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Cheap flights from Ontario to Buffalo from C$ 286

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Buffalo

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Buffalo
Explore the most affordable flight options available from Ontario to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Tue 24/23:40 p.m.
YYZ
-
BUF
2 stops45h 14m
Multiple Airlines
Tue 3/37:17 p.m.
BUF
-
YYZ
1 stop19h 03m
Multiple Airlines
Deal found 27/1C$ 448
Tue 24/29:25 a.m.
YTZ
-
BUF
1 stop14h 07m
Multiple Airlines
Tue 3/36:00 a.m.
BUF
-
YTZ
1 stop12h 55m
Multiple Airlines
Deal found 27/1C$ 488
Mon 9/27:15 a.m.
YYZ
-
BUF
1 stop11h 21m
Multiple Airlines
Thu 12/21:39 p.m.
BUF
-
YYZ
2 stops24h 29m
Multiple Airlines
Deal found 26/1C$ 549
Mon 16/28:30 p.m.
YYZ
-
BUF
2 stops21h 51m
Multiple Airlines
Mon 23/211:17 a.m.
BUF
-
YYZ
1 stop27h 03m
Multiple Airlines
Deal found 27/1C$ 555
Fri 13/37:30 p.m.
YUL
-
BUF
1 stop24h 46m
Delta
Fri 20/36:02 a.m.
BUF
-
YUL
1 stop26h 28m
Delta
Deal found 26/1C$ 560
Mon 9/32:29 p.m.
YUL
-
BUF
1 stop8h 44m
Delta
Tue 17/310:23 a.m.
BUF
-
YUL
1 stop8h 12m
Delta
Deal found 26/1C$ 593
Fri 20/22:25 p.m.
YYZ
-
BUF
1 stop8h 14m
Delta
Fri 27/26:01 a.m.
BUF
-
YYZ
1 stop11h 46m
Delta
Deal found 26/1C$ 614
Tue 24/24:10 p.m.
YYZ
-
BUF
2 stops22h 03m
United Airlines
Tue 3/36:07 a.m.
BUF
-
YYZ
1 stop8h 07m
United Airlines
Deal found 27/1C$ 625
Wed 18/27:50 a.m.
YYZ
-
BUF
1 stop9h 08m
Delta
Wed 25/26:01 a.m.
BUF
-
YYZ
1 stop10h 13m
Delta
Deal found 27/1C$ 640
Sun 22/210:05 a.m.
YYZ
-
BUF
2 stops26h 48m
Multiple Airlines
Sun 1/310:47 a.m.
BUF
-
YYZ
1 stop27h 33m
Multiple Airlines
Deal found 25/1C$ 641
Mon 16/27:40 p.m.
YYZ
-
BUF
1 stop18h 33m
United Airlines
Mon 23/26:07 a.m.
BUF
-
YYZ
1 stop17h 39m
United Airlines
Deal found 27/1C$ 647
Sat 7/28:30 p.m.
YYZ
-
BUF
2 stops16h 14m
Multiple Airlines
Tue 10/27:17 p.m.
BUF
-
YYZ
1 stop18h 59m
Multiple Airlines
Deal found 25/1C$ 666

Find flight deals from Ontario to Buffalo

Keep the following information in mind while searching for Ontario to Buffalo flight deals. Data was last updated 27 January 2026.

Round-trip from

C$ 488

One-way from

C$ 286
24/2-3/3
  • 24/2-3/3
  • 2 total stops
  • 27h 02m total
  • Ontario to Buffalo
Search Deals
8/3
  • 8/3
  • 2 total stops
  • 20h 44m total
  • Ontario to Buffalo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 629,999 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Ontario

Fly to

Buffalo

Route

Depart

Return

Price

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Tue 24/2

9:25 a.m.-11:32 p.m.

1 stop14h 07m

Buffalo

Tue 3/3

6:00 a.m.-6:55 p.m.

1 stop12h 55m

C$ 488

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

7:30 p.m.-8:16 p.m.

1 stop24h 46m

Buffalo

Fri 20/3

7:56 p.m.-11:45 p.m.

2 stops27h 49m

C$ 590

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

2:29 p.m.-11:13 p.m.

1 stop8h 44m

Buffalo

Tue 17/3

10:23 a.m.-6:35 p.m.

1 stop8h 12m

C$ 593

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 20/2

2:25 p.m.-10:39 p.m.

1 stop8h 14m

Buffalo

Fri 27/2

6:01 a.m.-5:47 p.m.

1 stop11h 46m

C$ 614

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 24/2

10:00 a.m.-11:44 p.m.

1 stop13h 44m

Buffalo

Tue 3/3

6:07 a.m.-6:57 p.m.

1 stop12h 50m

C$ 625

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 18/2

7:50 a.m.-4:58 p.m.

1 stop9h 08m

Buffalo

Wed 25/2

6:01 a.m.-4:14 p.m.

1 stop10h 13m

C$ 640

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 22/2

10:05 a.m.-12:53 p.m.

2 stops26h 48m

Buffalo

Sun 1/3

10:47 a.m.-2:20 p.m.

1 stop27h 33m

C$ 641

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 16/2

7:40 p.m.-2:13 p.m.

1 stop18h 33m

Buffalo

Mon 23/2

6:07 a.m.-11:46 p.m.

1 stop17h 39m

C$ 647

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 7/2

8:30 p.m.-12:44 p.m.

2 stops16h 14m

Buffalo

Tue 10/2

7:17 p.m.-2:16 p.m.

1 stop18h 59m

C$ 666

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 9/2

7:15 a.m.-6:36 p.m.

1 stop11h 21m

Buffalo

Thu 12/2

11:07 a.m.-9:19 p.m.

1 stop10h 12m

C$ 673

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 49 results
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Best time to book a flight from Ontario to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Buffalo
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Buffalo from Ontario?

    If you book a flight to Buffalo from Ontario, you will be flying to Buffalo, which is the city’s only airport. Buffalo (BUF) is located 13.4 km from the centre of Buffalo.

  • How long is the flight from Region of Ontario to Buffalo?

    Delta and United Airlines can get you from Region of Ontario to Buffalo in just under 13h 44m. Your travel time can differ by up to 11h 02m. There are 109 km between Region of Ontario and Buffalo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Buffalo?

    The most popular flight routes from Region of Ontario to Buffalo are Montreal Pierre Elliott Trudeau Intl - Buffalo, Toronto Pearson Intl - Buffalo and Toronto Island - Buffalo.

  • Can I find deals for flights from Ontario to Buffalo that include hotel bookings?

    Yes. In addition to deals on Ontario to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buffalo.

  • Can I find deals for business class flights from Ontario to Buffalo?

    Yes. Cheapflights offers flight deals from Ontario to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Tonawanda
Batavia
Cheektowaga
Williamsville
Amherst

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Buffalo?

Cheapflights helps you search for flights from Ontario to Buffalo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Buffalo?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Buffalo by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Buffalo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Buffalo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Buffalo become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Buffalo from Ontario today and book when prices fit your budget.

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