HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario to Buffalo (ONT - BUF) from $93

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — BUF
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Buffalo are usually found in April or January, booked 44 days in advance, depart on a Monday or Sunday and return on a Tuesday

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 June 13, 2024.

Popular in

July

Cheapest in

April

Round-trip from

$256

One-way from

$161
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals
From Ontario to Buffalo
Search Deals
One-way flight from Ontario to Buffalo
Search Deals

What is the cheapest day to fly round-trip from Ontario to Buffalo?

Sunday is generally a great day to depart. Flying on this day could help you save up to 58%.

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

Find a great deal and save up to 68% by booking at least 40 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Buffalo within the next two weeks, with the cheapest ticket starting at $359.

What is the cheapest month to fly from Ontario to Buffalo?

The best pricing can be found in the month of September. Prices to Buffalo from Ontario average $344. You can even find prices in September for less than $344, as users have found deals to Buffalo from as low as $129. The month of July appears to be one of the more expensive times to travel to Buffalo from Ontario. Flying in the targeted month can save you up to 27%.

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

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

Cheap Ontario to Buffalo flights in June & July 2024

Find cheap flight options from Ontario to Buffalo specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
These are some of the most attractive deals on flights from Ontario to Buffalo in 2024. For more flight deals, be sure to check back very soon.
Mon 7/297:19 amONT - BUF
1 stop7h 29mFrontier
Thu 8/83:13 pmBUF - ONT
1 stop11h 43mFrontier
Deal found 6/12$247
Sun 7/2812:59 amONT - BUF
1 stop13h 49mFrontier
Thu 8/83:13 pmBUF - ONT
1 stop11h 43mFrontier
Deal found 6/12$258
Tue 7/3011:47 pmONT - BUF
1 stop7h 43mJetBlue
Wed 8/145:00 pmBUF - ONT
1 stop8h 32mJetBlue
Deal found 6/12$275
Fri 7/1210:03 pmONT - BUF
1 stop12h 31mFrontier
Fri 7/198:06 pmBUF - ONT
1 stop18h 46mFrontier
Deal found 6/12$292
Thu 6/2012:59 amONT - BUF
1 stop13h 26mFrontier
Mon 6/245:52 pmBUF - ONT
1 stop8h 52mFrontier
Deal found 6/13$294
Tue 6/1812:59 amONT - BUF
1 stop13h 53mFrontier
Sat 6/2910:54 pmBUF - ONT
1 stop14h 45mFrontier
Deal found 6/12$298
Fri 6/2110:23 pmONT - BUF
1 stop20h 29mFrontier
Mon 6/245:52 pmBUF - ONT
1 stop8h 52mFrontier
Deal found 6/13$300
Thu 7/1112:59 amONT - BUF
1 stop15h 17mFrontier
Fri 7/198:06 pmBUF - ONT
1 stop18h 46mFrontier
Deal found 6/12$302
Tue 6/1812:59 amONT - BUF
1 stop13h 53mFrontier
Wed 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/12$303

Ontario to Buffalo 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Buffalo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
These are some of the most attractive deals on flights from Ontario to Buffalo in 2024. For more flight deals, be sure to check back very soon.
Sun 9/112:49 amONT - BUF
1 stop12h 31mFrontier
Sat 9/76:46 pmBUF - ONT
1 stop7h 58mFrontier
Deal found 6/12$180
Fri 8/2312:49 amONT - BUF
1 stop13h 57mFrontier
Wed 8/286:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/12$190
Thu 8/112:59 amONT - BUF
1 stop15h 17mFrontier
Thu 8/83:13 pmBUF - ONT
1 stop11h 43mFrontier
Deal found 6/12$201
Fri 8/212:39 amONT - BUF
1 stop17h 03mFrontier
Thu 8/83:13 pmBUF - ONT
1 stop11h 43mFrontier
Deal found 6/12$212
Thu 9/127:30 pmONT - BUF
2 stops12h 06mAmerican Airlines
Sat 9/146:15 amBUF - ONT
1 stop8h 39mAmerican Airlines
Deal found 6/13$217
Thu 9/127:30 pmONT - BUF
2 stops11h 42mAmerican Airlines
Sat 9/146:22 amBUF - ONT
2 stops12h 40mAmerican Airlines
Deal found 6/13$222
Sat 8/1010:47 amONT - BUF
1 stop6h 55mFrontier
Fri 8/166:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/12$224
Thu 8/2212:49 amONT - BUF
1 stop13h 57mFrontier
Wed 8/286:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/12$226
Fri 8/912:39 amONT - BUF
1 stop17h 03mFrontier
Fri 8/166:46 pmBUF - ONT
1 stop7h 53mFrontier
Deal found 6/12$227

