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

Delta and United Airlines 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 54% 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 July 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.

$138 Cheap Flights from Baltimore to Ontario in 2026

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.

1:55 pm - 3:00 pm

BWI

YYZ

25h 05m

1 stop

1:30 pm - 1:00 pm

YYZ

BWI

23h 30m

1 stop

$323Multiple Airlines

Sat, Sep 19 - Mon, Sep 28

9:20 pm - 3:00 pm

BWI

YYZ

17h 40m

2 stops

1:30 pm - 1:00 pm

YYZ

BWI

23h 30m

1 stop

$326Multiple Airlines

Sat, Sep 19 - Mon, Sep 28

7:33 am - 4:54 pm

BWI

YUL

9h 21m

1 stop

12:29 pm - 9:59 pm

YUL

BWI

9h 30m

1 stop

$545American Airlines

Sat, Aug 29 - Sat, Sep 5

7:17 am - 4:52 pm

BWI

YUL

9h 35m

1 stop

12:30 pm - 12:16 am

YUL

BWI

11h 46m

1 stop

$546American Airlines

Wed, Oct 14 - Wed, Oct 21

5:36 pm - 11:30 pm

BWI

YUL

5h 54m

1 stop

6:00 am - 11:32 am

YUL

BWI

5h 32m

1 stop

$548Delta

Sat, Sep 5 - Sun, Sep 6

4:56 pm - 11:52 pm

BWI

YUL

6h 56m

1 stop

7:00 am - 3:46 pm

YUL

BWI

8h 46m

1 stop

$561Delta

Mon, Aug 24 - Tue, Sep 1

6:05 am - 6:45 pm

BWI

YQT

36h 40m

2 stops

7:50 pm - 9:27 pm

YQT

BWI

25h 37m

2 stops

$968WestJet

Thu, Aug 13 - Tue, Aug 18

6:05 am - 10:48 pm

BWI

YQT

16h 43m

2 stops

5:15 am - 9:02 pm

YQT

BWI

15h 47m

2 stops

$974United Airlines

Fri, Oct 16 - Tue, Oct 20

6:05 am - 10:48 pm

BWI

YQT

16h 43m

2 stops

5:15 am - 9:02 pm

YQT

BWI

15h 47m

2 stops

$985United Airlines

Fri, Oct 16 - Tue, Oct 20

6:05 am - 6:45 pm

BWI

YQT

36h 40m

2 stops

7:50 pm - 5:51 pm

YQT

BWI

22h 01m

2 stops

$1,000WestJet

Mon, Aug 17 - Fri, Aug 21

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Delta flights from Baltimore to Region of Ontario

Our best Delta deals on Baltimore to Region of Ontario flight tickets

Delta

Aug 1

BWI5:31 pmBaltimore/Washington

5h 31m

1 stop

YYZ11:02 pmToronto Pearson Intl

Aug 7

YYZ12:09 pmToronto Pearson Intl

4h 40m

1 stop

BWI4:49 pmBaltimore/Washington

$493

Delta

Aug 1

BWI5:31 pmBaltimore/Washington

5h 31m

1 stop

YYZ11:02 pmToronto Pearson Intl

Aug 3

YYZ6:14 pmToronto Pearson Intl

4h 59m

1 stop

BWI11:13 pmBaltimore/Washington

$502

Delta

Aug 2

BWI5:27 pmBaltimore/Washington

5h 35m

1 stop

YYZ11:02 pmToronto Pearson Intl

Aug 7

YYZ12:09 pmToronto Pearson Intl

4h 40m

1 stop

BWI4:49 pmBaltimore/Washington

$512

American Airlines flights from Baltimore to Region of Ontario

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

American Airlines

Aug 29

BWI7:33 amBaltimore/Washington

9h 21m

1 stop

YUL4:54 pmMontreal Pierre Elliott Trudeau Intl

Sep 5

YUL12:29 pmMontreal Pierre Elliott Trudeau Intl

9h 30m

1 stop

BWI9:59 pmBaltimore/Washington

$545

American Airlines

Oct 14

BWI7:17 amBaltimore/Washington

9h 35m

1 stop

YUL4:52 pmMontreal Pierre Elliott Trudeau Intl

Oct 21

YUL12:30 pmMontreal Pierre Elliott Trudeau Intl

11h 46m

1 stop

BWI12:16 amBaltimore/Washington

$546

American Airlines

Aug 29

BWI8:10 pmBaltimore/Washington

20h 40m

1 stop

YUL4:50 pmMontreal Pierre Elliott Trudeau Intl

Sep 5

YUL7:55 amMontreal Pierre Elliott Trudeau Intl

14h 04m

2 stops

BWI9:59 pmBaltimore/Washington

$555

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 9/19

1:55 pm-3:00 pm

1 stop25h 05m

Toronto Pearson Intl

Mon 9/28

1:30 pm-1:00 pm

1 stop23h 30m

$323

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 9/19

9:20 pm-3:00 pm

2 stops17h 40m

Toronto Pearson Intl

Mon 9/28

1:30 pm-1:00 pm

1 stop23h 30m

$326

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sat 8/29

7:33 am-4:54 pm

1 stop9h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

12:29 pm-9:59 pm

1 stop9h 30m

$545

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 10/14

7:17 am-4:52 pm

1 stop9h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

12:30 pm-12:16 am

1 stop11h 46m

$546

Quickest round-trip

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sat 9/5

5:36 pm-11:30 pm

1 stop5h 54m

Montreal Pierre Elliott Trudeau Intl

Sun 9/6

6:00 am-11:32 am

1 stop5h 32m

$548

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Mon 8/24

4:56 pm-11:52 pm

1 stop6h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

7:00 am-3:46 pm

1 stop8h 46m

$561

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Thu 8/13

6:05 am-6:45 pm

2 stops36h 40m

Thunder Bay

Tue 8/18

7:50 pm-9:27 pm

2 stops25h 37m

$968

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 10/16

6:05 am-10:48 pm

2 stops16h 43m

Thunder Bay

Tue 10/20

5:15 am-9:02 pm

2 stops15h 47m

$974

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Fri 10/16

6:05 am-10:48 pm

2 stops16h 43m

Thunder Bay

Tue 10/20

5:15 am-9:02 pm

2 stops15h 47m

$985

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Mon 8/17

6:05 am-6:45 pm

2 stops36h 40m

Thunder Bay

Fri 8/21

7:50 pm-5:51 pm

2 stops22h 01m

$1,000

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 $372. 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 49% 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

Fastest flight time	4h 54m
Direct flights	None

The fastest flight from Baltimore to Region of Ontario takes 4h 54m

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 July 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 $220	Free Cancellation	Rating 7.1 11,360 reviews	Search Air Canada flights
Delta	PriceFrom $243	Free Cancellation	Rating 7.8 8,486 reviews	Search Delta flights
WestJet	PriceFrom $495	Free Cancellation	Rating 7.2 3,411 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.