HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$109+ Cheap flights from Los Angeles to Idaho Falls (LAX - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Los Angeles to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Los Angeles to Idaho Falls

Cheapest flights from Los Angeles to Idaho Falls
Explore the most affordable flight options available from Los Angeles to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:20 pmLAX - IDA
1 stop17h 52mMultiple Airlines
Fri 1/210:52 pmIDA - LAX
1 stop9h 26mMultiple Airlines
Deal found 12/14$369
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 amLAX - IDA
1 stop10h 37mMultiple Airlines
Wed 12/311:56 pmIDA - LAX
1 stop23h 08mMultiple Airlines
Deal found 12/15$453
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:22 amLAX - IDA
1 stop4h 39mAmerican Airlines
Sat 12/277:00 amIDA - LAX
1 stop6h 17mAmerican Airlines
Deal found 12/15$471
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:30 pmLAX - IDA
1 stop4h 51mAmerican Airlines
Thu 1/17:00 amIDA - LAX
1 stop6h 17mAmerican Airlines
Deal found 12/14$511
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:10 pmLAX - IDA
1 stop5h 49mUnited Airlines
Tue 12/234:05 pmIDA - LAX
1 stop6h 10mUnited Airlines
Deal found 12/15$517
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmLAX - IDA
1 stop5h 49mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop5h 37mUnited Airlines
Deal found 12/16$518
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amLAX - IDA
1 stop7h 30mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop5h 37mUnited Airlines
Deal found 12/16$519
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmLAX - IDA
1 stop5h 49mUnited Airlines
Sat 1/35:00 amIDA - LAX
1 stop5h 36mUnited Airlines
Deal found 12/15$571
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:00 pmLAX - IDA
1 stop4h 52mDelta
Fri 1/26:57 pmIDA - LAX
1 stop15h 07mDelta
Deal found 12/14$579
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:51 pmLAX - IDA
1 stop7h 08mUnited Airlines
Sun 1/45:00 amIDA - LAX
1 stop7h 20mUnited Airlines
Deal found 12/15$586
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:40 amLAX - IDA
1 stop7h 42mUnited Airlines
Wed 12/315:00 amIDA - LAX
2 stops11h 35mUnited Airlines
Deal found 12/14$591

Find flight deals from Los Angeles to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$206
(Kiwi.com)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$649
Provider with most accurate pricing for Los Angeles-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Idaho Falls Fanning Field flights.
Search Deals
From Los Angeles to Idaho Falls Fanning Field
Search Deals
One-way flight from Los Angeles to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Los Angeles to Idaho Falls that are best for you.

