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$201+ Cheap flights from Ontario to Buffalo (BUF)

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Ontario to Buffalo

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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:40 pm
YYZ
-
BUF
2 stops45h 14m
Multiple Airlines
Tue 3/37:17 pm
BUF
-
YYZ
1 stop19h 03m
Multiple Airlines
Deal found 1/27$328
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:25 am
YTZ
-
BUF
1 stop14h 07m
Multiple Airlines
Tue 3/36:00 am
BUF
-
YTZ
1 stop12h 55m
Multiple Airlines
Deal found 1/27$357
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/97:15 am
YYZ
-
BUF
1 stop11h 21m
Multiple Airlines
Thu 2/121:39 pm
BUF
-
YYZ
2 stops24h 29m
Multiple Airlines
Deal found 1/26$402
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:30 pm
YYZ
-
BUF
2 stops21h 51m
Multiple Airlines
Mon 2/2311:17 am
BUF
-
YYZ
1 stop27h 03m
Multiple Airlines
Deal found 1/27$406
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:10 am
YYZ
-
BUF
1 stop11h 26m
Multiple Airlines
Mon 2/97:31 pm
BUF
-
YYZ
1 stop18h 37m
Multiple Airlines
Deal found 1/28$411
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:25 pm
YYZ
-
BUF
1 stop8h 14m
Delta
Fri 2/276:01 am
BUF
-
YYZ
1 stop11h 46m
Delta
Deal found 1/26$449
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:10 pm
YYZ
-
BUF
2 stops22h 03m
United Airlines
Tue 3/36:07 am
BUF
-
YYZ
1 stop8h 07m
United Airlines
Deal found 1/27$457
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:50 am
YYZ
-
BUF
1 stop9h 08m
Delta
Wed 2/256:01 am
BUF
-
YYZ
1 stop10h 13m
Delta
Deal found 1/27$468
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:05 am
YYZ
-
BUF
2 stops26h 48m
Multiple Airlines
Sun 3/110:47 am
BUF
-
YYZ
1 stop27h 33m
Multiple Airlines
Deal found 1/25$469
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:40 pm
YYZ
-
BUF
1 stop18h 33m
United Airlines
Mon 2/236:07 am
BUF
-
YYZ
1 stop17h 39m
United Airlines
Deal found 1/27$473
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:30 pm
YYZ
-
BUF
2 stops16h 14m
Multiple Airlines
Tue 2/107:17 pm
BUF
-
YYZ
1 stop18h 59m
Multiple Airlines
Deal found 1/25$487
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:10 pm
YTZ
-
BUF
1 stop8h 06m
Multiple Airlines
Wed 2/258:00 am
BUF
-
YTZ
1 stop5h 47m
Multiple Airlines
Deal found 1/27$504

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Kiwi.com)

One-way from

$201
(Kiwi.com)
Provider with most accurate pricing for Toronto (YTO)-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Buffalo flights.
Search Deals
From Ontario to Buffalo
Search Deals
One-way flight from 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 2,558,603 searches. Data last updated January 28, 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 2/24

9:25 am-11:32 pm

1 stop14h 07m

Buffalo

Tue 3/3

6:00 am-6:55 pm

1 stop12h 55m

$357

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 2/20

2:25 pm-10:39 pm

1 stop8h 14m

Buffalo

Fri 2/27

6:01 am-5:47 pm

1 stop11h 46m

$449

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 2/24

10:00 am-11:44 pm

1 stop13h 44m

Buffalo

Tue 3/3

6:07 am-6:57 pm

1 stop12h 50m

$457

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 2/18

7:50 am-4:58 pm

1 stop9h 08m

Buffalo

Wed 2/25

6:01 am-4:14 pm

1 stop10h 13m

$468

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 2/22

10:05 am-12:53 pm

2 stops26h 48m

Buffalo

Sun 3/1

10:47 am-2:20 pm

1 stop27h 33m

$469

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 2/16

7:40 pm-2:13 pm

1 stop18h 33m

Buffalo

Mon 2/23

6:07 am-11:46 pm

1 stop17h 39m

$473

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 2/7

8:30 pm-12:44 pm

2 stops16h 14m

Buffalo

Tue 2/10

7:17 pm-2:16 pm

1 stop18h 59m

$487

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 2/9

7:15 am-6:36 pm

1 stop11h 21m

Buffalo

Thu 2/12

11:07 am-9:19 pm

1 stop10h 12m

$492

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 2/22

6:00 am-12:14 am

1 stop18h 14m

Buffalo

Sun 3/1

6:01 am-8:35 pm

1 stop14h 34m

$504

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 3/8

8:20 pm-10:49 am

1 stop14h 29m

Buffalo

Tue 3/10

12:07 pm-7:10 am

2 stops19h 03m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 30 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 8.3 mi from the center 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 8h 14m. Your travel time can differ by up to 5h 30m. The distance from Region of Ontario to Buffalo is about 68 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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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