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Cheap flights from Ontario to Buffalo from C$ 247

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 Buffalo departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Buffalo

Cheap round-trip flights

Multiple Airlines Logo
5:15 p.m. - 6:17 p.m.YYZ-BUF
25h 02m1 stop
Multiple Airlines Logo
9:53 p.m. - 12:11 a.m.BUF-YYZ
26h 18m1 stop
C$ 412Multiple Airlines
Find Deal
Fri, 31 Oct - Mon, 10 Nov
Multiple Airlines Logo
7:15 a.m. - 8:53 p.m.YYZ-BUF
13h 38m2 stops
Multiple Airlines Logo
9:53 p.m. - 12:11 a.m.BUF-YYZ
26h 18m1 stop
C$ 419Multiple Airlines
Find Deal
Fri, 31 Oct - Mon, 10 Nov
Delta Logo
6:00 a.m. - 11:43 p.m.YUL-BUF
17h 43m2 stops
Delta Logo
6:00 a.m. - 6:40 p.m.BUF-YUL
12h 40m1 stop
C$ 486Delta
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Delta Logo
6:00 a.m. - 7:15 p.m.YYZ-BUF
13h 15m1 stop
Delta Logo
7:55 p.m. - 5:23 p.m.BUF-YYZ
21h 28m1 stop
C$ 523Delta
Find Deal
Thu, 16 Oct - Mon, 20 Oct
United Airlines Logo
8:20 a.m. - 9:00 p.m.YUL-BUF
12h 40m2 stops
United Airlines Logo
7:30 p.m. - 7:32 a.m.BUF-YUL
12h 02m2 stops
C$ 638United Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
United Airlines Logo
1:10 p.m. - 10:58 p.m.YUL-BUF
9h 48m1 stop
United Airlines Logo
6:00 a.m. - 1:28 p.m.BUF-YUL
7h 28m1 stop
C$ 649United Airlines
Find Deal
Sat, 8 Nov - Tue, 11 Nov
American Airlines Logo
7:14 a.m. - 5:37 p.m.YYZ-BUF
10h 23m1 stop
American Airlines Logo
11:26 a.m. - 7:04 p.m.BUF-YYZ
7h 38m1 stop
C$ 650American Airlines
Find Deal
Sun, 26 Oct - Fri, 14 Nov
WestJet Logo
2:45 p.m. - 1:02 p.m.YUL-BUF
22h 17m1 stop
WestJet Logo
6:00 a.m. - 11:54 p.m.BUF-YUL
17h 54m1 stop
C$ 777WestJet
Find Deal
Tue, 13 Jan - Fri, 16 Jan
WestJet Logo
12:45 p.m. - 9:25 p.m.YUL-BUF
8h 40m1 stop
WestJet Logo
6:10 a.m. - 5:21 p.m.BUF-YUL
11h 11m1 stop
C$ 792WestJet
Find Deal
Fri, 28 Nov - Sun, 30 Nov
American Airlines Logo
7:30 a.m. - 11:44 p.m.YUL-BUF
16h 14m2 stops
American Airlines Logo
3:27 p.m. - 10:59 p.m.BUF-YUL
31h 32m1 stop
C$ 855American Airlines
Find Deal
Thu, 6 Nov - Wed, 12 Nov

Delta flights from Region of Ontario to Buffalo

Our best Delta deals on Region of Ontario to Buffalo flight tickets
Delta
4 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 43m
2 stops
BUF11:43 p.m.Buffalo
11 Nov
BUF6:00 a.m.Buffalo
12h 40m
1 stop
YUL6:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 486
Find similar
Delta
16 Oct
YYZ6:00 a.m.Toronto Pearson Intl
13h 15m
1 stop
BUF7:15 p.m.Buffalo
20 Oct
BUF7:55 p.m.Buffalo
21h 28m
1 stop
YYZ5:23 p.m.Toronto Pearson Intl
C$ 523
Find similar
Delta
25 Oct
YYZ6:00 a.m.Toronto Pearson Intl
9h 10m
1 stop
BUF3:10 p.m.Buffalo
12 Nov
BUF6:00 a.m.Buffalo
17h 05m
2 stops
YYZ11:05 p.m.Toronto Pearson Intl
C$ 525
Find similar

