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$160+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/153:18 pmBUF - YYZ
1 stop22h 47mMultiple Airlines
Mon 12/227:10 amYYZ - BUF
1 stop13h 58mMultiple Airlines
Deal found 12/13$532
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/153:18 pmBUF - YYZ
1 stop22h 47mMultiple Airlines
Fri 12/197:15 amYYZ - BUF
1 stop13h 25mMultiple Airlines
Deal found 12/13$549
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/153:18 pmBUF - YYZ
1 stop22h 47mMultiple Airlines
Sat 12/207:10 amYYZ - BUF
1 stop13h 40mMultiple Airlines
Deal found 12/13$552
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/143:18 pmBUF - YYZ
1 stop20h 25mMultiple Airlines
Wed 12/177:10 amYYZ - BUF
1 stop30h 02mMultiple Airlines
Deal found 12/13$617
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/143:18 pmBUF - YYZ
1 stop23h 02mMultiple Airlines
Mon 12/227:10 amYYZ - BUF
1 stop13h 58mMultiple Airlines
Deal found 12/13$668
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:35 pmBUF - YYZ
1 stop16h 23mUnited Airlines
Wed 1/76:50 amYYZ - BUF
1 stop13h 39mUnited Airlines
Deal found 12/14$683
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/143:18 pmBUF - YYZ
1 stop23h 02mMultiple Airlines
Fri 12/197:15 amYYZ - BUF
1 stop13h 25mMultiple Airlines
Deal found 12/13$685
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/143:18 pmBUF - YYZ
1 stop23h 02mMultiple Airlines
Sat 12/207:10 amYYZ - BUF
1 stop13h 40mMultiple Airlines
Deal found 12/13$688
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:59 pmBUF - YUL
1 stop7h 18mUnited Airlines
Mon 12/292:13 pmYUL - BUF
1 stop4h 53mUnited Airlines
Deal found 12/13$873
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Thu 12/252:07 pmBUF - YUL
1 stop10h 23mMultiple Airlines
Mon 12/294:35 pmYUL - BUF
2 stops26h 38mMultiple Airlines
Deal found 12/13$893
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:50 amBUF - YTZ
1 stop6h 34mMultiple Airlines
Wed 12/3111:05 amYTZ - BUF
1 stop8h 23mMultiple Airlines
Deal found 12/14$998
This Air Canada deal was found by Cheapflights users on 12/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amBUF - YOW
1 stop7h 32mMultiple Airlines
Sun 12/285:59 pmYOW - BUF
1 stop4h 56mMultiple Airlines
Deal found 12/14$1,008

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$292
(Kiwi.com)

One-way from

$160
(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 December 15, 2025.
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

Sat 1/10

6:33 pm-2:05 pm

1 stop19h 32m

Toronto Pearson Intl

Sat 1/17

7:10 am-7:11 pm

1 stop12h 01m

$292

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 1/11

1:15 pm-11:54 pm

2 stops34h 39m

Toronto Pearson Intl

Sun 1/18

7:10 am-8:03 pm

1 stop12h 53m

$310

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 1/15

7:14 pm-2:40 pm

2 stops19h 26m

Toronto Pearson Intl

Tue 2/17

7:10 am-6:21 pm

1 stop11h 11m

$343

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sat 3/7

11:44 am-12:14 am

1 stop12h 30m

Toronto Pearson Intl

Sat 3/28

7:10 am-8:30 pm

1 stop13h 20m

$372

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Mon 1/12

9:08 am-12:11 am

1 stop15h 03m

Toronto Pearson Intl

Mon 1/19

7:15 am-8:03 pm

1 stop12h 48m

$394

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 1/21

6:00 am-6:37 pm

1 stop12h 37m

Montreal Pierre Elliott Trudeau Intl

Fri 1/23

2:15 pm-10:52 pm

1 stop8h 37m

$432

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 1/28

6:00 am-1:22 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

2:15 pm-10:52 pm

1 stop8h 37m

$432

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 1/28

12:13 pm-4:25 pm

2 stops28h 12m

Toronto Pearson Intl

Wed 2/4

5:15 pm-7:04 pm

1 stop25h 49m

$444

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 4/29

2:30 pm-8:43 am

1 stop18h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

2:30 pm-1:46 pm

1 stop23h 16m

$511

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 1/22

6:00 am-1:22 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

2:15 pm-10:52 pm

1 stop8h 37m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 46 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 12h 28m. Fly via Delta or American Airlines to get the fastest option. The distance between Buffalo and Region of Ontario is about 224 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 - Ottawa 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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