What is the cheapest airline that flies from Baltimore/Washington to Ontario?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Baltimore/Washington to Ontario

What airlines fly to Region of Ontario?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Region of Ontario from Baltimore according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Baltimore/Washington Airport to Ontario?

Prices for flights from Baltimore/Washington Airport to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Baltimore/Washington Airport to Ontario?

There are 3 operators available for flights from Baltimore/Washington Airport to Ontario as of October 2026.

How old do you have to be to fly from Baltimore/Washington Airport to Ontario?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$125 Cheap Flights from Baltimore to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baltimore to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:18 pm - 5:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 02m1 stop Detroit Metropolitan Wayne County

6:10 pm - 11:27 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 17m1 stop Detroit Metropolitan Wayne County

$152WestJet

Thu, Nov 19 - Wed, Nov 25

1:56 pm - 11:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

9h 24m1 stop Fort Lauderdale

7:35 am - 1:01 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

29h 26m1 stop Fort Lauderdale

$264Multiple Airlines

Sat, Nov 14 - Mon, Nov 16

1:56 pm - 11:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

9h 24m1 stop Fort Lauderdale

9:20 am - 7:46 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

10h 26m1 stop Fort Lauderdale

$269Multiple Airlines

Sat, Nov 14 - Wed, Dec 9

10:02 am - 10:55 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

12h 53m1 stop Fort Lauderdale

9:15 am - 10:41 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

37h 26m2 stops Tampa Atlanta Hartsfield-Jackson

$277Multiple Airlines

Wed, Dec 9 - Sun, Dec 13

12:18 pm - 5:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 02m1 stop Detroit Metropolitan Wayne County

9:45 am - 11:27 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

13h 42m1 stop Detroit Metropolitan Wayne County

$495WestJet

Thu, Nov 19 - Wed, Nov 25

6:00 am - 11:19 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 19m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:33 amYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 33m1 stop Detroit Metropolitan Wayne County

$580Delta

Wed, Nov 25 - Mon, Nov 30

9:35 am - 5:22 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

7h 47m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:45 amYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 45m1 stop Detroit Metropolitan Wayne County

$580Delta

Thu, Apr 15 - Sun, Apr 18

6:00 am - 11:15 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 15m1 stop Detroit Metropolitan Wayne County

4:04 pm - 11:16 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

7h 12m1 stop Detroit Metropolitan Wayne County

$580Delta

Wed, Dec 23 - Sat, Jan 2

6:00 am - 11:29 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 29m1 stop Detroit Metropolitan Wayne County

5:15 pm - 10:55 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 40m1 stop Detroit Metropolitan Wayne County

$966WestJet

Thu, Feb 11 - Sun, Feb 14

5:44 pm - 11:07 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 23m1 stop Detroit Metropolitan Wayne County

12:20 pm - 5:26 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 06m1 stop Atlanta Hartsfield-Jackson

$979WestJet

Sat, Dec 5 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

1:56 pm - 3:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

25h 24m1 stop Fort Lauderdale

7:35 am - 1:01 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

29h 26m1 stop Fort Lauderdale

$461Multiple Airlines

Sun, Oct 25 - Thu, Oct 29

1:56 pm - 3:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

25h 24m1 stop Fort Lauderdale

7:35 am - 1:01 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

29h 26m1 stop Fort Lauderdale

$483Multiple Airlines

Wed, Oct 28 - Fri, Oct 30

1:56 pm - 2:40 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

24h 44m1 stop Fort Lauderdale

7:35 am - 1:01 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

29h 26m1 stop Fort Lauderdale

$484Multiple Airlines

Sat, Oct 24 - Fri, Oct 30

1:56 pm - 3:20 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

25h 24m1 stop Fort Lauderdale

7:35 am - 1:01 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

29h 26m1 stop Fort Lauderdale

$496Multiple Airlines

Sun, Oct 25 - Thu, Oct 29

6:10 am - 11:19 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 09m1 stop Detroit Metropolitan Wayne County

12:10 pm - 4:51 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

4h 41m1 stop Detroit Metropolitan Wayne County

$777Delta

Sat, Oct 24 - Tue, Oct 27

6:10 am - 11:19 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 09m1 stop Detroit Metropolitan Wayne County

12:10 pm - 4:51 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

4h 41m1 stop Detroit Metropolitan Wayne County

$777Delta

Sat, Oct 24 - Wed, Oct 28

6:10 am - 11:19 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 09m1 stop Detroit Metropolitan Wayne County

2:26 pm - 11:04 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

8h 38m1 stop Detroit Metropolitan Wayne County

$817Delta

Sat, Oct 24 - Mon, Oct 26

6:10 am - 11:19 amBWI Baltimore/Washington-YYZ Toronto Pearson Intl

5h 09m1 stop Detroit Metropolitan Wayne County

11:38 am - 5:26 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

5h 48m1 stop Atlanta Hartsfield-Jackson

$1,468WestJet

Tue, Oct 27 - Tue, Nov 3

9:50 am - 1:36 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

3h 46m1 stop Detroit Metropolitan Wayne County

12:10 pm - 4:51 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

4h 41m1 stop Detroit Metropolitan Wayne County

$1,606WestJet

Sun, Oct 25 - Thu, Oct 29

12:37 pm - 5:19 pmBWI Baltimore/Washington-YYZ Toronto Pearson Intl

4h 42m1 stop Detroit Metropolitan Wayne County

12:10 pm - 4:51 pmYYZ Toronto Pearson Intl-BWI Baltimore/Washington

4h 41m1 stop Detroit Metropolitan Wayne County

$1,670WestJet

Wed, Oct 28 - Sat, Oct 31

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United Airlines flights from Baltimore to Region of Ontario

