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Cheap flights from Ontario to Washington, D.C. from $174

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 7/14. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
9:30 am - 12:25 pm
YYZ
-
BWI
26h 55m
1 stop
Multiple Airlines Logo
1:20 pm - 3:00 pm
BWI
-
YYZ
25h 40m
1 stop
$349Multiple Airlines
Tue, Aug 18 - Sat, Aug 22
Multiple Airlines Logo
9:30 am - 12:25 pm
YYZ
-
BWI
26h 55m
1 stop
Multiple Airlines Logo
1:20 pm - 7:44 pm
BWI
-
YYZ
30h 24m
2 stops
$351Multiple Airlines
Tue, Aug 18 - Sun, Aug 23
Multiple Airlines Logo
9:30 am - 12:25 pm
YYZ
-
BWI
26h 55m
1 stop
Multiple Airlines Logo
1:20 pm - 3:00 pm
BWI
-
YYZ
25h 40m
1 stop
$359Multiple Airlines
Mon, Aug 17 - Sat, Aug 22
Multiple Airlines Logo
6:30 am - 12:10 pm
YYZ
-
BWI
29h 40m
1 stop
Multiple Airlines Logo
5:21 pm - 8:05 pm
BWI
-
YYZ
26h 44m
1 stop
$360Multiple Airlines
Tue, Jul 14 - Tue, Jul 28
Delta Logo
7:00 am - 5:28 pm
YUL
-
BWI
10h 28m
1 stop
Delta Logo
2:03 pm - 11:59 pm
BWI
-
YUL
9h 56m
1 stop
$391Delta
Fri, Sep 18 - Sat, Oct 3
Delta Logo
7:00 am - 3:46 pm
YUL
-
BWI
8h 46m
1 stop
Delta Logo
6:00 am - 1:41 pm
BWI
-
YUL
7h 41m
1 stop
$394Delta
Fri, Sep 4 - Mon, Sep 7
WestJet Logo
8:00 pm - 10:47 am
YUL
-
BWI
14h 47m
2 stops
WestJet Logo
1:45 pm - 7:05 am
BWI
-
YUL
17h 20m
2 stops
$422WestJet
Tue, Jul 21 - Tue, Aug 11
WestJet Logo
6:51 pm - 10:57 am
YUL
-
BWI
16h 06m
1 stop
WestJet Logo
6:05 am - 11:40 pm
BWI
-
YUL
17h 35m
1 stop
$423WestJet
Tue, Aug 11 - Tue, Aug 18
United Airlines Logo
7:25 pm - 10:39 am
YTZ
-
BWI
15h 14m
1 stop
United Airlines Logo
6:00 am - 4:42 pm
BWI
-
YTZ
10h 42m
1 stop
$493United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
12:15 pm - 9:26 pm
YTZ
-
BWI
9h 11m
1 stop
United Airlines Logo
10:25 am - 4:42 pm
BWI
-
YTZ
6h 17m
1 stop
$515United Airlines
Thu, Aug 6 - Thu, Aug 13

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United Airlines flights from Region of Ontario to Baltimore

Our best United Airlines deals on Region of Ontario to Baltimore flight tickets
United Airlines
Aug 6
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
13h 34m
1 stop
BWI11:19 pmBaltimore/Washington
Aug 13
BWI10:25 amBaltimore/Washington
7h 05m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
$437
United Airlines
Jul 16
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
14h 43m
1 stop
BWI12:28 amBaltimore/Washington
Jul 19
BWI6:15 amBaltimore/Washington
15h 11m
1 stop
YUL9:26 pmMontreal Pierre Elliott Trudeau Intl
$456
United Airlines
Aug 28
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
11h 44m
1 stop
BWI9:29 pmBaltimore/Washington
Aug 31
BWI8:10 amBaltimore/Washington
9h 20m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
$477

Delta flights from Region of Ontario to Baltimore

Our best Delta deals on Region of Ontario to Baltimore flight tickets
Delta
Oct 15
YYZ2:15 pmToronto Pearson Intl
8h 40m
1 stop
BWI10:55 pmBaltimore/Washington
Nov 11
BWI11:00 amBaltimore/Washington
6h 22m
1 stop
YYZ5:22 pmToronto Pearson Intl
$383
Delta
Sep 18
YYZ6:10 pmToronto Pearson Intl
4h 51m
1 stop
BWI11:01 pmBaltimore/Washington
Sep 20
BWI6:15 amBaltimore/Washington
7h 19m
1 stop
YYZ1:34 pmToronto Pearson Intl
$386
Delta
Sep 2
YYZ12:09 pmToronto Pearson Intl
4h 40m
1 stop
BWI4:49 pmBaltimore/Washington
Sep 8
BWI5:40 pmBaltimore/Washington
5h 19m
1 stop
YYZ10:59 pmToronto Pearson Intl
$391

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 June 23, 2026.
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

Cheapest round-trip

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 8/18

9:30 am-12:25 pm

1 stop26h 55m

Baltimore/Washington

Sat 8/22

1:20 pm-3:00 pm

1 stop25h 40m

$349

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 8/18

9:30 am-12:25 pm

1 stop26h 55m

Baltimore/Washington

Sun 8/23

1:20 pm-7:44 pm

2 stops30h 24m

$351

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 8/17

9:30 am-12:25 pm

1 stop26h 55m

Baltimore/Washington

Sat 8/22

1:20 pm-3:00 pm

1 stop25h 40m

$359

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 7/14

6:30 am-12:10 pm

1 stop29h 40m

Baltimore/Washington

Tue 7/28

5:21 pm-8:05 pm

1 stop26h 44m

$360

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

7:00 am-5:28 pm

1 stop10h 28m

Baltimore/Washington

Sat 10/3

2:03 pm-11:59 pm

1 stop9h 56m

$391

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

7:00 am-3:46 pm

1 stop8h 46m

Baltimore/Washington

Mon 9/7

6:00 am-1:41 pm

1 stop7h 41m

$394

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

8:00 pm-10:47 am

2 stops14h 47m

Baltimore/Washington

Tue 8/11

1:45 pm-7:05 am

2 stops17h 20m

$422

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 8/11

6:51 pm-10:57 am

1 stop16h 06m

Baltimore/Washington

Tue 8/18

6:05 am-11:40 pm

1 stop17h 35m

$423

TorontoBaltimore

YTZ - BWI

YTZBWI

Toronto Island

Sat 9/19

7:25 pm-10:39 am

1 stop15h 14m

Baltimore/Washington

Wed 9/23

6:00 am-4:42 pm

1 stop10h 42m

$493
Quickest round-trip

TorontoBaltimore

YTZ - BWI

YTZBWI

Toronto Island

Thu 8/6

12:15 pm-9:26 pm

1 stop9h 11m

Baltimore/Washington

Thu 8/13

10:25 am-4:42 pm

1 stop6h 17m

$515

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 October, then July is your next best option. Flight prices from Region of Ontario to Baltimore during July average around $160.

Can stopping save me money on Region of Ontario to Baltimore flights?

You could potentially save up to 51% on your flight if you consider stops on a Region of Ontario to Baltimore flight.

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

Fastest flight time

3h 35m

Direct flights

None
The fastest flight from Region of Ontario to Baltimore takes 3h 35m
There are no direct flights from Region of Ontario to Baltimore. There are no popular flight routes from Region of Ontario to Baltimore.
Search flight deals

Frequently asked questions about flying from Ontario to Baltimore

  • 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.

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
DeltaPriceFrom $389Free CancellationRating
7.8
8,425 reviews
Search Delta flights
WestJetPriceFrom $498Free CancellationRating
7.2
3,379 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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