Which airports can I use when flying from Buffalo to Ontario?

Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).

What cabin classes can I book on flights from Buffalo to Ontario?

Two cabin classes are available on flights from Buffalo to Ontario: • Economy Class • First Class

Which airports do connecting flights from Buffalo to Ontario pass through?

One-stop flights from Buffalo to Ontario most commonly connect through: • Dallas/Fort Worth (DFW) - 46% of one-stop connections • Denver Intl (DEN) - 19% of one-stop connections • Baltimore/Washington (BWI) - 15% of one-stop connections • Chicago Midway (MDW) - 12% of one-stop connections

Can I save money by using flexible dates for flights from Buffalo to Ontario?

Yes. Flexible dates can save you up to 63% on flights from Buffalo to Ontario. Saturday is the cheapest departure day at $306 round-trip on average, while Monday is the most expensive at $815, a difference of $509. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Buffalo to Ontario?

A nonstop flight from Buffalo to Ontario takes 00m, covering 2,167 miles.

Do I need a passport to fly from Buffalo to Ontario?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Buffalo to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $337 to $2,799. That means the highest observed fare was about 8x higher than the lowest one.

How are flight prices from Buffalo to Ontario looking right now?

One-way fares from Buffalo to Ontario are currently lower than usual. Average one-way flight prices are about $196, which is 18% below the typical average for this route.

How much time can I save by choosing a different layover airport from Buffalo to Ontario?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 37m, compared with 7h 53m via Chicago Midway (MDW) and 8h 10m via Baltimore/Washington (BWI).

What is the time difference between Buffalo and Ontario?

Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a Buffalo to Ontario flight?

Round-trip flights from Buffalo to Ontario range from $374 to $646, with an average of $526 over the past 12 months. Anything below $374 counts as a good deal.

Which airline is the cheapest to fly from Buffalo to Ontario?

Frontier ($337) and American Airlines ($368) are the cheapest airlines to fly round-trip from Buffalo to Ontario according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Buffalo to Ontario?

Dallas/Fort Worth (DFW) is the most popular layover for the Buffalo to Ontario route. 46% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DFW.

What is the cheapest layover airport when flying from Buffalo to Ontario?

Flights via Chicago Midway (MDW) offer the most affordable fares, with an average round-trip price of $373. Based on KAYAK data over the past 3 months.

When flying from Buffalo to Ontario which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Buffalo to Ontario layovers at 4h 36m over the past 3 months.

$134 CHEAP FLIGHTS from Buffalo to Ontario (BUF - ONT)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$337

Typical prices: $374-$646

Frontier

Mon 10/22Sat 10/27

BUF - ONT • 2 stops

Cheapest one-way

$134

Typical prices: $208-$421

Frontier

Sun 11/4

BUF - ONT • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Buffalo and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

October

Cheapest • 42% price drop

September

Most popular

Good to know

Top layover airports

Chicago Midway (MDW)

Cheapest • Avg $373 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 37m (one-way)

Insights

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We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Buffalo to Ontario

