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Cheap flights from Ontario to Buffalo from C$ 220

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
27 Apr — 4 May1
1 adult

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 22 April 2025.

Round-trip from

C$ 361

One-way from

C$ 220
Delta
  • Delta
  • 20/5-27/5
  • 2 total stops
  • 10h 13m total
  • Ontario to Buffalo
6/6
  • 6/6
  • 1 total stop
  • 19h 19m total
  • Ontario to Buffalo

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 22 April 2025.

Tue 20/55:00 p.m.YUL - BUF
1 stop6h 13mDelta
Tue 27/56:05 a.m.BUF - YUL
1 stop4h 00mDelta
Deal found 22/4C$ 361
Thu 12/64:00 p.m.YYZ - BUF
1 stop15h 50mMultiple Airlines
Mon 16/68:50 a.m.BUF - YYZ
1 stop13h 54mMultiple Airlines
Deal found 21/4C$ 401
Mon 9/66:04 a.m.YYZ - BUF
1 stop13h 14mDelta
Fri 13/611:30 a.m.BUF - YYZ
1 stop11h 39mDelta
Deal found 21/4C$ 445
Fri 6/65:30 p.m.YUL - BUF
1 stop19h 36mAmerican Airlines
Fri 13/66:06 p.m.BUF - YUL
1 stop15h 44mAmerican Airlines
Deal found 22/4C$ 517
Sat 10/57:00 a.m.YUL - BUF
1 stop27h 58mWestJet
Fri 16/512:05 p.m.BUF - YUL
1 stop5h 35mWestJet
Deal found 22/4C$ 550
Fri 6/61:15 p.m.YUL - BUF
1 stop7h 46mUnited Airlines
Fri 13/67:55 p.m.BUF - YUL
2 stops12h 40mUnited Airlines
Deal found 22/4C$ 556
Tue 10/67:15 a.m.YYZ - BUF
1 stop14h 48mAmerican Airlines
Wed 18/65:31 a.m.BUF - YYZ
1 stop11h 03mAmerican Airlines
Deal found 21/4C$ 564
Sat 17/56:15 a.m.YYZ - BUF
1 stop17h 21mUnited Airlines
Mon 19/56:00 a.m.BUF - YYZ
2 stops15h 17mUnited Airlines
Deal found 21/4C$ 695
Sun 15/68:15 a.m.YYZ - BUF
1 stop5h 06mAir Canada
Sun 22/67:00 a.m.BUF - YYZ
1 stop5h 44mAir Canada
Deal found 21/4C$ 770
Sun 15/610:25 a.m.YTZ - BUF
2 stops10h 36mAir Canada
Sun 22/67:00 a.m.BUF - YTZ
2 stops11h 36mAir Canada
Deal found 21/4C$ 806
Mon 19/511:15 p.m.YYZ - BUF
2 stops18h 15mWestJet
Mon 26/512:05 p.m.BUF - YYZ
2 stops20h 06mWestJet
Deal found 21/4C$ 1,463
Sat 17/510:25 a.m.YTZ - BUF
2 stops8h 26mMultiple Airlines
Mon 19/56:00 a.m.BUF - YTZ
2 stops12h 37mMultiple Airlines
Deal found 21/4C$ 1,790

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 629,999 searches. Data last updated 22 April 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

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

5:00 p.m.-11:13 p.m.

1 stop6h 13m

Buffalo

Tue 27/5

6:05 a.m.-10:05 a.m.

1 stop4h 00m

C$ 361

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 12/6

4:00 p.m.-7:50 a.m.

1 stop15h 50m

Buffalo

Mon 16/6

8:50 a.m.-10:44 p.m.

1 stop13h 54m

C$ 401

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 9/6

6:04 a.m.-7:18 p.m.

1 stop13h 14m

Buffalo

Fri 13/6

11:30 a.m.-11:09 p.m.

1 stop11h 39m

C$ 445

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 6/6

5:30 p.m.-1:06 p.m.

1 stop19h 36m

Buffalo

Fri 13/6

6:06 p.m.-9:50 a.m.

1 stop15h 44m

C$ 517

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

7:00 a.m.-10:58 a.m.

1 stop27h 58m

Buffalo

Fri 16/5

12:05 p.m.-5:40 p.m.

1 stop5h 35m

C$ 550

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 6/6

1:15 p.m.-9:01 p.m.

1 stop7h 46m

Buffalo

Fri 13/6

7:55 p.m.-8:35 a.m.

2 stops12h 40m

C$ 556

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 10/6

7:15 a.m.-10:03 p.m.

1 stop14h 48m

Buffalo

Wed 18/6

5:31 a.m.-4:34 p.m.

1 stop11h 03m

C$ 564

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 17/5

6:15 a.m.-11:36 p.m.

1 stop17h 21m

Buffalo

Mon 19/5

6:00 a.m.-9:17 p.m.

2 stops15h 17m

C$ 695

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 15/6

8:15 a.m.-1:21 p.m.

1 stop5h 06m

Buffalo

Sun 22/6

7:00 a.m.-12:44 p.m.

1 stop5h 44m

C$ 770

TorontoBuffalo

YTZ - BUF

YTZBUF

Toronto Island

Sun 15/6

10:25 a.m.-9:01 p.m.

2 stops10h 36m

Buffalo

Sun 22/6

7:00 a.m.-6:36 p.m.

2 stops11h 36m

C$ 806

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 25 results
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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 22 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Buffalo as you normally would.

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 64.0 - 102.0 mm per month. November is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Buffalo when rainfall is around 64.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

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 22 April 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Ontario to Buffalo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

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

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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 13.4 km from the centre of Buffalo.

  • What are the cheapest airlines to fly from Region of Ontario to Buffalo one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 221. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Region of Ontario to Buffalo for a low price.

  • What are the most popular routes from Region of Ontario to 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.

See more FAQs

Travelling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Cheektowaga
Tonawanda
Batavia
Williamsville
Amherst

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Buffalo

Discover the top airline that operate flights from Ontario to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 681AverageC$ 912FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Buffalo?

Cheapflights helps you search for flights from Ontario to Buffalo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Buffalo?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Buffalo by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Buffalo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Buffalo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Buffalo become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Buffalo from Ontario today and book when prices fit your budget.

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