Find flights
When to book
FAQs

Cheap flights from Buffalo to Ontario from C$ 227

BUF — ONT
29 Nov — 6 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 3/126:00 a.m. -
1 stop8h 07m
Mon 7/1211:08 p.m. -
1 stop8h 57m
Deal found 30/10C$ 571
Wed 16/126:00 a.m. -
1 stop8h 07m
Sat 9/11:08 p.m. -
1 stop7h 51m
Deal found 30/10C$ 613
Tue 15/126:00 a.m. -
1 stop8h 07m
Wed 6/11:07 p.m. -
1 stop7h 52m
Deal found 30/10C$ 614
Thu 3/126:00 a.m. -
1 stop8h 07m
Sun 6/1212:20 p.m. -
1 stop8h 44m
Deal found 30/10C$ 620
Thu 26/118:50 a.m. -
1 stop6h 43m
Thu 3/121:40 p.m. -
1 stop6h 17m
Deal found 29/10C$ 636
Tue 8/126:30 a.m. -
2 stops14h 06m
Thu 10/121:40 p.m. -
1 stop6h 17m
Deal found 27/10C$ 643
Wed 2/126:00 a.m. -
1 stop8h 07m
Thu 3/1212:20 p.m. -
1 stop8h 44m
Deal found 30/10C$ 655
Wed 9/128:17 a.m. -
1 stop7h 17m
Fri 11/121:40 p.m. -
1 stop6h 17m
Deal found 27/10C$ 664
Wed 16/126:00 a.m. -
1 stop8h 07m
Mon 21/1210:35 p.m. -
2 stops12h 43m
Deal found 26/10C$ 691

Find flight deals from Buffalo to Ontario

Round-trip from

C$ 571

One-way from

C$ 227

Popular in

October

Cheapest in

January

Average price

C$ 962
Delta
  • Delta
  • 15/12-8/1
  • 2 total stops
  • 15h 59m total
  • Buffalo to Ontario
Search Deals
Delta
  • Delta
  • 12/12-31/12
  • 1 total stop
  • 8h 07m total
  • Buffalo to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

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 12/12

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$ 227

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Mon 14/12

1:53 p.m.-6:44 p.m.

1 stop7h 51m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 355
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 8/1

8:00 a.m.-12:40 p.m.

1 stop7h 40m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 365

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 9/1

1:50 p.m.-6:50 p.m.

1 stop8h 00m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 365

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 18/11

6:30 a.m.-6:01 p.m.

2 stops14h 31m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 373

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sun 10/1

8:00 a.m.-12:40 p.m.

1 stop7h 40m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 420

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 3/12

11:26 a.m.-10:59 p.m.

2 stops14h 33m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 453

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 13/11

12:16 p.m.-6:34 p.m.

1 stop9h 18m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 453

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 14/11

12:16 p.m.-7:49 p.m.

1 stop10h 33m

Ontario

Wed 31/12

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

Nonstop0h 00m

C$ 453

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 15/12

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

1 stop8h 07m

Ontario

Thu 7/1

1:07 p.m.-11:59 p.m.

1 stop7h 52m

C$ 571

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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$ 582 and C$ 680 in December.
The cheapest round-trip price found within the last 5 days was C$ 571 on Delta (3 Dec-7 Dec).

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 7h 17m. Your travel time can differ by up to 50m. 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.