Our best United Airlines deals on Baltimore to Region of Ontario flight tickets

United Airlines

Jan 5

BWI10:35 amBaltimore/Washington

11h 17m

2 stops

YXU9:52 pmLondon

Jan 8

YXU9:15 amLondon

12h 18m

2 stops

BWI9:33 pmBaltimore/Washington

$1,040

United Airlines

Nov 17

BWI6:10 amBaltimore/Washington

9h 55m

2 stops

YQT4:05 pmThunder Bay

Nov 21

YQT5:00 amThunder Bay

16h 42m

2 stops

BWI9:42 pmBaltimore/Washington

$1,050

United Airlines

Jan 5

BWI10:35 amBaltimore/Washington

11h 17m

2 stops

YXU9:52 pmLondon

Jan 8

YXU9:15 amLondon

12h 18m

2 stops

BWI9:33 pmBaltimore/Washington

$1,072

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Thu 11/19

12:18 pm-5:20 pm

1 stop5h 02m

Toronto Pearson Intl

Wed 11/25

6:10 pm-11:27 pm

1 stop5h 17m

$152

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Sat 11/14

1:56 pm-11:20 pm

1 stop9h 24m

Toronto Pearson Intl

Mon 11/16

7:35 am-1:01 pm

1 stop29h 26m

$264

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Sat 11/14

1:56 pm-11:20 pm

1 stop9h 24m

Toronto Pearson Intl

Wed 12/9

9:20 am-7:46 pm

1 stop10h 26m

$269

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Wed 12/9

10:02 am-10:55 pm

1 stop12h 53m

Toronto Pearson Intl

Sun 12/13

9:15 am-10:41 pm

2 stops37h 26m

$277

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Thu 11/19

12:18 pm-5:20 pm

1 stop5h 02m

Toronto Pearson Intl

Wed 11/25

9:45 am-11:27 pm

1 stop13h 42m

$495

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Wed 11/25

6:00 am-11:19 am

1 stop5h 19m

Toronto Pearson Intl

Mon 11/30

6:00 am-11:33 am

1 stop5h 33m

$580

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Thu 4/15

9:35 am-5:22 pm

1 stop7h 47m

Toronto Pearson Intl

Sun 4/18

6:00 am-11:45 am

1 stop5h 45m

$580

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Wed 12/23

6:00 am-11:15 am

1 stop5h 15m

Toronto Pearson Intl

Sat 1/2

4:04 pm-11:16 pm

1 stop7h 12m

$580

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Thu 2/11

6:00 am-11:29 am

1 stop5h 29m

Toronto Pearson Intl

Sun 2/14

5:15 pm-10:55 pm

1 stop5h 40m

$966

BaltimoreToronto

BWI Baltimore/Washington - YYZ Toronto Pearson Intl

BWIYYZ

Baltimore/Washington

Sat 12/5

5:44 pm-11:07 pm

1 stop5h 23m

Toronto Pearson Intl

Sun 12/6

12:20 pm-5:26 pm

1 stop5h 06m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore to Region of Ontario

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

Prices

Airlines

What is the cheapest month to fly to Region of Ontario?

The month of July is, on average, the cheapest month to fly to Region of Ontario from Baltimore, with most prices found around $417. If you aren’t able to travel during the month of July, then book flights to Region of Ontario from Baltimore during May instead. Flights to Region of Ontario in May, while not as cheap as those in July, still average around $448.

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

You could potentially save up to 56% on your flight if you consider stops on a Baltimore to Region of Ontario flight.

Cheap Baltimore to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Region of Ontario

Best Price Found	$125
Fastest flight time	3h 46m
Direct flights	None

The best one-way flight to Region of Ontario from Baltimore in the past 72 hours is $125. The best round-trip flight deal from Baltimore to Region of Ontario found on momondo in the last 72 hours is $152.

The fastest flight from Baltimore to Region of Ontario takes 3h 46m

There are no direct flights from Baltimore to Region of Ontario. There are no popular flight routes from Baltimore to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Baltimore to Ontario

When did momondo last update prices for flights from Baltimore/Washington Airport to Ontario?
Prices for flights from Baltimore/Washington Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Baltimore/Washington Airport to Ontario?
There are 3 operators available for flights from Baltimore/Washington Airport to Ontario as of October 2026.
How old do you have to be to fly from Baltimore/Washington Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Baltimore to Region of Ontario

Compare and see reviews for airlines that fly from Baltimore to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $212	Free Cancellation	Rating 7.1 11,790 reviews	Search Air Canada flights
Delta	PriceFrom $240	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
WestJet	PriceFrom $496	Free Cancellation	Rating 7.2 3,447 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Ontario?

It is quick and easy to find Baltimore to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Baltimore to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Baltimore with this policy.

How can momondo help me find flights from Baltimore to Ontario?

momondo helps you find the best flight between Baltimore and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.