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Cheap flights from Buffalo to Los Angeles from $135

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 6/2. 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.
American Airlines Logo
11:15 am - 10:07 pm
BUF
-
ONT
13h 52m
2 stops
American Airlines Logo
7:59 pm - 10:58 am
ONT
-
BUF
11h 59m
2 stops
$325American Airlines
di, mrt. 10 - di, mrt. 24
Southwest Logo
4:40 pm - 9:40 pm
BUF
-
ONT
8h 00m
1 stop
Southwest Logo
11:55 pm - 10:10 am
ONT
-
BUF
7h 15m
1 stop
$327Southwest
di, mrt. 10 - di, mrt. 24
Southwest Logo
6:50 am - 1:45 pm
BUF
-
ONT
9h 55m
2 stops
Southwest Logo
11:55 pm - 10:10 am
ONT
-
BUF
7h 15m
1 stop
$332Southwest
di, mrt. 10 - di, mrt. 24
American Airlines Logo
1:32 pm - 10:07 pm
BUF
-
ONT
11h 35m
2 stops
American Airlines Logo
11:58 pm - 3:25 pm
ONT
-
BUF
12h 27m
2 stops
$339American Airlines
di, mrt. 17 - di, mrt. 24
JetBlue Logo
4:00 pm - 10:09 pm
BUF
-
ONT
9h 09m
1 stop
JetBlue Logo
11:25 pm - 11:29 am
ONT
-
BUF
9h 04m
1 stop
$342JetBlue
za, mei. 23 - vr, mei. 29
JetBlue Logo
4:00 pm - 10:09 pm
BUF
-
ONT
9h 09m
1 stop
JetBlue Logo
11:25 pm - 11:29 am
ONT
-
BUF
9h 04m
1 stop
$376JetBlue
wo, mei. 27 - di, jun. 2
Delta Logo
6:20 am - 10:57 am
BUF
-
ONT
7h 37m
1 stop
Delta Logo
12:10 pm - 11:59 pm
ONT
-
BUF
8h 49m
1 stop
$377Delta
wo, mei. 27 - wo, jun. 3
Delta Logo
6:04 am - 9:54 pm
BUF
-
ONT
18h 50m
2 stops
Delta Logo
12:10 pm - 11:59 pm
ONT
-
BUF
8h 49m
1 stop
$401Delta
do, mei. 28 - wo, jun. 3
Delta Logo
6:20 am - 10:57 am
BUF
-
ONT
7h 37m
1 stop
Delta Logo
12:10 pm - 9:45 am
ONT
-
BUF
18h 35m
2 stops
$405Delta
wo, mei. 27 - di, jun. 2
Delta Logo
6:20 am - 10:57 am
BUF
-
ONT
7h 37m
1 stop
Delta Logo
11:04 pm - 11:03 am
ONT
-
BUF
8h 59m
1 stop
$407Delta
wo, mei. 27 - zo, mei. 31

JetBlue flights from Buffalo to Ontario

Our best JetBlue deals on Buffalo to Ontario flight tickets
JetBlue
May 23
BUF4:00 pmBuffalo
9h 09m
1 stop
ONT10:09 pmOntario
May 29
ONT11:25 pmOntario
9h 04m
1 stop
BUF11:29 amBuffalo
$342
JetBlue
May 27
BUF4:00 pmBuffalo
9h 09m
1 stop
ONT10:09 pmOntario
Jun 2
ONT11:25 pmOntario
9h 04m
1 stop
BUF11:29 amBuffalo
$376
JetBlue
May 26
BUF4:00 pmBuffalo
9h 09m
1 stop
ONT10:09 pmOntario
Jun 1
ONT11:25 pmOntario
9h 04m
1 stop
BUF11:29 amBuffalo
$446

United Airlines flights from Buffalo to Ontario

Our best United Airlines deals on Buffalo to Ontario flight tickets
United Airlines
Mar 24
BUF8:17 amBuffalo
7h 32m
1 stop
ONT12:49 pmOntario
Mar 31
ONT1:34 pmOntario
6h 36m
1 stop
BUF11:10 pmBuffalo
$426
United Airlines
Mar 17
BUF5:29 pmBuffalo
7h 49m
1 stop
ONT10:18 pmOntario
Mar 24
ONT1:50 pmOntario
6h 20m
1 stop
BUF11:10 pmBuffalo
$427
United Airlines
Mar 10
BUF7:00 amBuffalo
13h 41m
3 stops
ONT5:41 pmOntario
Mar 24
ONT11:59 pmOntario
11h 15m
2 stops
BUF2:14 pmBuffalo
$443

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 februari 17, 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

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

di 3/10

11:15 am-10:07 pm

2 stops13h 52m

Ontario

di 3/24

7:59 pm-10:58 am

2 stops11h 59m

$325

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

di 3/10

4:40 pm-9:40 pm

1 stop8h 00m

Ontario

di 3/24

11:55 pm-10:10 am

1 stop7h 15m

$327

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

di 3/10

6:50 am-1:45 pm

2 stops9h 55m

Ontario

di 3/24

11:55 pm-10:10 am

1 stop7h 15m

$332

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

di 3/17

1:32 pm-10:07 pm

2 stops11h 35m

Ontario

di 3/24

11:58 pm-3:25 pm

2 stops12h 27m

$339

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

za 5/23

4:00 pm-10:09 pm

1 stop9h 09m

Ontario

vr 5/29

11:25 pm-11:29 am

1 stop9h 04m

$342

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

wo 5/27

4:00 pm-10:09 pm

1 stop9h 09m

Ontario

di 6/2

11:25 pm-11:29 am

1 stop9h 04m

$376

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

wo 5/27

6:20 am-10:57 am

1 stop7h 37m

Ontario

wo 6/3

12:10 pm-11:59 pm

1 stop8h 49m

$377

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

do 5/28

6:04 am-9:54 pm

2 stops18h 50m

Ontario

wo 6/3

12:10 pm-11:59 pm

1 stop8h 49m

$401

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

wo 5/27

6:20 am-10:57 am

1 stop7h 37m

Ontario

di 6/2

12:10 pm-9:45 am

2 stops18h 35m

$405

BuffaloOntario

BUF - ONT

BUFONT

Buffalo

wo 5/27

6:20 am-10:57 am

1 stop7h 37m

Ontario

zo 5/31

11:04 pm-11:03 am

1 stop8h 59m

$407

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 Los Angeles from

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, 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 February 2026, prices for Buffalo to Ontario flights are approximately 60% 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

6h 37m

Direct flights

None
The fastest flight from Buffalo to Ontario takes 6h 37m
There are no direct flights from Buffalo to Ontario. There are no popular flight routes from Buffalo to Ontario.
Search flight deals

  • How far is Buffalo to Ontario by plane?

    Ontario is 2161.5 mi away from Buffalo. 6h 37m 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
7.2
11,294 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,289 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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