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$89+ Cheap flights from Ontario to Buffalo (ONT - BUF)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BUF
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Find cheap flights from Ontario to Buffalo with Cheapflights

1. Tell us where you want to go
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The best prices from Ontario to Buffalo are usually found in September or January, booked 29 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Ontario to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Buffalo (BUF). 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 January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(Delta)

One-way from

$89
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$366
Provider with most accurate pricing for Ontario-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Ontario-Buffalo flights.
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From Ontario to Buffalo
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One-way flight from Ontario to Buffalo
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High demand for flights, 11% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Ontario to Buffalo

Cheapest flights from Ontario to Buffalo
Explore the most affordable flight options available from Ontario to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/41:10 pmONT - BUF
1 stop7h 47mDelta
Wed 3/126:00 amBUF - ONT
1 stop8h 36mDelta
Deal found 1/20$347
This JetBlue deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:37 pmONT - BUF
1 stop10h 36mJetBlue
Mon 9/82:10 pmBUF - ONT
1 stop11h 12mJetBlue
Deal found 1/19$377
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/137:35 pmONT - BUF
2 stops12h 14mAmerican Airlines
Mon 3/176:47 amBUF - ONT
1 stop10h 13mAmerican Airlines
Deal found 1/20$422
This Southwest deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:20 pmONT - BUF
2 stops10h 35mSouthwest
Mon 9/14:10 pmBUF - ONT
1 stop7h 55mSouthwest
Deal found 1/19$462
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:45 amONT - BUF
2 stops11h 46mUnited Airlines
Tue 7/298:30 amBUF - ONT
1 stop7h 03mUnited Airlines
Deal found 1/20$475
This Alaska Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:55 pmONT - BUF
2 stops12h 44mAlaska Airlines
Sat 9/1311:46 amBUF - ONT
2 stops11h 01mAlaska Airlines
Deal found 1/19$528

Find flights from Ontario to Buffalo within your budget

Customize your flight search to find flights from Ontario to Buffalo 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 2,558,603 searches. Data last updated January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 3/4

1:10 pm-11:57 pm

1 stop7h 47m

Buffalo

Wed 3/12

6:00 am-11:36 am

1 stop8h 36m

$347

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Thu 3/13

7:35 pm-10:49 am

2 stops12h 14m

Buffalo

Mon 3/17

6:47 am-2:00 pm

1 stop10h 13m

$422

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 2/18

5:05 am-4:40 pm

2 stops8h 35m

Buffalo

Tue 2/25

7:00 am-6:31 pm

2 stops14h 31m

$507

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Wed 5/14

10:40 pm-9:44 am

1 stop8h 04m

Buffalo

Wed 5/21

3:05 pm-9:22 pm

1 stop9h 17m

$530

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 4/15

6:00 am-9:32 pm

2 stops12h 32m

Buffalo

Tue 4/22

3:50 pm-9:16 am

3 stops20h 26m

$663

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 4/8

3:17 pm-10:24 am

2 stops16h 07m

$89

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Wed 4/30

10:40 pm-9:44 am

1 stop8h 04m

$136

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 6/14

6:32 pm-9:38 am

2 stops12h 06m

$214

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 6/14

12:50 pm-10:28 pm

1 stop6h 38m

$239

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Fri 6/20

10:59 pm-11:16 am

1 stop9h 17m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 11 results
1
2

Compare providers for flights from Ontario to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Buffalo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 Ontario-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Buffalo 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 Ontario-Buffalo 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 Ontario to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Ontario 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.

Travel insights for flights from Ontario to Buffalo

Get recent, data-driven insights about flights from Ontario to Buffalo including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Buffalo. Price data was last updated on January 17, 2025.

The best time to book flights from Ontario to Buffalo is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Ontario to Buffalo (average of $256). Flying from Ontario to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to BUF?

Find hourly flight availability from Ontario to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

One of the essential ways to save on airfare from Ontario to Buffalo is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 44% on airfare.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated January 20, 2025.
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,696 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

JetBlue
7.4
Good
3,201 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, Delta ($347), American Airlines ($422), and United Airlines ($507) offers the cheapest pricing from Ontario to Buffalo. Delta is 25% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $89 on Frontier. Other airlines that offer cheap prices include JetBlue from $136 and United Airlines from $214 one-way.

  • Can I find deals for flights from Ontario to Buffalo that include hotel bookings?

    Yes. In addition to deals on Ontario to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buffalo.

  • Can I find deals for business class flights from Ontario to Buffalo?

    Yes. Cheapflights offers flight deals from Ontario to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Buffalo (average of $256). Flying from Ontario to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
West Seneca
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga

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Top 5 airlines flying from Ontario to Buffalo

Discover the top 5 airlines that operate flights from Ontario to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$288FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$465FlexibilityNo cancel feeOn-time71%
DeltaCheapest$286Average$485FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$288Average$571FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$306Average$471FlexibilityNo cancel feeOn-time63%
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