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Cheap flights from Buffalo to Ontario from C$ 195

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
31 May — 7 Jun1
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 1 May 2026.

Tue 9/69:02 p.m.
BUF
-
YYZ
2 stops24h 53m
Multiple Airlines
Tue 16/69:50 a.m.
YYZ
-
BUF
1 stop9h 22m
Multiple Airlines
Deal found 26/4C$ 528
Wed 17/67:57 p.m.
BUF
-
YYZ
1 stop20h 48m
Multiple Airlines
Mon 22/61:30 p.m.
YYZ
-
BUF
2 stops21h 25m
Multiple Airlines
Deal found 25/4C$ 570
Tue 26/57:52 p.m.
BUF
-
YYZ
2 stops26h 03m
Multiple Airlines
Sun 31/59:50 a.m.
YYZ
-
BUF
1 stop9h 09m
Multiple Airlines
Deal found 26/4C$ 585
Mon 25/57:52 p.m.
BUF
-
YYZ
1 stop20h 53m
Multiple Airlines
Mon 1/61:30 p.m.
YYZ
-
BUF
2 stops21h 11m
Multiple Airlines
Deal found 27/4C$ 589
Fri 12/62:50 p.m.
BUF
-
YOW
2 stops24h 10m
Multiple Airlines
Fri 19/67:00 a.m.
YOW
-
BUF
1 stop12h 12m
Multiple Airlines
Deal found 28/4C$ 596
Tue 26/52:47 p.m.
BUF
-
YUL
1 stop17h 52m
Delta
Tue 2/69:30 a.m.
YUL
-
BUF
1 stop7h 31m
Delta
Deal found 27/4C$ 599
Wed 3/66:21 p.m.
BUF
-
YUL
1 stop15h 29m
American Airlines
Sat 6/610:30 a.m.
YUL
-
BUF
1 stop8h 17m
American Airlines
Deal found 27/4C$ 603
Thu 28/58:49 p.m.
BUF
-
YYZ
2 stops20h 20m
Multiple Airlines
Thu 4/67:45 a.m.
YYZ
-
BUF
1 stop11h 14m
Multiple Airlines
Deal found 28/4C$ 615
Thu 28/58:49 p.m.
BUF
-
YOW
1 stop17h 44m
Multiple Airlines
Wed 3/62:20 p.m.
YOW
-
BUF
2 stops52h 39m
Multiple Airlines
Deal found 26/4C$ 627
Fri 5/62:49 p.m.
BUF
-
YYZ
2 stops20h 43m
Multiple Airlines
Sun 7/65:45 p.m.
YYZ
-
BUF
1 stop25h 14m
Multiple Airlines
Deal found 30/4C$ 636
Fri 12/62:50 p.m.
BUF
-
YYZ
2 stops26h 05m
Multiple Airlines
Fri 19/69:50 a.m.
YYZ
-
BUF
1 stop9h 22m
Multiple Airlines
Deal found 28/4C$ 637
Wed 13/510:32 a.m.
BUF
-
YYZ
1 stop12h 44m
Delta
Sat 16/56:00 a.m.
YYZ
-
BUF
1 stop13h 15m
Delta
Deal found 29/4C$ 662

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 1 May 2026.

Round-trip from

C$ 528

One-way from

C$ 195
9/6-16/6
  • 9/6-16/6
  • 3 total stops
  • 34h 15m total
  • Buffalo to Ontario
Search Deals
19/6
  • 19/6
  • 2 total stops
  • 23h 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 1 May 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

Thu 28/5

8:49 p.m.-5:09 p.m.

2 stops20h 20m

Toronto Pearson Intl

Thu 4/6

7:45 a.m.-6:59 p.m.

1 stop11h 14m

C$ 615

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 26/5

10:32 a.m.-11:57 p.m.

2 stops13h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

9:30 a.m.-5:01 p.m.

1 stop7h 31m

C$ 652

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 13/5

10:32 a.m.-11:16 p.m.

1 stop12h 44m

Toronto Pearson Intl

Sat 16/5

6:00 a.m.-7:15 p.m.

1 stop13h 15m

C$ 662

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sat 23/5

12:41 p.m.-2:05 p.m.

2 stops25h 24m

Toronto Pearson Intl

Fri 29/5

7:45 a.m.-6:59 p.m.

1 stop11h 14m

C$ 671

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 12/5

7:55 p.m.-5:47 p.m.

1 stop21h 52m

Toronto Pearson Intl

Sat 16/5

6:00 a.m.-3:02 p.m.

1 stop9h 02m

C$ 689

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 12/6

9:03 a.m.-4:17 p.m.

1 stop7h 14m

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

9:30 a.m.-5:30 p.m.

1 stop8h 00m

C$ 698

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 19/5

11:36 a.m.-11:35 a.m.

2 stops23h 59m

Toronto Pearson Intl

Sun 24/5

7:45 a.m.-6:59 p.m.

1 stop11h 14m

C$ 716
Quickest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 5/6

7:52 p.m.-12:13 a.m.

1 stop4h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

6:35 p.m.-11:59 p.m.

1 stop5h 24m

C$ 726

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 26/5

7:52 p.m.-4:45 p.m.

1 stop20h 53m

Toronto Pearson Intl

Sun 31/5

9:50 a.m.-6:59 p.m.

1 stop9h 09m

C$ 731

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 19/8

5:41 p.m.-9:46 a.m.

1 stop16h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

7:55 a.m.-4:06 p.m.

2 stops8h 11m

C$ 743

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 Delta, United Airlines, and Air Canada fly from Buffalo to Region of Ontario in about 4h 21m. The time it takes to get you to your destination can typically vary by up to 9h 04m. 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 - Montreal Pierre Elliott Trudeau Intl, Buffalo - Toronto Island or Buffalo - Toronto Pearson 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
Newark to Vancouver Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Calgary flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Calgary flights
LaGuardia to Vancouver Intl flights
LaGuardia to Calgary flights
John F Kennedy Intl to Toronto Island flights
LaGuardia to Toronto Island flights
Newark to Québec City flights
Newark to Hamilton flights
Newark to Halifax flights
Newark to Ottawa flights
Buffalo to Vancouver Intl flights
LaGuardia to Halifax flights
LaGuardia to Québec City flights
John F Kennedy Intl to Halifax flights
LaGuardia to Ottawa flights
John F Kennedy Intl to Ottawa flights
LaGuardia to Edmonton flights
Albany to Vancouver Intl flights
Newark to Edmonton flights
Syracuse to Vancouver Intl flights
John F Kennedy Intl to Edmonton flights
John F Kennedy Intl to Québec City flights
Newark to St. John's flights
LaGuardia to Hamilton flights
Rochester to Vancouver Intl flights
Newark to Winnipeg flights
LaGuardia to Winnipeg flights
LaGuardia to St. John's flights
John F Kennedy Intl to Winnipeg flights
Buffalo to Calgary flights
Albany to Pearson Intl flights
Elmira to Vancouver Intl flights
Newark to Charlottetown flights
Rochester to Pearson Intl flights
Buffalo to Pierre Elliott Trudeau Intl flights
Newark to Victoria flights
LaGuardia 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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