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Cheap flights from Ontario to Buffalo from C$ 249

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
5 May — 12 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 30 April 2025.

Round-trip from

C$ 464

One-way from

C$ 249
American Airlines
  • American Airlines
  • 10/6-17/6
  • 2 total stops
  • 24h 43m total
  • Ontario to Buffalo
Search Deals
8/6
  • 8/6
  • 1 total stop
  • 11h 50m total
  • 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 30 April 2025.

Tue 10/612:59 p.m.YUL - BUF
1 stop9h 54mAmerican Airlines
Tue 17/68:06 a.m.BUF - YUL
1 stop14h 49mAmerican Airlines
Deal found 29/4C$ 464
Tue 10/65:00 p.m.YUL - BUF
1 stop6h 20mDelta
Tue 17/610:38 a.m.BUF - YUL
1 stop5h 29mDelta
Deal found 29/4C$ 465
Fri 20/62:27 p.m.YYZ - BUF
1 stop8h 53mDelta
Mon 23/67:59 p.m.BUF - YYZ
1 stop15h 25mDelta
Deal found 28/4C$ 498
Thu 29/56:00 a.m.YUL - BUF
1 stop11h 09mWestJet
Thu 5/61:00 p.m.BUF - YUL
1 stop10h 16mWestJet
Deal found 29/4C$ 502
Fri 4/79:50 a.m.YYZ - BUF
1 stop23h 02mMultiple Airlines
Sat 5/79:37 p.m.BUF - YYZ
1 stop16h 18mMultiple Airlines
Deal found 27/4C$ 577
Wed 28/57:10 p.m.YUL - BUF
1 stop4h 34mUnited Airlines
Sat 31/57:55 p.m.BUF - YUL
2 stops12h 40mUnited Airlines
Deal found 29/4C$ 598
Tue 27/52:30 p.m.YYZ - BUF
1 stop9h 14mUnited Airlines
Tue 3/66:15 a.m.BUF - YYZ
1 stop9h 44mUnited Airlines
Deal found 29/4C$ 695
Sun 11/53:15 p.m.YYZ - BUF
1 stop23h 40mWestJet Encore
Sun 18/55:15 a.m.BUF - YYZ
1 stop11h 29mWestJet Encore
Deal found 27/4C$ 705
Mon 21/710:15 a.m.YUL - BUF
2 stops10h 46mAir Canada
Mon 28/710:50 a.m.BUF - YUL
2 stops7h 31mAir Canada
Deal found 29/4C$ 768
Tue 6/56:35 p.m.YYZ - BUF
1 stop15h 37mAir Canada
Tue 20/56:45 a.m.BUF - YYZ
1 stop6h 57mAir Canada
Deal found 29/4C$ 1,153
Fri 20/611:15 p.m.YYZ - BUF
2 stops19h 28mWestJet
Mon 23/612:10 p.m.BUF - YYZ
2 stops20h 01mWestJet
Deal found 28/4C$ 1,549
Tue 10/66:45 a.m.YUL - BUF
3 stops35h 10mMultiple Airlines
Tue 17/610:28 a.m.BUF - YUL
3 stops35h 37mMultiple Airlines
Deal found 29/4C$ 3,291

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 30 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 10/6

12:59 p.m.-10:53 p.m.

1 stop9h 54m

Buffalo

Tue 17/6

8:06 a.m.-10:55 p.m.

1 stop14h 49m

C$ 464

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

5:00 p.m.-11:20 p.m.

1 stop6h 20m

Buffalo

Tue 17/6

10:38 a.m.-4:07 p.m.

1 stop5h 29m

C$ 465

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

6:00 a.m.-5:09 p.m.

1 stop11h 09m

Buffalo

Thu 5/6

1:00 p.m.-11:16 p.m.

1 stop10h 16m

C$ 502

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 31/5

6:03 a.m.-12:40 a.m.

1 stop18h 37m

Buffalo

Sat 7/6

6:05 a.m.-1:40 p.m.

1 stop7h 35m

C$ 525

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 20/6

7:15 a.m.-8:56 a.m.

1 stop25h 41m

Buffalo

Mon 23/6

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

1 stop13h 54m

C$ 590

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

7:10 p.m.-11:44 p.m.

1 stop4h 34m

Buffalo

Sat 31/5

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

2 stops12h 40m

C$ 598

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Tue 27/5

2:30 p.m.-11:44 p.m.

1 stop9h 14m

Buffalo

Tue 3/6

6:15 a.m.-3:59 p.m.

1 stop9h 44m

C$ 695

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 21/7

10:15 a.m.-9:01 p.m.

2 stops10h 46m

Buffalo

Mon 28/7

10:50 a.m.-6:21 p.m.

2 stops7h 31m

C$ 768

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 16/5

10:35 a.m.-10:45 p.m.

1 stop12h 10m

Buffalo

Thu 22/5

6:01 a.m.-9:30 p.m.

1 stop15h 29m

C$ 868

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 20/6

11:15 p.m.-6:43 p.m.

2 stops19h 28m

Buffalo

Mon 23/6

12:10 p.m.-8:11 a.m.

2 stops20h 01m

C$ 1,549

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 22 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 30 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 30 April 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta 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.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,936 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,826 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.1

Crew

8.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. 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$ 274. However, be on the lookout for offers from WestJet and United Airlines, 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
Tonawanda
Batavia
Williamsville
Amherst

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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.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
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Pierre Elliott Trudeau Intl to Newark flights
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Québec City to LaGuardia flights
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Halifax to John F Kennedy Intl flights
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Edmonton to LaGuardia flights
Winnipeg to John F Kennedy Intl flights
Winnipeg to Newark flights
Winnipeg to LaGuardia flights
Saskatoon to Newark flights
Pearson Intl to White Plains flights
Saskatoon to John F Kennedy Intl flights
St John to Newark flights
Abbotsford to Newark flights
Victoria to John F Kennedy Intl flights
Kelowna to LaGuardia flights
St John to LaGuardia flights
Kelowna to Newark flights
Kelowna to John F Kennedy Intl flights
Saskatoon to LaGuardia flights
Pierre Elliott Trudeau Intl to Buffalo flights
Pearson Intl to Albany flights
Victoria to Newark flights
Pearson Intl to Buffalo flights
Moncton to LaGuardia flights
Victoria to LaGuardia flights

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 682AverageC$ 914FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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