Cheap flights from Ontario to Buffalo (ONT - BUF) from $125

This is the cheapest one-way flight price, found on 6/3. Prices may vary by date and flight preferences.
ONT — BUF
Jun 10 — Jun 171

The best prices from Ontario to Buffalo are usually found in February or October, booked 13 days in advance, depart on a Wednesday or Friday and return on a Tuesday

How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)

All the information you need to plan the best ONT to BUF flight in 2023: compare Ontario to Buffalo flight prices with the expected peak season, weather and rainfall in Buffalo.

Popular in

July

Cheapest in

February

Round-trip from

$263

One-way from

$247
High demand for flights, 46% potential price rise
Best time to find cheap flights, 40% potential price drop
From Ontario to Buffalo
One-way flight from Ontario to Buffalo

ONT - BUF

Price

$263 - $469

BUF

Temperature

24.8 - 71.6 °F

BUF

Rainfall

2.5 - 4 inches

Cheap flights from Ontario to Buffalo in June, July 2023

The best prices found for ONT to BUF flights for June, July
These are some of the most attractive deals on flights from Ontario to Buffalo in 2023. For more flight deals, be sure to check back very soon.

Ontario to Buffalo 2023 flight deals

Cheap flights to Buffalo from Ontario found for this year
These are some of the most attractive deals on flights from Ontario to Buffalo in 2023. For more flight deals, be sure to check back very soon.

Cheap Frontier flights from Ontario to Buffalo

Find some of the cheapest Frontier flights traveling from Ontario to Buffalo. Make sure to check back often as deals are often changing.

Cheap JetBlue flights from Ontario to Buffalo

Some of the best deals we've found on JetBlue flights traveling from Ontario to Buffalo. Make sure to examine the flight information before completing your reservation.

Last minute flights from Ontario to Buffalo

Late deals on return flights to Buffalo from Ontario, departing today and this week
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.

One-way flights to Buffalo from Ontario

The cheapest one-way flights from Ontario to Buffalo
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.

Find flights from Ontario to Buffalo within your budget

Use the slider to find flights from Ontario to Buffalo that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$244 - $357

Route

Depart

Return

Price

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 8/26

1 stop21h 15m

Buffalo

Wed 8/30

1 stop10h 36m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 8/26

1 stop21h 15m

Buffalo

Tue 8/29

1 stop11h 00m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 8/26

2 stops17h 51m

Buffalo

Wed 8/30

1 stop10h 36m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 8/26

1 stop21h 15m

Buffalo

Thu 8/31

1 stop16h 17m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Thu 8/24

2 stops12h 12m

Buffalo

Wed 8/30

1 stop10h 36m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Sat 9/16

1 stop8h 59m

Buffalo

Tue 9/26

1 stop9h 09m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Thu 8/24

2 stops12h 12m

Buffalo

Tue 8/29

1 stop11h 00m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Wed 9/6

1 stop8h 59m

Buffalo

Mon 9/11

1 stop9h 09m

OntarioBuffalo

ONT - BUF

ONTBUF

Ontario

Mon 8/21

2 stops22h 43m

Buffalo

Tue 8/29

2 stops12h 32m

Flights are sorted by cheapest first

Deals found on 6/4

Reviews of Airlines Servicing Buffalo

To help decide which airline to fly from Ontario to Buffalo, see what other customers have to say about Frontier, JetBlue and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Reviews

1 / 10

I will try not to ever fly United. They are not honest. Missed the connection in Chicago. United flight was approx. 3 hours late. United did not help for re- booking. Turkish airlines were very helpful.

United Airlines
7.6
Good
1,558 reviews
United Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Reviews

1 / 10

I will try not to ever fly United. They are not honest. Missed the connection in Chicago. United flight was approx. 3 hours late. United did not help for re- booking. Turkish airlines were very helpful.

JetBlue
7.5
Good
616 reviews
United Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Reviews

1 / 10

I will try not to ever fly United. They are not honest. Missed the connection in Chicago. United flight was approx. 3 hours late. United did not help for re- booking. Turkish airlines were very helpful.

American Airlines
7.3
Good
2,149 reviews
United Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Reviews

1 / 10

I will try not to ever fly United. They are not honest. Missed the connection in Chicago. United flight was approx. 3 hours late. United did not help for re- booking. Turkish airlines were very helpful.

Frontier
5.9
Fair
677 reviews
United Airlines
7.6
Good
1,558 reviews

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Reviews

1 / 10

I will try not to ever fly United. They are not honest. Missed the connection in Chicago. United flight was approx. 3 hours late. United did not help for re- booking. Turkish airlines were very helpful.

Related info for your journey

Useful info, stats and facts about Ontario to Buffalo flights.

Alternative routes for Ontario to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to Buffalo

The chart below displays the airlines Cheapflights users traveling from Ontario to Buffalo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$164Average$244FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
JetBlueCheapest$244Average$406FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
American AirlinesCheapest$297Average$618FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$343Average$525FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
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