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Cheap flights from Buffalo to Los Angeles from $186

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:14 am - 6:10 pmBUF  Buffalo-ONT Ontario
13h 56m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:30 pm - 10:40 amONT  Ontario-BUF Buffalo
9h 10m1 stop Charlotte Douglas
$368American Airlines
Sat, Nov 14 - Sat, Dec 5
American Airlines Logo
7:14 am - 6:10 pmBUF  Buffalo-ONT Ontario
13h 56m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:30 pm - 10:40 amONT  Ontario-BUF Buffalo
9h 10m1 stop Charlotte Douglas
$370American Airlines
Tue, Nov 17 - Sat, Dec 5
Delta Logo
6:00 am - 11:03 amBUF  Buffalo-ONT Ontario
8h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 pm - 12:04 amONT  Ontario-BUF Buffalo
8h 44m1 stop Atlanta Hartsfield-Jackson
$375Delta
Sat, Nov 14 - Sat, Dec 5
American Airlines Logo
7:14 am - 11:52 amBUF  Buffalo-ONT Ontario
7h 38m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 am - 10:53 pmONT  Ontario-BUF Buffalo
9h 23m1 stop Dallas/Fort Worth
$375American Airlines
Tue, Nov 17 - Sat, Dec 5
American Airlines Logo
7:14 am - 11:52 amBUF  Buffalo-ONT Ontario
7h 38m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 10:40 amONT  Ontario-BUF Buffalo
9h 10m1 stop Charlotte Douglas
$375American Airlines
Sat, Nov 14 - Sat, Dec 5
American Airlines Logo
7:14 am - 1:32 pmBUF  Buffalo-ONT Ontario
9h 18m1 stop Dallas/Fort Worth
American Airlines Logo
1:02 pm - 10:52 pmONT  Ontario-BUF Buffalo
6h 50m1 stop Dallas/Fort Worth
$376American Airlines
Tue, Nov 10 - Thu, Dec 3
American Airlines Logo
7:14 am - 11:52 amBUF  Buffalo-ONT Ontario
7h 38m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 10:53 pmONT  Ontario-BUF Buffalo
7h 11m1 stop Dallas/Fort Worth
$376American Airlines
Tue, Nov 10 - Thu, Dec 3
American Airlines Logo
4:40 pm - 10:57 pmBUF  Buffalo-ONT Ontario
9h 17m1 stop Dallas/Fort Worth
American Airlines Logo
12:42 pm - 10:53 pmONT  Ontario-BUF Buffalo
7h 11m1 stop Dallas/Fort Worth
$376American Airlines
Tue, Nov 10 - Thu, Dec 3
United Airlines Logo
5:45 pm - 10:51 pmBUF  Buffalo-ONT Ontario
8h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 8:36 pmONT  Ontario-BUF Buffalo
12h 36m2 stops Denver Intl Chicago O'Hare Intl
$382United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
8:50 am - 6:01 pmBUF  Buffalo-ONT Ontario
12h 11m2 stops Denver Intl San Francisco
United Airlines Logo
1:40 pm - 10:57 pmONT  Ontario-BUF Buffalo
6h 17m1 stop Denver Intl
$382United Airlines
Wed, Nov 18 - Wed, Dec 2

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Frontier flights from Buffalo to Ontario

Our best Frontier deals on Buffalo to Ontario flight tickets
Frontier
Oct 23
BUF1:44 pmBuffalo
23h 45m
2 stops
ONT10:29 amOntario
Oct 27
ONT6:25 amOntario
27h 50m
2 stops
BUF1:15 pmBuffalo
$351
Frontier
Nov 11
BUF2:00 pmBuffalo
12h 51m
2 stops
ONT11:51 pmOntario
Dec 3
ONT2:47 pmOntario
18h 32m
2 stops
BUF12:19 pmBuffalo
$388
Frontier
Oct 21
BUF1:44 pmBuffalo
13h 06m
2 stops
ONT11:50 pmOntario
Oct 27
ONT6:25 amOntario
27h 50m
2 stops
BUF1:15 pmBuffalo
$411

