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Cheap flights from Ontario to Buffalo from $165

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:30 pm - 10:41 amONT  Ontario-BUF Buffalo
9h 11m1 stop Charlotte Douglas
American Airlines Logo
7:00 am - 1:24 pmBUF  Buffalo-ONT Ontario
9h 24m1 stop Dallas/Fort Worth
$377American Airlines
Sat, Dec 12 - Wed, Dec 16
American Airlines Logo
10:37 am - 10:53 pmONT  Ontario-BUF Buffalo
9h 16m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 12:12 pmBUF  Buffalo-ONT Ontario
8h 12m1 stop Dallas/Fort Worth
$377American Airlines
Tue, Dec 1 - Sat, Dec 5
Delta Logo
12:20 pm - 12:04 amONT  Ontario-BUF Buffalo
8h 44m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:07 amBUF  Buffalo-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
$377Delta
Tue, Dec 8 - Sat, Dec 12
Delta Logo
1:07 pm - 11:59 pmONT  Ontario-BUF Buffalo
7h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:05 am - 11:55 amBUF  Buffalo-ONT Ontario
8h 50m1 stop Atlanta Hartsfield-Jackson
$377Delta
Thu, Jan 7 - Wed, Jan 13
United Airlines Logo
6:40 pm - 9:44 amONT  Ontario-BUF Buffalo
12h 04m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
8:15 am - 12:42 pmBUF  Buffalo-ONT Ontario
7h 27m1 stop Denver Intl
$382United Airlines
Mon, Dec 7 - Thu, Dec 17
United Airlines Logo
1:40 pm - 10:57 pmONT  Ontario-BUF Buffalo
6h 17m1 stop Denver Intl
United Airlines Logo
8:15 am - 12:42 pmBUF  Buffalo-ONT Ontario
7h 27m1 stop Denver Intl
$396United Airlines
Mon, Dec 7 - Thu, Dec 17
Southwest Logo
6:15 am - 3:55 pmONT  Ontario-BUF Buffalo
6h 40m1 stop Las Vegas Harry Reid Intl
Southwest Logo
2:05 pm - 6:10 pmBUF  Buffalo-ONT Ontario
7h 05m1 stop Chicago Midway
$412Southwest
Wed, Jan 6 - Mon, Jan 11
United Airlines Logo
11:52 pm - 9:43 amONT  Ontario-BUF Buffalo
6h 51m1 stop Chicago O'Hare Intl
United Airlines Logo
10:15 am - 9:00 pmBUF  Buffalo-ONT Ontario
13h 45m2 stops Chicago O'Hare Intl Denver Intl
$447United Airlines
Mon, Dec 28 - Tue, Jan 5
Southwest Logo
7:50 pm - 7:55 amONT  Ontario-BUF Buffalo
9h 05m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
Southwest Logo
11:15 am - 6:25 pmBUF  Buffalo-ONT Ontario
10h 10m2 stops Chicago Midway Denver Intl
$457Southwest
Tue, Apr 20 - Tue, Apr 27
Southwest Logo
10:05 am - 8:50 pmONT  Ontario-BUF Buffalo
7h 45m1 stop Denver Intl
Southwest Logo
5:00 pm - 11:15 pmBUF  Buffalo-ONT Ontario
9h 15m1 stop Phoenix Sky Harbor Intl
$463Southwest
Mon, Dec 14 - Sat, Dec 19

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Delta flights from Ontario to Buffalo

Our best Delta deals on Ontario to Buffalo flight tickets
Delta
Jan 8
ONT1:07 pmOntario
7h 52m
1 stop
BUF11:59 pmBuffalo
Jan 11
BUF10:35 amBuffalo
14h 09m
2 stops
ONT9:44 pmOntario
$382
Delta
Dec 10
ONT11:08 pmOntario
8h 57m
1 stop
BUF11:05 amBuffalo
Dec 14
BUF6:00 amBuffalo
8h 07m
1 stop
ONT11:07 amOntario
$408
Delta
Jan 6
ONT7:05 amOntario
13h 06m
2 stops
BUF11:11 pmBuffalo
Jan 12
BUF6:05 amBuffalo
8h 50m
1 stop
ONT11:55 amOntario
$413

United Airlines flights from Ontario to Buffalo

Our best United Airlines deals on Ontario to Buffalo flight tickets
United Airlines
Dec 7
ONT1:40 pmOntario
6h 17m
1 stop
BUF10:57 pmBuffalo
Dec 17
BUF8:15 amBuffalo
7h 27m
1 stop
ONT12:42 pmOntario
$396
United Airlines
Dec 28
ONT11:52 pmOntario
6h 51m
1 stop
BUF9:43 amBuffalo
Jan 5
BUF10:15 amBuffalo
13h 45m
2 stops
ONT9:00 pmOntario
$467
United Airlines
Dec 10
ONT7:00 amOntario
6h 57m
1 stop
BUF4:57 pmBuffalo
Dec 13
BUF8:17 amBuffalo
7h 17m
1 stop
ONT12:34 pmOntario
$542

