ONT - LAX

$87 Find Cheap Flights from Ontario to Los Angeles

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Los Angeles departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Los Angeles

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Los Angeles, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Los Angeles, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$134
Multiple Airlines
Sat 1/10Sat 1/17
ONT - LAX • 1 stop
Cheapest one-way
$87
Frontier
Sat 12/13
ONT - LAX • 1 stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Los Angeles!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Los Angeles (ONT-LAX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Los Angeles that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Los Angeles

Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
3:21 pm - 8:19 amONT-LAX
16h 58m1 stop
Multiple Airlines Logo
9:12 am - 7:50 pmLAX-ONT
10h 38m1 stop
$134Multiple Airlines
Find Deal
Mon, Dec 29 - Mon, Jan 19
Multiple Airlines Logo
6:00 pm - 7:18 amONT-LAX
13h 18m1 stop
Multiple Airlines Logo
4:07 pm - 1:37 pmLAX-ONT
21h 30m1 stop
$161Multiple Airlines
Find Deal
Mon, Dec 22 - Mon, Dec 29
Multiple Airlines Logo
6:00 pm - 7:18 amONT-LAX
13h 18m1 stop
Multiple Airlines Logo
9:20 pm - 9:17 pmLAX-ONT
23h 57m1 stop
$163Multiple Airlines
Find Deal
Tue, Feb 10 - Sun, Feb 15
Multiple Airlines Logo
1:37 pm - 8:15 amONT-LAX
18h 38m1 stop
Multiple Airlines Logo
9:07 pm - 5:02 pmLAX-ONT
19h 55m1 stop
$180Multiple Airlines
Find Deal
Mon, Dec 29 - Mon, Jan 19
Multiple Airlines Logo
6:00 pm - 7:18 amONT-LAX
13h 18m1 stop
Multiple Airlines Logo
9:26 pm - 3:07 pmLAX-ONT
17h 41m2 stops
$193Multiple Airlines
Find Deal
Sun, Dec 21 - Sun, Dec 28
Multiple Airlines Logo
6:37 pm - 7:18 amONT-LAX
12h 41m1 stop
Multiple Airlines Logo
9:20 pm - 5:15 pmLAX-ONT
19h 55m1 stop
$204Multiple Airlines
Find Deal
Tue, Feb 10 - Sun, Feb 15
Frontier Logo
8:30 am - 10:54 pmONT-LAX
14h 24m2 stops
Frontier Logo
9:07 pm - 5:02 pmLAX-ONT
19h 55m1 stop
$212Frontier
Find Deal
Mon, Dec 22 - Mon, Dec 29
Multiple Airlines Logo
10:12 pm - 5:04 pmONT-LAX
18h 52m2 stops
Multiple Airlines Logo
9:20 pm - 9:17 pmLAX-ONT
23h 57m1 stop
$229Multiple Airlines
Find Deal
Fri, Dec 19 - Fri, Dec 26
Multiple Airlines Logo
6:00 am - 5:04 pmONT-LAX
11h 04m1 stop
Multiple Airlines Logo
5:59 pm - 4:31 pmLAX-ONT
22h 32m1 stop
$240Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Dec 27
Multiple Airlines Logo
5:16 pm - 7:18 amONT-LAX
14h 02m1 stop
Multiple Airlines Logo
9:20 pm - 5:42 pmLAX-ONT
20h 22m1 stop
$241Multiple Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Ontario to Los Angeles flights

Get data-powered insights and trends into flights from Ontario to Los Angeles to help you find the cheapest flights, the best time to fly and much more.

How often are flights from Ontario to Los Angeles delayed?

Weekly flights between Ontario and Los Angeles historically see delays in approximately 22% of cases, with the average delay over the past year being 59 minutes.

What is the most punctual flight time for Ontario to Los Angeles flights?

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Which airline has the best punctuality record on Ontario to Los Angeles flights?

Based on our data, AeroUnion has experienced the fewest delays on this route in the past 12 months, with no flights being classified as delayed.

Find deals

Good to know

Cheapest flight$87
Flight from Ontario to Los Angeles

When to book flights from Ontario to Los Angeles

Are your dates flexible? Find out the best times to travel from Ontario to Los Angeles 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.

FAQs for booking flights from Ontario to Los Angeles

  • What is the cheapest flight from Ontario to Los Angeles?

    In the last 3 days, the lowest price for a flight from Ontario to Los Angeles was $87 for a one-way ticket and $134 for a round-trip.

  • Do I need a passport to fly between Ontario and Los Angeles?

    No

  • Which airports will I be using when flying from Ontario to Los Angeles?

    When flying out of Ontario you will be using Ontario. You will be landing at Los Angeles, also known as Los Angeles.

  • Which aircraft models fly most regularly from Ontario to Los Angeles?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ontario to Los Angeles?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Los Angeles.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Los Angeles?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Los Angeles from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Los Angeles?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Los Angeles with an airline and back to Ontario with another airline. Booking your flights between Ontario and LAX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Los Angeles?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Los Angeles from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Los Angeles

Information on your arrival and departure airports

Ontario (ONT)
Los Angeles (LAX)