C$ 220+ Flights from Ontario to Buffalo | Cheapflights

Cheap flight deals from Ontario to Buffalo

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

Best flights from Ontario to Buffalo
Discover carefully curated flight deals from Ontario to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 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

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

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

Mon 9/66:04 a.m.YYZ - BUF

1 stop9h 07mDelta

Mon 16/66:04 a.m.BUF - YYZ

1 stop11h 55mDelta

Deal found 21/4C$ 445

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 15/610:25 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

Tue 20/56:00 p.m.YUL - BUF

3 stops30h 40mMultiple Airlines

Tue 27/57:55 p.m.BUF - YUL

2 stops26h 10mMultiple Airlines

Deal found 22/4C$ 4,205

Last-minute flights from Ontario to Buffalo
Discover last-minute flight deals from Ontario to Buffalo. Data last updated 22 April 2025 and is based on user searches.

Fri 25/47:47 a.m.YUL - BUF

1 stop14h 54mAmerican Airlines

Sun 27/45:25 a.m.BUF - YUL

2 stops11h 20mAmerican Airlines

Deal found 22/4C$ 850

Sun 27/46:15 a.m.YYZ - BUF

1 stop16h 47mDelta

Sun 4/57:59 p.m.BUF - YYZ

1 stop15h 21mDelta

Deal found 22/4C$ 947

Sun 27/411:15 p.m.YYZ - BUF

2 stops17h 59mMultiple Airlines

Sun 4/57:28 p.m.BUF - YYZ

1 stop18h 31mMultiple Airlines

Deal found 22/4C$ 1,056

Fri 2/511:15 p.m.YYZ - BUF

2 stops17h 59mWestJet

Sun 4/512:08 p.m.BUF - YYZ

2 stops20h 03mWestJet

Deal found 22/4C$ 1,827

Fri 9/512:30 a.m.YYZ - BUF

2 stops12h 50mAir Canada

Sat 10/55:57 p.m.BUF - YYZ

1 stop6h 01mAir Canada

Deal found 22/4C$ 1,063

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

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 18/59:50 a.m.YYZ - BUF

1 stop8h 38mMultiple Airlines

Mon 19/59:51 a.m.BUF - YYZ

1 stop14h 08mMultiple Airlines

Deal found 21/4C$ 724

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

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

Tue 20/512:15 p.m.YYZ - BUF

2 stops10h 58mDelta

Tue 27/56:05 a.m.BUF - YYZ

1 stop7h 35mDelta

Deal found 22/4C$ 445

Tue 20/58:00 p.m.YUL - BUF

2 stops13h 45mUnited Airlines

Tue 27/56:15 a.m.BUF - YUL

1 stop12h 10mUnited Airlines

Deal found 22/4C$ 583

One-way flights from Ontario to Buffalo
Search for one-way flight options from Ontario to Buffalo. Find affordable one-way fares based on user searches. Data last updated 22 April 2025.

Fri 6/64:00 p.m.YYZ - BUF

1 stop19h 19mMultiple Airlines

Deal found 22/4C$ 220

Fri 6/65:00 p.m.YUL - BUF

1 stop6h 13mDelta

Deal found 22/4C$ 221

Fri 8/812:35 p.m.YTZ - BUF

2 stops20h 17mMultiple Airlines

Deal found 22/4C$ 241

Fri 6/612:00 p.m.YUL - BUF

2 stops9h 01mAir Canada

Deal found 22/4C$ 253

Sun 8/66:45 a.m.YUL - BUF

2 stops25h 05mMultiple Airlines

Deal found 22/4C$ 256

Mon 5/512:10 p.m.YYZ - BUF

1 stop22h 50mDelta

Deal found 21/4C$ 293

Sat 10/57:00 a.m.YUL - BUF

1 stop27h 58mWestJet

Deal found 22/4C$ 317

Tue 22/710:30 a.m.YUL - BUF

2 stops6h 47mAmerican Airlines

Deal found 22/4C$ 366

Mon 30/68:10 a.m.YYZ - BUF

1 stop25h 35mUnited Airlines

Deal found 21/4C$ 387

Mon 21/78:00 p.m.YUL - BUF

2 stops13h 45mUnited Airlines

Deal found 22/4C$ 441

Sat 18/1011:00 a.m.YYZ - BUF

1 stop5h 52mAir Canada

Deal found 22/4C$ 448

Sun 4/511:15 p.m.YYZ - BUF

2 stops17h 59mWestJet

Deal found 21/4C$ 614

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Fly to

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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2

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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?

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

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

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

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.

8.0

Very good

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

8.0

Very good

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

8.0

Very good

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

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

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

7.2

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

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

7.0

Good

8.0

Very good

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

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?
The most popular flight routes from Region of Ontario to Buffalo are Toronto Pearson Intl - Buffalo, Montreal Pierre Elliott Trudeau 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

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Complete your trip

Buffalo car rentals

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Rochester car rentals

Top airline flying from Ontario to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 681	AverageC$ 912	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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

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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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