 a.m.Baltimore/Washington

15h 03m

1 stop

YOW9:18 p.m.Ottawa

C$ 785

Find similar

United Airlines

17 Sep

YOW6:33 a.m.Ottawa

7h 15m

1 stop

BWI1:48 p.m.Baltimore/Washington

20 Sep

BWI6:15 a.m.Baltimore/Washington

10h 51m

1 stop

YOW5:06 p.m.Ottawa

C$ 787

Find similar

United Airlines

19 Nov

YOW6:20 a.m.Ottawa

10h 54m

1 stop

BWI5:14 p.m.Baltimore/Washington

24 Nov

BWI10:56 a.m.Baltimore/Washington

10h 22m

1 stop

YOW9:18 p.m.Ottawa

C$ 788

Find similar

WestJet flights from Ottawa to Baltimore

Our best WestJet deals on Ottawa to Baltimore flight tickets

WestJet

15 Aug

YOW5:55 a.m.Ottawa

17h 22m

2 stops

BWI11:17 p.m.Baltimore/Washington

18 Aug

BWI1:35 p.m.Baltimore/Washington

10h 47m

2 stops

YOW12:22 a.m.Ottawa

C$ 1,001

Find similar

WestJet

8 Aug

YOW5:55 a.m.Ottawa

17h 23m

2 stops

BWI11:18 p.m.Baltimore/Washington

11 Aug

BWI11:40 a.m.Baltimore/Washington

13h 01m

2 stops

YOW12:41 a.m.Ottawa

C$ 1,235

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 22/8

3:50 p.m.-10:59 p.m.

2 stops31h 09m

Baltimore/Washington

Mon 25/8

7:54 p.m.-5:20 p.m.

1 stop21h 26m

C$ 560

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 22/8

3:50 p.m.-9:10 a.m.

1 stop17h 20m

Baltimore/Washington

Mon 25/8

7:54 p.m.-5:20 p.m.

1 stop21h 26m

C$ 561

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 21/8

4:25 p.m.-11:44 a.m.

1 stop19h 19m

Baltimore/Washington

Mon 25/8

7:54 p.m.-5:20 p.m.

1 stop21h 26m

C$ 571

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 22/8

3:50 p.m.-9:10 a.m.

1 stop17h 20m

Baltimore/Washington

Mon 25/8

6:37 a.m.-5:20 p.m.

1 stop10h 43m

C$ 588

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 15/9

7:00 a.m.-11:25 p.m.

2 stops16h 25m

Baltimore/Washington

Mon 22/9

6:50 a.m.-5:20 p.m.

1 stop10h 30m

C$ 592

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 21/8

4:25 p.m.-11:44 a.m.

1 stop19h 19m

Baltimore/Washington

Mon 25/8

9:57 p.m.-5:20 p.m.

2 stops19h 23m

C$ 596

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 28/8

7:00 a.m.-11:08 p.m.

2 stops16h 08m

Baltimore/Washington

Fri 29/8

6:37 a.m.-5:20 p.m.

1 stop10h 43m

C$ 617

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 17/10

3:50 p.m.-9:32 a.m.

1 stop17h 42m

Baltimore/Washington

Sun 19/10

8:28 p.m.-12:22 a.m.

2 stops27h 54m

C$ 625

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 19/11

6:20 a.m.-5:14 p.m.

1 stop10h 54m

Baltimore/Washington

Mon 24/11

6:15 a.m.-9:18 p.m.

1 stop15h 03m

C$ 785

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 17/9

6:33 a.m.-1:48 p.m.

1 stop7h 15m

Baltimore/Washington

Sat 20/9

6:15 a.m.-5:06 p.m.

1 stop10h 51m

C$ 787

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 typical price of a round-trip flight between Ottawa and Baltimore?

What is the cheapest month to fly to Baltimore?

The cheapest month to fly to Baltimore from Ottawa is in April. Flight prices, which tend to average around C$ 225, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Baltimore from Ottawa during June instead. Flights to Baltimore in June, while not as cheap as those in April, still average around C$ 344.

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$ 454. 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$ 1,035.

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$ 504. 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$ 888.

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

Best price found	C$ 318
Fastest flight time	6h 49m
Direct flights	None
Airports in Baltimore	1 airport

The best one-way flight to Baltimore from Ottawa in the past 72 hours is C$ 318. The best round-trip flight deal from Ottawa to Baltimore found on momondo in the last 72 hours is C$ 560.

The fastest flight from Ottawa to Baltimore takes 6h 49m

There are no direct flights from Ottawa to Baltimore. Popular non-direct route for this connection is Ottawa Airport - Baltimore/Washington Airport.

There is 1 airport near Baltimore: Baltimore/Washington (BWI)

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 6h 49m, 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 August 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 (54% of total bookings). The next most popular airline is Porter Airlines (46%).

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$ 333	Free Cancellation	Rating 8.0 318 reviews		Search Porter Airlines flights
United Airlines	PriceFrom C$ 454	Free Cancellation	Rating 7.4 8,904 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.