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Cheap flights from Ontario to Washington, D.C. from C$ 189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Washington, D.C. departing on 14/12. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 p.m. - 7:42 a.m.YYZ-BWI
11h 42m1 stop
Multiple Airlines Logo
10:40 a.m. - 12:11 a.m.BWI-YYZ
13h 31m1 stop
C$ 319Multiple Airlines
Find Deal
Sun, 14 Dec - Tue, 16 Dec
Multiple Airlines Logo
7:15 a.m. - 8:16 p.m.YYZ-BWI
13h 01m1 stop
Multiple Airlines Logo
9:11 p.m. - 2:05 p.m.BWI-YYZ
16h 54m1 stop
C$ 326Multiple Airlines
Find Deal
Fri, 12 Dec - Mon, 15 Dec
Multiple Airlines Logo
5:15 p.m. - 12:23 a.m.YYZ-BWI
7h 08m1 stop
Multiple Airlines Logo
7:06 p.m. - 2:40 p.m.BWI-YYZ
19h 34m1 stop
C$ 336Multiple Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
Multiple Airlines Logo
5:15 p.m. - 7:42 a.m.YYZ-BWI
14h 27m1 stop
Multiple Airlines Logo
7:06 p.m. - 2:40 p.m.BWI-YYZ
19h 34m1 stop
C$ 339Multiple Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
Delta Logo
6:00 a.m. - 5:48 p.m.YUL-BWI
11h 48m2 stops
Delta Logo
6:05 a.m. - 3:57 p.m.BWI-YUL
9h 52m2 stops
C$ 680Delta
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Delta Logo
9:34 a.m. - 8:30 p.m.YUL-BWI
10h 56m2 stops
Delta Logo
6:05 a.m. - 3:57 p.m.BWI-YUL
9h 52m2 stops
C$ 681Delta
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Delta Logo
2:35 p.m. - 12:26 a.m.YUL-BWI
9h 51m1 stop
Delta Logo
6:00 a.m. - 11:40 a.m.BWI-YUL
5h 40m1 stop
C$ 742Delta
Find Deal
Sat, 22 Nov - Sat, 29 Nov
United Airlines Logo
9:25 a.m. - 8:57 p.m.YXU-BWI
11h 32m2 stops
United Airlines Logo
10:45 a.m. - 9:18 p.m.BWI-YXU
10h 33m2 stops
C$ 900United Airlines
Find Deal
Tue, 28 Apr - Thu, 30 Apr
United Airlines Logo
9:25 a.m. - 8:57 p.m.YXU-BWI
11h 32m2 stops
United Airlines Logo
10:45 a.m. - 9:18 p.m.BWI-YXU
10h 33m2 stops
C$ 901United Airlines
Find Deal
Tue, 28 Apr - Thu, 30 Apr
United Airlines Logo
9:25 a.m. - 4:58 p.m.YXU-BWI
7h 33m2 stops
United Airlines Logo
6:15 a.m. - 9:21 p.m.BWI-YXU
15h 06m2 stops
C$ 1,418United Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec

United Airlines flights from Region of Ontario to Baltimore

Our best United Airlines deals on Region of Ontario to Baltimore flight tickets
United Airlines
28 Apr
YXU9:25 a.m.London
11h 32m
2 stops
BWI8:57 p.m.Baltimore/Washington
30 Apr
BWI10:45 a.m.Baltimore/Washington
10h 33m
2 stops
YXU9:18 p.m.London
C$ 900
Find similar
United Airlines
28 Apr
YXU9:25 a.m.London
11h 32m
2 stops
BWI8:57 p.m.Baltimore/Washington
30 Apr
BWI10:45 a.m.Baltimore/Washington
10h 33m
2 stops
YXU9:18 p.m.London
C$ 901
Find similar
United Airlines
20 Dec
YXU9:25 a.m.London
7h 33m
2 stops
BWI4:58 p.m.Baltimore/Washington
27 Dec
BWI6:15 a.m.Baltimore/Washington
15h 06m
2 stops
YXU9:21 p.m.London
C$ 1,418
Find similar

Delta flights from Region of Ontario to Baltimore

Our best Delta deals on Region of Ontario to Baltimore flight tickets
Delta
15 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
11h 48m
2 stops
BWI5:48 p.m.Baltimore/Washington
19 Jan
BWI6:05 a.m.Baltimore/Washington
9h 52m
2 stops
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 680
Find similar
Delta
15 Jan
YUL9:34 a.m.Montreal Pierre Elliott Trudeau Intl
10h 56m
2 stops
BWI8:30 p.m.Baltimore/Washington
19 Jan
BWI6:05 a.m.Baltimore/Washington
9h 52m
2 stops
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 681
Find similar
Delta
22 Nov
YUL2:35 p.m.Montreal Pierre Elliott Trudeau Intl
9h 51m
1 stop
BWI12:26 a.m.Baltimore/Washington
29 Nov
BWI6:00 a.m.Baltimore/Washington
5h 40m
1 stop
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 742
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Baltimore 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 96,600 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Ontario to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sun 14/12

8:00 p.m.-7:42 a.m.

