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Cheap flights from Ontario to Washington, D.C. from $164

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 6/16. 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
0 bags

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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
9:30 am - 12:15 pm
YYZ
-
BWI
26h 45m
1 stop
Multiple Airlines Logo
1:10 pm - 2:05 pm
BWI
-
YYZ
24h 55m
1 stop
$285Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
6:30 am - 12:13 pm
YYZ
-
BWI
29h 43m
1 stop
Multiple Airlines Logo
9:30 pm - 4:45 pm
BWI
-
YYZ
19h 15m
1 stop
$316Multiple Airlines
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
4:50 pm - 9:15 am
YYZ
-
BWI
16h 25m
1 stop
Multiple Airlines Logo
1:10 pm - 5:09 pm
BWI
-
YYZ
27h 59m
2 stops
$321Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
6:30 am - 12:13 pm
YYZ
-
BWI
29h 43m
1 stop
Multiple Airlines Logo
1:10 pm - 5:09 pm
BWI
-
YYZ
27h 59m
2 stops
$327Multiple Airlines
Tue, Jun 9 - Sun, Jun 14
Delta Logo
7:00 am - 5:08 pm
YUL
-
BWI
10h 08m
1 stop
Delta Logo
7:00 am - 5:03 pm
BWI
-
YUL
10h 03m
1 stop
$421Delta
Fri, Oct 2 - Tue, Oct 6
Delta Logo
9:30 am - 10:49 pm
YUL
-
BWI
13h 19m
2 stops
Delta Logo
1:59 pm - 11:57 pm
BWI
-
YUL
9h 58m
1 stop
$436Delta
Thu, Jun 4 - Sat, Jun 6
Delta Logo
9:30 am - 11:17 pm
YUL
-
BWI
13h 47m
2 stops
Delta Logo
5:40 am - 11:43 am
BWI
-
YUL
6h 03m
1 stop
$437Delta
Wed, May 27 - Sun, Jun 7
United Airlines Logo
12:15 pm - 6:09 pm
YTZ
-
BWI
5h 54m
1 stop
United Airlines Logo
7:05 pm - 10:06 am
BWI
-
YTZ
15h 01m
1 stop
$455United Airlines
Sat, Jun 6 - Sat, Jun 13
United Airlines Logo
9:45 am - 12:28 am
YUL
-
BWI
14h 43m
1 stop
United Airlines Logo
8:16 am - 5:30 pm
BWI
-
YUL
9h 14m
1 stop
$455United Airlines
Sat, Aug 1 - Mon, Aug 10
United Airlines Logo
9:45 am - 12:28 am
YUL
-
BWI
14h 43m
1 stop
United Airlines Logo
8:16 am - 5:30 pm
BWI
-
YUL
9h 14m
1 stop
$456United Airlines
Sat, Aug 1 - Mon, Aug 10

United Airlines flights from Region of Ontario to Baltimore

Our best United Airlines deals on Region of Ontario to Baltimore flight tickets
United Airlines
Jun 10
YYZ7:00 amToronto Pearson Intl
6h 54m
1 stop
BWI1:54 pmBaltimore/Washington
Jun 14
BWI8:25 amBaltimore/Washington
11h 12m
1 stop
YYZ7:37 pmToronto Pearson Intl
$427
United Airlines
Jun 15
YYZ5:15 pmToronto Pearson Intl
7h 18m
1 stop
BWI12:33 amBaltimore/Washington
Jul 7
BWI10:32 amBaltimore/Washington
5h 14m
1 stop
YYZ3:46 pmToronto Pearson Intl
$430
United Airlines
Aug 27
YYZ8:50 amToronto Pearson Intl
5h 07m
1 stop
BWI1:57 pmBaltimore/Washington
Aug 31
BWI7:04 pmBaltimore/Washington
4h 55m
1 stop
YYZ11:59 pmToronto Pearson Intl
$431

Delta flights from Region of Ontario to Baltimore

Our best Delta deals on Region of Ontario to Baltimore flight tickets
Delta
Oct 21
YYZ6:15 amToronto Pearson Intl
6h 49m
1 stop
BWI1:04 pmBaltimore/Washington
Oct 22
BWI6:10 pmBaltimore/Washington
5h 51m
1 stop
YYZ12:01 amToronto Pearson Intl
$413
Delta
Oct 2
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
10h 08m
1 stop
BWI5:08 pmBaltimore/Washington
Oct 6
BWI7:00 amBaltimore/Washington
10h 03m
1 stop
YUL5:03 pmMontreal Pierre Elliott Trudeau Intl
$421
Delta
Jun 20
YYZ6:30 amToronto Pearson Intl
10h 15m
2 stops
BWI4:45 pmBaltimore/Washington
Jun 27
BWI6:24 pmBaltimore/Washington
5h 34m
1 stop
YYZ11:58 pmToronto Pearson Intl
$426

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 May 7, 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

Wed 6/3

9:30 am-12:15 pm

1 stop26h 45m

Baltimore/Washington

Wed 6/10

1:10 pm-2:05 pm

1 stop24h 55m

$285

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 6/9

6:30 am-12:13 pm

1 stop29h 43m

Baltimore/Washington

Mon 6/15

9:30 pm-4:45 pm

1 stop19h 15m

$316

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sun 5/31

4:50 pm-9:15 am

1 stop16h 25m

Baltimore/Washington

Sun 6/7

1:10 pm-5:09 pm

2 stops27h 59m

$321

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 6/9

6:30 am-12:13 pm

1 stop29h 43m

Baltimore/Washington

Sun 6/14

1:10 pm-5:09 pm

2 stops27h 59m

$327

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 10/2

7:00 am-5:08 pm

1 stop10h 08m

Baltimore/Washington

Tue 10/6

7:00 am-5:03 pm

1 stop10h 03m

$421

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Thu 6/4

9:30 am-10:49 pm

2 stops13h 19m

Baltimore/Washington

Sat 6/6

1:59 pm-11:57 pm

1 stop9h 58m

$436
Quickest round-trip

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 5/27

9:30 am-11:17 pm

2 stops13h 47m

Baltimore/Washington

Sun 6/7

5:40 am-11:43 am

1 stop6h 03m

$437

TorontoBaltimore

YTZ - BWI

YTZBWI

Toronto Island

Sat 6/6

12:15 pm-6:09 pm

1 stop5h 54m

Baltimore/Washington

Sat 6/13

7:05 pm-10:06 am

1 stop15h 01m

$455

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 8/1

9:45 am-12:28 am

1 stop14h 43m

Baltimore/Washington

Mon 8/10

8:16 am-5:30 pm

1 stop9h 14m

$455

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 8/1

9:45 am-12:28 am

1 stop14h 43m

Baltimore/Washington

Mon 8/10

8:16 am-5:30 pm

1 stop9h 14m

$456

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 August, then October is your next best option. Flight prices from Region of Ontario to Baltimore during October average around $137.

How far in advance should I book a flight from Ontario 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 $472 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 $223 on momondo.

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

You could potentially save up to 61% 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 36m

Direct flights

None
The fastest flight from Region of Ontario to Baltimore takes 4h 36m
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
WestJetPriceFrom $303Free CancellationRating
7.2
3,331 reviews
Search WestJet flights
DeltaPriceFrom $368Free CancellationRating
7.9
8,459 reviews
Search Delta 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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