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Cheap flights from Ontario to Washington, D.C. from $135

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 10/15. 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

Multiple Airlines Logo
6:30 am - 2:48 pmYYZ-BWI
8h 18m1 stop
Multiple Airlines Logo
9:37 pm - 2:20 pmBWI-YYZ
16h 43m1 stop
$223Multiple Airlines
Find Deal
Wed, Oct 15 - Fri, Nov 7
Multiple Airlines Logo
5:15 pm - 8:34 amYYZ-BWI
15h 19m1 stop
Multiple Airlines Logo
4:31 pm - 12:11 amBWI-YYZ
7h 40m1 stop
$236Multiple Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
Multiple Airlines Logo
6:30 am - 2:48 pmYYZ-BWI
8h 18m1 stop
Multiple Airlines Logo
9:41 pm - 2:05 pmBWI-YYZ
16h 24m1 stop
$237Multiple Airlines
Find Deal
Wed, Oct 15 - Mon, Nov 3
Multiple Airlines Logo
7:10 am - 8:32 pmYYZ-BWI
13h 22m1 stop
Multiple Airlines Logo
2:30 pm - 11:20 pmBWI-YYZ
8h 50m1 stop
$243Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
6:30 am - 2:48 pmYYZ-BWI
8h 18m1 stop
Multiple Airlines Logo
6:50 pm - 2:20 pmBWI-YYZ
19h 30m2 stops
$251Multiple Airlines
Find Deal
Wed, Oct 15 - Fri, Nov 7
Multiple Airlines Logo
8:00 pm - 8:34 amYYZ-BWI
12h 34m1 stop
Multiple Airlines Logo
3:31 pm - 12:11 amBWI-YYZ
8h 40m1 stop
$252Multiple Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 11
Multiple Airlines Logo
5:15 pm - 8:34 amYYZ-BWI
15h 19m1 stop
Multiple Airlines Logo
3:31 pm - 12:11 amBWI-YYZ
8h 40m1 stop
$255Multiple Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 11
Multiple Airlines Logo
4:00 pm - 10:36 pmYYZ-BWI
6h 36m1 stop
Multiple Airlines Logo
3:31 pm - 12:11 amBWI-YYZ
8h 40m1 stop
$258Multiple Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 10
United Airlines Logo
6:20 am - 5:14 pmYOW-BWI
10h 54m1 stop
United Airlines Logo
10:56 am - 9:18 pmBWI-YOW
10h 22m1 stop
$571United Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
United Airlines Logo
6:20 am - 9:41 pmYOW-BWI
15h 21m1 stop
United Airlines Logo
10:05 am - 9:18 pmBWI-YOW
11h 13m1 stop
$586United Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19

United Airlines flights from Region of Ontario to Baltimore

Our best United Airlines deals on Region of Ontario to Baltimore flight tickets
United Airlines
Nov 21
YOW6:20 amOttawa
10h 54m
1 stop
BWI5:14 pmBaltimore/Washington
Nov 23
BWI10:56 amBaltimore/Washington
10h 22m
1 stop
YOW9:18 pmOttawa
$571
Find similar
United Airlines
Jan 15
YOW6:20 amOttawa
15h 21m
1 stop
BWI9:41 pmBaltimore/Washington
Jan 19
BWI10:05 amBaltimore/Washington
7h 07m
1 stop
YOW5:12 pmOttawa
$586
Find similar
United Airlines
Nov 9
YOW11:10 amOttawa
6h 04m
1 stop
BWI5:14 pmBaltimore/Washington
Nov 10
BWI6:15 amBaltimore/Washington
15h 03m
1 stop
YOW9:18 pmOttawa
$593
Find similar

Delta flights from Region of Ontario to Baltimore

Our best Delta deals on Region of Ontario to Baltimore flight tickets
Delta
Oct 5
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
5h 45m
1 stop
BWI12:45 pmBaltimore/Washington
Oct 8
BWI10:18 amBaltimore/Washington
7h 16m
1 stop
YUL5:34 pmMontreal Pierre Elliott Trudeau Intl
$575
Find similar
Delta
Oct 6
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
10h 17m
1 stop
BWI5:17 pmBaltimore/Washington
Oct 9
BWI1:50 pmBaltimore/Washington
9h 58m
1 stop
YUL11:48 pmMontreal Pierre Elliott Trudeau Intl
$676
Find similar
Delta
Oct 4
YOW5:55 amOttawa
11h 46m
2 stops
BWI5:41 pmBaltimore/Washington
Oct 8
BWI12:19 pmBaltimore/Washington
12h 03m
2 stops
YOW12:22 amOttawa
$837
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 September 22, 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

Wed 10/15

6:30 am-2:48 pm

1 stop8h 18m

Baltimore/Washington

Fri 11/7

9:37 pm-2:20 pm

1 stop16h 43m

$223

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 10/30

5:15 pm-8:34 am

1 stop15h 19m

Baltimore/Washington

Mon 11/3

4:31 pm-12:11 am

1 stop7h 40m

$236

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 10/15

6:30 am-2:48 pm

1 stop8h 18m

Baltimore/Washington

Mon 11/3

9:41 pm-2:05 pm

1 stop16h 24m

$237

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 12/6

7:10 am-8:32 pm

1 stop13h 22m

Baltimore/Washington

Sat 12/13

2:30 pm-11:20 pm

1 stop8h 50m

$243

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 10/15

6:30 am-2:48 pm

1 stop8h 18m

Baltimore/Washington

Fri 11/7

6:50 pm-2:20 pm

2 stops19h 30m

$251

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sun 10/26

8:00 pm-8:34 am

1 stop12h 34m

Baltimore/Washington

Tue 11/11

3:31 pm-12:11 am

1 stop8h 40m

$252

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 10/29

5:15 pm-8:34 am

1 stop15h 19m

Baltimore/Washington

Tue 11/11

3:31 pm-12:11 am

1 stop8h 40m

$255

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 11/3

4:00 pm-10:36 pm

1 stop6h 36m

Baltimore/Washington

Mon 11/10

3:31 pm-12:11 am

1 stop8h 40m

$258

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 11/21

6:20 am-5:14 pm

1 stop10h 54m

Baltimore/Washington

Sun 11/23

10:56 am-9:18 pm

1 stop10h 22m

$571

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 1/15

6:20 am-9:41 pm

1 stop15h 21m

Baltimore/Washington

Mon 1/19

10:05 am-9:18 pm

1 stop11h 13m

$586

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 $371 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 is only 1 cabin class 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

Direct flights

None
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
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $221Free CancellationRating
7.9
7,971 reviews
Search Delta flights
WestJetPriceFrom $290Free CancellationRating
7.2
3,102 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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Wed 10/22
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