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Cheap flights from Ontario to Washington, D.C. from $142

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 9/6. 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

Logo
6:30 am - 2:47 pmYYZ-BWI
8h 17m1 stop
Logo
8:16 pm - 2:05 pmBWI-YYZ
17h 49m1 stop
$229
Find Deal
Sat, Sep 20 - Sat, Sep 27
Logo
6:30 am - 2:47 pmYYZ-BWI
8h 17m1 stop
Logo
8:16 pm - 2:05 pmBWI-YYZ
17h 49m1 stop
$235
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
2:50 pm - 9:15 pmYYZ-BWI
6h 25m2 stops
Delta Logo
6:00 am - 1:32 pmBWI-YYZ
7h 32m1 stop
$275Delta
Find Deal
Thu, Sep 4 - Sun, Sep 7
Delta Logo
6:00 am - 6:24 pmYUL-BWI
12h 24m2 stops
Delta Logo
1:35 pm - 11:53 pmBWI-YUL
10h 18m1 stop
$305Delta
Find Deal
Sat, Aug 30 - Mon, Sep 8
WestJet Logo
6:13 pm - 11:17 pmYYZ-BWI
5h 04m1 stop
WestJet Logo
5:40 am - 10:23 amBWI-YYZ
4h 43m1 stop
$308WestJet
Find Deal
Fri, Aug 29 - Sun, Aug 31
WestJet Logo
6:35 pm - 11:17 pmYUL-BWI
4h 42m1 stop
WestJet Logo
5:40 am - 1:38 pmBWI-YUL
7h 58m1 stop
$341WestJet
Find Deal
Fri, Aug 29 - Sun, Aug 31
American Airlines Logo
5:15 pm - 10:53 amYUL-BWI
17h 38m1 stop
American Airlines Logo
5:10 pm - 3:11 pmBWI-YUL
22h 01m1 stop
$374American Airlines
Find Deal
Wed, Oct 1 - Wed, Nov 5
American Airlines Logo
5:15 pm - 10:53 amYUL-BWI
17h 38m1 stop
American Airlines Logo
6:20 pm - 4:33 pmBWI-YUL
22h 13m1 stop
$378American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
United Airlines Logo
11:10 am - 9:19 pmYOW-BWI
10h 09m1 stop
United Airlines Logo
10:20 am - 9:18 pmBWI-YOW
10h 58m1 stop
$570United Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
United Airlines Logo
6:33 am - 1:48 pmYOW-BWI
7h 15m1 stop
United Airlines Logo
6:15 am - 9:35 pmBWI-YOW
15h 20m1 stop
$571United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7

WestJet flights from Region of Ontario to Baltimore

Our best WestJet deals on Region of Ontario to Baltimore flight tickets
WestJet
Aug 29
YYZ6:13 pmToronto Pearson Intl
5h 04m
1 stop
BWI11:17 pmBaltimore/Washington
Aug 31
BWI5:40 amBaltimore/Washington
4h 43m
1 stop
YYZ10:23 amToronto Pearson Intl
$308
Find similar
WestJet
Aug 29
YUL6:35 pmMontreal Pierre Elliott Trudeau Intl
4h 42m
1 stop
BWI11:17 pmBaltimore/Washington
Aug 31
BWI5:40 amBaltimore/Washington
7h 58m
1 stop
YUL1:38 pmMontreal Pierre Elliott Trudeau Intl
$341
Find similar
WestJet
Aug 29
YUL6:35 pmMontreal Pierre Elliott Trudeau Intl
4h 42m
1 stop
BWI11:17 pmBaltimore/Washington
Aug 31
BWI6:00 amBaltimore/Washington
11h 43m
1 stop
YUL5:43 pmMontreal Pierre Elliott Trudeau Intl
$347
Find similar

American Airlines flights from Region of Ontario to Baltimore

Our best American Airlines deals on Region of Ontario to Baltimore flight tickets
American Airlines
Oct 1
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
17h 38m
1 stop
BWI10:53 amBaltimore/Washington
Nov 5
BWI5:10 pmBaltimore/Washington
22h 01m
1 stop
YUL3:11 pmMontreal Pierre Elliott Trudeau Intl
$374
Find similar
American Airlines
Sep 26
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
17h 38m
1 stop
BWI10:53 amBaltimore/Washington
Sep 29
BWI6:20 pmBaltimore/Washington
22h 13m
1 stop
YUL4:33 pmMontreal Pierre Elliott Trudeau Intl
$378
Find similar
American Airlines
Oct 23
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
11h 18m
1 stop
BWI11:48 pmBaltimore/Washington
Oct 28
BWI6:13 pmBaltimore/Washington
17h 27m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
$390
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 August 7, 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

Sat 9/20

6:30 am-2:47 pm

1 stop8h 17m

Baltimore/Washington

Sat 9/27

8:16 pm-2:05 pm

1 stop17h 49m

$229

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 9/20

6:30 am-2:47 pm

1 stop8h 17m

Baltimore/Washington

Sat 9/27

8:16 pm-2:05 pm

1 stop17h 49m

$235

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 9/4

2:50 pm-9:15 pm

2 stops6h 25m

Baltimore/Washington

Sun 9/7

6:00 am-1:32 pm

1 stop7h 32m

$275

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

6:00 am-6:24 pm

2 stops12h 24m

Baltimore/Washington

Mon 9/8

1:35 pm-11:53 pm

1 stop10h 18m

$305

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 8/29

6:13 pm-11:17 pm

1 stop5h 04m

Baltimore/Washington

Sun 8/31

5:40 am-10:23 am

1 stop4h 43m

$308

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 8/29

6:35 pm-11:17 pm

1 stop4h 42m

Baltimore/Washington

Sun 8/31

5:40 am-1:38 pm

1 stop7h 58m

$341

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

5:15 pm-10:53 am

1 stop17h 38m

Baltimore/Washington

Wed 11/5

5:10 pm-3:11 pm

1 stop22h 01m

$374

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

5:15 pm-10:53 am

1 stop17h 38m

Baltimore/Washington

Mon 9/29

6:20 pm-4:33 pm

1 stop22h 13m

$378

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 12/10

11:10 am-9:19 pm

1 stop10h 09m

Baltimore/Washington

Mon 12/15

10:20 am-9:18 pm

1 stop10h 58m

$570

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 9/4

6:33 am-1:48 pm

1 stop7h 15m

Baltimore/Washington

Sun 9/7

6:15 am-9:35 pm

1 stop15h 20m

$571

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 $327.

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 $351 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 $256 on momondo.

What cabin class options are available on Ontario to Baltimore/Washington flights?

There are 1 cabin classes 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

Best Price Found

$142

Fastest flight time

4h 42m

Direct flights

None

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Region of Ontario in the past 72 hours is $142. The best round-trip flight deal from Region of Ontario to Baltimore found on momondo in the last 72 hours is $229.
The fastest flight from Region of Ontario to Baltimore takes 4h 42m
There are no direct flights from Region of Ontario to Baltimore. Popular non-direct routes for this connection are Toronto Island Airport - Baltimore/Washington Airport and Toronto Pearson Intl Airport - Baltimore/Washington Airport.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)
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
9,893 reviews
Search Air Canada flights
DeltaPriceFrom $221Free CancellationRating
8.0
7,985 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,003 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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