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Cheap flights from Ontario to Washington, D.C. from $133

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 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
12:50 pm - 8:16 pmYYZ-BWI
7h 26m1 stop
Multiple Airlines Logo
9:43 pm - 2:20 pmBWI-YYZ
16h 37m1 stop
$211Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
8:20 pm - 7:42 amYYZ-BWI
11h 22m1 stop
Multiple Airlines Logo
9:43 pm - 11:43 amBWI-YYZ
14h 00m1 stop
$223Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
7:15 am - 9:22 amYYZ-BWI
26h 07m1 stop
Multiple Airlines Logo
10:40 am - 12:11 amBWI-YYZ
13h 31m1 stop
$227Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
8:20 pm - 7:42 amYYZ-BWI
11h 22m1 stop
Multiple Airlines Logo
10:40 am - 12:11 amBWI-YYZ
13h 31m1 stop
$229Multiple Airlines
Find Deal
Fri, Dec 12 - Tue, Dec 16
United Airlines Logo
6:52 am - 2:07 pmYOW-BWI
7h 15m1 stop
United Airlines Logo
3:44 pm - 9:14 pmBWI-YOW
5h 30m1 stop
$574United Airlines
Find Deal
Tue, Apr 28 - Wed, Apr 29
United Airlines Logo
10:35 am - 9:33 pmYOW-BWI
10h 58m1 stop
United Airlines Logo
6:30 am - 4:50 pmBWI-YOW
10h 20m1 stop
$575United Airlines
Find Deal
Tue, Apr 28 - Wed, Apr 29
WestJet Logo
5:55 am - 10:54 pmYOW-BWI
16h 59m2 stops
WestJet Logo
2:10 pm - 12:22 amBWI-YOW
10h 12m2 stops
$670WestJet
Find Deal
Tue, Apr 28 - Wed, Apr 29
Delta Logo
5:40 am - 4:40 pmYOW-BWI
11h 00m2 stops
Delta Logo
12:00 pm - 12:42 amBWI-YOW
12h 42m2 stops
$682Delta
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Thu, Jan 15 - Mon, Jan 19
Delta Logo
5:40 am - 4:40 pmYOW-BWI
11h 00m2 stops
Delta Logo
12:00 pm - 12:42 amBWI-YOW
12h 42m2 stops
$683Delta
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Thu, Jan 15 - Mon, Jan 19
WestJet Logo
5:55 am - 3:51 pmYOW-BWI
9h 56m2 stops
WestJet Logo
2:10 pm - 12:22 amBWI-YOW
10h 12m2 stops
$696WestJet
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Tue, Apr 28 - Wed, Apr 29

United Airlines flights from Region of Ontario to Baltimore

Our best United Airlines deals on Region of Ontario to Baltimore flight tickets
United Airlines
Apr 28
YOW6:52 amOttawa
7h 15m
1 stop
BWI2:07 pmBaltimore/Washington
Apr 29
BWI3:44 pmBaltimore/Washington
5h 30m
1 stop
YOW9:14 pmOttawa
$574
Find similar
United Airlines
Apr 28
YOW10:35 amOttawa
10h 58m
1 stop
BWI9:33 pmBaltimore/Washington
Apr 29
BWI6:30 amBaltimore/Washington
10h 20m
1 stop
YOW4:50 pmOttawa
$575
Find similar
United Airlines
Jan 15
YOW6:20 amOttawa
7h 51m
1 stop
BWI2:11 pmBaltimore/Washington
Jan 19
BWI10:05 amBaltimore/Washington
11h 13m
1 stop
YOW9:18 pmOttawa
$590
Find similar

WestJet flights from Region of Ontario to Baltimore

Our best WestJet deals on Region of Ontario to Baltimore flight tickets
WestJet
Nov 21
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
6h 15m
1 stop
BWI11:00 pmBaltimore/Washington
Nov 25
BWI6:00 amBaltimore/Washington
5h 40m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
$623
Find similar
WestJet
Nov 22
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
5h 46m
1 stop
BWI12:46 pmBaltimore/Washington
Nov 23
BWI6:00 amBaltimore/Washington
5h 40m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
$629
Find similar
WestJet
Nov 21
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
5h 37m
1 stop
BWI6:22 pmBaltimore/Washington
Nov 28
BWI6:00 amBaltimore/Washington
13h 51m
1 stop
YUL7:51 pmMontreal Pierre Elliott Trudeau Intl
$643
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 832,500 searches. Data last updated November 9, 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

Fri 12/12

12:50 pm-8:16 pm

1 stop7h 26m

Baltimore/Washington

Sun 12/14

9:43 pm-2:20 pm

1 stop16h 37m

$211

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 12/12

8:20 pm-7:42 am

1 stop11h 22m

Baltimore/Washington

Sun 12/14

9:43 pm-11:43 am

1 stop14h 00m

$223

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 12/9

7:15 am-9:22 am

1 stop26h 07m

Baltimore/Washington

Tue 12/16

10:40 am-12:11 am

1 stop13h 31m

$227

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 12/12

8:20 pm-7:42 am

1 stop11h 22m

Baltimore/Washington

Tue 12/16

10:40 am-12:11 am

1 stop13h 31m

$229

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 4/28

6:52 am-2:07 pm

1 stop7h 15m

Baltimore/Washington

Wed 4/29

3:44 pm-9:14 pm

1 stop5h 30m

$574

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 4/28

10:35 am-9:33 pm

1 stop10h 58m

Baltimore/Washington

Wed 4/29

6:30 am-4:50 pm

1 stop10h 20m

$575

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 4/28

5:55 am-10:54 pm

2 stops16h 59m

Baltimore/Washington

Wed 4/29

2:10 pm-12:22 am

2 stops10h 12m

$670

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 1/15

5:40 am-4:40 pm

2 stops11h 00m

Baltimore/Washington

Mon 1/19

12:00 pm-12:42 am

2 stops12h 42m

$682

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 1/15

5:40 am-4:40 pm

2 stops11h 00m

Baltimore/Washington

Mon 1/19

12:00 pm-12:42 am

2 stops12h 42m

$683

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 4/28

5:55 am-3:51 pm

2 stops9h 56m

Baltimore/Washington

Wed 4/29

2:10 pm-12:22 am

2 stops10h 12m

$696

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?

If you’re not able to fly to Baltimore in February, then January is your next best option. Flight prices from Region of Ontario to Baltimore during January average around $338.

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 $398 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 $254 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?

    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 Ontario to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington 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 Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $158Free CancellationRating
7.1
10,429 reviews
Search Air Canada flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,001 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,156 reviews
Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Baltimore. momondo saves you time and could save you money on your trip.

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?

Once you have performed a search for Ontario to Baltimore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Ontario to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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