Thu, Oct 22 - Tue, Oct 27

12:53 pm - 11:50 pmBUF Buffalo-ONT Ontario

13h 57m2 stops Orlando Denver Intl

11:52 am - 1:15 pmONT Ontario-BUF Buffalo

22h 23m2 stops Denver Intl Atlanta Hartsfield-Jackson

$337Frontier

Fri, Oct 23 - Tue, Oct 27

1:44 pm - 10:29 amBUF Buffalo-ONT Ontario

23h 45m2 stops Atlanta Hartsfield-Jackson Denver Intl

6:25 am - 1:15 pmONT Ontario-BUF Buffalo

27h 50m2 stops Denver Intl Atlanta Hartsfield-Jackson

$351Frontier

Tue, Oct 20 - Tue, Oct 27

6:51 pm - 11:50 pmBUF Buffalo-ONT Ontario

31h 59m2 stops Orlando Denver Intl

11:52 am - 1:15 pmONT Ontario-BUF Buffalo

22h 23m2 stops Denver Intl Atlanta Hartsfield-Jackson

$363Frontier

Sat, Nov 14 - Sat, Dec 5

7:14 am - 6:10 pmBUF Buffalo-ONT Ontario

13h 56m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

10:30 pm - 10:40 amONT Ontario-BUF Buffalo

9h 10m1 stop Charlotte Douglas

$368American Airlines

Wed, Oct 21 - Tue, Oct 27

1:44 pm - 11:50 pmBUF Buffalo-ONT Ontario

13h 06m2 stops Atlanta Hartsfield-Jackson Denver Intl

5:07 pm - 1:15 pmONT Ontario-BUF Buffalo

17h 08m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

$369Frontier

Tue, Nov 17 - Sat, Dec 5

7:14 am - 6:10 pmBUF Buffalo-ONT Ontario

13h 56m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

10:30 pm - 10:40 amONT Ontario-BUF Buffalo

9h 10m1 stop Charlotte Douglas

$370American Airlines

Tue, Nov 17 - Sat, Dec 5

7:14 am - 11:52 amBUF Buffalo-ONT Ontario

7h 38m1 stop Dallas/Fort Worth

10:30 am - 10:53 pmONT Ontario-BUF Buffalo

9h 23m1 stop Dallas/Fort Worth

$375American Airlines

Sat, Nov 14 - Sat, Dec 5

7:14 am - 11:52 amBUF Buffalo-ONT Ontario

7h 38m1 stop Dallas/Fort Worth

10:30 pm - 10:40 amONT Ontario-BUF Buffalo

9h 10m1 stop Charlotte Douglas

$375American Airlines

Sat, Oct 24 - Tue, Nov 3

5:45 pm - 10:51 pmBUF Buffalo-ONT Ontario

8h 06m1 stop Chicago O'Hare Intl

7:00 am - 5:02 pmONT Ontario-BUF Buffalo

7h 02m1 stop Chicago O'Hare Intl

$502United Airlines

Tue, Feb 9 - Tue, Feb 16

8:24 am - 12:33 pmBUF Buffalo-ONT Ontario

7h 09m1 stop Denver Intl

1:00 pm - 10:45 pmONT Ontario-BUF Buffalo

6h 45m1 stop Denver Intl

$507United Airlines

Recent last minute flight deals from Buffalo to Ontario

Mon, Sep 28 - Mon, Oct 5

5:45 pm - 10:49 pmBUF Buffalo-ONT Ontario

8h 04m1 stop Chicago O'Hare Intl

6:32 pm - 9:29 amONT Ontario-BUF Buffalo

11h 57m2 stops San Francisco Chicago O'Hare Intl

$897United Airlines

Mon, Sep 28 - Mon, Oct 5

1:40 pm - 11:47 pmBUF Buffalo-ONT Ontario

13h 07m2 stops Atlanta Hartsfield-Jackson Denver Intl

8:24 pm - 5:49 pmONT Ontario-BUF Buffalo

18h 25m2 stops Las Vegas Harry Reid Intl Orlando

$924Frontier

Mon, Sep 28 - Wed, Sep 30

1:40 pm - 10:30 amBUF Buffalo-ONT Ontario

23h 50m2 stops Atlanta Hartsfield-Jackson Denver Intl

2:30 pm - 5:45 pmONT Ontario-BUF Buffalo

24h 15m2 stops Las Vegas Harry Reid Intl Orlando

$929Frontier

Wed, Sep 30 - Fri, Oct 2

1:40 pm - 11:47 pmBUF Buffalo-ONT Ontario

13h 07m2 stops Atlanta Hartsfield-Jackson Denver Intl

6:45 pm - 12:50 pmONT Ontario-BUF Buffalo

15h 05m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson

$992Frontier

Fri, Sep 25 - Mon, Sep 28

1:40 pm - 10:30 amBUF Buffalo-ONT Ontario

23h 50m2 stops Atlanta Hartsfield-Jackson Denver Intl

7:46 pm - 5:49 pmONT Ontario-BUF Buffalo

19h 03m2 stops Dallas/Fort Worth Orlando

$1,012Frontier

Sat, Sep 26 - Sun, Oct 4

1:45 pm - 11:47 pmBUF Buffalo-ONT Ontario

13h 02m2 stops Atlanta Hartsfield-Jackson Denver Intl

11:45 am - 12:55 pmONT Ontario-BUF Buffalo

22h 10m2 stops Denver Intl Atlanta Hartsfield-Jackson

$1,032Frontier

Sun, Sep 27 - Tue, Sep 29

12:49 pm - 11:47 pmBUF Buffalo-ONT Ontario

13h 58m2 stops Orlando Denver Intl

6:15 am - 12:55 pmONT Ontario-BUF Buffalo

27h 40m2 stops Denver Intl Atlanta Hartsfield-Jackson

$1,067Frontier

Fri, Sep 25 - Mon, Sep 28

8:45 am - 12:46 pmBUF Buffalo-ONT Ontario

7h 01m1 stop Denver Intl

7:00 am - 4:43 pmONT Ontario-BUF Buffalo

6h 43m1 stop Chicago O'Hare Intl

$1,097United Airlines

Fri, Sep 25 - Mon, Sep 28

11:45 am - 4:10 pmBUF Buffalo-ONT Ontario

7h 25m1 stop Chicago Midway

11:55 pm - 12:30 pmONT Ontario-BUF Buffalo

9h 35m2 stops Chicago Midway Baltimore/Washington

$1,102Southwest

Fri, Sep 25 - Mon, Sep 28

8:41 am - 4:16 pmBUF Buffalo-ONT Ontario

10h 35m1 stop Chicago Midway

12:01 am - 11:26 amONT Ontario-BUF Buffalo

8h 25m1 stop Chicago Midway

$1,169JetBlue

Booking Insights

Price, demand and travel trends for Buffalo to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Buffalo to Ontario?

