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Cheap flights from Buffalo to Ontario from C$ 268

BUF — ONT
15 Oct — 22 Oct1
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

Wed 21/106:00 a.m. -
1 stop8h 06m
Tue 27/1012:16 p.m. -
1 stop8h 43m
Deal found 14/9C$ 481
Wed 21/106:00 a.m. -
1 stop8h 06m
Mon 26/1011:15 p.m. -
1 stop9h 01m
Deal found 14/9C$ 492
Thu 22/103:53 p.m. -
2 stops11h 02m
Mon 26/1011:15 p.m. -
1 stop9h 01m
Deal found 14/9C$ 500
Thu 12/116:00 a.m. -
1 stop8h 08m
Wed 18/1112:18 p.m. -
1 stop8h 41m
Deal found 10/9C$ 524
Mon 19/107:30 p.m. -
1 stop7h 25m
Fri 23/1011:55 p.m. -
1 stop7h 35m
Deal found 13/9C$ 525
Wed 21/106:20 p.m. -
1 stop6h 45m
Sat 31/106:30 a.m. -
1 stop6h 35m
Deal found 13/9C$ 531
Tue 20/106:00 a.m. -
1 stop8h 06m
Wed 28/1012:16 p.m. -
1 stop8h 43m
Deal found 13/9C$ 590

Find flight deals from Buffalo to Ontario

Round-trip from

C$ 481

One-way from

C$ 268

Popular in

December

Cheapest in

January

Average price

C$ 670
Delta
  • Delta
  • 21/10-27/10
  • 2 total stops
  • 16h 49m total
  • Buffalo to Ontario
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United Airlines
  • United Airlines
  • 31/10-31/12
  • 1 total stop
  • 6h 43m total
  • Buffalo to Ontario
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 31/10

6:00 a.m.-12:33 p.m.

2 stops9h 33m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 275

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 24/10

10:46 a.m.-8:58 p.m.

2 stops13h 12m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 275
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 29/10

8:50 a.m.-12:30 p.m.

1 stop6h 40m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 295

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sun 25/10

4:04 p.m.-9:54 p.m.

1 stop8h 50m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 339

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 21/10

10:00 a.m.-8:25 p.m.

2 stops13h 25m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 354

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Mon 21/12

8:15 a.m.-12:42 p.m.

1 stop7h 27m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 429

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 23/10

10:46 a.m.-10:51 p.m.

2 stops15h 05m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 436

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 20/11

11:17 a.m.-11:31 p.m.

2 stops15h 14m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 472

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 21/11

11:17 a.m.-11:31 p.m.

2 stops15h 14m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 472

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 26/9

7:00 a.m.-5:46 p.m.

2 stops13h 46m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 520

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 22 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

Related info for your journey

  • How long is the flight from Buffalo to Ontario?

    Delta and United Airlines can get you from Buffalo to Ontario in just under 8h 08m. Your travel time can differ by up to 6h 23m. The distance between Buffalo and Ontario is about 3487 km. This flight may include one or multiple stops.

  • 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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