Cheap Flights from Los Angeles - Ontario Intl. Airport

View RM403 flight on Sat, 28 Feb 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT)

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Volaris

    Volaris

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Flights from Los Angeles - Ontario Intl. Airport

Prices were available within the past 7 days and start at RM403 for one-way flights and RM1,022 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 14 Feb - Sat, 21 Feb
ONT
Ontario
PHX
Phoenix
RM1,022 Return, found 6 days ago
RM1,022
Return
found 6 days ago
Select United flight, departing Sat, 14 Feb from Ontario to Phoenix, returning Sat, 21 Feb, priced at RM1,022 found 6 days ago
American Airlines
Sat, 14 Feb - Sat, 21 Feb
ONT
Ontario
PHX
Phoenix
RM1,103 Return, found 6 days ago
RM1,103
Return
found 6 days ago
Select American Airlines flight, departing Sat, 14 Feb from Ontario to Phoenix, returning Sat, 21 Feb, priced at RM1,103 found 6 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,125 Return, found 3 days ago
RM1,125
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,125 found 3 days ago
United
Sat, 14 Feb - Sat, 21 Feb
ONT
Ontario
PHX
Phoenix
RM1,144 Return, found 6 days ago
RM1,144
Return
found 6 days ago
Select United flight, departing Sat, 14 Feb from Ontario to Phoenix, returning Sat, 21 Feb, priced at RM1,144 found 6 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,211 Return, found 3 days ago
RM1,211
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,211 found 3 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,228 Return, found 3 days ago
RM1,228
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,228 found 3 days ago
United
Sat, 14 Feb - Sat, 21 Feb
ONT
Ontario
PHX
Phoenix
RM1,265 Return, found 6 days ago
RM1,265
Return
found 6 days ago
Select United flight, departing Sat, 14 Feb from Ontario to Phoenix, returning Sat, 21 Feb, priced at RM1,265 found 6 days ago
Delta
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,296 Return, found 3 days ago
RM1,296
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,296 found 3 days ago
American Airlines
Sat, 14 Feb - Sat, 21 Feb
ONT
Ontario
PHX
Phoenix
RM1,346 Return, found 6 days ago
RM1,346
Return
found 6 days ago
Select American Airlines flight, departing Sat, 14 Feb from Ontario to Phoenix, returning Sat, 21 Feb, priced at RM1,346 found 6 days ago
United
Sat, 24 Jan - Sun, 25 Jan
ONT
Ontario
PDX
Portland
RM1,350 Return, found 3 days ago
RM1,350
Return
found 3 days ago
Select United flight, departing Sat, 24 Jan from Ontario to Portland, returning Sun, 25 Jan, priced at RM1,350 found 3 days ago

Los Angeles - Ontario Intl. Airport Information

Airport Name
Airport Location
Airport Code
Latitude
Longitude
Altitude
Ontario Intl.Ontario, USIATA: ONT, ICAO: KONT, GPS: KONT34.056000-117.600998944ft

Ontario Intl., also known by IATA (International Air Transport Association) code ONT and ICAO (International Civil Aviation Organization) code KONT, offers flights from multiple airline carriers to many popular global destinations. Above you'll find some useful information about Ontario's airport that can help you in planning your next trip. Expedia offers flights from ONT airport on multiple airline carriers, and makes it easy and affordable for you to book low cost Ontario flights.

Frequently asked questions

What is the airport code for Los Angeles - Ontario Intl. Airport (ONT)?
Los Angeles - Ontario Intl. Airport (ONT) uses the airport code: ONT.
How many terminals are there in Ontario Airport and how early should I arrive before my flight?
You'll find flights operating out of 2 terminals at Ontario Airport. A few days before you travel, check your ticket or contact your airline to confirm whether you'll be leaving from 2 or 4. For domestic flights, it's recommended to arrive 1.5-2 hours before your departure time. If you're travelling internationally, arrive 2-3 hours in advance to allow ample time for checking bags, security lines and locating your gate.
Does Ontario Airport have a hotel?
ONT doesn't have any hotels in the immediate surrounds, but that doesn't mean all is lost. You're sure to find someplace comfortable to stay before you jet off if you broaden your search. Only a brief cab ride from the terminals, the Hotel d'Lins Ontario Airport might be exactly what you're looking for. It offers a swimming pool, a garden and free internet services. The Ontario Airport Hotel & Conference Centre is also close by. Here you can use mountain views, a cafe and a swimming pool. With convenient options like these, you definitely won't need to sleep on the airport floor if you're flying out early.
Are there private lounges in Los Angeles - Ontario Intl. Airport (ONT)?
Yes, Los Angeles - Ontario Intl. Airport (ONT) offers passengers at least one private lounge. Find out the types of amenities provided and your eligibility for access by checking the airport's website.
What airlines fly out of Ontario Airport?
You have plenty of choices when flying out of ONT with these reliable domestic carriers:

  • American Airlines
  • Frontier Airlines
  • Delta Air Lines

Cross a new country off your travel bucket list with China Airlines. This leading international airline has flights out of Los Angeles - Ontario Intl. Airport (ONT) and will have a destination that'll make you want to click the "book" button.
How many flights per day fly out of ONT?
Head for someplace new on one of the 75 flights that leave Los Angeles - Ontario Intl. Airport (ONT) each day. If you're about to plan your next great escape, look up this airport's destinations.
How to find cheap flights from ONT with Expedia?
The cheapest one-way flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) was to Denver (DEN) at RM403. One of the simplest ways to find a cheap flight with Expedia is to enter your preferred dates and destination, and then sort your results by price. These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. You'll always snag a real bargain with Expedia, but our "Flexible dates" tool makes it that extra bit easier. First, enter your destination and flight dates. Then, click on "Flexible dates" above the search results to browse the cheapest prices for days surrounding your trip. If you want to narrow your search, you can filter by airline preference, specific departure and arrival times and more.
Where can you fly to from Los Angeles - Ontario Intl. Airport (ONT)?
From Los Angeles - Ontario Intl. Airport (ONT), a large number of people venture to Taipei. You'll be in good company if you plan on taking a trip to this popular destination. Many domestic travellers jet to Phoenix, Dallas or Las Vegas. Compare the fares, find impressive deals and secure your dream getaway for less.
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.

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