Find flights
When to book
FAQs

Cheap flights from Buffalo to Ontario from C$ 263

BUF — ONT
30 Sep — 7 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

Thu 22/104:50 p.m. -
2 stops10h 05m
Sat 24/106:50 a.m. -
2 stops9h 00m
Deal found 26/8C$ 589
Wed 11/1110:35 a.m. -
2 stops13h 16m
Tue 17/117:00 a.m. -
1 stop7h 02m
Deal found 30/8C$ 595
Fri 25/127:00 a.m. -
1 stop9h 30m
Wed 30/126:12 a.m. -
1 stop10h 00m
Deal found 30/8C$ 609
Thu 12/114:55 p.m. -
1 stop8h 45m
Tue 17/1110:55 a.m. -
1 stop6h 55m
Deal found 30/8C$ 610
Fri 25/128:05 a.m. -
2 stops9h 35m
Wed 30/129:35 p.m. -
2 stops10h 05m
Deal found 28/8C$ 624
Thu 12/117:20 a.m. -
1 stop8h 45m
Mon 16/1110:05 a.m. -
1 stop7h 40m
Deal found 30/8C$ 627
Wed 9/95:57 p.m. -
1 stop8h 02m
Thu 10/96:08 a.m. -
2 stops11h 59m
Deal found 29/8C$ 684

Find flight deals from Buffalo to Ontario

Round-trip from

C$ 589

One-way from

C$ 263

Popular in

December

Cheapest in

October

Average price

C$ 854
Southwest
  • Southwest
  • 22/10-24/10
  • 4 total stops
  • 19h 05m total
  • Buffalo to Ontario
Search Deals
Delta
  • Delta
  • 7/10
  • 1 total stop
  • 8h 06m total
  • Buffalo to Ontario
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

Wed 11/11

10:35 a.m.-8:51 p.m.

2 stops13h 16m

Ontario

Tue 17/11

7:00 a.m.-5:02 p.m.

1 stop7h 02m

C$ 595

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 25/12

2:00 p.m.-6:15 p.m.

1 stop7h 15m

Ontario

Wed 30/12

11:55 p.m.-10:40 a.m.

1 stop7h 45m

C$ 610

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 12/11

4:00 p.m.-10:55 p.m.

2 stops9h 55m

Ontario

Tue 17/11

10:55 a.m.-8:50 p.m.

1 stop6h 55m

C$ 617

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 12/11

7:20 a.m.-1:05 p.m.

1 stop8h 45m

Ontario

Mon 16/11

10:05 a.m.-8:45 p.m.

1 stop7h 40m

C$ 627

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 7/1

7:00 a.m.-5:47 p.m.

2 stops13h 47m

Ontario

Thu 14/1

1:00 p.m.-10:45 p.m.

1 stop6h 45m

C$ 684
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 11/9

8:55 a.m.-12:50 p.m.

1 stop6h 55m

Ontario

Tue 22/9

1:18 p.m.-10:37 p.m.

1 stop6h 19m

C$ 729

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 7/1

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

1 stop7h 03m

Ontario

Fri 15/1

1:00 p.m.-10:45 p.m.

1 stop6h 45m

C$ 748
Cheapest one-way

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 7/10

6:00 a.m.-11:06 a.m.

1 stop8h 06m

C$ 263

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 21/10

6:15 a.m.-12:36 p.m.

2 stops9h 21m

C$ 295

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 23/10

6:00 a.m.-11:06 a.m.

1 stop8h 06m

C$ 334

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/8

Showing 1-10 of 17 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

Related info for your journey

  • How long is the flight from Buffalo to Ontario?

    United Airlines and Southwest can get you from Buffalo to Ontario in just under 7h 15m. Your travel time can differ by up to 6h 01m. 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.