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Cheap flights from Buffalo to Los Angeles from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Los Angeles departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Buffalo to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:09 pm - 6:01 pm
BUF
-
ONT
8h 52m
1 stop
Delta Logo
12:00 pm - 11:58 pm
ONT
-
BUF
8h 58m
1 stop
$367Delta
Tue, Aug 18 - Wed, Aug 26
Delta Logo
6:16 am - 6:01 pm
BUF
-
ONT
14h 45m
2 stops
Delta Logo
12:00 pm - 11:58 pm
ONT
-
BUF
8h 58m
1 stop
$372Delta
Tue, Aug 18 - Wed, Aug 26
American Airlines Logo
3:55 pm - 11:46 pm
BUF
-
ONT
10h 51m
2 stops
American Airlines Logo
7:30 am - 9:34 pm
ONT
-
BUF
11h 04m
2 stops
$377American Airlines
Wed, Apr 22 - Sat, Apr 25
Delta Logo
5:12 pm - 9:44 pm
BUF
-
ONT
7h 32m
1 stop
Delta Logo
12:00 pm - 11:58 pm
ONT
-
BUF
8h 58m
1 stop
$402Delta
Wed, Aug 5 - Tue, Aug 11
Delta Logo
6:16 am - 6:01 pm
BUF
-
ONT
14h 45m
2 stops
Delta Logo
10:59 pm - 11:15 am
ONT
-
BUF
9h 16m
1 stop
$420Delta
Thu, Aug 20 - Tue, Aug 25
Southwest Logo
11:00 am - 4:20 pm
BUF
-
ONT
8h 20m
1 stop
Southwest Logo
9:55 pm - 7:50 am
ONT
-
BUF
6h 55m
1 stop
$422Southwest
Wed, May 13 - Sun, May 17
Delta Logo
7:00 am - 6:01 pm
BUF
-
ONT
14h 01m
2 stops
Delta Logo
10:59 pm - 11:15 am
ONT
-
BUF
9h 16m
1 stop
$427Delta
Tue, Aug 18 - Mon, Aug 24
Southwest Logo
11:00 am - 4:20 pm
BUF
-
ONT
8h 20m
1 stop
Southwest Logo
3:50 pm - 10:45 am
ONT
-
BUF
15h 55m
2 stops
$433Southwest
Wed, May 13 - Sun, May 17
JetBlue Logo
3:50 pm - 10:38 pm
BUF
-
ONT
9h 48m
1 stop
JetBlue Logo
11:50 pm - 12:05 am
ONT
-
BUF
21h 15m
1 stop
$443JetBlue
Wed, Jul 1 - Wed, Jul 8
Delta Logo
6:05 am - 6:23 pm
BUF
-
ONT
15h 18m
2 stops
Delta Logo
7:00 am - 6:43 pm
ONT
-
BUF
8h 43m
1 stop
$446Delta
Thu, Aug 6 - Wed, Aug 12

United Airlines flights from Buffalo to Ontario

Our best United Airlines deals on Buffalo to Ontario flight tickets
United Airlines
May 5
BUF5:50 pmBuffalo
7h 45m
1 stop
ONT10:35 pmOntario
May 6
ONT7:00 amOntario
6h 54m
1 stop
BUF4:54 pmBuffalo
$472
United Airlines
Apr 25
BUF8:30 amBuffalo
7h 08m
1 stop
ONT12:38 pmOntario
Apr 29
ONT7:00 amOntario
7h 16m
1 stop
BUF5:16 pmBuffalo
$477
United Airlines
May 5
BUF7:00 amBuffalo
13h 52m
2 stops
ONT5:52 pmOntario
May 6
ONT7:00 amOntario
6h 54m
1 stop
BUF4:54 pmBuffalo
$478

American Airlines flights from Buffalo to Ontario

Our best American Airlines deals on Buffalo to Ontario flight tickets
American Airlines
Apr 22
BUF3:55 pmBuffalo
10h 51m
2 stops
ONT11:46 pmOntario
Apr 25
ONT7:30 amOntario
11h 04m
2 stops
BUF9:34 pmBuffalo
$377
American Airlines
May 13
BUF5:00 amBuffalo
9h 34m
2 stops
ONT11:34 amOntario
May 17
ONT7:35 pmOntario
12h 16m
2 stops
BUF10:51 amBuffalo
$452
American Airlines
Jul 1
BUF4:46 pmBuffalo
10h 13m
1 stop
ONT11:59 pmOntario
Jul 8
ONT12:39 pmOntario
7h 12m
1 stop
BUF10:51 pmBuffalo
$469

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 6, 2026.
Use the filters below to find and compare flights from Buffalo to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 8/18

12:09 pm-6:01 pm

1 stop8h 52m

Ontario

Wed 8/26

12:00 pm-11:58 pm

1 stop8h 58m

$367

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 8/18

6:16 am-6:01 pm

2 stops14h 45m

Ontario

Wed 8/26

12:00 pm-11:58 pm

1 stop8h 58m

$372

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 4/22

3:55 pm-11:46 pm

2 stops10h 51m

Ontario

Sat 4/25

7:30 am-9:34 pm

2 stops11h 04m

$377

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 8/5

5:12 pm-9:44 pm

1 stop7h 32m

Ontario

Tue 8/11

12:00 pm-11:58 pm

1 stop8h 58m

$402

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 8/20

6:16 am-6:01 pm

2 stops14h 45m

Ontario

Tue 8/25

10:59 pm-11:15 am

1 stop9h 16m

$420
Quickest round-trip

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 5/13

11:00 am-4:20 pm

1 stop8h 20m

Ontario

Sun 5/17

9:55 pm-7:50 am

1 stop6h 55m

$422

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Tue 8/18

7:00 am-6:01 pm

2 stops14h 01m

Ontario

Mon 8/24

10:59 pm-11:15 am

1 stop9h 16m

$427

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 5/13

11:00 am-4:20 pm

1 stop8h 20m

Ontario

Sun 5/17

3:50 pm-10:45 am

2 stops15h 55m

$433

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Wed 7/1

3:50 pm-10:38 pm

1 stop9h 48m

Ontario

Wed 7/8

11:50 pm-12:05 am

1 stop21h 15m

$443

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

Thu 8/6

6:05 am-6:23 pm

2 stops15h 18m

Ontario

Wed 8/12

7:00 am-6:43 pm

1 stop8h 43m

$446

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 typical price of a round-trip flight between Buffalo and Ontario?

What is the cheapest month to fly to Ontario?

In general, October 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 $306. If you aren’t able to travel during the month of October, then book flights to Ontario from Buffalo during February instead. Flights to Ontario in February, while not as cheap as those in October, still average around $395.

How have Buffalo to Ontario flight prices changed over time?

As of April 2026, prices for Buffalo to Ontario flights are approximately 78% 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

Fastest flight time

7h 07m

Direct flights

None
The fastest flight from Buffalo to Ontario takes 7h 07m
There are no direct flights from Buffalo to Ontario. There are no popular flight routes from Buffalo to Ontario.
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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. 7h 07m 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
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,550 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,338 reviews
Search Southwest 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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