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) - 42% of one-stop connections • Denver Intl (DEN) - 18% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections • Charlotte Douglas (CLT) - 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 43% on flights from Buffalo to Ontario. Thursday is the cheapest departure day at $478 round-trip on average, while Monday is the most expensive at $832, a difference of $354. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 $377 to $2,320. That means the highest observed fare was about 6x 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 $251, which is 17% 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 6h 47m, compared with 7h 31m via Baltimore/Washington (BWI) and 7h 53m via Chicago Midway (MDW).

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 averaging $60 for economy cars. Top options include: • Fox • Europcar • Thrifty • Alamo • Dollar

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

Round-trip flights from Buffalo to Ontario range from $416 to $664, with an average of $502 over the past 12 months. Anything below $416 counts as a good deal.

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

Round-trip flights from Buffalo to Ontario typically range from $416 to $664. The lowest price found in the past 5 days was $377, on Delta.

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, Thursday is the cheapest day of the week to fly from Buffalo to Ontario. It’s 5% cheaper than the average day, while Monday is the most expensive, with prices 65% higher.

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

Delta ($377) and American Airlines ($399) 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. 42% 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 3h 46m over the past 3 months.

$160 CHEAP FLIGHTS from Buffalo to Ontario (BUF - ONT)

Save 25% 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

$377

Typical prices: $416-$664

Delta

Mon 11/26Wed 12/12

BUF - ONT • 1 stop

Cheapest one-way

$160

Typical prices: $219-$558

Frontier

Sun 12/9

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

January

Cheapest • 19% price drop

December

Most popular

Good to know

Top layover airports

Chicago Midway (MDW)

Cheapest • Avg $373 (round-trip)

Denver Intl (DEN)

Shortest trip • 6h 47m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

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, Nov 26 - Sat, Dec 12

6:00 am - 11:03 amBUF Buffalo-ONT Ontario

8h 03m1 stop Atlanta Hartsfield-Jackson

12:20 pm - 12:04 amONT Ontario-BUF Buffalo

8h 44m1 stop Atlanta Hartsfield-Jackson

$377Delta

Sat, Dec 5 - Sat, Dec 12

7:00 am - 12:12 pmBUF Buffalo-ONT Ontario

8h 12m1 stop Dallas/Fort Worth

1:02 pm - 10:52 pmONT Ontario-BUF Buffalo

6h 50m1 stop Dallas/Fort Worth

$399American Airlines

Sat, Dec 5 - Sat, Dec 12

1:10 pm - 9:00 pmBUF Buffalo-ONT Ontario

10h 50m2 stops Baltimore/Washington Denver Intl

1:25 pm - 10:25 pmONT Ontario-BUF Buffalo

6h 00m1 stop Denver Intl

$404Southwest

Sat, Dec 5 - Sat, Dec 12

1:10 pm - 9:00 pmBUF Buffalo-ONT Ontario

10h 50m2 stops Baltimore/Washington Denver Intl

9:30 am - 10:25 pmONT Ontario-BUF Buffalo

9h 55m2 stops Phoenix Sky Harbor Intl Denver Intl

$424Southwest

Thu, Dec 17 - Tue, Dec 29

8:15 am - 12:42 pmBUF Buffalo-ONT Ontario

7h 27m1 stop Denver Intl

11:52 pm - 9:43 amONT Ontario-BUF Buffalo

6h 51m1 stop Chicago O'Hare Intl

$507United Airlines

Wed, Dec 9 - Fri, Dec 11

8:17 am - 12:34 pmBUF Buffalo-ONT Ontario

7h 17m1 stop Denver Intl

1:40 pm - 10:57 pmONT Ontario-BUF Buffalo

6h 17m1 stop Denver Intl

$507United Airlines

Thu, Dec 17 - Thu, Dec 31

8:15 am - 12:42 pmBUF Buffalo-ONT Ontario

7h 27m1 stop Denver Intl

11:52 pm - 9:43 amONT Ontario-BUF Buffalo

6h 51m1 stop Chicago O'Hare Intl

$507United Airlines

Mon, Dec 14 - Thu, Dec 24

2:30 pm - 10:45 amBUF Buffalo-ONT Ontario

23h 15m2 stops Orlando Denver Intl

7:10 pm - 5:48 pmONT Ontario-BUF Buffalo

19h 38m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson

$531Frontier

Fri, Dec 25 - Wed, Dec 30

7:03 am - 1:31 pmBUF Buffalo-ONT Ontario

9h 28m1 stop Dallas/Fort Worth

7:36 pm - 10:17 amONT Ontario-BUF Buffalo

11h 41m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$555American Airlines

