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$167+ Cheap flights from Buffalo (BUF) to Ontario

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Mar 1 — Mar 81
Sun 3/1
Sun 3/8
1 adult, Economy
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Cheap flight deals from Buffalo to Ontario

Cheapest flights from Buffalo to Ontario
Explore the most affordable flight options available from Buffalo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/157:21 pm
BUF
-
YYZ
1 stop28h 53m
Multiple Airlines
Sun 3/227:10 am
YYZ
-
BUF
2 stops27h 54m
Multiple Airlines
Deal found 1/29$401
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.
Fri 2/67:31 pm
BUF
-
YYZ
1 stop18h 49m
Multiple Airlines
Mon 2/93:40 pm
YYZ
-
BUF
2 stops26h 41m
Multiple Airlines
Deal found 1/28$450
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/222:19 pm
BUF
-
YYZ
2 stops45h 09m
Multiple Airlines
Sat 2/287:10 am
YYZ
-
BUF
1 stop8h 42m
Multiple Airlines
Deal found 1/30$460
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/157:21 pm
BUF
-
YOW
1 stop28h 41m
Multiple Airlines
Sun 3/224:15 pm
YOW
-
BUF
2 stops18h 49m
Multiple Airlines
Deal found 1/29$467
This Delta deal was found by Cheapflights users on 1/29. 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.
Sun 3/1510:22 am
BUF
-
YUL
1 stop8h 13m
Delta
Tue 3/172:29 pm
YUL
-
BUF
1 stop8h 44m
Delta
Deal found 1/29$511
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:07 am
BUF
-
YYZ
1 stop12h 50m
United Airlines
Wed 3/42:15 pm
YYZ
-
BUF
1 stop23h 59m
United Airlines
Deal found 1/28$516
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.
Sun 2/111:02 am
BUF
-
YYZ
2 stops33h 09m
Multiple Airlines
Tue 2/107:15 am
YYZ
-
BUF
1 stop11h 06m
Multiple Airlines
Deal found 1/27$526
This Delta deal was found by Cheapflights users on 1/29. 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 2/2710:32 am
BUF
-
YUL
1 stop8h 03m
Delta
Fri 3/69:29 am
YUL
-
BUF
1 stop7h 29m
Delta
Deal found 1/29$538
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.
Sun 2/111:02 am
BUF
-
YOW
1 stop12h 56m
Multiple Airlines
Tue 2/104:15 pm
YOW
-
BUF
2 stops41h 57m
Multiple Airlines
Deal found 1/27$543
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.
Sat 2/144:37 pm
BUF
-
YYZ
1 stop7h 37m
Multiple Airlines
Sun 2/158:00 pm
YYZ
-
BUF
1 stop14h 02m
Multiple Airlines
Deal found 1/27$545
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.
Sat 1/3112:29 pm
BUF
-
YYZ
1 stop25h 51m
Multiple Airlines
Mon 2/27:10 am
YYZ
-
BUF
1 stop11h 26m
Multiple Airlines
Deal found 1/27$576
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.
Fri 2/2010:42 am
BUF
-
YYZ
1 stop13h 32m
Multiple Airlines
Sun 2/228:30 pm
YYZ
-
BUF
2 stops16h 23m
Multiple Airlines
Deal found 1/27$579

Find flight deals from Buffalo to Ontario

Keep the following information in mind while searching for Buffalo to Ontario flight deals. Data was last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$401
(Kiwi.com)

One-way from

$167
(Kiwi.com)
Provider with most accurate pricing for Buffalo-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Toronto (YTO) flights.
Search Deals
From Buffalo to Ontario
Search Deals
One-way flight from Buffalo to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Ontario 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 30, 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Buffalo

Fly to

Ontario

Route

Depart

Return

Price

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 2/22

2:19 pm-11:28 am

2 stops45h 09m

Toronto Pearson Intl

Sat 2/28

7:10 am-3:52 pm

1 stop8h 42m

$460

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 3/15

7:21 pm-12:02 am

1 stop28h 41m

Ottawa

Sun 3/22

4:15 pm-11:04 am

2 stops18h 49m

$467

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 3/15

10:22 am-6:35 pm

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Tue 3/17

2:29 pm-11:13 pm

1 stop8h 44m

$511

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 2/25

6:07 am-6:57 pm

1 stop12h 50m

Toronto Pearson Intl

Wed 3/4

2:15 pm-2:14 pm

1 stop23h 59m

$516

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sat 4/25

6:09 am-2:19 pm

1 stop8h 10m

Toronto Pearson Intl

Sat 5/2

9:44 am-11:44 pm

1 stop14h 00m

$516

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 2/27

10:32 am-6:35 pm

1 stop8h 03m

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

9:29 am-4:58 pm

1 stop7h 29m

$538

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Fri 2/20

10:42 am-12:14 am

1 stop13h 32m

Toronto Pearson Intl

Sun 2/22

8:30 pm-12:53 pm

2 stops16h 23m

$579

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 6/5

11:03 am-9:51 am

1 stop22h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 6/8

10:31 am-9:32 pm

1 stop11h 01m

$581

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 2/10

7:17 pm-12:14 am

1 stop28h 57m

Toronto Pearson Intl

Fri 2/13

3:15 pm-10:52 am

2 stops19h 37m

$583

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 3/25

7:00 am-4:02 pm

1 stop9h 02m

Toronto Pearson Intl

Thu 3/26

6:45 am-4:42 pm

1 stop9h 57m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 41 results
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Best time to book a flight from Buffalo to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Buffalo 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 Buffalo to Ontario
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 Buffalo to Ontario. 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 from for flights from Buffalo to Ontario?

    For a flight from Buffalo to Ontario, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city.

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

    There are many flights that can get you from Buffalo to Region of Ontario in 8h 13m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. The distance between Buffalo and Region of Ontario is about 302 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Buffalo - Montreal Pierre Elliott Trudeau Intl, Buffalo - Toronto Pearson Intl or Buffalo - Toronto Island when deciding on the best route from Buffalo to Region of Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Ontario 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

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Alternative routes for Buffalo to Ontario

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