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Sat 12/12

10:30 pm-10:41 am

1 stop9h 11m

Buffalo

Wed 12/16

7:00 am-1:24 pm

1 stop9h 24m

$377

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Tue 12/1

10:37 am-10:53 pm

1 stop9h 16m

Buffalo

Sat 12/5

7:00 am-12:12 pm

1 stop8h 12m

$377

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Tue 12/8

12:20 pm-12:04 am

1 stop8h 44m

Buffalo

Sat 12/12

6:00 am-11:07 am

1 stop8h 07m

$377

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Thu 1/7

1:07 pm-11:59 pm

1 stop7h 52m

Buffalo

Wed 1/13

6:05 am-11:55 am

1 stop8h 50m

$377

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Mon 12/7

6:40 pm-9:44 am

2 stops12h 04m

Buffalo

Thu 12/17

8:15 am-12:42 pm

1 stop7h 27m

$382
Quickest round-trip

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Mon 12/7

1:40 pm-10:57 pm

1 stop6h 17m

Buffalo

Thu 12/17

8:15 am-12:42 pm

1 stop7h 27m

$396

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Wed 1/6

6:15 am-3:55 pm

1 stop6h 40m

Buffalo

Mon 1/11

2:05 pm-6:10 pm

1 stop7h 05m

$412

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Mon 12/28

11:52 pm-9:43 am

1 stop6h 51m

Buffalo

Tue 1/5

10:15 am-9:00 pm

2 stops13h 45m

$447

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Tue 4/20

7:50 pm-7:55 am

2 stops9h 05m

Buffalo

Tue 4/27

11:15 am-6:25 pm

2 stops10h 10m

$457

OntarioBuffalo

ONT Ontario - BUF Buffalo

ONTBUF

Ontario

Mon 12/14

10:05 am-8:50 pm

1 stop7h 45m

Buffalo

Sat 12/19

5:00 pm-11:15 pm

1 stop9h 15m

$463

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buffalo from

How to get the cheapest flight ticket from Ontario to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of March, then book flights to Buffalo from Ontario during February instead. Flights to Buffalo in February, while not as cheap as those in March, still average around $0.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Monday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $371. Flights from Ontario to Buffalo on a Thursday will generally be more expensive and average around $490. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from Ontario to Buffalo when you can find flight prices for as low as $284. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buffalo, so prices are often more expensive at around $438 per ticket.

Can stopping save me money on Ontario to Buffalo flights?

You could potentially save up to 54% on your flight if you consider stops on a Ontario to Buffalo flight.

How have Ontario to Buffalo flight prices changed over time?

When to book flights from Ontario to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Buffalo (ONT to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Buffalo

Best Price Found

$165

Fastest flight time

6h 04m

Direct flights

None
The best one-way flight to Buffalo from Ontario in the past 72 hours is $165. The best round-trip flight deal from Ontario to Buffalo found on momondo in the last 72 hours is $377.
The fastest flight from Ontario to Buffalo takes 6h 04m
There are no direct flights from Ontario to Buffalo. There are no popular flight routes from Ontario to Buffalo.
Search flight deals

Frequently asked questions about flying from Ontario to Buffalo

  • How far is Ontario to Buffalo by plane?

    There are 2161.5 mi between Ontario and Buffalo. 6h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ontario Airport to Buffalo Airport?

    Prices for flights from Ontario Airport to Buffalo Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Buffalo Airport?

  • How old do you have to be to fly from Ontario Airport to Buffalo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Buffalo?

Best airlines flying from Ontario to Buffalo

Compare and see reviews for airlines that fly from Ontario to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $351Free CancellationRating
8.0
4,212 reviews
Search Southwest flights
United AirlinesPriceFrom $376Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights

  • United Airlines Flights From Ontario to Buffalo

    The lowest priced United Airlines flight from Ontario to Buffalo from the last 72 hours was $376. Generally, United Airlines has 4 flights on this route every week with an average price of $514. United Airlines is rated 7.3/10 by our users.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Williamsville
Amherst
Tonawanda
Bowmansville
Lockport
Orchard Park
West Seneca
Grand Island
East Aurora
Angola

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buffalo?

It is quick and easy to find Ontario to Buffalo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buffalo that suits you.

Can I find flights from Ontario to Buffalo with flexible booking policies on momondo?

Yes. All flights to Buffalo from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Buffalo?

momondo provides multiple filters to help you find the best flight to Buffalo from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Buffalo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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