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

View $121 flight on Mon, Aug 11, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 15 - Wed, Jul 16
IDA
Idaho Falls
LAX
Los Angeles
$241 Roundtrip, found 3 hours ago
$241
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Jul 15 from Idaho Falls to Los Angeles, returning Wed, Jul 16, priced at $241 found 3 hours ago
Delta
Mon, Aug 18 - Tue, Aug 19
IDA
Idaho Falls
LAX
Los Angeles
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 18 from Idaho Falls to Los Angeles, returning Tue, Aug 19, priced at $251 found 1 day ago
Delta
Fri, Nov 21 - Thu, Nov 27
IDA
Idaho Falls
LAX
Los Angeles
$270 Roundtrip, found 4 hours ago
$270
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Nov 21 from Idaho Falls to Los Angeles, returning Thu, Nov 27, priced at $270 found 4 hours ago
Delta
Fri, Jul 4 - Wed, Jul 9
IDA
Idaho Falls
LAX
Los Angeles
$271 Roundtrip, found 10 hours ago
$271
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, Jul 4 from Idaho Falls to Los Angeles, returning Wed, Jul 9, priced at $271 found 10 hours ago
Delta
Wed, Jul 30 - Tue, Aug 5
IDA
Idaho Falls
LAX
Los Angeles
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jul 30 from Idaho Falls to Los Angeles, returning Tue, Aug 5, priced at $276 found 2 days ago
Delta
Mon, Aug 25 - Wed, Aug 27
IDA
Idaho Falls
LAX
Los Angeles
$278 Roundtrip, found 8 hours ago
$278
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Aug 25 from Idaho Falls to Los Angeles, returning Wed, Aug 27, priced at $278 found 8 hours ago
Flights from Idaho Falls (IDA) to Los Angeles (LAX)
Origin airport
Idaho Falls Regional
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
743 mi

Frequently asked questions

How much is a Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to Los Angeles Intl. Airport (LAX)?
Landing cheap one-way Delta Air Lines flights from IDA to LAX from $121 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $241 for your next 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.
What is the cheapest month to fly from IDA to LAX with Delta Air Lines?
January is one of the least expensive months to jet off to Los Angeles with Delta Air Lines. You could also find excellent prices on one-way and round-trip fares in February.
What is the cheapest time to book flights from Idaho Falls Regional Airport (IDA) to Los Angeles Intl. Airport (LAX) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Idaho Falls Regional Airport (IDA) to Los Angeles Intl. Airport (LAX) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.
Does Delta Air Lines fly nonstop from Idaho Falls Regional Airport (IDA) to Los Angeles Intl. Airport (LAX)?
Use our "Nonstop" filter when browsing for direct Delta Air Lines flights from IDA to LAX. It's also a good way to compare other airlines servicing the same nonstop trip.
What is the earliest Delta Air Lines flight from IDA to LAX?
Sort your results by "Early Morning" and "Morning" to browse the earliest flights from IDA to LAX. Leaving early means flight cancellations are less likely.**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.
What airports does Delta Air Lines fly into in Los Angeles?
Delta Air Lines flights from Idaho Falls Regional Airport (IDA) to Los Angeles touch down at Los Angeles Intl. Airport (LAX). This is the main entry point here.
Why fly with Delta Air Lines from IDA to LAX?
Heading from IDA to LAX with Delta Air Lines comes with a host of benefits, such as 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.
Can I change or cancel my Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to Los Angeles Intl. Airport (LAX)?
Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more information about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to make changes without being charged, tick the "Changes included" or "No cancel fee" filter when organizing your next getaway.

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*Available to One Key members.