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Cheap flights from Buffalo to Ontario from C$ 247

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Ontario
Explore the most affordable flight options available from Buffalo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Tue 22/96:51 p.m.
BUF
-
YYZ
1 stop21h 54m
Multiple Airlines
Mon 28/94:45 p.m.
YYZ
-
BUF
2 stops25h 04m
Multiple Airlines
Deal found 28/7C$ 595
Wed 26/86:54 p.m.
BUF
-
YYZ
2 stops27h 01m
Multiple Airlines
Wed 2/97:45 a.m.
YYZ
-
BUF
1 stop10h 24m
Multiple Airlines
Deal found 28/7C$ 605
Thu 10/912:49 p.m.
BUF
-
YYZ
2 stops28h 20m
Multiple Airlines
Thu 17/99:50 a.m.
YYZ
-
BUF
1 stop7h 55m
Multiple Airlines
Deal found 27/7C$ 652
Fri 9/101:13 p.m.
BUF
-
YYZ
2 stops34h 22m
Multiple Airlines
Tue 13/107:45 a.m.
YYZ
-
BUF
1 stop10h 16m
Multiple Airlines
Deal found 28/7C$ 697
Wed 9/91:40 p.m.
BUF
-
YYZ
2 stops31h 15m
Multiple Airlines
Sun 13/99:50 a.m.
YYZ
-
BUF
1 stop7h 55m
Multiple Airlines
Deal found 28/7C$ 710
Fri 28/87:52 p.m.
BUF
-
YUL
1 stop27h 48m
WestJet
Mon 31/88:00 p.m.
YUL
-
BUF
2 stops15h 08m
WestJet
Deal found 27/7C$ 717
Tue 22/911:06 a.m.
BUF
-
YYZ
1 stop12h 06m
Delta
Sun 27/96:10 a.m.
YYZ
-
BUF
1 stop18h 02m
Delta
Deal found 26/7C$ 727
Sun 16/87:52 p.m.
BUF
-
YUL
1 stop27h 48m
WestJet
Thu 20/86:51 p.m.
YUL
-
BUF
1 stop29h 08m
WestJet
Deal found 28/7C$ 727
Tue 1/910:30 a.m.
BUF
-
YUL
1 stop4h 10m
United Airlines
Wed 2/99:45 a.m.
YUL
-
BUF
1 stop7h 11m
United Airlines
Deal found 24/7C$ 728
Mon 31/85:45 p.m.
BUF
-
YUL
1 stop16h 01m
American Airlines
Wed 2/91:07 p.m.
YUL
-
BUF
1 stop3h 49m
American Airlines
Deal found 27/7C$ 734
Mon 7/96:27 a.m.
BUF
-
YUL
1 stop5h 29m
WestJet
Mon 14/96:47 p.m.
YUL
-
BUF
1 stop23h 05m
WestJet
Deal found 28/7C$ 739
Mon 21/96:00 a.m.
BUF
-
YYZ
1 stop17h 39m
Delta
Sat 3/106:10 a.m.
YYZ
-
BUF
1 stop18h 02m
Delta
Deal found 26/7C$ 741

Find flight deals from Buffalo to Ontario

Keep the following information in mind while searching for Buffalo to Ontario flight deals. Data was last updated 29 July 2026.

Round-trip from

C$ 595

One-way from

C$ 247
22/9-28/9
  • 22/9-28/9
  • 3 total stops
  • 46h 58m total
  • Buffalo to Ontario
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 31h 15m total
  • Buffalo to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Ontario 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 July 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 26/8

6:54 p.m.-9:55 p.m.

2 stops27h 01m

Toronto Pearson Intl

Wed 2/9

7:45 a.m.-6:09 p.m.

1 stop10h 24m

C$ 605

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 10/9

12:49 p.m.-5:09 p.m.

2 stops28h 20m

Toronto Pearson Intl

Thu 17/9

9:50 a.m.-5:45 p.m.

1 stop7h 55m

C$ 662

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 9/9

1:40 p.m.-8:55 p.m.

2 stops31h 15m

Toronto Pearson Intl

Sun 13/9

9:50 a.m.-5:45 p.m.

1 stop7h 55m

C$ 710

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 9/9

11:06 a.m.-7:05 a.m.

2 stops19h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

6:47 p.m.-5:52 p.m.

1 stop23h 05m

C$ 717

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 7/9

12:16 p.m.-11:52 p.m.

1 stop11h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

8:00 p.m.-11:10 a.m.

2 stops15h 10m

C$ 717

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 24/8

12:16 p.m.-11:52 p.m.

1 stop11h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

7:00 a.m.-11:59 p.m.

1 stop16h 59m

C$ 727

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 1/9

10:30 a.m.-2:40 p.m.

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

9:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 728

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 31/8

7:00 a.m.-11:52 p.m.

2 stops16h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

9:30 a.m.-1:47 p.m.

1 stop4h 17m

C$ 751

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 14/9

5:58 p.m.-9:49 a.m.

1 stop15h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

10:30 a.m.-5:28 p.m.

1 stop6h 58m

C$ 752

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 19/8

2:53 p.m.-7:45 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

9:15 a.m.-2:18 p.m.

1 stop5h 03m

C$ 758

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Buffalo 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 Buffalo to Ontario

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Ontario. 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 from for flights from Buffalo to Ontario?

    For a flight from Buffalo to Ontario, you will be flying from Buffalo. Buffalo (BUF) is just 13.4 km from the centre of the city.

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

    Airlines like WestJet, United Airlines, and Delta fly from Buffalo to Region of Ontario in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 15h 49m. Buffalo and Region of Ontario are separated by a distance of 486 km. 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 Buffalo to Region of Ontario?

    Most travellers choose Buffalo - Toronto Pearson Intl, Buffalo - Toronto Island or Buffalo - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from Buffalo to Region of Ontario.

  • Can I find deals for flights from Buffalo to Ontario that include hotel bookings?

    Yes. In addition to deals on Buffalo to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Ontario.

  • Can I find deals for business class flights from Buffalo to Ontario?

    Yes. Cheapflights offers flight deals from Buffalo to Ontario 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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Alternative routes for Buffalo to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
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LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Vancouver Intl flights
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John F Kennedy Intl to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Calgary flights
LaGuardia to Toronto Island flights
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John F Kennedy Intl to Halifax flights
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John F Kennedy Intl to Edmonton flights
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LaGuardia to Edmonton flights
LaGuardia to Hamilton flights
Buffalo to Vancouver Intl flights
John F Kennedy Intl to Ottawa flights
John F Kennedy Intl to Québec City flights
Newark to Winnipeg flights
LaGuardia to St. John's flights
LaGuardia to Winnipeg flights
Newark to St. John's flights
Albany to Pearson Intl flights
John F Kennedy Intl to Winnipeg flights
Newark to Charlottetown flights
Newark to Moncton flights
LaGuardia to Moncton flights
LaGuardia to Charlottetown flights
Buffalo to Pearson Intl flights
Rochester to Calgary flights
Rochester to Pearson Intl flights
Syracuse to Vancouver Intl flights
Albany to Vancouver Intl flights
Newark to Sydney flights
Buffalo to Toronto Island flights
Newark to Victoria flights

Fly with Cheapflights

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

Deals for Buffalo to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Ontario from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Buffalo to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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