LAX - ONT

$65 Find Cheap Flights from Los Angeles to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Los Angeles to Ontario departing on 2/1. 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 Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Ontario, 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 Los Angeles to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$127
Multiple Airlines
Fri 1/9Mon 1/12
LAX - ONT • 1 stop
Cheapest one-way
$65
Frontier
Sun 2/1
LAX - ONT • 1 stop
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We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Los Angeles to Ontario 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 Los Angeles to Ontario

Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
9:12 am - 2:54 pmLAX-ONT
5h 42m1 stop
Multiple Airlines Logo
2:34 pm - 7:21 pmONT-LAX
4h 47m1 stop
$127Multiple Airlines
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Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
4:07 pm - 7:37 amLAX-ONT
15h 30m1 stop
Multiple Airlines Logo
7:35 pm - 9:52 amONT-LAX
14h 17m1 stop
$129Multiple Airlines
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Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
3:30 pm - 9:17 pmLAX-ONT
5h 47m1 stop
Multiple Airlines Logo
2:59 pm - 9:30 amONT-LAX
18h 31m1 stop
$135Multiple Airlines
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Thu, Dec 18 - Thu, Dec 25
Frontier Logo
9:58 pm - 5:09 pmLAX-ONT
19h 11m1 stop
Frontier Logo
6:07 pm - 12:16 pmONT-LAX
18h 09m1 stop
$138Frontier
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Wed, Dec 17 - Wed, Dec 24
Frontier Logo
3:30 pm - 9:17 pmLAX-ONT
5h 47m1 stop
Frontier Logo
6:00 am - 12:16 pmONT-LAX
6h 16m1 stop
$140Frontier
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Wed, Dec 17 - Wed, Dec 24
Frontier Logo
3:30 pm - 9:17 pmLAX-ONT
5h 47m1 stop
Frontier Logo
6:00 pm - 12:04 pmONT-LAX
18h 04m2 stops
$155Frontier
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Thu, Dec 11 - Sun, Dec 14
Frontier Logo
3:30 pm - 9:17 pmLAX-ONT
5h 47m1 stop
Frontier Logo
2:59 pm - 10:28 amONT-LAX
19h 29m2 stops
$160Frontier
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Fri, Jan 9 - Mon, Jan 12
Frontier Logo
4:33 pm - 2:26 pmLAX-ONT
21h 53m2 stops
Frontier Logo
2:34 pm - 7:21 pmONT-LAX
4h 47m1 stop
$162Frontier
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Tue, Dec 2 - Wed, Dec 3
Multiple Airlines Logo
3:30 pm - 9:17 pmLAX-ONT
5h 47m1 stop
Multiple Airlines Logo
6:15 am - 8:59 pmONT-LAX
14h 44m1 stop
$180Multiple Airlines
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Sun, Feb 15 - Sun, Feb 22
Frontier Logo
6:20 am - 11:59 pmLAX-ONT
17h 39m1 stop
Frontier Logo
6:00 am - 8:40 amONT-LAX
26h 40m1 stop
$192Frontier
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Booking Insights

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

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

How often are flights from Los Angeles to Ontario delayed?

Weekly flights between Los Angeles and Ontario historically see delays in approximately 24% of cases, with the average delay over the past year being 84 minutes.

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

Typically, flights leaving at night tend to face fewer delays, whereas flights in the morning 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 Friday has typically experienced more delays than other days.

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

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

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Good to know

Cheapest flight$65
Flight from Los Angeles to Ontario

When to book flights from Los Angeles to Ontario

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

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

    In the last 3 days, the lowest price for a flight from Los Angeles to Ontario was $65 for a one-way ticket and $127 for a round-trip.

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

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

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

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

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

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

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

    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 Los Angeles to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Los Angeles 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 Los Angeles to Ontario?

    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 Ontario with an airline and back to Los Angeles with another airline. Booking your flights between Los Angeles and ONT 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 Los Angeles to Ontario?

    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 Ontario from Los Angeles 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 Los Angeles to Ontario

Information on your arrival and departure airports

Los Angeles (LAX)
Ontario (ONT)