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, $52 Round Trip

Prices starting at $52 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.

Wed, May 28 - Wed, May 28
ONT
Ontario
LAS
Las Vegas
$53 Roundtrip, found 2 days ago
$53
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 28 from Ontario to Las Vegas, returning Wed, May 28, priced at $53 found 2 days ago
Sat, May 24 - Mon, May 26
ONT
Ontario
SFO
San Francisco
$57 Roundtrip, just found
$57
Roundtrip
just found
Select United flight, departing Sat, May 24 from Ontario to San Francisco, returning Mon, May 26, priced at $57 just found
Sat, May 3 - Tue, May 6
ONT
Ontario
DFW
Dallas
$81 Roundtrip, just found
$81
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 3 from Ontario to Dallas, returning Tue, May 6, priced at $81 just found
Thu, May 29 - Mon, Jun 2
ONT
Ontario
PDX
Portland
$90 Roundtrip, found 20 hours ago
$90
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Ontario to Portland, returning Mon, Jun 2, priced at $90 found 20 hours ago
Wed, May 21 - Wed, May 21
ONT
Ontario
PHX
Phoenix
$92 Roundtrip, found 4 days ago
$92
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, May 21 from Ontario to Phoenix, returning Wed, May 21, priced at $92 found 4 days ago

Cheap Flights to Los Angeles - Ontario Intl. Airport starting at $29 One Way, $52 Round Trip

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

Tue, May 6 - Tue, May 6
SFO
San Francisco
ONT
Ontario
$52 Roundtrip, found 1 day ago
$52
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 6 from San Francisco to Ontario, returning Tue, May 6, priced at $52 found 1 day ago
Mon, May 19 - Mon, May 19
OAK
Oakland
ONT
Ontario
$72 Roundtrip, found 1 day ago
$72
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Mon, May 19 from Oakland to Ontario, returning Mon, May 19, priced at $72 found 1 day ago
Wed, May 7 - Wed, May 7
DFW
Dallas
ONT
Ontario
$83 Roundtrip, found 1 day ago
$83
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 7 from Dallas to Ontario, returning Wed, May 7, priced at $83 found 1 day ago
Thu, May 29 - Thu, May 29
PDX
Portland
ONT
Ontario
$84 Roundtrip, found 3 days ago
$84
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, May 29 from Portland to Ontario, returning Thu, May 29, priced at $84 found 3 days ago
Wed, May 21 - Wed, May 21
PHX
Phoenix
ONT
Ontario
$92 Roundtrip, found 4 days ago
$92
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, May 21 from Phoenix to Ontario, returning Wed, May 21, priced at $92 found 4 days ago

Deals On This Weekend's Flights

OriginDestinationTravel DatesFlights From*
ONTSan FranciscoMay 3 to May 3$63
ONTLas VegasMay 3 to May 6$76
ONTDallasMay 3 to May 6$81
ONTDenverMay 3 to May 7$109
ONTSalt Lake CityMay 3 to May 7$190
ONTPhoenixMay 3 to May 4$200
ONTSeattleMay 4 to May 11$206
ONTPortlandMay 3 to May 5$226
ONTGuadalajaraMay 2 to May 6$405
ONTZumpangoMay 3 to May 5$418
*Prices include taxes and fees

Airport Data

Airport IATA Code
ONT
Lowest Flight Price
$29
Available Airline Carriers 
United, Frontier Airlines, Southwest 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.