Flights from Los Angeles - Ontario Intl. Airport, Ontario

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Cheap Flights From Los Angeles - Ontario Intl. Airport Starting At $34 One Way, $49 Round Trip

Prices starting at $49 for return flights and $34 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, Nov 19 - Wed, Nov 19
ONT
Ontario
DEN
Denver
$49 Roundtrip, found 3 days ago
$49
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Nov 19 from Ontario to Denver, returning Wed, Nov 19, priced at $49 found 3 days ago
Mon, Jan 5 - Mon, Jan 12
ONT
Ontario
SEA
Seattle
$59 Roundtrip, found 2 days ago
$59
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jan 5 from Ontario to Seattle, returning Mon, Jan 12, priced at $59 found 2 days ago
Sun, Jan 25 - Sun, Jan 25
ONT
Ontario
LAS
Las Vegas
$63 Roundtrip, found 22 hours ago
$63
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sun, Jan 25 from Ontario to Las Vegas, returning Sun, Jan 25, priced at $63 found 22 hours ago
Thu, Dec 4 - Mon, Dec 8
ONT
Ontario
SFO
San Francisco
$69 Roundtrip, found 2 hours ago
$69
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Ontario to San Francisco, returning Mon, Dec 8, priced at $69 found 2 hours ago
Tue, Dec 9 - Fri, Dec 12
ONT
Ontario
DFW
Dallas
$69 Roundtrip, found 1 hour ago
$69
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Dec 9 from Ontario to Dallas, returning Fri, Dec 12, priced at $69 found 1 hour ago

Deals On This Weekend's Flights

OriginDestinationTravel DatesFlights From*
ONTDenverNovember 15 to November 15$59
ONTSan FranciscoNovember 15 to November 17$167
ONTSeattleNovember 16 to November 23$191
ONTSalt Lake CityNovember 15 to November 17$200
ONTPhoenixNovember 15 to November 17$203
ONTLas VegasNovember 15 to November 16$205
ONTDallasNovember 16 to November 21$229
ONTPortlandNovember 16 to November 22$238
ONTZumpangoNovember 16 to November 23$363
ONTGuadalajaraNovember 15 to November 22$391
*Prices include taxes and fees

Airport Data

Airport IATA Code
ONT
Lowest Flight Price
$34
Available Airline Carriers 
Frontier Airlines

Los Angeles - Ontario Intl. airport flights

Your PTO has been stacking up and you’re feeling the old travel itch again. Los Angeles - Ontario Intl. sounds great this time of year, so why wait? Orbitz makes it easy to book flights to Los Angeles - Ontario Intl. airport (ONT) at super affordable rates. Your next getaway is just a click away.

We’re your travel gurus
You want to go to Los Angeles - Ontario Intl., and we want to help you get there. It’s as simple as that. Whether you’re visiting town for just a couple of days or you intend to make a long-term stay, booking flights through Orbitz is the way to go. Can’t wait to get there? Los Angeles - Ontario Intl. airport direct flights are the quickest way to kickstart your trip and have extra time to explore. 

Got some time before your ride arrives, or waiting for your luggage to turn up at baggage claim? Grab something to eat at one of the airport cafes or restaurants, or put up your feet for a few minutes in the lounge. Find a souvenir to remember Los Angeles - Ontario Intl. by, or check if you can hook up to Wi-Fi to get some work done. You might even score a drink at the on-site pub. 

Get your getaway
At Orbitz, we’re all about making travel fun again. Booking is a snap; you’ll be in the air watching the landscape roll by in no time. We hook you up with the best deals on Los Angeles - Ontario Intl. airport flights, leaving you with more time to focus on the cool part—like planning the rest of your trip!

Frequently asked questions

Where can you fly to from Ontario Airport?
The most sought-after international destinations from Ontario Airport are Guadalajara, Taipei and San Salvador. This bustling airport is the gateway to your next adventure. Domestic flights to Phoenix, Las Vegas and Denver are also quick to book up. Treat yourself to a trip to one of these fantastic destinations. There's nothing quite like the gift of travel to rejuvenate your soul.
Does Ontario Airport have a hotel?
Ontario Airport has no accommodations in the immediate vicinity, but you still have options. You're bound to find someplace comfortable to stay before your flight if you look farther afield. Make sure you check out the prices at the Hotel d'Lins Ontario Airport and the Ontario Airport Hotel & Conference Center. Both of these options are a quick drive from the terminal. The first one offers a swimming pool, a garden and complimentary breakfast, while the latter has mountain views, a cafe and a swimming pool.
What airlines fly out of ONT?
Lock in a flight from ONT with any of these quality domestic air carriers and relax knowing your journey will be a good one:

  • Southwest Airlines
  • American Airlines
  • Alaska Airlines

If you're yearning to explore faraway lands, these popular airlines will comfortably fly you there from Los Angeles - Ontario Intl. Airport (ONT):

  • Volaris
  • China Airlines
  • AVIANCA

What is ONT?
ONT is the code for Los Angeles - Ontario Intl. Airport (ONT), as set by the International Air Transport Association. Most airports around the world have their own individual three-letter identifier, which is used mainly for ticketing and itinerary purposes.
How many terminals are there in ONT?
Los Angeles - Ontario Intl. Airport (ONT) comprises 2 passenger terminals. A few days before you travel, check with your airline about whether you'll depart from T2 or T4.
Are there private lounges in Los Angeles - Ontario Intl. Airport (ONT)?
Yes — sanctuary awaits at Los Angeles - Ontario Intl. Airport (ONT). A private lounge is a fantastic place to escape the commotion of the busy terminal area. Inquire into whether your ticket type or membership level makes you eligible for access. If not, day passes may be available.

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.

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