Ontario to Buffalo flights leaving soon

Find last-minute flight options from Ontario to Buffalo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Consider one of these great deals we found on last-minute flights from Ontario to Buffalo. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 6/1812:59 amONT - BUF
1 stop13h 53mFrontier
Sat 6/2910:54 pmBUF - ONT
1 stop14h 45mFrontier
Deal found 6/12$298
Tue 6/1812:59 amONT - BUF
1 stop13h 53mFrontier
Wed 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/12$303
Sun 6/2312:59 amONT - BUF
1 stop12h 51mFrontier
Fri 6/286:15 pmBUF - ONT
1 stop8h 25mFrontier
Deal found 6/12$348
Sun 6/2312:59 amONT - BUF
1 stop12h 51mFrontier
Sat 6/2910:54 pmBUF - ONT
1 stop14h 45mFrontier
Deal found 6/12$367
Wed 6/198:03 amONT - BUF
1 stop6h 49mFrontier
Sat 6/2910:54 pmBUF - ONT
1 stop14h 45mFrontier
Deal found 6/12$388
Wed 6/198:03 amONT - BUF
1 stop6h 49mFrontier
Wed 6/266:52 pmBUF - ONT
1 stop19h 07mFrontier
Deal found 6/12$393
Thu 6/207:05 amONT - BUF
2 stops13h 58mDelta
Fri 6/214:03 pmBUF - ONT
1 stop9h 57mDelta
Deal found 6/12$416
Fri 6/147:13 amONT - BUF
1 stop7h 12mFrontier
Mon 6/175:52 pmBUF - ONT
1 stop9h 07mFrontier
Deal found 6/11$418
Thu 6/2012:49 pmONT - BUF
1 stop7h 54mAmerican Airlines
Fri 6/216:40 amBUF - ONT
1 stop8h 14mAmerican Airlines
Deal found 6/12$488

One-way flights to Buffalo from Ontario

Search for one-way flight options from Ontario to Buffalo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Buffalo. Users needing a return flight from Ontario to Buffalo should utilize the search form above.
Tue 8/2712:49 amONT - BUF
1 stop13h 57mFrontier
Deal found 6/12$93
Mon 7/227:19 amONT - BUF
1 stop7h 29mFrontier
Deal found 6/11$97
Fri 8/97:19 amONT - BUF
1 stop8h 57mFrontier
Deal found 6/12$99
Thu 9/51:10 pmONT - BUF
1 stop25h 36mFrontier
Deal found 6/12$101
Sun 7/2112:59 amONT - BUF
1 stop13h 49mFrontier
Deal found 6/11$102
Wed 8/712:49 amONT - BUF
1 stop10h 24mFrontier
Deal found 6/12$104
Sat 7/2011:59 pmONT - BUF
1 stop7h 31mJetBlue
Deal found 6/12$124
Sat 6/229:44 amONT - BUF
1 stop9h 08mFrontier
Deal found 6/12$147
Sat 6/229:44 amONT - BUF
1 stop9h 08mFrontier
Deal found 6/12$148

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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$180 - $477

Route

Depart

Return

Price

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sun 9/1

1 stop12h 31m

Buffalo

Sat 9/7

1 stop7h 58m

$180

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Fri 8/23

1 stop13h 57m

Buffalo

Wed 8/28

1 stop7h 53m

$190

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Thu 8/1

1 stop15h 17m

Buffalo

Thu 8/8

1 stop11h 43m

$201

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Fri 8/2

1 stop17h 03m

Buffalo

Thu 8/8

1 stop11h 43m

$212

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 10/1

2 stops9h 52m

Buffalo

Tue 10/8

1 stop7h 09m

$217

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sun 9/1

1 stop7h 38m

Buffalo

Sat 9/7

1 stop8h 39m

$229

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Tue 7/30

1 stop7h 43m

Buffalo

Thu 8/8

1 stop8h 32m

$275

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Wed 8/28

2 stops12h 12m

Buffalo

Tue 9/17

2 stops17h 02m

$392

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Thu 8/22

1 stop9h 32m

Buffalo

Wed 8/28

2 stops17h 10m

$477

Flights are sorted by cheapest first

Deals found on 6/12

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 May 31, 2024.
The best time to book flights from Ontario to Buffalo is 44 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.
Search Deals

What is the cheapest day to fly from Ontario to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Buffalo. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Buffalo flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Buffalo by month

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

BUF

Temperature

24.8 - 71.6 °F

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 June 13, 2024.
To help decide which airline to fly from Ontario to Buffalo, see what other customers have to say about JetBlue, Frontier and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

JetBlue
7.6
Good
4,260 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines
7.3
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Frontier
6.2
Okay
3,951 reviews
Delta
8.0
Very good
10,000 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.4

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

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.

