Ontario

$160+ Cheap flights from Buffalo to Ontario (BUF - ONT)

BUF — ONT
Dec 10 — Dec 171
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Cheap flight deals from Buffalo to Ontario

Cheapest flights from Buffalo to Ontario

Thu 11/266:00 am -
1 stop8h 03m
Sat 12/1212:20 pm -
1 stop8h 44m
Deal found 11/5$377
Sat 12/57:00 am -
1 stop8h 12m
Sat 12/121:02 pm -
1 stop6h 50m
Deal found 11/6$399
Sat 12/51:10 pm -
2 stops10h 50m
Sat 12/121:25 pm -
1 stop6h 00m
Deal found 11/6$404
Thu 12/37:00 am -
1 stop8h 12m
Tue 12/81:02 pm -
1 stop6h 50m
Deal found 11/10$429
Thu 12/36:00 am -
1 stop8h 07m
Mon 12/711:08 pm -
1 stop8h 57m
Deal found 11/10$449
Thu 12/38:17 am -
1 stop7h 17m
Sat 12/127:00 am -
1 stop6h 57m
Deal found 11/5$507
Thu 11/266:30 am -
2 stops11h 54m
Sat 12/121:40 pm -
1 stop6h 17m
Deal found 11/5$512

Find flight deals from Buffalo to Ontario

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$377
(Delta)

One-way from

$160
(Mytrip)

Popular in

April

Cheapest in

January

Average price

$466
Provider with most accurate pricing for Buffalo-Ontario flight deals.
Provider most trusted by Cheapflights users for Buffalo-Ontario flights.
From Buffalo to Ontario
One-way flight from Buffalo to Ontario
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 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

Fri 1/29

8:00 am-12:40 pm

1 stop7h 40m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$254

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Thu 11/26

6:00 am-3:24 pm

2 stops12h 24m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$259

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 12/12

8:17 am-12:34 pm

1 stop7h 17m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$265

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Mon 12/21

4:10 pm-9:00 pm

1 stop7h 50m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$270

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 2/9

6:30 am-6:03 pm

2 stops14h 33m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$275

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Mon 12/14

1:53 pm-6:44 pm

1 stop7h 51m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$280

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 5/8

8:30 am-12:33 pm

1 stop7h 03m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$324

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 11/20

3:55 pm-10:00 pm

1 stop9h 05m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$329
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 11/25

8:50 am-12:33 pm

1 stop6h 43m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$394

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Fri 11/27

6:30 am-5:56 pm

2 stops14h 26m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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

Compare providers for flights from Buffalo to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Ontario in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $416 and $486 in November.
The cheapest round-trip price found within the last 5 days was $377 on Delta (Nov 26-Dec 12).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with United Airlines and American Airlines from Buffalo to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Boarding

7.7

Food

6.7

Entertainment

7.1

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Comfort

7.3

Boarding

7.7

Food

6.7

Entertainment

7.1

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Comfort

7.3

Boarding

7.7

Food

6.7

Entertainment

7.1

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

  • How long is the flight from Buffalo to Ontario?

    A quick flight from Buffalo to Ontario can take about 8h 07m. Delta provides one of the quickest options available for as low as $449. The distance between Buffalo and Ontario is about 2167 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Ontario round-trip?

    According to our current data, American Airlines ($321), and United Airlines ($374) offers the cheapest pricing from Buffalo to Ontario. You may be able to fly from Buffalo to Ontario for 40% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Buffalo to Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $163. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Buffalo to Ontario for a low price.

  • 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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Alternative routes for Buffalo to Ontario

Top 2 airlines flying from Buffalo to Ontario

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$321Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$374Average$664FlexibilityNo cancel feeOn-time69%

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