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Cheap flights from Ontario to Washington, D.C. from $141

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 3/24. 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
3:40 pm - 9:06 am
YYZ
-
BWI
17h 26m
1 stop
Multiple Airlines Logo
6:20 am - 11:20 pm
BWI
-
YYZ
17h 00m
1 stop
$245Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
3:40 pm - 9:06 am
YYZ
-
BWI
17h 26m
1 stop
Multiple Airlines Logo
12:30 pm - 11:20 pm
BWI
-
YYZ
10h 50m
1 stop
$247Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
3:40 pm - 11:59 pm
YYZ
-
BWI
8h 19m
1 stop
Multiple Airlines Logo
7:12 pm - 7:55 pm
BWI
-
YYZ
24h 43m
1 stop
$269Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
3:40 pm - 11:59 pm
YYZ
-
BWI
8h 19m
1 stop
Multiple Airlines Logo
7:12 pm - 7:55 pm
BWI
-
YYZ
24h 43m
1 stop
$275Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
3:40 pm - 11:17 am
YYZ
-
BWI
19h 37m
2 stops
Multiple Airlines Logo
12:30 pm - 11:20 pm
BWI
-
YYZ
10h 50m
1 stop
$277Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
3:40 pm - 11:17 am
YYZ
-
BWI
19h 37m
2 stops
Multiple Airlines Logo
6:20 am - 11:20 pm
BWI
-
YYZ
17h 00m
1 stop
$280Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
7:15 am - 7:44 pm
YYZ
-
BWI
12h 29m
2 stops
Multiple Airlines Logo
7:12 pm - 7:55 pm
BWI
-
YYZ
24h 43m
1 stop
$281Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
3:40 pm - 9:06 am
YYZ
-
BWI
17h 26m
1 stop
Multiple Airlines Logo
6:20 am - 11:20 pm
BWI
-
YYZ
17h 00m
1 stop
$284Multiple Airlines
Wed, Feb 25 - Wed, Mar 11
United Airlines Logo
5:10 am - 9:17 pm
YXU
-
BWI
16h 07m
2 stops
United Airlines Logo
10:30 am - 9:21 pm
BWI
-
YXU
10h 51m
2 stops
$680United Airlines
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
9:25 am - 9:17 pm
YXU
-
BWI
11h 52m
2 stops
United Airlines Logo
10:30 am - 9:21 pm
BWI
-
YXU
10h 51m
2 stops
$693United Airlines
Mon, Mar 2 - Wed, Mar 4

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 10
YUL1:20 pmMontreal Pierre Elliott Trudeau Intl
25h 12m
1 stop
BWI2:32 pmBaltimore/Washington
May 2
BWI6:15 amBaltimore/Washington
12h 49m
1 stop
YUL7:04 pmMontreal Pierre Elliott Trudeau Intl
$410
United Airlines
Apr 10
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
20h 02m
1 stop
BWI2:32 pmBaltimore/Washington
Apr 27
BWI6:00 amBaltimore/Washington
12h 55m
1 stop
YUL6:55 pmMontreal Pierre Elliott Trudeau Intl
$437
United Airlines
Apr 8
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
12h 08m
1 stop
BWI9:23 pmBaltimore/Washington
May 2
BWI6:15 amBaltimore/Washington
15h 51m
2 stops
YUL10:06 pmMontreal Pierre Elliott Trudeau Intl
$456

WestJet flights from Region of Ontario to Baltimore

Our best WestJet deals on Region of Ontario to Baltimore flight tickets
WestJet
Feb 21
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
8h 16m
1 stop
BWI2:16 pmBaltimore/Washington
Feb 22
BWI6:04 amBaltimore/Washington
7h 36m
1 stop
YUL1:40 pmMontreal Pierre Elliott Trudeau Intl
$635
WestJet
Feb 19
YUL2:40 pmMontreal Pierre Elliott Trudeau Intl
9h 07m
1 stop
BWI11:47 pmBaltimore/Washington
Feb 23
BWI11:45 amBaltimore/Washington
4h 10m
1 stop
YUL3:55 pmMontreal Pierre Elliott Trudeau Intl
$681
WestJet
Feb 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
29h 09m
2 stops
BWI11:54 amBaltimore/Washington
Feb 23
BWI1:01 pmBaltimore/Washington
22h 24m
1 stop
YUL11:25 amMontreal Pierre Elliott Trudeau Intl
$690

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 February 8, 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

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 3/9

3:40 pm-9:06 am

1 stop17h 26m

Baltimore/Washington

Wed 3/11

6:20 am-11:20 pm

1 stop17h 00m

$245

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 3/9

3:40 pm-9:06 am

1 stop17h 26m

Baltimore/Washington

Wed 3/11

12:30 pm-11:20 pm

1 stop10h 50m

$247

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 3/25

3:40 pm-11:59 pm

1 stop8h 19m

Baltimore/Washington

Wed 4/1

7:12 pm-7:55 pm

1 stop24h 43m

$269

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 3/25

3:40 pm-11:59 pm

1 stop8h 19m

Baltimore/Washington

Wed 4/1

7:12 pm-7:55 pm

1 stop24h 43m

$275

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 3/9

3:40 pm-11:17 am

2 stops19h 37m

Baltimore/Washington

Wed 3/11

12:30 pm-11:20 pm

1 stop10h 50m

$277

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 3/9

3:40 pm-11:17 am

2 stops19h 37m

Baltimore/Washington

Wed 3/11

6:20 am-11:20 pm

1 stop17h 00m

$280

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 3/25

7:15 am-7:44 pm

2 stops12h 29m

Baltimore/Washington

Wed 4/1

7:12 pm-7:55 pm

1 stop24h 43m

$281

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 2/25

3:40 pm-9:06 am

1 stop17h 26m

Baltimore/Washington

Wed 3/11

6:20 am-11:20 pm

1 stop17h 00m

$284

LondonBaltimore

YXU - BWI

YXUBWI

London

Mon 3/2

5:10 am-9:17 pm

2 stops16h 07m

Baltimore/Washington

Wed 3/4

10:30 am-9:21 pm

2 stops10h 51m

$680

LondonBaltimore

YXU - BWI

YXUBWI

London

Mon 3/2

9:25 am-9:17 pm

2 stops11h 52m

Baltimore/Washington

Wed 3/4

10:30 am-9:21 pm

2 stops10h 51m

$693

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 September is your next best option. Flight prices from Region of Ontario to Baltimore during September average around $320.

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 $424 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.

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

You could potentially save up to 56% 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 30m

Direct flights

None
The fastest flight from Region of Ontario to Baltimore takes 4h 30m
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

  • 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
10,698 reviews
Search Air Canada flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,174 reviews
Search Delta flights
WestJetPriceFrom $260Free CancellationRating
7.2
3,256 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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