HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$177+ Cheap flights from Ontario to Buffalo (BUF)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Buffalo

Keep the following information in mind while searching for Ontario to Buffalo flight deals. Data was last updated September 11, 2025.

Round-trip from

$323
(Kiwi.com)

One-way from

$177
(Kiwi.com)
From Ontario to Buffalo
Search Deals
One-way flight from Ontario to Buffalo
Search Deals

Find flight deals from Ontario to Buffalo

Cheapest flights from Ontario to Buffalo
Explore the most affordable flight options available from Ontario to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 10/246:04 amYYZ - BUF
1 stop10h 58mDelta
Mon 10/277:50 pmBUF - YYZ
1 stop21h 33mDelta
Deal found 9/9$311
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/259:50 amYYZ - BUF
1 stop7h 37mMultiple Airlines
Thu 10/26:22 pmBUF - YYZ
2 stops26h 59mMultiple Airlines
Deal found 9/11$323
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/69:50 amYYZ - BUF
1 stop8h 24mMultiple Airlines
Mon 10/139:13 pmBUF - YYZ
1 stop25h 27mMultiple Airlines
Deal found 9/9$328
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/76:04 amYYZ - BUF
1 stop10h 58mDelta
Tue 10/146:03 amBUF - YYZ
1 stop7h 37mDelta
Deal found 9/9$337
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/257:45 amYYZ - BUF
2 stops13h 05mMultiple Airlines
Sat 11/17:12 pmBUF - YYZ
1 stop20h 08mMultiple Airlines
Deal found 9/10$341
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/26:03 amYYZ - BUF
1 stop18h 18mDelta
Tue 10/286:03 amBUF - YYZ
1 stop7h 37mDelta
Deal found 9/10$343
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/179:50 amYYZ - BUF
1 stop10h 28mMultiple Airlines
Sun 10/199:13 pmBUF - YYZ
1 stop26h 42mMultiple Airlines
Deal found 9/10$355
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 10/87:55 amYYZ - BUF
1 stop9h 07mDelta
Wed 10/157:00 amBUF - YYZ
1 stop10h 23mDelta
Deal found 9/10$379
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:25 amYTZ - BUF
2 stops9h 28mAir Canada
Sat 11/110:50 amBUF - YTZ
2 stops10h 38mAir Canada
Deal found 9/10$642

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Buffalo 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Ontario

Fly to

Buffalo

Route

Depart

Return

Price

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 10/24

6:04 am-5:02 pm

1 stop10h 58m

Buffalo

Mon 10/27

7:50 pm-5:23 pm

1 stop21h 33m

$311

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 9/25

9:50 am-5:27 pm

1 stop7h 37m

Buffalo

Thu 10/2

6:22 pm-9:21 pm

2 stops26h 59m

$323

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 10/6

9:50 am-6:14 pm

1 stop8h 24m

Buffalo

Mon 10/13

9:13 pm-10:40 pm

1 stop25h 27m

$328

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 10/7

6:04 am-5:02 pm

1 stop10h 58m

Buffalo

Tue 10/14

6:03 am-1:40 pm

1 stop7h 37m

$337

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 10/25

7:45 am-8:50 pm

2 stops13h 05m

Buffalo

Sat 11/1

7:12 pm-3:20 pm

1 stop20h 08m

$341

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 10/17

9:50 am-8:18 pm

1 stop10h 28m

Buffalo

Sun 10/19

9:13 pm-11:55 pm

1 stop26h 42m

$355

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 10/8

7:55 am-5:02 pm

1 stop9h 07m

Buffalo

Wed 10/15

7:00 am-5:23 pm

1 stop10h 23m

$379

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Sat 10/25

7:25 am-4:53 pm

2 stops9h 28m

Buffalo

Sat 11/1

10:50 am-9:28 pm

2 stops10h 38m

$642

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 10/24

4:00 pm-5:57 pm

1 stop25h 57m

$177

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 10/25

7:45 am-8:50 pm

2 stops13h 05m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Ontario to Buffalo

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

What is the cheapest month to book a flight from Region of Ontario to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Buffalo (average of $256). Flying from Region of Ontario to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to BUF?

Find hourly flight availability from Ontario to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Region of Ontario to Buffalo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buffalo. 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 into for flights to Buffalo from Ontario?

    If you book a flight to Buffalo from Ontario, you will be flying to Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo.

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

    Delta and Air Canada can get you from Region of Ontario to Buffalo in just under 9h 28m. Your travel time can differ by up to 1h 30m. The distance from Region of Ontario to Buffalo is about 58 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Buffalo (average of $256). Flying from Region of Ontario to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Vancouver Intl to LaGuardia flights
Ottawa to Newark flights
Calgary to John F Kennedy Intl flights
Calgary to Newark flights
Québec City to Newark flights
Halifax to Newark flights
Ottawa to LaGuardia flights
Calgary to LaGuardia flights
Ottawa to John F Kennedy Intl flights
Toronto Island to John F Kennedy Intl flights
Vancouver Intl to Buffalo flights
Halifax to LaGuardia flights
Edmonton to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Abbotsford to John F Kennedy Intl flights
Edmonton to Newark flights
Winnipeg to Newark flights
Edmonton to LaGuardia flights
Québec City to John F Kennedy Intl flights
Winnipeg to John F Kennedy Intl flights
Québec City to LaGuardia flights
Halifax to John F Kennedy Intl flights
Winnipeg to LaGuardia flights
Abbotsford to LaGuardia flights
Victoria to John F Kennedy Intl flights
Victoria to LaGuardia flights
Hamilton to John F Kennedy Intl flights
Pearson Intl to White Plains flights
Region of Waterloo Intl to John F Kennedy Intl flights
Victoria to Newark flights
Pearson Intl to Albany flights
Pearson Intl to Buffalo flights
Saskatoon to LaGuardia flights
St. John's to Newark flights
Saskatoon to John F Kennedy Intl flights
Vancouver Intl to Rochester flights
Regina to Newark flights
Regina to John F Kennedy Intl flights
Saskatoon to Newark flights
Regina to LaGuardia flights
Calgary to Buffalo flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.