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Search flights to LA/Ontario International Airport (ONT)

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Airlines that fly to LA/Ontario International Airport

Based on flights we sold recently. Available airlines may vary depending on your search

  • Frontier Airlines logo
    Frontier Airlines
  • American Airlines logo
    American Airlines
  • United Airlines logo
    United Airlines
  • Alaska Airlines logo
    Alaska Airlines
  • Hawaiian Airlines logo
    Hawaiian Airlines
  • JetBlue logo
    JetBlue
  • Spirit Airlines logo
    Spirit Airlines
  • Allegiant Air logo
    Allegiant Air
  • Southern Airways Express logo
    Southern Airways Express
  • King Island Airlines logo
    King Island Airlines
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Flying to LA/Ontario International Airport: things to know

There are 15 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 one-way flight takes 2 hours 42 minutes and costs $437 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 42 minutes

Average round-trip ticket price

$437

Fly from the United States to LA/Ontario International Airport

15 airlines
A beautiful view of Los Angeles serviced by LA/Ontario International Airport

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