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Cheap flights from Ontario to Buffalo from C$ 236

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUF
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 29 October 2025.

Round-trip from

C$ 374

One-way from

C$ 236
11/12-18/12
  • 11/12-18/12
  • 2 total stops
  • 28h 40m total
  • Ontario to Buffalo
Search Deals
22/11
  • 22/11
  • 1 total stop
  • 28h 15m total
  • Ontario to Buffalo
Search Deals

Find flight deals from Ontario to Buffalo

Enter your travel dates to find the best prices.

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 29 October 2025.

Thu 11/125:15 p.m.YYZ - BUF
1 stop18h 36mMultiple Airlines
Thu 18/122:07 p.m.BUF - YYZ
1 stop10h 04mMultiple Airlines
Deal found 27/10C$ 374
Mon 24/1112:50 p.m.YYZ - BUF
1 stop29h 02mMultiple Airlines
Mon 1/1211:57 a.m.BUF - YYZ
1 stop12h 14mMultiple Airlines
Deal found 27/10C$ 401
Tue 25/117:15 a.m.YYZ - BUF
2 stops10h 37mMultiple Airlines
Fri 28/1111:52 a.m.BUF - YYZ
1 stop12h 19mMultiple Airlines
Deal found 29/10C$ 476
Thu 4/126:00 a.m.YYZ - BUF
1 stop9h 15mDelta
Wed 10/122:57 p.m.BUF - YYZ
1 stop8h 22mDelta
Deal found 29/10C$ 510
Thu 4/122:37 p.m.YUL - BUF
1 stop8h 25mDelta
Wed 10/1210:27 a.m.BUF - YUL
1 stop8h 27mDelta
Deal found 27/10C$ 511
Fri 12/126:43 p.m.YYZ - BUF
1 stop17h 50mDelta
Wed 11/210:40 a.m.BUF - YYZ
1 stop12h 11mDelta
Deal found 29/10C$ 521
Thu 11/126:45 a.m.YUL - BUF
2 stops29h 06mMultiple Airlines
Thu 18/122:07 p.m.BUF - YUL
1 stop10h 23mMultiple Airlines
Deal found 27/10C$ 525
Sun 14/125:14 p.m.YYZ - BUF
1 stop21h 03mDelta
Wed 11/25:45 p.m.BUF - YYZ
1 stop22h 23mDelta
Deal found 29/10C$ 528
Tue 25/112:29 p.m.YUL - BUF
1 stop23h 41mDelta
Tue 2/126:00 a.m.BUF - YUL
1 stop7h 47mDelta
Deal found 28/10C$ 532
Fri 12/123:38 p.m.YYZ - BUF
2 stops23h 37mDelta
Tue 17/22:30 p.m.BUF - YYZ
1 stop8h 53mDelta
Deal found 29/10C$ 535
Thu 11/126:00 a.m.YYZ - BUF
1 stop9h 15mDelta
Tue 17/22:30 p.m.BUF - YYZ
1 stop8h 53mDelta
Deal found 29/10C$ 542
Tue 25/116:00 a.m.YYZ - BUF
1 stop9h 05mDelta
Tue 2/126:00 a.m.BUF - YYZ
1 stop11h 48mDelta
Deal found 28/10C$ 562

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 29 October 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 11/12

5:15 p.m.-11:51 a.m.

1 stop18h 36m

Buffalo

Thu 18/12

2:07 p.m.-12:11 a.m.

1 stop10h 04m

C$ 374

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 24/11

12:50 p.m.-5:52 p.m.

1 stop29h 02m

Buffalo

Mon 1/12

11:57 a.m.-12:11 a.m.

1 stop12h 14m

C$ 401

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Wed 10/12

7:44 a.m.-5:02 p.m.

1 stop9h 18m

Buffalo

Wed 11/2

6:00 a.m.-10:51 p.m.

1 stop16h 51m

C$ 521

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 12/12

3:38 p.m.-3:15 p.m.

2 stops23h 37m

Buffalo

Wed 11/2

7:00 a.m.-10:56 p.m.

1 stop15h 56m

C$ 521

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sun 14/12

3:38 p.m.-10:41 a.m.

2 stops19h 03m

Buffalo

Wed 11/2

6:00 a.m.-5:51 p.m.

1 stop11h 51m

C$ 528

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Thu 11/12

6:05 a.m.-11:02 p.m.

1 stop16h 57m

Buffalo

Wed 11/2

10:40 a.m.-9:33 a.m.

1 stop22h 53m

C$ 528

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 12/12

3:38 p.m.-3:15 p.m.

2 stops23h 37m

Buffalo

Tue 17/2

2:30 p.m.-11:23 p.m.

1 stop8h 53m

C$ 535

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Mon 15/12

6:43 p.m.-2:17 p.m.

1 stop19h 34m

Buffalo

Thu 12/2

11:15 a.m.-10:55 p.m.

1 stop11h 40m

C$ 535

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Sat 13/12

6:00 a.m.-3:15 p.m.

1 stop9h 15m

Buffalo

Tue 17/2

7:15 p.m.-3:20 p.m.

2 stops20h 05m

C$ 535

TorontoBuffalo

YYZ - BUF

YYZBUF

Toronto Pearson Intl

Fri 12/12

6:43 p.m.-12:33 p.m.

1 stop17h 50m

Buffalo

Thu 12/2

6:16 a.m.-5:54 p.m.

1 stop11h 38m

C$ 535

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 37 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 29 October 2025.

It’s optimal to fly from Region of Ontario to Buffalo in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the evening.

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.

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

    Delta and United Airlines can get you from Region of Ontario to Buffalo in just under 9h 18m. Your travel time can differ by up to 10h 02m. There are 109 km between Region of Ontario and Buffalo. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Buffalo?

Book flights to Buffalo 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.
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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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 643AverageC$ 878FlexibilityNo 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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