Fly from

Los Angeles

Fly to

Idaho Falls

Route

Depart

Return

Price

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sun 1/11

9:46 pm-2:19 pm

1 stop15h 33m

Idaho Falls Fanning Field

Fri 1/16

9:20 pm-8:22 am

1 stop12h 02m

$210

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 1/14

2:56 pm-10:59 pm

1 stop7h 03m

Idaho Falls Fanning Field

Wed 1/21

9:00 am-3:42 pm

1 stop7h 42m

$260

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 2/11

11:35 am-5:51 pm

1 stop5h 16m

Idaho Falls Fanning Field

Thu 2/12

5:25 am-9:08 am

1 stop4h 43m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 2/11

11:35 am-5:51 pm

1 stop5h 16m

Idaho Falls Fanning Field

Sun 2/15

5:25 am-9:08 am

1 stop4h 43m

$285

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/6

5:45 am-12:34 pm

1 stop5h 49m

Idaho Falls Fanning Field

Mon 2/9

6:35 pm-11:56 pm

1 stop6h 21m

$285

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 1/13

4:45 pm-10:36 pm

1 stop4h 51m

Idaho Falls Fanning Field

Sat 1/17

7:20 am-6:11 pm

2 stops11h 51m

$298

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 1/22

2:56 pm-10:59 pm

1 stop7h 03m

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-9:02 am

2 stops15h 04m

$298

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/6

6:10 am-6:18 pm

2 stops11h 08m

Idaho Falls Fanning Field

Mon 2/9

9:00 am-3:42 pm

1 stop7h 42m

$312

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 2/11

9:38 am-10:59 pm

2 stops12h 21m

Idaho Falls Fanning Field

Sun 2/15

5:20 pm-11:03 pm

1 stop6h 43m

$337

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/12

5:45 am-12:27 pm

1 stop5h 42m

Idaho Falls Fanning Field

Sun 2/15

5:25 am-10:14 am

2 stops29h 49m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Los Angeles to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Los Angeles to Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Los Angeles-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Los Angeles-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Los Angeles-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-Idaho Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Los Angeles-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Los Angeles to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Los Angeles with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Idaho Falls

What is the cheapest month to book a flight from Los Angeles to Idaho Falls?

Currently, November is the cheapest month in which you can book a flight from Los Angeles to Idaho Falls (average of $60). Flying from Los Angeles to Idaho Falls in December is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to IDA?

Find hourly flight availability from Los Angeles to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 65% on flights from Los Angeles to Idaho Falls by exploring options for tickets at noon.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated December 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Los Angeles to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,465 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,094 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Los Angeles to Idaho Falls?

    A quick flight from Los Angeles to Idaho Falls can take about 5h 16m. Alaska Airlines provides one of the quickest options available for as low as $261. There are 744 mi between Los Angeles and Idaho Falls. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Los Angeles to Idaho Falls round-trip?

    According to our current data, Delta ($205), United Airlines ($219), and Alaska Airlines ($219) offers the cheapest pricing from Los Angeles to Idaho Falls. These flights start at 47% lower than the current average price 3 months from now.

  • Can I find deals for flights from Los Angeles to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Idaho Falls.

  • Can I find deals for business class flights from Los Angeles to Idaho Falls?

    Yes. Cheapflights offers flight deals from Los Angeles to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to Idaho Falls?

    Currently, November is the cheapest month in which you can book a flight from Los Angeles to Idaho Falls (average of $60). Flying from Los Angeles to Idaho Falls in December is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Jackson flights
San Francisco to Jackson flights
Los Angeles to Boise flights
Los Angeles to Spokane flights
San Diego to Boise flights
Burbank to Boise flights
San Francisco to Hailey flights
Santa Ana to Boise flights
San Francisco to Boise flights
Ontario to Boise flights
San Francisco to Spokane flights
Los Angeles to Hailey flights
Santa Ana to Spokane flights
Las Vegas to Boise flights
San Diego to Spokane flights
Ontario to Jackson flights
Medford to Boise flights
Ontario to Spokane flights
Sacramento to Spokane flights
San Jose to Boise flights
San Diego to Jackson flights
Sacramento to Boise flights
San Jose to Spokane flights
Oakland to Spokane flights
Sacramento to Jackson flights
Las Vegas to Spokane flights
Oakland to Boise flights
Burbank to Spokane flights
Fresno to Boise flights
Long Beach to Boise flights
San Diego to Hailey flights
Fresno to Spokane flights
Reno to Spokane flights
Santa Ana to Idaho Falls flights
Ontario to Hailey flights
Reno to Boise flights
Burbank to Jackson flights
Medford to Spokane flights
Oakland to Jackson flights
Santa Ana to Jackson flights
Palm Springs to Boise flights
San Diego to Idaho Falls flights
San Jose to Jackson flights
San Francisco to Idaho Falls flights
Fresno to Idaho Falls flights
Santa Barbara to Spokane flights
Las Vegas to Idaho Falls flights
Las Vegas to Jackson flights
Santa Barbara to Boise flights

Top 3 airlines flying from Los Angeles to Idaho Falls

Discover the top 3 airlines that operate flights from Los Angeles to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$303FlexibilityNo cancel feeOn-time75%
DeltaCheapest$276Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$300Average$529FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.