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Cheap flights from Ontario to Washington, D.C. from $150

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 9/21. 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
9:50 am - 8:31 amYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
22h 41m1 stop Orlando
Multiple Airlines Logo
1:55 pm - 8:55 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
31h 00m1 stop Fort Lauderdale
$327Multiple Airlines
Mon, Sep 14 - Wed, Sep 16
Multiple Airlines Logo
8:00 pm - 9:28 amYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
13h 28m1 stop Orlando
Multiple Airlines Logo
10:00 pm - 5:15 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
19h 15m1 stop Tampa
$346Multiple Airlines
Sun, Oct 25 - Sun, Nov 8
Multiple Airlines Logo
9:50 am - 8:31 amYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
22h 41m1 stop Orlando
Multiple Airlines Logo
1:55 pm - 4:55 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
27h 00m1 stop Fort Lauderdale
$351Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
9:50 am - 8:44 pmYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
10h 54m1 stop Orlando
Multiple Airlines Logo
9:25 pm - 8:55 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
23h 30m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
$355Multiple Airlines
Mon, Sep 14 - Wed, Sep 16
Delta Logo
6:10 pm - 11:04 pmYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
4h 54m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:10 am - 11:19 amBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
5h 09m1 stop Detroit Metropolitan Wayne County
$376Delta
Fri, Oct 30 - Sun, Nov 8
Delta Logo
6:10 pm - 11:01 pmYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
4h 51m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:10 am - 1:34 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
7h 24m1 stop Detroit Metropolitan Wayne County
$376Delta
Mon, Sep 21 - Mon, Sep 28
Delta Logo
12:09 pm - 4:49 pmYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
4h 40m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:40 pm - 10:59 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
5h 19m1 stop Detroit Metropolitan Wayne County
$376Delta
Sun, Sep 6 - Sun, Sep 13
WestJet Logo
6:15 am - 11:47 amYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
5h 32m1 stop Detroit Metropolitan Wayne County
WestJet Logo
6:10 am - 11:40 amBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
5h 30m1 stop Minneapolis St Paul
$513WestJet
Thu, Sep 3 - Mon, Sep 7
WestJet Logo
12:13 pm - 5:00 pmYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
4h 47m1 stop Detroit Metropolitan Wayne County
WestJet Logo
8:20 am - 5:23 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
9h 03m1 stop Atlanta Hartsfield-Jackson
$525WestJet
Sat, Sep 12 - Sun, Sep 13
WestJet Logo
6:15 am - 11:37 amYYZ  Toronto Pearson Intl-BWI Baltimore/Washington
5h 22m1 stop Detroit Metropolitan Wayne County
WestJet Logo
8:20 am - 5:23 pmBWI  Baltimore/Washington-YYZ Toronto Pearson Intl
9h 03m1 stop Atlanta Hartsfield-Jackson
$525WestJet
Sun, Sep 6 - Sun, Sep 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
Sep 18
YYZ9:00 pmToronto Pearson Intl
13h 30m
1 stop
BWI10:30 amBaltimore/Washington
Sep 20
BWI10:25 amBaltimore/Washington
7h 31m
1 stop
YYZ5:56 pmToronto Pearson Intl
$438
United Airlines
Oct 3
YYZ8:50 amToronto Pearson Intl
5h 08m
1 stop
BWI1:58 pmBaltimore/Washington
Oct 5
BWI7:05 pmBaltimore/Washington
4h 54m
1 stop
YYZ11:59 pmToronto Pearson Intl
$439
United Airlines
Sep 19
YYZ1:00 pmToronto Pearson Intl
8h 29m
1 stop
BWI9:29 pmBaltimore/Washington
Sep 20
BWI6:05 amBaltimore/Washington
7h 37m
1 stop
YYZ1:42 pmToronto Pearson Intl
$440

American Airlines flights from Region of Ontario to Baltimore

Our best American Airlines deals on Region of Ontario to Baltimore flight tickets
American Airlines
Aug 25
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
9h 29m
1 stop
BWI9:59 pmBaltimore/Washington
Aug 31
BWI7:03 amBaltimore/Washington
9h 47m
1 stop
YUL4:50 pmMontreal Pierre Elliott Trudeau Intl
$576
American Airlines
Jan 11
YOW7:00 amOttawa
14h 23m
2 stops
BWI9:23 pmBaltimore/Washington
Jan 14
BWI11:13 amBaltimore/Washington
10h 55m
2 stops
YOW10:08 pmOttawa
$623
American Airlines
Sep 19
YOW7:00 amOttawa
10h 41m
2 stops
BWI5:41 pmBaltimore/Washington
Sep 26
BWI10:38 amBaltimore/Washington
9h 22m
2 stops
YOW8:00 pmOttawa
$629

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 August 9, 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 Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Mon 9/14

9:50 am-8:31 am

1 stop22h 41m

Baltimore/Washington

Wed 9/16

1:55 pm-8:55 pm

1 stop31h 00m

$327

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Sun 10/25

8:00 pm-9:28 am

1 stop13h 28m

Baltimore/Washington

Sun 11/8

10:00 pm-5:15 pm

1 stop19h 15m

$346

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Tue 9/22

9:50 am-8:31 am

1 stop22h 41m

Baltimore/Washington

Tue 9/29

1:55 pm-4:55 pm

1 stop27h 00m

$351

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Mon 9/14

9:50 am-8:44 pm

1 stop10h 54m

Baltimore/Washington

Wed 9/16

9:25 pm-8:55 pm

2 stops23h 30m

$355

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Fri 10/30

6:10 pm-11:04 pm

1 stop4h 54m

Baltimore/Washington

Sun 11/8

6:10 am-11:19 am

1 stop5h 09m

$376

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Mon 9/21

6:10 pm-11:01 pm

1 stop4h 51m

Baltimore/Washington

Mon 9/28

6:10 am-1:34 pm

1 stop7h 24m

$376
Quickest round-trip

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Sun 9/6

12:09 pm-4:49 pm

1 stop4h 40m

Baltimore/Washington

Sun 9/13

5:40 pm-10:59 pm

1 stop5h 19m

$376

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Thu 9/3

6:15 am-11:47 am

1 stop5h 32m

Baltimore/Washington

Mon 9/7

6:10 am-11:40 am

1 stop5h 30m

$513

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Sat 9/12

12:13 pm-5:00 pm

1 stop4h 47m

Baltimore/Washington

Sun 9/13

8:20 am-5:23 pm

1 stop9h 03m

$525

TorontoBaltimore

YYZ Toronto Pearson Intl - BWI Baltimore/Washington

YYZBWI

Toronto Pearson Intl

Sun 9/6

6:15 am-11:37 am

1 stop5h 22m

Baltimore/Washington

Sun 9/13

8:20 am-5:23 pm

1 stop9h 03m

$525

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 February is your next best option. Flight prices from Region of Ontario to Baltimore during February average around $389.

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

You could potentially save up to 55% 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

4h 28m

Direct flights

None
The fastest flight from Region of Ontario to Baltimore takes 4h 28m
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
8,496 reviews
Search Delta flights
WestJetPriceFrom $422Free CancellationRating
7.2
3,429 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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