$55 Cheap Frontier Airlines flights Chicago (ORD) to Los Angeles (LAX)

Scoring cheap one-way Frontier Airlines flights from ORD to LAX from $55 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $106 for your next exciting adventure.**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.

Look for one-way or round-trip flights to Los Angeles in January or February. You could find lower fares with Frontier Airlines during these off-season months.

Begin your search one to three months before your departure to get cheap fares on Frontier Airlines flights from O’Hare Intl. Airport (ORD) to Los Angeles Intl. Airport (LAX). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct route from ORD to LAX with Frontier Airlines or other carriers, check the “Nonstop” filter when browsing for flights.

Browse Frontier Airlines’s earliest flights from ORD to LAX by using our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a Frontier Airlines flight from O’Hare Intl. Airport (ORD) to Los Angeles, and you’ll probably come in to Los Angeles Intl. Airport (LAX). This is the airline’s primary hub here.

With a rewarding loyalty program, Frontier Airlines is a favorite of many passengers departing from ORD to LAX. Plus, if you’re a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may charge you after that. For further details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without being charged, apply the “Changes included” or “No cancel fee” filter when planning your next trip.