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Cheap flights from Ontario to Buffalo from C$ 234

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

C$ 398

One-way from

C$ 234

Popular in

September

Cheapest in

March

Average price

C$ 918
8/5-12/5
  • 8/5-12/5
  • 2 total stops
  • 29h 54m total
  • Ontario to Buffalo
Search Deals
8/4
  • 8/4
  • 1 total stop
  • 14h 09m total
  • Ontario to Buffalo
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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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 2 April 2025.

Thu 8/54:00 p.m.YYZ - BUF
1 stop17h 01mMultiple Airlines
Mon 12/59:51 a.m.BUF - YYZ
1 stop12h 53mMultiple Airlines
Deal found 1/4C$ 398
Mon 14/44:50 p.m.YUL - BUF
1 stop6h 10mDelta
Sun 20/46:15 a.m.BUF - YUL
1 stop5h 43mDelta
Deal found 31/3C$ 428
Mon 14/47:47 a.m.YUL - BUF
2 stops14h 58mAmerican Airlines
Sun 20/46:12 a.m.BUF - YUL
1 stop9h 13mAmerican Airlines
Deal found 31/3C$ 432
Tue 29/46:00 a.m.YYZ - BUF
1 stop13h 19mDelta
Tue 6/55:45 a.m.BUF - YYZ
1 stop7h 19mDelta
Deal found 1/4C$ 459
Mon 12/56:00 a.m.YUL - BUF
1 stop16h 46mWestJet
Tue 13/512:05 p.m.BUF - YUL
1 stop5h 35mWestJet
Deal found 1/4C$ 482
Mon 14/410:15 a.m.YUL - BUF
2 stops10h 56mAir Canada
Sun 20/47:00 a.m.BUF - YUL
2 stops10h 21mAir Canada
Deal found 31/3C$ 484
Sat 12/49:15 a.m.YUL - BUF
1 stop14h 29mUnited Airlines
Tue 15/47:45 p.m.BUF - YUL
1 stop12h 03mUnited Airlines
Deal found 1/4C$ 511
Tue 29/412:25 p.m.YYZ - BUF
1 stop11h 19mUnited Airlines
Tue 6/56:00 a.m.BUF - YYZ
2 stops11h 03mUnited Airlines
Deal found 31/3C$ 699
Tue 13/511:00 a.m.YYZ - BUF
1 stop5h 55mAir Canada
Wed 14/51:55 p.m.BUF - YYZ
1 stop6h 49mAir Canada
Deal found 30/3C$ 827
Tue 29/411:15 p.m.YYZ - BUF
2 stops18h 03mWestJet
Tue 6/512:50 p.m.BUF - YYZ
2 stops19h 21mWestJet
Deal found 1/4C$ 1,378
Fri 16/511:25 p.m.YUL - BUF
2 stops21h 57mMultiple Airlines
Fri 23/52:45 p.m.BUF - YUL
3 stops26h 35mMultiple Airlines
Deal found 1/4C$ 4,731

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 2 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

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 8/5

4:00 p.m.-9:01 a.m.

1 stop17h 01m

Buffalo

Mon 12/5

9:51 a.m.-10:44 p.m.

1 stop12h 53m

C$ 398

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 14/4

4:50 p.m.-11:00 p.m.

1 stop6h 10m

Buffalo

Sun 20/4

6:15 a.m.-11:58 a.m.

1 stop5h 43m

C$ 428

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 14/4

7:47 a.m.-10:45 p.m.

2 stops14h 58m

Buffalo

Sun 20/4

6:12 a.m.-3:25 p.m.

1 stop9h 13m

C$ 432

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 29/4

6:00 a.m.-7:19 p.m.

1 stop13h 19m

Buffalo

Tue 6/5

5:45 a.m.-1:04 p.m.

1 stop7h 19m

C$ 459

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 12/5

6:00 a.m.-10:46 p.m.

1 stop16h 46m

Buffalo

Tue 13/5

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

1 stop5h 35m

C$ 482

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 14/4

10:15 a.m.-9:11 p.m.

2 stops10h 56m

Buffalo

Sun 20/4

7:00 a.m.-5:21 p.m.

2 stops10h 21m

C$ 484

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 12/4

9:15 a.m.-11:44 p.m.

1 stop14h 29m

Buffalo

Tue 15/4

7:45 p.m.-7:48 a.m.

1 stop12h 03m

C$ 511

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 29/4

12:25 p.m.-11:44 p.m.

1 stop11h 19m

Buffalo

Tue 6/5

6:00 a.m.-5:03 p.m.

2 stops11h 03m

C$ 699

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 13/5

11:00 a.m.-4:55 p.m.

1 stop5h 55m

Buffalo

Wed 14/5

1:55 p.m.-8:44 p.m.

1 stop6h 49m

C$ 827

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 29/4

11:15 p.m.-5:18 p.m.

2 stops18h 03m

Buffalo

Tue 6/5

12:50 p.m.-8:11 a.m.

2 stops19h 21m

C$ 1,378

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 18 results
1
2

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 2 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 2 April 2025.
Peruse reviews from past customers who have flown with Delta, Austrian Airlines and United 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.
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
8,615 reviews
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
2,789 reviews
Delta
8.0
Very good
7,898 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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 WestJet, with whom users have recently found tickets for as low as C$ 287. However, be on the lookout for offers from United Airlines and Air Canada, 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?

    The most popular flight routes from Region of Ontario to Buffalo are Montreal Pierre Elliott Trudeau Intl - Buffalo, Toronto Pearson Intl - Buffalo and Toronto Island - 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
Williamsville
Amherst
Tonawanda
Batavia

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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.
Pearson Intl to Newark flights
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Saskatoon to Newark flights
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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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 708AverageC$ 948FlexibilityNo 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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