HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$180+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$360
(Delta)

One-way from

$180
(Kiwi.com)
Provider with most accurate pricing for Toronto (YTO)-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Buffalo flights.
Search Deals
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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/202:27 pmYYZ - BUF
1 stop8h 53mDelta
Mon 6/237:59 pmBUF - YYZ
1 stop15h 25mDelta
Deal found 4/28$360
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 7/49:50 amYYZ - BUF
1 stop23h 02mMultiple Airlines
Sat 7/59:37 pmBUF - YYZ
1 stop16h 18mMultiple Airlines
Deal found 4/27$417
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/272:30 pmYYZ - BUF
1 stop9h 14mUnited Airlines
Tue 6/36:15 amBUF - YYZ
1 stop9h 44mUnited Airlines
Deal found 4/29$502
This CheapTicketsDeal deal was found by Cheapflights users on 4/27. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/113:15 pmYYZ - BUF
1 stop23h 40mWestJet Encore
Sun 5/185:15 amBUF - YYZ
1 stop11h 29mWestJet Encore
Deal found 4/27$509
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:15 pmYYZ - BUF
2 stops19h 28mWestJet
Mon 6/2312:10 pmBUF - YYZ
2 stops20h 01mWestJet
Deal found 4/28$1,119

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 April 29, 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 6/20

2:27 pm-11:20 pm

1 stop8h 53m

Buffalo

Mon 6/23

7:59 pm-11:24 am

1 stop15h 25m

$360

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 7/4

9:50 am-8:52 am

1 stop23h 02m

Buffalo

Sat 7/5

9:37 pm-1:55 pm

1 stop16h 18m

$417

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 5/27

2:30 pm-11:44 pm

1 stop9h 14m

Buffalo

Tue 6/3

6:15 am-3:59 pm

1 stop9h 44m

$502

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 5/11

3:15 pm-2:55 pm

1 stop23h 40m

Buffalo

Sun 5/18

5:15 am-4:44 pm

1 stop11h 29m

$509

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 6/20

11:15 pm-6:43 pm

2 stops19h 28m

Buffalo

Mon 6/23

12:10 pm-8:11 am

2 stops20h 01m

$1,119

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 6/8

8:00 pm-7:50 am

1 stop11h 50m

$180

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 6/13

7:47 pm-2:09 pm

1 stop18h 22m

$305

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Sun 6/8

12:35 pm-11:30 pm

2 stops10h 55m

$387

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Fri 6/13

7:25 am-4:55 pm

2 stops9h 30m

$410

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 6/12

12:30 am-1:21 pm

2 stops12h 51m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 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 April 29, 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.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated April 29, 2025.
See what other customers who have flown with Delta, United Airlines and WestJet from Ontario to Buffalo have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

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.

  • 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Williamsville
Amherst
West Seneca
Batavia
Orchard Park
Cheektowaga

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 Newark flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Vancouver Intl to Newark flights
Vancouver Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to LaGuardia flights
Ottawa to Newark flights
Calgary to Newark flights
Québec City to Newark flights
Calgary to John F Kennedy Intl flights
Halifax to Newark flights
Toronto Island to John F Kennedy Intl flights
Ottawa to John F Kennedy Intl flights
Ottawa to LaGuardia flights
Pierre Elliott Trudeau Intl to Stewart flights
Calgary to LaGuardia flights
Québec City to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Halifax to LaGuardia flights
Québec City to LaGuardia flights
Halifax to John F Kennedy Intl flights
Abbotsford to John F Kennedy Intl flights
Vancouver Intl to Buffalo flights
Edmonton to Newark flights
Edmonton to John F Kennedy Intl flights
Edmonton to LaGuardia flights
Winnipeg to John F Kennedy Intl flights
Winnipeg to Newark flights
Winnipeg to LaGuardia flights
Region of Waterloo Intl to John F Kennedy Intl flights
Abbotsford to LaGuardia flights
Victoria to John F Kennedy Intl flights
St. John's to LaGuardia flights
Saskatoon to Newark flights
Saskatoon to John F Kennedy Intl flights
Pearson Intl to Buffalo flights
St. John's to Newark flights
London to Newark flights
Vancouver Intl to Albany flights
Saskatoon to LaGuardia flights
Victoria to Newark flights
Hamilton to John F Kennedy Intl flights
Vancouver Intl to Syracuse flights
Pearson Intl to Syracuse flights
Moncton to Newark 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.