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Cheap flights from Buffalo to Ontario from C$ 198

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YYZ
11 Apr — 18 Apr1
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 12 March 2026.

Wed 8/47:56 p.m.
BUF
-
YYZ
1 stop15h 23m
Delta
Wed 15/46:00 a.m.
YYZ
-
BUF
1 stop8h 52m
Delta
Deal found 11/3C$ 581
Thu 14/56:04 a.m.
BUF
-
YYZ
1 stop10h 08m
Delta
Mon 18/57:55 a.m.
YYZ
-
BUF
1 stop25h 08m
Delta
Deal found 7/3C$ 593
Wed 22/41:56 p.m.
BUF
-
YUL
2 stops25h 14m
Multiple Airlines
Wed 29/44:35 p.m.
YUL
-
BUF
1 stop26h 38m
Multiple Airlines
Deal found 8/3C$ 596
Mon 6/45:31 p.m.
BUF
-
YYZ
1 stop15h 57m
Delta
Mon 13/46:59 p.m.
YYZ
-
BUF
1 stop14h 32m
Delta
Deal found 9/3C$ 607
Mon 13/46:00 a.m.
BUF
-
YUL
1 stop7h 39m
Delta
Tue 21/42:29 p.m.
YUL
-
BUF
1 stop9h 02m
Delta
Deal found 9/3C$ 619
Thu 9/411:57 a.m.
BUF
-
YYZ
1 stop12h 17m
Multiple Airlines
Wed 15/45:50 p.m.
YYZ
-
BUF
2 stops17h 50m
Multiple Airlines
Deal found 10/3C$ 626
Thu 14/51:08 p.m.
BUF
-
YYZ
2 stops22h 27m
Multiple Airlines
Mon 18/59:30 a.m.
YYZ
-
BUF
1 stop9h 43m
Multiple Airlines
Deal found 7/3C$ 650
Wed 8/47:44 p.m.
BUF
-
YYZ
1 stop18h 32m
Multiple Airlines
Wed 15/46:30 a.m.
YYZ
-
BUF
2 stops29h 10m
Multiple Airlines
Deal found 11/3C$ 659
Sat 18/41:11 p.m.
BUF
-
YYZ
2 stops22h 24m
Multiple Airlines
Mon 27/47:10 a.m.
YYZ
-
BUF
1 stop12h 16m
Multiple Airlines
Deal found 9/3C$ 664
Tue 21/46:00 a.m.
BUF
-
YUL
1 stop7h 39m
Delta
Tue 28/49:30 a.m.
YUL
-
BUF
1 stop7h 20m
Delta
Deal found 7/3C$ 673
Wed 22/410:13 a.m.
BUF
-
YUL
1 stop8h 38m
Delta
Wed 29/42:29 p.m.
YUL
-
BUF
1 stop9h 02m
Delta
Deal found 8/3C$ 687
Tue 21/41:56 p.m.
BUF
-
YYZ
2 stops24h 24m
Multiple Airlines
Tue 28/46:15 a.m.
YYZ
-
BUF
1 stop6h 27m
Multiple Airlines
Deal found 7/3C$ 690

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 12 March 2026.

Round-trip from

C$ 581

One-way from

C$ 198
Delta
  • Delta
  • 8/4-15/4
  • 2 total stops
  • 24h 15m total
  • Buffalo to Ontario
Search Deals
22/4
  • 22/4
  • 2 total stops
  • 21h 39m 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 12 March 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 8/4

7:56 p.m.-11:19 a.m.

1 stop15h 23m

Toronto Pearson Intl

Wed 15/4

6:00 a.m.-2:52 p.m.

1 stop8h 52m

C$ 581

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 14/5

6:04 a.m.-4:12 p.m.

1 stop10h 08m

Toronto Pearson Intl

Mon 18/5

7:55 a.m.-9:03 a.m.

1 stop25h 08m

C$ 593

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 13/4

6:00 a.m.-1:39 p.m.

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

2:29 p.m.-11:31 p.m.

1 stop9h 02m

C$ 619

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Thu 9/4

8:59 p.m.-2:16 p.m.

1 stop17h 17m

Toronto Pearson Intl

Wed 15/4

6:30 a.m.-11:40 a.m.

2 stops29h 10m

C$ 638

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 21/4

6:00 a.m.-1:39 p.m.

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

9:30 a.m.-4:50 p.m.

1 stop7h 20m

C$ 673

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 6/6

7:31 p.m.-11:13 p.m.

1 stop3h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

9:28 a.m.-5:23 p.m.

1 stop7h 55m

C$ 721

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Fri 17/4

10:52 a.m.-11:26 a.m.

1 stop24h 34m

Toronto Pearson Intl

Fri 24/4

5:50 p.m.-12:13 p.m.

2 stops18h 23m

C$ 745

BuffaloToronto

BUF - YYZ

BUFYYZ

Buffalo

Sun 5/4

6:02 a.m.-11:09 p.m.

1 stop17h 07m

Toronto Pearson Intl

Sun 12/4

6:00 a.m.-12:14 a.m.

1 stop18h 14m

C$ 754

BuffaloToronto

BUF - YTZ

BUFYTZ

Buffalo

Thu 30/4

7:00 a.m.-12:14 p.m.

1 stop5h 14m

Toronto Island

Tue 19/5

3:05 p.m.-10:57 p.m.

1 stop7h 52m

C$ 771

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 17/6

1:31 p.m.-6:15 p.m.

1 stop4h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

6:00 a.m.-11:03 p.m.

1 stop17h 03m

C$ 785

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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, American Airlines, and United Airlines fly from Buffalo to Region of Ontario in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 20h 51m. Buffalo and Region of Ontario are separated by a distance of 360 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 - Ottawa 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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LaGuardia to Québec City flights
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LaGuardia to Hamilton flights
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Syracuse to Vancouver Intl flights
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John F Kennedy Intl to Edmonton flights
LaGuardia to St. John's flights
LaGuardia to Winnipeg flights
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LaGuardia to Charlottetown flights
White Plains to Pierre Elliott Trudeau Intl flights
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Albany to Calgary flights
Buffalo to Calgary flights
John F Kennedy Intl to Victoria flights
John F Kennedy Intl to Kelowna 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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