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$120+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find 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 octubre 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/111:57 amBUF - YYZ
1 stop12h 14mMultiple Airlines
dom. 12/78:00 pmYYZ - BUF
1 stop18h 15mMultiple Airlines
Deal found 10/27$260
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/111:57 amBUF - YYZ
1 stop12h 14mMultiple Airlines
sáb. 12/68:20 pmYYZ - BUF
1 stop18h 03mMultiple Airlines
Deal found 10/27$264
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
sáb. 12/63:18 pmBUF - YYZ
1 stop8h 53mMultiple Airlines
dom. 12/78:00 pmYYZ - BUF
1 stop18h 15mMultiple Airlines
Deal found 10/27$265
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/111:57 amBUF - YYZ
1 stop12h 14mMultiple Airlines
vie. 12/512:50 pmYYZ - BUF
1 stop25h 25mMultiple Airlines
Deal found 10/27$273
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
lun. 12/111:57 amBUF - YYZ
1 stop12h 14mMultiple Airlines
jue. 12/45:15 pmYYZ - BUF
1 stop18h 36mMultiple Airlines
Deal found 10/27$280
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/1212:37 pmBUF - YOW
1 stop11h 21mMultiple Airlines
vie. 12/194:20 pmYOW - BUF
1 stop28h 30mMultiple Airlines
Deal found 10/28$298
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
jue. 12/412:35 pmBUF - YYZ
2 stops11h 36mMultiple Airlines
dom. 12/78:00 pmYYZ - BUF
1 stop18h 15mMultiple Airlines
Deal found 10/27$339
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
jue. 12/412:35 pmBUF - YYZ
2 stops11h 36mMultiple Airlines
sáb. 12/68:20 pmYYZ - BUF
1 stop18h 03mMultiple Airlines
Deal found 10/27$342
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
vie. 12/1212:37 pmBUF - YYZ
1 stop23h 06mMultiple Airlines
mar. 1/611:30 pmYYZ - BUF
2 stops32h 43mMultiple Airlines
Deal found 10/29$344
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
mié. 11/2611:57 amBUF - YYZ
2 stops32h 11mMultiple Airlines
mié. 12/32:20 pmYYZ - BUF
1 stop25h 40mMultiple Airlines
Deal found 10/29$356
This Delta deal was found by Cheapflights users on 10/27. 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.
mié. 12/1010:27 amBUF - YUL
1 stop8h 27mDelta
mié. 12/172:37 pmYUL - BUF
1 stop8h 25mDelta
Deal found 10/27$451
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/1212:37 pmBUF - YUL
2 stops31h 07mMultiple Airlines
vie. 12/194:35 pmYUL - BUF
1 stop28h 15mMultiple Airlines
Deal found 10/28$488

Cheap flight deals from Buffalo to Ontario

Keep the following information in mind while searching for Buffalo to Ontario flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$260
(Kiwi.com)

One-way from

$120
(Trip.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 octubre 29, 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

sáb. 12/6

3:18 pm-12:11 am

1 stop8h 53m

Toronto Pearson Intl

dom. 12/7

8:00 pm-2:15 pm

1 stop18h 15m

$265

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

vie. 12/12

12:37 pm-11:58 pm

1 stop11h 21m

Ottawa

vie. 12/19

4:20 pm-8:50 pm

1 stop28h 30m

$298

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

vie. 12/12

12:37 pm-11:43 am

1 stop23h 06m

Toronto Pearson Intl

mar. 1/6

11:30 pm-8:13 am

2 stops32h 43m

$344

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

lun. 12/1

11:57 am-12:11 am

1 stop12h 14m

Toronto Pearson Intl

jue. 12/4

5:15 pm-10:45 am

2 stops17h 30m

$350

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

vie. 12/5

11:30 am-12:11 am

2 stops12h 41m

Toronto Pearson Intl

sáb. 12/6

8:20 pm-2:23 pm

1 stop18h 03m

$381

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

lun. 11/24

11:57 am-12:11 am

1 stop12h 14m

Toronto Pearson Intl

mié. 12/3

7:45 pm-11:51 am

2 stops40h 06m

$393

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

sáb. 11/29

11:47 am-12:11 am

1 stop12h 24m

Toronto Pearson Intl

mié. 12/3

2:20 pm-4:00 pm

1 stop25h 40m

$401

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

sáb. 12/6

7:00 am-5:08 pm

1 stop10h 08m

Toronto Pearson Intl

mar. 12/9

6:00 am-3:15 pm

1 stop9h 15m

$412

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

mar. 12/2

6:00 am-5:48 pm

1 stop11h 48m

Toronto Pearson Intl

mar. 12/9

6:05 am-2:17 pm

1 stop8h 12m

$412

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

mié. 12/3

7:00 am-10:57 pm

1 stop15h 57m

Toronto Pearson Intl

mar. 12/9

10:20 am-11:02 pm

1 stop12h 42m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 48 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 27m. 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 - 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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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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