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

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Flights from Los Angeles - Ontario Intl. Airport

Prices were available within the past 7 days and start at AED150 for one-way flights and AED210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Monday, 15 December, 2025 - Wednesday, 24 December, 2025
ONT
Ontario
LAS
Las Vegas
AED210 Roundtrip, found 4 days ago
AED210
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Monday, 15 December, 2025 from Ontario to Las Vegas, returning Wednesday, 24 December, 2025, priced at AED210 found 4 days ago
Frontier Airlines
Saturday, 13 December, 2025 - Wednesday, 24 December, 2025
ONT
Ontario
LAS
Las Vegas
AED260 Roundtrip, found 4 days ago
AED260
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Saturday, 13 December, 2025 from Ontario to Las Vegas, returning Wednesday, 24 December, 2025, priced at AED260 found 4 days ago
Frontier Airlines
Tuesday, 6 January, 2026 - Tuesday, 20 January, 2026
ONT
Ontario
LAS
Las Vegas
AED280 Roundtrip, found 3 days ago
AED280
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 6 January, 2026 from Ontario to Las Vegas, returning Tuesday, 20 January, 2026, priced at AED280 found 3 days ago
Frontier Airlines
Monday, 22 December, 2025 - Saturday, 10 January, 2026
ONT
Ontario
LAS
Las Vegas
AED300 Roundtrip, found 3 days ago
AED300
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Monday, 22 December, 2025 from Ontario to Las Vegas, returning Saturday, 10 January, 2026, priced at AED300 found 3 days ago
Frontier Airlines
Thursday, 18 December, 2025 - Tuesday, 23 December, 2025
ONT
Ontario
LAS
Las Vegas
AED330 Roundtrip, found 4 days ago
AED330
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thursday, 18 December, 2025 from Ontario to Las Vegas, returning Tuesday, 23 December, 2025, priced at AED330 found 4 days ago
Frontier Airlines
Tuesday, 30 December, 2025 - Sunday, 18 January, 2026
ONT
Ontario
LAS
Las Vegas
AED340 Roundtrip, found 3 days ago
AED340
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tuesday, 30 December, 2025 from Ontario to Las Vegas, returning Sunday, 18 January, 2026, priced at AED340 found 3 days ago
Frontier Airlines
Thursday, 1 January, 2026 - Tuesday, 20 January, 2026
ONT
Ontario
LAS
Las Vegas
AED350 Roundtrip, found 3 days ago
AED350
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thursday, 1 January, 2026 from Ontario to Las Vegas, returning Tuesday, 20 January, 2026, priced at AED350 found 3 days ago
United
Tuesday, 18 November, 2025 - Sunday, 7 December, 2025
ONT
Ontario
SFO
San Francisco
AED650 Roundtrip, found 22 hours ago
AED650
Roundtrip
found 22 hours ago
Select United flight, departing Tuesday, 18 November, 2025 from Ontario to San Francisco, returning Sunday, 7 December, 2025, priced at AED650 found 22 hours ago
Delta
Tuesday, 18 November, 2025 - Wednesday, 10 December, 2025
ONT
Ontario
DAL
Dallas
AED980 Roundtrip, found 5 days ago
AED980
Roundtrip
found 5 days ago
Select Delta flight, departing Tuesday, 18 November, 2025 from Ontario to Dallas, returning Wednesday, 10 December, 2025, priced at AED980 found 5 days ago
American Airlines
Wednesday, 3 December, 2025 - Monday, 15 December, 2025
ONT
Ontario
LAS
Las Vegas
AED1,360 Roundtrip, found 5 days ago
AED1,360
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wednesday, 3 December, 2025 from Ontario to Las Vegas, returning Monday, 15 December, 2025, priced at AED1,360 found 5 days ago

Hotels near Los Angeles - Ontario Intl. Airport

DoubleTree by Hilton Ontario Airport
4 out of 5
222 N Vineyard Ave, Ontario, CA
The price is AED 449 per night from Nov 9 to Nov 10
AED 449
AED 516 total
9 Nov - 10 Nov
includes taxes & fees
Stay at this 4-star business-friendly hotel in Ontario. Enjoy free WiFi, 2 restaurants, and a nightclub. Our guests praise the helpful staff and the clean rooms ...
8/10 Very Good! (1,029 reviews)
Opens in a new windowDoubleTree by Hilton Ontario Airport
Extended Studio Hotel Ontario
2.5 out of 5
1818 E Holt Blvd, Ontario, CA
The price is AED 284 per night from Nov 5 to Nov 6
AED 284
AED 327 total
5 Nov - 6 Nov
includes taxes & fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the ...
9/10 Wonderful! (806 reviews)
Opens in a new windowExtended Studio Hotel Ontario
Ontario Airport Inn
2.5 out of 5
1801 E G St, Ontario, CA
The price is AED 284 per night from Nov 4 to Nov 5
AED 284
AED 326 total
4 Nov - 5 Nov
includes taxes & fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.8/10 Excellent! (1,714 reviews)
Opens in a new windowOntario Airport Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Los Angeles - Ontario Intl. Airport

Current conditions at Ontario International Airport

airport static map image
Show map

Airport Information

Name: Ontario International Airport
Location: Ontario, United States
  • Longitude: 34.056001
  • Latitude: -117.601193
Airport Codes:
  • IATA: ONT
  • ICAO: KONT
ONT Wikipedia Information

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 traveling 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 Center 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 Las Vegas (LAS) at AED150. 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 travelers 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.