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Cheap flights from Buffalo to Ontario from C$ 233

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — ONT
31 Jul — 7 Aug1
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 1 July 2026.

Tue 1/93:52 p.m.
BUF
-
ONT
1 stop9h 45m
JetBlue
Tue 8/911:50 p.m.
ONT
-
BUF
1 stop11h 36m
JetBlue
Deal found 30/6C$ 421
Wed 19/83:55 p.m.
BUF
-
ONT
1 stop9h 42m
JetBlue
Thu 27/811:59 p.m.
ONT
-
BUF
1 stop11h 38m
JetBlue
Deal found 30/6C$ 515
Tue 18/83:55 p.m.
BUF
-
ONT
1 stop9h 42m
JetBlue
Mon 24/811:59 p.m.
ONT
-
BUF
1 stop16h 11m
JetBlue
Deal found 27/6C$ 550
Sat 22/83:55 p.m.
BUF
-
ONT
1 stop9h 04m
JetBlue
Mon 31/811:59 p.m.
ONT
-
BUF
1 stop12h 00m
JetBlue
Deal found 28/6C$ 552
Tue 18/83:55 p.m.
BUF
-
ONT
1 stop9h 42m
JetBlue
Thu 27/811:59 p.m.
ONT
-
BUF
1 stop11h 38m
JetBlue
Deal found 30/6C$ 559
Sat 5/93:52 p.m.
BUF
-
ONT
1 stop9h 07m
JetBlue
Sun 13/99:10 p.m.
ONT
-
BUF
1 stop8h 14m
JetBlue
Deal found 30/6C$ 569
Fri 27/113:55 p.m.
BUF
-
ONT
1 stop9h 00m
Southwest
Sat 5/126:00 a.m.
ONT
-
BUF
1 stop7h 00m
Southwest
Deal found 29/6C$ 586
Fri 4/126:16 a.m.
BUF
-
ONT
2 stops18h 58m
Delta
Sat 12/1212:00 p.m.
ONT
-
BUF
1 stop8h 55m
Delta
Deal found 27/6C$ 589
Tue 6/1012:10 p.m.
BUF
-
ONT
1 stop11h 03m
JetBlue
Wed 7/109:10 p.m.
ONT
-
BUF
1 stop8h 14m
JetBlue
Deal found 29/6C$ 591
Thu 17/124:55 p.m.
BUF
-
ONT
1 stop8h 45m
Southwest
Tue 5/110:50 a.m.
ONT
-
BUF
1 stop7h 05m
Southwest
Deal found 28/6C$ 636

Find flight deals from Buffalo to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2026.

Round-trip from

C$ 421

One-way from

C$ 233

Popular in

December

Cheapest in

October

Average price

C$ 820
JetBlue
  • JetBlue
  • 1/9-8/9
  • 2 total stops
  • 21h 21m total
  • Buffalo to Ontario
Search Deals
JetBlue
  • JetBlue
  • 12/8
  • 1 total stop
  • 9h 42m 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$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 1 July 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

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 22/8

3:55 p.m.-9:59 p.m.

1 stop9h 04m

Ontario

Mon 31/8

11:59 p.m.-2:59 p.m.

1 stop12h 00m

C$ 552

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 5/9

3:52 p.m.-9:59 p.m.

1 stop9h 07m

Ontario

Sun 13/9

9:10 p.m.-8:24 a.m.

1 stop8h 14m

C$ 569

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 27/11

3:55 p.m.-9:55 p.m.

1 stop9h 00m

Ontario

Sat 5/12

6:00 a.m.-4:00 p.m.

1 stop7h 00m

C$ 586

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 17/12

4:55 p.m.-10:40 p.m.

1 stop8h 45m

Ontario

Tue 5/1

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

1 stop7h 05m

C$ 636

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 24/7

5:55 p.m.-10:25 p.m.

1 stop7h 30m

Ontario

Tue 11/8

7:45 a.m.-8:35 p.m.

2 stops9h 50m

C$ 637
Quickest round-trip

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Sat 29/8

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

1 stop6h 55m

Ontario

Sat 5/9

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

1 stop6h 19m

C$ 661

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 18/8

10:30 a.m.-8:01 p.m.

2 stops12h 31m

Ontario

Mon 24/8

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

1 stop6h 19m

C$ 705

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 6/10

5:45 p.m.-10:49 p.m.

1 stop8h 04m

Ontario

Wed 7/10

1:52 p.m.-9:29 a.m.

2 stops16h 37m

C$ 739

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 12/8

5:58 p.m.-10:35 p.m.

1 stop7h 37m

Ontario

Mon 24/8

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

1 stop6h 19m

C$ 758
Cheapest one-way

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Fri 14/8

3:55 p.m.-10:38 p.m.

1 stop9h 43m

C$ 233

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 19 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.

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.

  • How long is the flight from Buffalo to Ontario?

    JetBlue and Southwest can get you from Buffalo to Ontario in just under 9h. Your travel time can differ by up to 04m. 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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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!

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