American Airlines flights from Region of Ontario to Buffalo

Our best American Airlines deals on Region of Ontario to Buffalo flight tickets
American Airlines
26 Oct
YYZ7:14 a.m.Toronto Pearson Intl
10h 23m
1 stop
BUF5:37 p.m.Buffalo
14 Nov
BUF11:26 a.m.Buffalo
7h 38m
1 stop
YYZ7:04 p.m.Toronto Pearson Intl
C$ 650
Find similar
American Airlines
6 Nov
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
16h 14m
2 stops
BUF11:44 p.m.Buffalo
12 Nov
BUF3:27 p.m.Buffalo
31h 32m
1 stop
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 855
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Buffalo 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 96,600 searches. Data last updated 22 September 2025.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 31/10

5:15 p.m.-6:17 p.m.

1 stop25h 02m

Buffalo

Mon 10/11

9:53 p.m.-12:11 a.m.

1 stop26h 18m

C$ 412

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 31/10

7:15 a.m.-8:53 p.m.

2 stops13h 38m

Buffalo

Mon 10/11

9:53 p.m.-12:11 a.m.

1 stop26h 18m

C$ 419

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

6:00 a.m.-11:43 p.m.

2 stops17h 43m

Buffalo

Tue 11/11

6:00 a.m.-6:40 p.m.

1 stop12h 40m

C$ 486

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 16/10

6:00 a.m.-7:15 p.m.

1 stop13h 15m

Buffalo

Mon 20/10

7:55 p.m.-5:23 p.m.

1 stop21h 28m

C$ 523

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

8:20 a.m.-9:00 p.m.

2 stops12h 40m

Buffalo

Tue 11/11

7:30 p.m.-7:32 a.m.

2 stops12h 02m

C$ 638

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

1:10 p.m.-10:58 p.m.

1 stop9h 48m

Buffalo

Tue 11/11

6:00 a.m.-1:28 p.m.

1 stop7h 28m

C$ 649

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 26/10

7:14 a.m.-5:37 p.m.

1 stop10h 23m

Buffalo

Fri 14/11

11:26 a.m.-7:04 p.m.

1 stop7h 38m

C$ 650

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

2:45 p.m.-1:02 p.m.

1 stop22h 17m

Buffalo

Fri 16/1

6:00 a.m.-11:54 p.m.

1 stop17h 54m

C$ 777

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

12:45 p.m.-9:25 p.m.

1 stop8h 40m

Buffalo

Sun 30/11

6:10 a.m.-5:21 p.m.

1 stop11h 11m

C$ 792

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

7:30 a.m.-11:44 p.m.

2 stops16h 14m

Buffalo

Wed 12/11

3:27 p.m.-10:59 p.m.

1 stop31h 32m

C$ 855

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Buffalo from

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

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 day to depart on your flight to Buffalo?

The cheapest day to depart from Region of Ontario to Buffalo is on a Wednesday. Travellers who choose to depart for Buffalo on a Wednesday will often find tickets for as low as C$ 748. Flights from Region of Ontario to Buffalo on a Thursday will generally be more expensive and average around C$ 975. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

Our data shows that the cheapest Region of Ontario to Buffalo flights are usually those with departure times in the afternoon. Our users have found flights to Buffalo in the afternoon for as low as C$ 837. In contrast, the most expensive time of day to depart to Buffalo is in the evening when prices are around C$ 978.

Cheap Region of Ontario to Buffalo flight deals and tips

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

Direct flights

None
There are no direct flights from Region of Ontario to Buffalo. There are no popular flight routes from Region of Ontario to Buffalo.
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  • When did momondo last update prices for flights from Ontario to Buffalo Airport?

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

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

  • How old do you have to be to fly from Ontario to Buffalo Airport?

    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 Ontario to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The required travel and health documents for your Buffalo 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 Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Buffalo

Compare and see reviews for airlines that fly from Region of Ontario to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 634Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights

Travelling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Amherst
Williamsville
Orchard Park
Cheektowaga
Batavia
East Aurora
Lockport
Grand Island
Bowmansville

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Buffalo . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Buffalo from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ontario to Buffalo 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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