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$111+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
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 noviembre 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 12/512:37 pmBUF - YYZ
1 stop11h 34mMultiple Airlines
dom. 12/78:20 pmYYZ - BUF
1 stop17h 55mMultiple Airlines
Deal found 11/6$390
This Delta deal was found by Cheapflights users on 11/5. 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. 12/36:00 amBUF - YYZ
1 stop11h 48mDelta
mié. 12/106:00 amYYZ - BUF
1 stop9h 15mDelta
Deal found 11/5$418
This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 11/202:01 pmBUF - YYZ
1 stop7h 18mMultiple Airlines
dom. 11/237:10 amYYZ - BUF
2 stops27h 52mMultiple Airlines
Deal found 11/6$422
This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 11/2210:24 amBUF - YYZ
2 stops37h 14mMultiple Airlines
mié. 11/2610:55 amYYZ - BUF
1 stop23h 50mMultiple Airlines
Deal found 11/6$423
This Kiwi.com deal was found by Cheapflights users on 11/5. 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. 11/179:53 pmBUF - YYZ
1 stop16h 12mMultiple Airlines
jue. 11/207:00 amYYZ - BUF
2 stops27h 57mMultiple Airlines
Deal found 11/5$474
This Kiwi.com deal was found by Cheapflights users on 11/5. 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. 12/2411:08 amBUF - YYZ
1 stop27h 12mMultiple Airlines
mar. 12/308:20 pmYYZ - BUF
2 stops20h 29mMultiple Airlines
Deal found 11/5$489
This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 11/2111:52 amBUF - YYZ
1 stop8h 08mMultiple Airlines
sáb. 11/222:20 pmYYZ - BUF
1 stop22h 44mMultiple Airlines
Deal found 11/6$529
This United Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 11/276:00 amBUF - YUL
2 stops11h 55mUnited Airlines
mié. 12/37:00 amYUL - BUF
1 stop16h 34mUnited Airlines
Deal found 11/5$533
This Kiwi.com deal was found by Cheapflights users on 11/5. 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. 12/277:05 pmBUF - YOW
2 stops17h 30mMultiple Airlines
mar. 12/309:35 amYOW - BUF
1 stop8h 02mMultiple Airlines
Deal found 11/5$553
This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 11/1412:29 pmBUF - YYZ
2 stops11h 42mMultiple Airlines
dom. 11/168:15 pmYYZ - BUF
1 stop15h 29mMultiple Airlines
Deal found 11/6$564
This Kiwi.com deal was found by Cheapflights users on 11/6. 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. 12/182:07 pmBUF - YOW
1 stop9h 51mMultiple Airlines
vie. 12/199:30 amYOW - BUF
1 stop11h 10mMultiple Airlines
Deal found 11/6$609
This Kiwi.com deal was found by Cheapflights users on 11/5. 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. 12/265:40 pmBUF - YOW
2 stops18h 55mMultiple Airlines
mar. 12/309:35 amYOW - BUF
1 stop8h 02mMultiple Airlines
Deal found 11/5$610

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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$410
(Kiwi.com)

One-way from

$111
(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 noviembre 6, 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

jue. 3/5

9:57 am-12:14 am

1 stop14h 17m

Toronto Pearson Intl

dom. 3/8

7:10 am-8:33 pm

1 stop13h 23m

$410

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

mié. 12/3

6:00 am-5:48 pm

1 stop11h 48m

Toronto Pearson Intl

mié. 12/10

6:00 am-3:15 pm

1 stop9h 15m

$418

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

jue. 11/20

2:01 pm-9:19 pm

1 stop7h 18m

Toronto Pearson Intl

dom. 11/23

7:10 am-11:02 am

2 stops27h 52m

$422

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

sáb. 11/22

10:24 am-11:38 pm

2 stops37h 14m

Toronto Pearson Intl

mié. 11/26

10:55 am-10:45 am

1 stop23h 50m

$423

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

vie. 12/5

12:37 pm-12:11 am

1 stop11h 34m

Toronto Pearson Intl

dom. 12/7

8:00 pm-10:45 am

2 stops14h 45m

$443

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

mié. 12/24

11:08 am-2:20 pm

1 stop27h 12m

Toronto Pearson Intl

mar. 12/30

8:20 pm-4:49 pm

2 stops20h 29m

$489

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

lun. 11/17

9:53 pm-2:05 pm

1 stop16h 12m

Toronto Pearson Intl

jue. 11/20

10:55 am-2:43 pm

1 stop27h 48m

$520

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

mar. 3/3

1:52 pm-10:54 pm

1 stop9h 02m

Toronto Pearson Intl

mié. 3/4

12:05 pm-9:01 pm

1 stop8h 56m

$530

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

jue. 11/27

6:00 am-5:55 pm

2 stops11h 55m

Montreal Pierre Elliott Trudeau Intl

mié. 12/3

7:00 am-11:34 pm

1 stop16h 34m

$533

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

sáb. 12/27

7:05 pm-12:35 pm

2 stops17h 30m

Ottawa

mar. 12/30

9:35 am-5:37 pm

1 stop8h 02m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 47 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 - Toronto Pearson Intl, Buffalo - Montreal Pierre Elliott Trudeau 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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