Search flights to LA/Ontario International Airport (ONT)
Compare flights from different airlines and book cheap plane tickets with ease
Cheapest flights to LA/Ontario International Airport
The cheapest flights available in the next 60 days – prices are updated regularly
- Wed 8 OctUS$110.64One wayEconomy1 traveller
- Tue 7 OctUS$113.77One wayEconomy1 traveller
- Wed 22 OctUS$117.54One wayEconomy1 traveller
Airlines that fly to LA/Ontario International Airport
Based on flights we've sold recently. Available airlines may vary depending on your search.
Frontier Airlines
American Airlines
United Airlines
Alaska Airlines
Hawaiian Airlines
Southwest Airlines
JetBlue
Spirit Airlines
Allegiant Air
Southern Airways Express
Cape Air
King Island Airlines
Reasons to book flights with Booking.com
Great selection
Easily compare flights, airlines and prices – all in one place
No hidden fees
Always know exactly what you’re paying for
Flexibility
Use our flexible plane ticket option to change your dates if needed
Flexible plane ticket options are available for an additional cost on selected airfares
Flying to LA/Ontario International Airport: things to know
There are 16 airlines that fly from the United States to LA/Ontario International Airport. The most popular route to LA/Ontario International Airport is from Sea-Tac Airport in Seattle. On average this flight takes 2 hours 46 minutes one way and costs US$492 for the round trip.
The most popular route | SEA Sea-Tac Airport to ONT LA/Ontario International Airport |
|---|---|
Average flight on the most popular route | 2 hours 46 minutes |
Average round-trip ticket price | US$492 |
Fly from the United States to LA/Ontario International Airport | 16 airlines |
