What is the cheapest airline that flies from Buffalo to Ontario?

Delta and WestJet are the most popular carriers operating from Buffalo to Ontario

When did momondo last update prices for flights from Buffalo Airport to Ontario?

Prices for flights from Buffalo Airport to Ontario were last updated today.

How many operators does momondo search for flights from Buffalo Airport to Ontario?

The number of operators available for flights from Buffalo Airport to Ontario is 1 as of September 2025.

How old do you have to be to fly from Buffalo 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 Buffalo 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.

$117 Cheap Flights from Buffalo to Ontario in 2025/26

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Find the cheapest flights from Buffalo to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

7:14 pm - 9:21 pmBUF-YYZ

26h 07m1 stop

7:45 am - 6:03 pmYYZ-BUF

10h 18m2 stops

$366Multiple Airlines

Find Deal

Thu, Oct 16 - Sun, Oct 19

6:23 pm - 9:50 amBUF-YUL

15h 27m1 stop

10:30 am - 5:41 pmYUL-BUF

7h 11m1 stop

$400American Airlines

Find Deal

Wed, Oct 15 - Sat, Oct 18

12:15 pm - 10:40 pmBUF-YYZ

10h 25m2 stops

12:50 pm - 8:18 pmYYZ-BUF

7h 28m1 stop

$415Multiple Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

2:35 pm - 8:37 amBUF-YUL

18h 02m1 stop

2:25 pm - 10:57 pmYUL-BUF

8h 32m1 stop

$416Delta

Find Deal

Mon, Oct 27 - Tue, Nov 4

6:03 am - 11:39 pmBUF-YYZ

17h 36m1 stop

6:04 am - 1:47 pmYYZ-BUF

7h 43m1 stop

$441Delta

Find Deal

Sun, Oct 12 - Thu, Oct 23

7:00 am - 11:48 pmBUF-YUL

16h 48m2 stops

6:00 am - 7:15 pmYUL-BUF

13h 15m2 stops

$445Delta

Find Deal

Wed, Oct 15 - Wed, Oct 22

8:30 pm - 4:43 pmBUF-YOW

20h 13m1 stop

5:25 pm - 3:52 pmYOW-BUF

22h 27m2 stops

$556United Airlines

Find Deal

Sat, Oct 11 - Fri, Oct 17

8:30 pm - 1:09 pmBUF-YOW

16h 39m2 stops

5:25 pm - 3:52 pmYOW-BUF

22h 27m2 stops

$563United Airlines

Find Deal

Sat, Oct 11 - Fri, Oct 17

12:06 pm - 5:34 pmBUF-YUL

5h 28m1 stop

12:36 pm - 11:39 pmYUL-BUF

11h 03m1 stop

$629WestJet

Find Deal

Wed, Oct 15 - Wed, Oct 22

12:06 pm - 11:48 pmBUF-YUL

11h 42m1 stop

7:00 am - 11:00 amYUL-BUF

28h 00m1 stop

$638WestJet

Find Deal

Fri, Nov 7 - Mon, Nov 10

United Airlines flights from Buffalo to Region of Ontario

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

United Airlines

Oct 11

BUF8:30 pmBuffalo

20h 13m

1 stop

YOW4:43 pmOttawa

Oct 17

YOW5:25 pmOttawa

22h 27m

2 stops

BUF3:52 pmBuffalo

$556

Find similar

United Airlines

Oct 11

BUF8:30 pmBuffalo

16h 39m

2 stops

YOW1:09 pmOttawa

Oct 17

YOW5:25 pmOttawa

22h 27m

2 stops

BUF3:52 pmBuffalo

$563

Find similar

United Airlines

Oct 18

BUF7:45 pmBuffalo

14h 24m

2 stops

YUL10:09 amMontreal Pierre Elliott Trudeau Intl

Oct 22

YUL7:10 pmMontreal Pierre Elliott Trudeau Intl

14h 33m

1 stop

BUF9:43 amBuffalo

$610

Find similar

WestJet flights from Buffalo to Region of Ontario

Our best WestJet deals on Buffalo to Region of Ontario flight tickets

WestJet

Oct 15

BUF12:06 pmBuffalo

5h 28m

1 stop

YUL5:34 pmMontreal Pierre Elliott Trudeau Intl

Oct 22

YUL12:36 pmMontreal Pierre Elliott Trudeau Intl

11h 03m

1 stop

BUF11:39 pmBuffalo

$629

Find similar

WestJet

Nov 7

BUF12:06 pmBuffalo

11h 42m

1 stop

YUL11:48 pmMontreal Pierre Elliott Trudeau Intl

Nov 10

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

28h 00m

1 stop

BUF11:00 amBuffalo

$638

Find similar

WestJet

Nov 7

BUF6:00 amBuffalo

18h 43m

2 stops

YUL12:43 amMontreal Pierre Elliott Trudeau Intl

Nov 9

YUL6:45 amMontreal Pierre Elliott Trudeau Intl

28h 15m

2 stops

BUF11:00 amBuffalo

$698

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 10/16

7:14 pm-9:21 pm

1 stop26h 07m

Toronto Pearson Intl

Sun 10/19

7:45 am-6:03 pm

2 stops10h 18m

$366

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 10/15

6:23 pm-9:50 am

1 stop15h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

10:30 am-5:41 pm

1 stop7h 11m

$400

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Fri 10/24

12:15 pm-10:40 pm

2 stops10h 25m

Toronto Pearson Intl

Mon 10/27

12:50 pm-8:18 pm

1 stop7h 28m

$415

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 10/27

2:35 pm-8:37 am

1 stop18h 02m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

2:25 pm-10:57 pm

1 stop8h 32m

$416

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 10/12

6:03 am-11:39 pm

1 stop17h 36m

Toronto Pearson Intl

Thu 10/23

6:04 am-1:47 pm

1 stop7h 43m

$441

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 10/15

7:00 am-11:48 pm

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:00 am-7:15 pm

2 stops13h 15m

$445

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 10/11

8:30 pm-4:43 pm

1 stop20h 13m

Ottawa

Fri 10/17

5:25 pm-3:52 pm

2 stops22h 27m

$556

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sat 10/11

8:30 pm-1:09 pm

2 stops16h 39m

Ottawa

Fri 10/17

5:25 pm-3:52 pm

2 stops22h 27m

$563

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 10/15

12:06 pm-5:34 pm

1 stop5h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

12:36 pm-11:39 pm

1 stop11h 03m

$629

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 11/7

12:06 pm-11:48 pm

1 stop11h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

7:00 am-11:00 am

1 stop28h 00m

$638

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 Buffalo 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 day to depart on your flight to Region of Ontario?

According to our data, Saturday is the cheapest day to fly to Region of Ontario from Buffalo. The lowest ticket price found for a Saturday departure recently was $688. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Buffalo to Region of Ontario on a Tuesday will generally be more expensive and average around $890. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Buffalo to Region of Ontario flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Buffalo Airport to Ontario?
Prices for flights from Buffalo Airport to Ontario were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Ontario?
The number of operators available for flights from Buffalo Airport to Ontario is 1 as of September 2025.
How old do you have to be to fly from Buffalo 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 Buffalo 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.

Why use momondo?

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

It is quick and easy to find Buffalo 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 Buffalo to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Buffalo to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Buffalo 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 Buffalo to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Buffalo and alert you when they change.