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Cheap flights from Buffalo to Ontario from C$ 227

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
28 Feb — 7 Mar1
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 January 2026.

Tue 24/27:17 p.m.
BUF
-
YYZ
1 stop28h 57m
Multiple Airlines
Tue 3/37:15 a.m.
YYZ
-
BUF
1 stop11h 06m
Multiple Airlines
Deal found 27/1C$ 449
Sun 15/37:21 p.m.
BUF
-
YYZ
1 stop28h 53m
Multiple Airlines
Sun 22/37:10 a.m.
YYZ
-
BUF
2 stops27h 54m
Multiple Airlines
Deal found 29/1C$ 544
Fri 6/27:31 p.m.
BUF
-
YYZ
1 stop18h 49m
Multiple Airlines
Mon 9/23:40 p.m.
YYZ
-
BUF
2 stops26h 41m
Multiple Airlines
Deal found 28/1C$ 611
Sat 28/212:00 p.m.
BUF
-
YYZ
2 stops12h 14m
Multiple Airlines
Mon 2/35:15 p.m.
YYZ
-
BUF
1 stop25h 06m
Multiple Airlines
Deal found 27/1C$ 622
Sun 15/37:21 p.m.
BUF
-
YOW
1 stop28h 41m
Multiple Airlines
Sun 22/34:15 p.m.
YOW
-
BUF
2 stops18h 49m
Multiple Airlines
Deal found 29/1C$ 634
Sun 22/26:01 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Tue 24/22:29 p.m.
YUL
-
BUF
1 stop8h 10m
Delta
Deal found 27/1C$ 667
Sun 1/211:02 a.m.
BUF
-
YYZ
1 stop27h 18m
Multiple Airlines
Sun 8/23:40 p.m.
YYZ
-
BUF
2 stops21h 04m
Multiple Airlines
Deal found 27/1C$ 694
Sun 15/310:22 a.m.
BUF
-
YUL
1 stop8h 13m
Delta
Tue 17/32:29 p.m.
YUL
-
BUF
1 stop8h 44m
Delta
Deal found 29/1C$ 694
Tue 24/26:07 a.m.
BUF
-
YYZ
1 stop8h 07m
United Airlines
Tue 3/32:45 p.m.
YYZ
-
BUF
1 stop8h 59m
United Airlines
Deal found 27/1C$ 701
Fri 20/36:00 a.m.
BUF
-
YUL
1 stop11h 02m
Multiple Airlines
Tue 24/33:00 p.m.
YUL
-
BUF
1 stop8h 56m
Multiple Airlines
Deal found 27/1C$ 707
Fri 24/411:25 a.m.
BUF
-
YUL
1 stop13h 05m
Multiple Airlines
Sun 26/45:10 p.m.
YUL
-
BUF
2 stops19h 03m
Multiple Airlines
Deal found 27/1C$ 711
Sun 1/211:02 a.m.
BUF
-
YYZ
2 stops33h 09m
Multiple Airlines
Tue 10/27:15 a.m.
YYZ
-
BUF
1 stop11h 06m
Multiple Airlines
Deal found 27/1C$ 714

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 January 2026.

Round-trip from

C$ 449

One-way from

C$ 227
24/2-3/3
  • 24/2-3/3
  • 2 total stops
  • 40h 03m total
  • Buffalo to Ontario
Search Deals
7/3
  • 7/3
  • 2 total stops
  • 30h 13m 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 January 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Buffalo

Fly to

Ontario

Route

Depart

Return

Price

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 24/2

7:17 p.m.-12:14 a.m.

1 stop28h 57m

Toronto Pearson Intl

Tue 3/3

7:15 a.m.-6:21 p.m.

1 stop11h 06m

C$ 449

BuffaloOttawa

BUF - YOW

BUFYOW

Buffalo

Sun 15/3

7:21 p.m.-12:02 a.m.

1 stop28h 41m

Ottawa

Sun 22/3

4:15 p.m.-11:04 a.m.

2 stops18h 49m

C$ 634

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sat 28/2

4:37 p.m.-12:14 a.m.

1 stop7h 37m

Toronto Pearson Intl

Mon 2/3

5:15 p.m.-6:21 p.m.

1 stop25h 06m

C$ 645

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 22/2

6:01 a.m.-1:36 p.m.

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

2:29 p.m.-10:39 p.m.

1 stop8h 10m

C$ 667

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 15/3

10:22 a.m.-6:35 p.m.

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

2:29 p.m.-11:13 p.m.

1 stop8h 44m

C$ 694

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Wed 25/2

6:07 a.m.-6:57 p.m.

1 stop12h 50m

Toronto Pearson Intl

Wed 4/3

2:15 p.m.-2:14 p.m.

1 stop23h 59m

C$ 701

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Tue 24/2

6:07 a.m.-2:14 p.m.

1 stop8h 07m

Toronto Pearson Intl

Tue 3/3

2:45 p.m.-11:44 p.m.

1 stop8h 59m

C$ 701

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sat 25/4

6:09 a.m.-2:19 p.m.

1 stop8h 10m

Toronto Pearson Intl

Sat 2/5

9:44 a.m.-11:44 p.m.

1 stop14h 00m

C$ 701

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 15/3

7:21 p.m.-12:14 a.m.

1 stop28h 53m

Toronto Pearson Intl

Sun 22/3

8:20 p.m.-8:30 p.m.

1 stop24h 10m

C$ 701

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 24/4

11:25 a.m.-12:30 a.m.

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

5:10 p.m.-12:13 p.m.

2 stops19h 03m

C$ 711

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 49 results
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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 American Airlines fly from Buffalo to Region of Ontario in about 7h 35m. The time it takes to get you to your destination can typically vary by up to 15h 13m. 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 Pearson Intl or Buffalo - Toronto Island 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.
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John F Kennedy Intl to Pearson Intl flights
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John F Kennedy Intl to Halifax flights
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Newark to Edmonton flights
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John F Kennedy Intl to Edmonton flights
Newark to Hamilton flights
John F Kennedy Intl to Kelowna flights
Newark to St. John's flights
Newark to Kelowna flights
LaGuardia to St. John's flights
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John F Kennedy Intl to Winnipeg flights
LaGuardia to Kelowna flights
Newark to Charlottetown flights
Newark to Winnipeg flights
Albany to Pearson Intl flights
LaGuardia to Winnipeg flights
Albany to Vancouver Intl flights
Newark to Victoria flights
John F Kennedy Intl to Victoria flights
Buffalo to Pierre Elliott Trudeau Intl flights
Albany to Pierre Elliott Trudeau Intl flights
Buffalo to Pearson Intl flights
LaGuardia to Victoria flights

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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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