Cheap Flights from Los Angeles - Ontario Intl. Airport (ONT)

View ₹7,519 flight on Wed, 4 Mar 2026Opens in a new window

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

  • American Airlines

  • Alaska Airlines

  • United

  • Delta

  • Southwest Airlines

  • Frontier Airlines

  • Volaris

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Flights from Los Angeles - Ontario Intl. Airport

Prices were available within the past 7 days and start at ₹7,519 for one-way flights and ₹17,603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 18 Mar - Sat, 21 Mar
ONT
Ontario
PHX
Phoenix
₹17,603 Return, found 3 days ago
₹17,603
Return
found 3 days ago
Select American Airlines flight, departing Wed, 18 Mar from Ontario to Phoenix, returning Sat, 21 Mar, priced at ₹17,603 found 3 days ago
United
Tue, 14 Apr - Wed, 15 Apr
ONT
Ontario
LAS
Las Vegas
₹19,558 Return, found 4 days ago
₹19,558
Return
found 4 days ago
Select United flight, departing Tue, 14 Apr from Ontario to Las Vegas, returning Wed, 15 Apr, priced at ₹19,558 found 4 days ago
American Airlines
Wed, 18 Mar - Sat, 21 Mar
ONT
Ontario
PHX
Phoenix
₹20,312 Return, found 3 days ago
₹20,312
Return
found 3 days ago
Select American Airlines flight, departing Wed, 18 Mar from Ontario to Phoenix, returning Sat, 21 Mar, priced at ₹20,312 found 3 days ago
United
Thu, 2 Apr - Mon, 6 Apr
ONT
Ontario
SFO
San Francisco
₹20,855 Return, found 1 day ago
₹20,855
Return
found 1 day ago
Select United flight, departing Thu, 2 Apr from Ontario to San Francisco, returning Mon, 6 Apr, priced at ₹20,855 found 1 day ago
United
Mon, 23 Mar - Mon, 6 Apr
ONT
Ontario
SFO
San Francisco
₹20,924 Return, found 11 hours ago
₹20,924
Return
found 11 hours ago
Select United flight, departing Mon, 23 Mar from Ontario to San Francisco, returning Mon, 6 Apr, priced at ₹20,924 found 11 hours ago
United
Tue, 14 Apr - Sat, 18 Apr
ONT
Ontario
LAS
Las Vegas
₹21,090 Return, found 4 days ago
₹21,090
Return
found 4 days ago
Select United flight, departing Tue, 14 Apr from Ontario to Las Vegas, returning Sat, 18 Apr, priced at ₹21,090 found 4 days ago
American Airlines
Wed, 18 Mar - Sat, 21 Mar
ONT
Ontario
PHX
Phoenix
₹21,742 Return, found 3 days ago
₹21,742
Return
found 3 days ago
Select American Airlines flight, departing Wed, 18 Mar from Ontario to Phoenix, returning Sat, 21 Mar, priced at ₹21,742 found 3 days ago
American Airlines
Wed, 18 Mar - Sat, 21 Mar
ONT
Ontario
PHX
Phoenix
₹21,758 Return, found 3 days ago
₹21,758
Return
found 3 days ago
Select American Airlines flight, departing Wed, 18 Mar from Ontario to Phoenix, returning Sat, 21 Mar, priced at ₹21,758 found 3 days ago
Delta
Wed, 4 Mar - Tue, 10 Mar
ONT
Ontario
DFW
Dallas
₹21,791 Return, found 6 days ago
₹21,791
Return
found 6 days ago
Select Delta flight, departing Wed, 4 Mar from Ontario to Dallas, returning Tue, 10 Mar, priced at ₹21,791 found 6 days ago
United
Thu, 16 Apr - Sat, 18 Apr
ONT
Ontario
LAS
Las Vegas
₹22,627 Return, found 4 days ago
₹22,627
Return
found 4 days ago
Select United flight, departing Thu, 16 Apr from Ontario to Las Vegas, returning Sat, 18 Apr, priced at ₹22,627 found 4 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 Code: KONT34.056000-117.600998287.73 meters

Ontario Intl., ONT airport, offers flights from multiple airline carriers to many popular global destinations. Above you'll find some useful information about Ontario’s airports that can help you in planning your next trip. Expedia offers flights from Ontario Intl. on multiple airline carriers, and makes it easy and affordable for you to book.

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 Portland (PDX) at ₹7,519. 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.

Explore a world of travel with Expedia

*Available to Expedia members.