Flights from Los Angeles - Ontario Intl. Airport, Ontario

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Cheap Flights From Los Angeles - Ontario Intl. Airport Starting At $29 One Way, $43 Round Trip

Prices starting at $43 for return flights and $29 for one-way flights to were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 21 - Tue, May 21
ONT
Ontario
SLC
Salt Lake City
$43 Roundtrip, found 2 days ago
$43
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 21 from Ontario to Salt Lake City, returning Tue, May 21, priced at $43 found 2 days ago
Tue, May 14 - Tue, May 14
ONT
Ontario
PDX
Portland
$53 Roundtrip, found 2 days ago
$53
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 14 from Ontario to Portland, returning Tue, May 14, priced at $53 found 2 days ago
Wed, May 1 - Wed, May 1
ONT
Ontario
SFO
San Francisco
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 1 from Ontario to San Francisco, returning Wed, May 1, priced at $53 just found
Mon, Apr 22 - Mon, Apr 22
ONT
Ontario
LAS
Las Vegas
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Apr 22 from Ontario to Las Vegas, returning Mon, Apr 22, priced at $53 just found
Wed, May 15 - Sat, May 18
ONT
Ontario
PHX
Phoenix
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 15 from Ontario to Phoenix, returning Sat, May 18, priced at $58 found 1 hour ago

Cheap Flights to Los Angeles - Ontario Intl. Airport starting at $29 One Way, $43 Round Trip

One way and return prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, May 22 - Wed, May 22
SFO
San Francisco
ONT
Ontario
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 22 from San Francisco to Ontario, returning Wed, May 22, priced at $53 just found
Tue, May 14 - Tue, May 14
PHX
Phoenix
ONT
Ontario
$53 Roundtrip, found 20 hours ago
$53
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, May 14 from Phoenix to Ontario, returning Tue, May 14, priced at $53 found 20 hours ago
Wed, May 8 - Wed, May 8
DEN
Denver
ONT
Ontario
$53 Roundtrip, found 5 days ago
$53
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, May 8 from Denver to Ontario, returning Wed, May 8, priced at $53 found 5 days ago
Tue, Apr 30 - Tue, Apr 30
DFW
Dallas
ONT
Ontario
$63 Roundtrip, found 4 days ago
$63
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Apr 30 from Dallas to Ontario, returning Tue, Apr 30, priced at $63 found 4 days ago
Tue, May 14 - Wed, May 15
PDX
Portland
ONT
Ontario
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 14 from Portland to Ontario, returning Wed, May 15, priced at $68 just found

Deals On This Weekend's Flights

OriginDestinationTravel DatesFlights From*
ONTLas VegasApril 26 to April 27$58
ONTSan FranciscoApril 27 to April 30$58
ONTPhoenixApril 28 to April 30$93
ONTSalt Lake CityApril 27 to April 28$96
ONTDenverApril 26 to April 30$110
ONTPortlandApril 27 to April 30$128
ONTDallasApril 27 to April 29$149
ONTSeattleApril 26 to April 29$177
ONTGuadalajaraApril 26 to May 1$501
ONTMexico CityApril 26 to May 1$556
*Prices include taxes and fees

Airport Data

Airport IATA Code
ONT
Lowest Flight Price
$29
Available Airline Carriers 
Frontier Airlines

Fly to Ontario International Airport

Ontario, CA is a fantastic base for exploring Southern California. In Ontario, keen shoppers will head to the Ontario Mills Mall, one of the largest on the west coast, while foodies won't want to miss a tour of the Graber Olive House.

The Museum of History and Art has many hidden treasures and a regular program of workshops and events. If you have kids, you'll love the 12 acre Scandia amusement park, complete with rides, mini golf and batting cages.

Much of Ontario's attraction is its proximity to major attractions outside the city. Within 45 minutes, you could be at Disneyland, Legoland, Knott's Berry Farm or the San Diego Zoo. Mountain resorts such as Lake Arrowhead and Big Bear are also close by, so Ontario is a good choice for outdoor and sports enthusiasts.

Getting around

Flights into Ontario International Airport (ONT) land just 35 miles from Los Angeles and a few moments from downtown Ontario. Transportation from the airport to the city is a breeze, with frequent shuttle buses and public transportation, or you could take a taxi for around $16.

Hints and tips

A visit to the California Route 66 Museum is an interesting way to spend a few hours; you can get to know more about the history of the Mother Road.

Frequently asked questions

Where can you fly to from ONT?
There are plenty of places you can travel to from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.), but the most frequented international destinations are Ciudad Guzman, Mezcala and San Juan Cosala.If you’ve only got enough time for a short trip, stay within the country and go to Safford, Catavina or Monument Valley. No matter your schedule, we’ve got top deals and a spectacular destination ready and waiting for you.
Does Los Angeles - Ontario Intl. Airport (ONT) have a hotel?
Los Angeles - Ontario Intl. Airport (ONT) doesn’t have any accommodations in the immediate vicinity, but that doesn’t mean all is lost. You’re sure to find someplace suitable to stay before you fly out if you broaden your search.Only a brief cab ride from the terminals, the Hotel d’Lins Ontario Airport might be just what you’re looking for. It features porter facilities, a gift shop and business center facilities. The Ontario Airport Hotel & Conference Center is also in the area. Here you’ll find luggage storage services, porter facilities and a gift shop. With convenient options like these, there’s definitely no need to sleep on a cold, hard airport bench if you have an early flight.
What airlines fly out of Los Angeles - Ontario Intl. Airport (ONT)?
Book a flight from Ontario Airport with any one of these reputable domestic airlines and you know you’re in good hands:

  • Southwest Airlines
  • American Airlines
  • Frontier Airlines

Whether you’d love to explore a new country or go back to a place you enjoy, check out these airlines offering flights from Ontario Airport:

  • Volaris
  • Avianca
  • China Airlines

If I am not able to travel due to COVID-19, can I cancel my flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?
We get that traveling right now has its challenges, so it’s good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you’ll quickly see what options are available. Our Customer Service Portal is the place to go for more information.
Are there flights from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) with flexible change policies?
In most cases you’ll have the option to reschedule your flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the “no change fees” filter and book with confidence.
What is ONT?
ONT is a code used to describe Los Angeles - Ontario Intl. Airport (ONT) in travel itineraries. This code is determined by the International Air Transport Association for airports across the globe.
How many terminals are there in Los Angeles - Ontario Intl. Airport (ONT)?
Flights operate out of 2 terminals at Los Angeles - Ontario Intl. Airport (ONT). A couple of days before you travel, check online or directly contact your airline to learn whether you’ll take off from T2 or T4.
Are there private lounges in Ontario Airport?
Los Angeles - Ontario Intl. Airport (ONT) has one private lounge at least. Before you take off, look up what sorts of amenities are provided and how you can gain access by visiting the airport’s website.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.