Cheap flights from Buffalo to Ontario from C$ 267

BUF — ONT
10 Dec — 17 Dec1
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

Thu 26/116:00 a.m. -
1 stop8h 03m
Sat 12/1212:20 p.m. -
1 stop8h 44m
Deal found 5/11C$ 532
Sat 5/127:00 a.m. -
1 stop8h 12m
Sat 12/121:02 p.m. -
1 stop6h 50m
Deal found 6/11C$ 563
Sat 5/121:10 p.m. -
2 stops10h 50m
Sat 12/121:25 p.m. -
1 stop6h 00m
Deal found 6/11C$ 570
Mon 7/128:17 a.m. -
1 stop7h 17m
Wed 9/121:40 p.m. -
1 stop6h 17m
Deal found 4/11C$ 715
Thu 3/128:17 a.m. -
1 stop7h 17m
Sun 6/121:40 p.m. -
1 stop6h 17m
Deal found 5/11C$ 765
Thu 3/128:17 a.m. -
1 stop7h 17m
Sat 12/121:40 p.m. -
1 stop6h 17m
Deal found 8/11C$ 768

Find flight deals from Buffalo to Ontario

Round-trip from

C$ 532

One-way from

C$ 267

Popular in

April

Cheapest in

January

Average price

C$ 657
Delta
  • Delta
  • 26/11-12/12
  • 2 total stops
  • 16h 47m total
  • Buffalo to Ontario
Delta
  • Delta
  • 26/11-31/12
  • 1 total stop
  • 8h 03m total
  • Buffalo to Ontario
Highest demand for flights based on searches. 6% potential increase in price (C$ 78 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Average for round-trip flights in November 2026

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

Thu 17/12

6:00 a.m.-11:07 a.m.

1 stop8h 07m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 353

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 16/12

6:00 a.m.-11:07 a.m.

1 stop8h 07m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 353

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 12/12

8:17 a.m.-12:34 p.m.

1 stop7h 17m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 374

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 24/12

5:35 p.m.-10:31 p.m.

1 stop7h 56m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 436
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 8/5

8:30 a.m.-12:33 p.m.

1 stop7h 03m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 457

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 20/11

7:20 a.m.-2:05 p.m.

2 stops9h 45m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 471

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 25/11

3:25 p.m.-8:55 p.m.

2 stops8h 30m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 499

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Mon 23/11

6:30 a.m.-5:56 p.m.

2 stops14h 26m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 563

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 24/11

6:30 a.m.-5:56 p.m.

2 stops14h 26m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 563

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 5/12

1:10 p.m.-9:00 p.m.

2 stops10h 50m

Ontario

Sat 12/12

1:25 p.m.-10:25 p.m.

1 stop6h 00m

C$ 570

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Ontario

How much does it cost to fly round-trip from Buffalo to Ontario?

Airfare is below average for this route at the moment.

Buffalo to Ontario flights typically cost between C$ 587 and C$ 686 in November.
The cheapest round-trip price found within the last 5 days was C$ 532 on Delta (26 Nov-12 Dec).

Related info for your journey

  • How long is the flight from Buffalo to Ontario?

    Southwest and United Airlines can get you from Buffalo to Ontario in just under 10h 50m. Your travel time can differ by up to 3h 16m. 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

Cheapflights helps you search for flights from Buffalo to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Buffalo to Ontario for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Buffalo to Ontario with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.