$121 Cheap Delta flights Los Angeles (LAX) to Idaho Falls (IDA)

Finding cheap one-way Delta Air Lines flights from LAX to IDA from $121 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $241 for your next exciting vacation.**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.

Delta Air Lines flights to Idaho Falls tend to be cheaper in the low-season months of January and February. Whether you need a one-way or round-trip ticket, you could score a better deal then.

Start searching one to three months ahead of your travel date to score cheaper fares on Delta Air Lines flights from Los Angeles Intl. Airport (LAX) to Idaho Falls Regional Airport (IDA). 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.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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 figure out if there’s a direct trip from LAX to IDA with Delta Air Lines or another carrier, check the “Nonstop” filter when looking for tickets.

To find the earliest departures from LAX to IDA with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight usually means you’ll experience fewer cancellations.**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.

Jump on a Delta Air Lines flight from Los Angeles Intl. Airport (LAX) to Idaho Falls, and you’ll probably touch down at Idaho Falls Regional Airport (IDA). This is the airline’s primary hub in this city.

Taking off from LAX to IDA with Delta Air Lines means enjoying a host of benefits, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee will generally apply if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To find flexible fares, select our “Changes included” or “No cancel fee” filter when looking for flights. For more details on modifying or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”