United Airlines flights from Buffalo to Ontario

Our best United Airlines deals on Buffalo to Ontario flight tickets
United Airlines
Oct 17
BUF5:45 pmBuffalo
8h 04m
1 stop
ONT10:49 pmOntario
Oct 24
ONT1:22 pmOntario
6h 21m
1 stop
BUF10:43 pmBuffalo
$507
United Airlines
Nov 10
BUF6:30 amBuffalo
14h 31m
2 stops
ONT6:01 pmOntario
Dec 3
ONT1:40 pmOntario
6h 17m
1 stop
BUF10:57 pmBuffalo
$512
United Airlines
Nov 14
BUF10:30 amBuffalo
13h 21m
2 stops
ONT8:51 pmOntario
Dec 5
ONT6:00 amOntario
11h 46m
2 stops
BUF8:46 pmBuffalo
$515

momondo Fare Finder

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

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Price

Cheapest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 11/14

7:14 am-6:10 pm

2 stops13h 56m

Ontario

Sat 12/5

10:30 pm-10:40 am

1 stop9h 10m

$368

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 11/17

7:14 am-6:10 pm

2 stops13h 56m

Ontario

Sat 12/5

10:30 pm-10:40 am

1 stop9h 10m

$370

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 11/14

6:00 am-11:03 am

1 stop8h 03m

Ontario

Sat 12/5

12:20 pm-12:04 am

1 stop8h 44m

$375

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 11/17

7:14 am-11:52 am

1 stop7h 38m

Ontario

Sat 12/5

10:30 am-10:53 pm

1 stop9h 23m

$375

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 11/14

7:14 am-11:52 am

1 stop7h 38m

Ontario

Sat 12/5

10:30 pm-10:40 am

1 stop9h 10m

$375

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 11/10

7:14 am-1:32 pm

1 stop9h 18m

Ontario

Thu 12/3

1:02 pm-10:52 pm

1 stop6h 50m

$376
Quickest round-trip

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 11/10

7:14 am-11:52 am

1 stop7h 38m

Ontario

Thu 12/3

12:42 pm-10:53 pm

1 stop7h 11m

$376

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Tue 11/10

4:40 pm-10:57 pm

1 stop9h 17m

Ontario

Thu 12/3

12:42 pm-10:53 pm

1 stop7h 11m

$376

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Sat 10/24

5:45 pm-10:51 pm

1 stop8h 06m

Ontario

Wed 10/28

5:00 am-8:36 pm

2 stops12h 36m

$382

BuffaloOntario

BUF Buffalo - ONT Ontario

BUFONT

Buffalo

Wed 11/18

8:50 am-6:01 pm

2 stops12h 11m

Ontario

Wed 12/2

1:40 pm-10:57 pm

1 stop6h 17m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Buffalo to Ontario

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 Ontario?

In general, June is the cheapest month to fly from Buffalo to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of June, then book flights to Ontario from Buffalo during January instead. Flights to Ontario in January, while not as cheap as those in June, still average around $408.

How have Buffalo to Ontario flight prices changed over time?

As of September 2026, prices for Buffalo to Ontario flights are approximately 62% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Ontario

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

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

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

Best Price Found

$186

Fastest flight time

6h 40m

Direct flights

None
The best one-way flight to Ontario from Buffalo in the past 72 hours is $186. The best round-trip flight deal from Buffalo to Ontario found on momondo in the last 72 hours is $368.
The fastest flight from Buffalo to Ontario takes 6h 40m
There are no direct flights from Buffalo to Ontario. There are no popular flight routes from Buffalo to Ontario.
Search flight deals

Frequently asked questions about flying from Buffalo to Ontario

  • How far is Buffalo to Ontario by plane?

    Ontario is 2161.5 mi away from Buffalo. 6h 40m is a normal flight duration for this route.

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

    Prices for flights from Buffalo Airport to Ontario Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Buffalo to Ontario

Compare and see reviews for airlines that fly from Buffalo to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $374Free CancellationRating
7.4
10,242 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to Ontario for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Buffalo.

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

Yes. momondo can track prices for Buffalo to Ontario 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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