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$184+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/133:00 pm
BUF
-
YYZ
1 stop9h 29m
Multiple Airlines
Mon 4/205:15 pm
YYZ
-
BUF
2 stops19h 27m
Multiple Airlines
Deal found 3/16$365
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/98:59 pm
BUF
-
YYZ
1 stop17h 21m
Multiple Airlines
Wed 4/156:30 am
YYZ
-
BUF
2 stops29h 10m
Multiple Airlines
Deal found 3/15$410
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 6/1211:55 am
BUF
-
YYZ
1 stop8h 10m
Multiple Airlines
Sun 6/144:50 pm
YYZ
-
BUF
1 stop19h 26m
Multiple Airlines
Deal found 3/16$421
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/128:59 pm
BUF
-
YYZ
1 stop14h 27m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
BUF
2 stops29h 17m
Multiple Airlines
Deal found 3/15$454
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Thu 5/288:49 pm
BUF
-
YYZ
1 stop26h 46m
Multiple Airlines
Wed 6/39:50 am
YYZ
-
BUF
1 stop9h 09m
Multiple Airlines
Deal found 3/14$491
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:01 pm
BUF
-
YUL
1 stop20h 43m
American Airlines
Wed 5/612:30 pm
YUL
-
BUF
1 stop22h 21m
American Airlines
Deal found 3/15$496
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/1911:36 am
BUF
-
YYZ
2 stops23h 59m
Multiple Airlines
Fri 5/224:50 pm
YYZ
-
BUF
1 stop26h 09m
Multiple Airlines
Deal found 3/13$497
This Delta deal was found by Cheapflights users on 3/15. 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 4/36:02 am
BUF
-
YYZ
1 stop14h 28m
Delta
Sun 4/56:00 am
YYZ
-
BUF
1 stop9h 14m
Delta
Deal found 3/15$529
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/136:00 am
BUF
-
YUL
1 stop7h 39m
Delta
Tue 4/212:29 pm
YUL
-
BUF
1 stop9h 02m
Delta
Deal found 3/16$533
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 3/209:25 pm
BUF
-
YYZ
1 stop14h 00m
Multiple Airlines
Mon 3/307:10 am
YYZ
-
BUF
1 stop13h 20m
Multiple Airlines
Deal found 3/13$535
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 4/291:56 pm
BUF
-
YUL
2 stops34h 49m
Multiple Airlines
Wed 5/612:50 pm
YUL
-
BUF
1 stop5h 45m
Multiple Airlines
Deal found 3/15$538
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:10 am
BUF
-
YUL
1 stop22h 38m
American Airlines
Thu 7/1610:30 am
YUL
-
BUF
1 stop10h 37m
American Airlines
Deal found 3/15$544

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$410
(Kiwi.com)

One-way from

$184
(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 March 16, 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 4/9

8:59 pm-2:20 pm

1 stop17h 21m

Toronto Pearson Intl

Wed 4/15

6:30 am-11:40 am

2 stops29h 10m

$411

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 5/28

8:49 pm-7:35 pm

2 stops22h 46m

Toronto Pearson Intl

Wed 6/3

9:50 am-6:59 pm

1 stop9h 09m

$510

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Fri 3/20

9:25 pm-11:25 am

1 stop14h 00m

Toronto Pearson Intl

Mon 3/30

7:10 am-8:30 pm

1 stop13h 20m

$535

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 4/27

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Thu 4/30

6:35 pm-11:44 pm

1 stop5h 09m

$571

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 4/16

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

9:15 am-2:17 pm

1 stop5h 02m

$571

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 4/29

6:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 5/6

9:45 am-4:54 pm

1 stop7h 09m

$571

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 4/12

7:45 pm-12:13 am

1 stop4h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

9:15 am-2:17 pm

1 stop5h 02m

$571

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 4/30

1:08 pm-11:45 am

2 stops22h 37m

Toronto Pearson Intl

Thu 5/7

7:45 am-6:46 pm

1 stop11h 01m

$579

BuffaloToronto

BUF - YTZ

BUFYTZ

Buffalo

Wed 4/15

9:48 am-3:19 pm

1 stop5h 31m

Toronto Island

Tue 5/5

3:05 pm-10:57 pm

1 stop7h 52m

$602

BuffaloToronto

BUF - YTZ

BUFYTZ

Buffalo

Tue 5/19

2:28 pm-7:17 pm

1 stop4h 49m

Toronto Island

Fri 5/22

3:05 pm-9:38 pm

1 stop6h 33m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 60 resultsSorted by cheapest first
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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 7h 09m. Fly via United Airlines to get the fastest option. The distance between Buffalo and Region of Ontario is about 302 mi.

  • 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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