Thu, Dec 17 - Thu, Dec 31

7:08 am - 11:59 amBUF Buffalo-ONT Ontario

7h 51m1 stop Dallas/Fort Worth

11:59 pm - 10:40 amONT Ontario-BUF Buffalo

7h 41m1 stop Charlotte Douglas

$559American Airlines

Recent last minute flight deals from Buffalo to Ontario

Fri, Nov 13 - Sun, Nov 15

1:48 pm - 9:05 amBUF Buffalo-ONT Ontario

22h 17m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

11:52 am - 1:03 pmONT Ontario-BUF Buffalo

22h 11m2 stops Denver Intl Atlanta Hartsfield-Jackson

$751Frontier

Sat, Nov 14 - Wed, Nov 18

7:57 am - 6:10 pmBUF Buffalo-ONT Ontario

13h 13m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

6:30 am - 9:37 pmONT Ontario-BUF Buffalo

12h 07m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$844American Airlines

Fri, Nov 13 - Sun, Nov 15

1:48 pm - 10:42 amBUF Buffalo-ONT Ontario

23h 54m2 stops Atlanta Hartsfield-Jackson Denver Intl

11:52 am - 1:03 pmONT Ontario-BUF Buffalo

22h 11m2 stops Denver Intl Atlanta Hartsfield-Jackson

$876Frontier

Sat, Nov 14 - Wed, Nov 18

7:03 am - 10:12 pmBUF Buffalo-ONT Ontario

18h 09m1 stop Charlotte Douglas

6:30 am - 9:40 pmONT Ontario-BUF Buffalo

12h 10m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$901American Airlines

Wed, Nov 11 - Wed, Nov 18

2:00 pm - 11:51 pmBUF Buffalo-ONT Ontario

12h 51m2 stops Atlanta Hartsfield-Jackson Denver Intl

5:33 pm - 5:52 pmONT Ontario-BUF Buffalo

21h 19m2 stops Dallas/Fort Worth Orlando

$976Frontier

Sat, Nov 14 - Wed, Nov 18

12:58 pm - 10:12 pmBUF Buffalo-ONT Ontario

12h 14m1 stop Charlotte Douglas

10:30 pm - 6:59 pmONT Ontario-BUF Buffalo

17h 29m1 stop Charlotte Douglas

$998American Airlines

Thu, Nov 12 - Tue, Nov 17

8:50 am - 12:33 pmBUF Buffalo-ONT Ontario

6h 43m1 stop Denver Intl

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

7h 02m1 stop Chicago O'Hare Intl

$1,042United Airlines

Thu, Nov 12 - Tue, Nov 17

8:50 am - 12:33 pmBUF Buffalo-ONT Ontario

6h 43m1 stop Denver Intl

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

7h 02m1 stop Chicago O'Hare Intl

$1,052United Airlines

Thu, Nov 12 - Sun, Nov 15

8:50 am - 12:33 pmBUF Buffalo-ONT Ontario

6h 43m1 stop Denver Intl

1:29 pm - 10:33 pmONT Ontario-BUF Buffalo

6h 04m1 stop Denver Intl

$1,057United Airlines

Fri, Nov 13 - Sun, Nov 15

1:48 pm - 11:51 pmBUF Buffalo-ONT Ontario

13h 03m2 stops Atlanta Hartsfield-Jackson Denver Intl

11:52 am - 1:03 pmONT Ontario-BUF Buffalo

22h 11m2 stops Denver Intl Atlanta Hartsfield-Jackson

$1,060Frontier

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? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Buffalo to Ontario departing in november.
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, Thursday is the cheapest day of the week to fly from Buffalo to Ontario. It’s 5% cheaper than the average day, while Monday is the most expensive, with prices 65% higher.

Find deals

Low season	June
High season	December
Cheapest flight	$160

Beat the crowds with an average 53% drop in travelers.

The most popular month to fly with an average 33% increase 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 $416 to $664, with an average of $502 over the past 12 months. Anything below $416 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 $377 to $2,320. That means the highest observed fare was about 6x 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 $251, which is 17% 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 averaging $60 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Alamo
• Dollar
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) - 42% of one-stop connections
• Denver Intl (DEN) - 18% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
• Charlotte Douglas (CLT) - 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 43% on flights from Buffalo to Ontario. Thursday is the cheapest departure day at $478 round-trip on average, while Monday is the most expensive at $832, a difference of $354.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
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 6h 47m, compared with 7h 31m via Baltimore/Washington (BWI) and 7h 53m via Chicago Midway (MDW).
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 Thursday departure and avoid flying on Monday. On this route, Thursday flights average $478, about $354 less than Monday fares (43% savings) based on the last 12 months.
If you can choose when to travel, plan your Buffalo to Ontario trip for January. Fares historically average $408 round-trip in that month - typically $279 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.

• Ontario Airport Inn
• Azure Hotel & Suites, Trademark Collection by Wyndham
• Holiday Inn Ontario Airport By IHG

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

Hotels in Ontario

Vacations in Ontario

BUF - ONT

$160 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