  • Can I find flights from Ontario to Buffalo for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $180, but on average you can expect to pay $238.

  • Are there last-minute flights available from Ontario to Buffalo for under $300?

    There are currently 20+ open flights from Ontario to Buffalo within the next 7 days for less than $300.

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

    According to our current data, Frontier ($180), American Airlines ($217), and JetBlue ($275) offers the cheapest pricing from Ontario to Buffalo. Frontier is 57% 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 $93 on Frontier. Other airlines that offer cheap prices include JetBlue from $124 and American Airlines from $161 one-way.

  • What does ONT to BUF mean?

    ONT stands for Ontario Airport, while BUF stands for Buffalo Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Ontario to Buffalo that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Buffalo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Buffalo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Buffalo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Buffalo that allow pets onboard?

    Many airlines flying from Ontario to Buffalo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Buffalo?

    Yes, you can often find last-minute deals on Ontario to Buffalo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Buffalo flight deals updated?

    The Ontario to Buffalo flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from Ontario to Buffalo?

    When booking a flight from Ontario to Buffalo, you may want to consider flying on American Airlines, JetBlue or Delta as they are the most popular for this route.

  • 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 July is currently the most expensive (average of $356). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Newark flights
Los Angeles to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
San Francisco to Newark flights
San Francisco to LaGuardia flights
Burbank to Newark flights
Oakland to Newark flights
Ontario to John F Kennedy Intl flights
Burbank to LaGuardia flights
Oakland to LaGuardia flights
Santa Ana to Newark flights
San Diego to John F Kennedy Intl flights
Ontario to LaGuardia flights
Santa Ana to LaGuardia flights
San Diego to Newark flights
Ontario to Newark flights
Santa Ana to John F Kennedy Intl flights
San Diego to LaGuardia flights
Las Vegas to John F Kennedy Intl flights
Las Vegas to Newark flights
Oakland to John F Kennedy Intl flights
San Jose to Newark flights
Burbank to John F Kennedy Intl flights
San Jose to John F Kennedy Intl flights
Sacramento to John F Kennedy Intl flights
San Jose to LaGuardia flights
Las Vegas to LaGuardia flights
Sacramento to Newark flights
Los Angeles to White Plains flights
Sacramento to LaGuardia flights
Los Angeles to Buffalo flights
Los Angeles to Albany flights
Fresno to John F Kennedy Intl flights
San Francisco to Buffalo flights
Fresno to Newark flights
Los Angeles to Syracuse flights
Palm Springs to John F Kennedy Intl flights
Reno to John F Kennedy Intl flights
San Francisco to Syracuse flights
Reno to Newark flights
Fresno to LaGuardia flights
San Francisco to White Plains flights
Long Beach to John F Kennedy Intl flights
San Diego to Syracuse flights
San Francisco to Rochester flights
Reno to LaGuardia flights
San Francisco to Albany flights
Palm Springs to LaGuardia flights

Top 4 airlines flying from Ontario to Buffalo

Discover the top 4 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$288FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$249Average$657FlexibilityNo cancel feeOn-time62%
DeltaCheapest$259Average$480FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$503FlexibilityNo cancel feeOn-time71%
Dallas to Orlando flights
Charlotte to New York flights
USA to Brisbane flights
Orlando to Fort Lauderdale flights
Pittsburgh to New York flights
Dallas to Atlanta flights
Los Angeles to Miami flights
Atlanta to Miami flights
Tijuana to Guadalajara flights
USA to London flights
Cleveland to Chicago flights
Ontario to Bucharest flights

Search flights from Ontario to Buffalo by cabin class

Find flights from Ontario to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Naxos
Flights to Urumqi
Flights to Kaunas
Flights to Hyannis Barnstable
Flights to Brainerd Crow Wing County
Flights to Figari-Sud Corse
Flights to Komatsu
Flights to Riverton
Flights to Hakodate
Flights to Trabzon
Flights to Surigao
Flights to Pellston Emmet County
Flights to Constanţa Mihail Kogalniceanu
Flights to Neiva La Marguita
Flights to Liberal
Flights to Virac
Flights to Devils Lake
Flights to Edremit/Korfez
Flights to Alghero-Fertilia
Flights to Gaziantep
Flights to Paleochori Milos
Flights to Rhinelander Oneida County
Flights to Nampula
Flights to Leh
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.
View all available airlines