1 stop11h 42m

Baltimore/Washington

Tue 16/12

10:40 a.m.-12:11 a.m.

1 stop13h 31m

C$ 319

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 12/12

7:15 a.m.-8:16 p.m.

1 stop13h 01m

Baltimore/Washington

Mon 15/12

9:11 p.m.-2:05 p.m.

1 stop16h 54m

C$ 326

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-12:23 a.m.

1 stop7h 08m

Baltimore/Washington

Fri 12/12

7:06 p.m.-2:40 p.m.

1 stop19h 34m

C$ 336

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-7:42 a.m.

1 stop14h 27m

Baltimore/Washington

Fri 12/12

7:06 p.m.-2:40 p.m.

1 stop19h 34m

C$ 339

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:00 a.m.-5:48 p.m.

2 stops11h 48m

Baltimore/Washington

Mon 19/1

6:05 a.m.-3:57 p.m.

2 stops9h 52m

C$ 680

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

9:34 a.m.-8:30 p.m.

2 stops10h 56m

Baltimore/Washington

Mon 19/1

6:05 a.m.-3:57 p.m.

2 stops9h 52m

C$ 681

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

2:35 p.m.-12:26 a.m.

1 stop9h 51m

Baltimore/Washington

Sat 29/11

6:00 a.m.-11:40 a.m.

1 stop5h 40m

C$ 742

LondonBaltimore

YXU - BWI

YXUBWI

London

Tue 28/4

9:25 a.m.-8:57 p.m.

2 stops11h 32m

Baltimore/Washington

Thu 30/4

10:45 a.m.-9:18 p.m.

2 stops10h 33m

C$ 900

LondonBaltimore

YXU - BWI

YXUBWI

London

Tue 28/4

9:25 a.m.-8:57 p.m.

2 stops11h 32m

Baltimore/Washington

Thu 30/4

10:45 a.m.-9:18 p.m.

2 stops10h 33m

C$ 901

LondonBaltimore

YXU - BWI

YXUBWI

London

Sat 20/12

9:25 a.m.-4:58 p.m.

2 stops7h 33m

Baltimore/Washington

Sat 27/12

6:15 a.m.-9:21 p.m.

2 stops15h 06m

C$ 1,418

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 Washington, D.C. from

How to get the cheapest flight ticket from Region of Ontario 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

What is the cheapest month to fly to Baltimore?

The cheapest month to fly to Baltimore from Region of Ontario is in February. Flight prices, which tend to average around C$ 458, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Baltimore from Region of Ontario during January instead. Flights to Baltimore in January, while not as cheap as those in February, still average around C$ 477.

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

At noon is the cheapest time of day to fly from Region of Ontario to Baltimore when you can find flight prices for as low as C$ 484. Flying to Baltimore at noon 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$ 1,565.

What is the cheapest Ontario to Baltimore/Washington flight route?

Fly from Toronto Pearson Intl to Baltimore/Washington for the best Ontario - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

You are more likely to see cheaper flights to Baltimore from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around C$ 553 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Region of Ontario for as low as C$ 358 on momondo.

What cabin class options are available on Ontario to Baltimore/Washington flights?

There is only 1 cabin class available to choose from on Ontario to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Region of Ontario to Baltimore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Baltimore

Direct flights

None
There are no direct flights from Region of Ontario to Baltimore. There are no popular flight routes from Region of Ontario to Baltimore.
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  • When did momondo last update prices for flights from Ontario to Baltimore/Washington Airport?

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

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

  • How old do you have to be to fly from Ontario to Baltimore/Washington Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario 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 plane model from Region of Ontario to Baltimore?

Best airlines flying from Region of Ontario to Baltimore

Compare and see reviews for airlines that fly from Region of Ontario to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 204Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 244Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights
DeltaPriceFrom C$ 317Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom C$ 357Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
WestJetPriceFrom C$ 395Free CancellationRating
7.2
3,155 reviews
Search WestJet flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baltimore from Ontario.

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

Yes. momondo enables you to select and highlight flights to Baltimore from Ontario with this policy.

How can momondo help me find flights from Ontario 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 Ontario to Baltimore.

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

Price alerts on flights to Baltimore from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Airports servicing Maryland

Annapolis Airport