Round-trip flights from Buffalo to Ontario typically range from $374 to $646. The lowest price found in the past 5 days was $337, on Frontier.

What's the cheapest day of the week to fly from Buffalo to Ontario?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Buffalo to Ontario. It’s 42% cheaper than the average day, while Monday is the most expensive, with prices 54% higher.

Find deals

Low season	February
High season	September
Cheapest flight	$134

Beat the crowds with an average 52% drop in travelers.

One-way flight from Buffalo to Ontario

When to book flights from Buffalo to Ontario

Are your dates flexible? Find out the best times to travel from Buffalo to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Buffalo to Ontario?
Two cabin classes are available on flights from Buffalo to Ontario:

• Economy Class
• First Class
How long is a flight from Buffalo to Ontario?
A nonstop flight from Buffalo to Ontario takes 00m, covering 2,167 miles.
Do I need a passport to fly from Buffalo to Ontario?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Buffalo to Ontario flight?
Round-trip flights from Buffalo to Ontario range from $374 to $646, with an average of $526 over the past 12 months. Anything below $374 counts as a good deal.
Have flight prices from Buffalo to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $337 to $2,799. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Buffalo to Ontario looking right now?
One-way fares from Buffalo to Ontario are currently lower than usual. Average one-way flight prices are about $196, which is 18% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Buffalo to Ontario?
Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).
Which airports do connecting flights from Buffalo to Ontario pass through?
One-stop flights from Buffalo to Ontario most commonly connect through:

• Dallas/Fort Worth (DFW) - 46% of one-stop connections
• Denver Intl (DEN) - 19% of one-stop connections
• Baltimore/Washington (BWI) - 15% of one-stop connections
• Chicago Midway (MDW) - 12% of one-stop connections
Can I save money by using flexible dates for flights from Buffalo to Ontario?
Yes. Flexible dates can save you up to 63% on flights from Buffalo to Ontario. Saturday is the cheapest departure day at $306 round-trip on average, while Monday is the most expensive at $815, a difference of $509.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Buffalo to Ontario?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 37m, compared with 7h 53m via Chicago Midway (MDW) and 8h 10m via Baltimore/Washington (BWI).
What is the time difference between Buffalo and Ontario?
Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $306, about $509 less than Monday fares (62% savings) based on the last 12 months.
If you can choose when to travel, plan your Buffalo to Ontario trip for October. Fares historically average $306 round-trip in that month - typically $381 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport
• Ontario Airport Inn

More options for your flight from Buffalo to Ontario

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Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario

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Vacations in Ontario

BUF - ONT

$134 Find Cheap Flights from Buffalo to Ontario - Compare and Save

Everything you should know

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Recent round-trip flight deals from Buffalo to Ontario

Recent one-way flight deals from Buffalo to Ontario

Recent last minute flight deals from Buffalo to Ontario

Price, demand and travel trends for Buffalo to Ontario flights

How much is a round-trip flight from Buffalo to Ontario?

What's the cheapest day of the week to fly from Buffalo to Ontario?

Which airline is the cheapest to fly from Buffalo to Ontario?

What’s the most popular layover airport when flying from Buffalo to Ontario?

What is the cheapest layover airport when flying from Buffalo to Ontario?

When flying from Buffalo to Ontario which airport offers the shortest layover?

Key details for Buffalo to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Buffalo to Ontario

Your Buffalo to Ontario flight questions, answered

Your guide to booking Buffalo to Ontario flights

More options for your flight from Buffalo to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Buffalo to Ontario

Find direct flights to and from Buffalo and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight