HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$101+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/129:16 pm
LAX
-
IDA
1 stop17h 15m
Multiple Airlines
Mon 2/1610:31 pm
IDA
-
LAX
1 stop15h 54m
Multiple Airlines
Deal found 1/26$225
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/269:16 pm
LAX
-
IDA
1 stop17h 14m
Multiple Airlines
Sun 3/17:12 pm
IDA
-
LAX
1 stop12h 54m
Multiple Airlines
Deal found 1/26$226
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:00 pm
LAX
-
IDA
1 stop6h 36m
Alaska Airlines
Sat 2/285:20 pm
IDA
-
LAX
1 stop5h 30m
Alaska Airlines
Deal found 1/26$229
This Delta deal was found by Cheapflights users on 1/26. 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.
Tue 3/311:35 am
LAX
-
IDA
1 stop5h 14m
Delta
Thu 3/266:55 pm
IDA
-
LAX
1 stop6h 00m
Delta
Deal found 1/26$239
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:00 pm
LAX
-
IDA
1 stop6h 36m
Alaska Airlines
Mon 3/25:20 pm
IDA
-
LAX
1 stop7h 39m
Alaska Airlines
Deal found 1/26$261
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:00 pm
LAX
-
IDA
1 stop6h 36m
Alaska Airlines
Wed 3/48:00 am
IDA
-
LAX
2 stops15h 58m
Alaska Airlines
Deal found 1/26$274
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:03 pm
LAX
-
IDA
1 stop8h 33m
Alaska Airlines
Fri 2/275:20 pm
IDA
-
LAX
1 stop7h 39m
Alaska Airlines
Deal found 1/26$278
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/139:12 am
LAX
-
IDA
1 stop5h 19m
Multiple Airlines
Sun 2/157:14 pm
IDA
-
LAX
1 stop12h 52m
Multiple Airlines
Deal found 1/28$283
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:46 am
LAX
-
IDA
1 stop6h 57m
Alaska Airlines
Sat 2/285:20 pm
IDA
-
LAX
1 stop5h 30m
Alaska Airlines
Deal found 1/26$286

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$225
(Kiwi.com)

One-way from

$101
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$444
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. 16% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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

Thu 2/26

9:16 pm-3:30 pm

1 stop17h 14m

Idaho Falls Fanning Field

Sun 3/1

7:12 pm-7:06 am

1 stop12h 54m

$226

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 3/3

11:35 am-5:49 pm

1 stop5h 14m

Idaho Falls Fanning Field

Thu 3/26

6:55 pm-11:55 pm

1 stop6h 00m

$239

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 5/28

1:38 pm-10:45 pm

1 stop8h 07m

Idaho Falls Fanning Field

Mon 6/1

6:00 am-11:49 am

1 stop6h 49m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

7:45 am-4:43 pm

1 stop7h 58m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:03 pm

1 stop6h 43m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/19

5:40 am-12:22 pm

1 stop5h 42m

Idaho Falls Fanning Field

Wed 2/25

6:35 pm-11:56 pm

1 stop6h 21m

$302

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/20

9:12 am-3:31 pm

1 stop5h 19m

Idaho Falls Fanning Field

Sun 2/22

7:14 pm-7:06 am

1 stop12h 52m

$302

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 3/2

5:00 pm-11:36 pm

1 stop5h 36m

Idaho Falls Fanning Field

Thu 3/5

5:20 pm-11:59 pm

1 stop7h 39m

$343

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

11:00 am-11:36 pm

1 stop11h 36m

Idaho Falls Fanning Field

Sat 2/28

8:00 am-3:36 pm

1 stop8h 36m

$343

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 3/3

7:45 am-4:43 pm

1 stop7h 58m

$101

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Sun 3/1

9:09 pm-3:30 pm

1 stop17h 21m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 18 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Los Angeles-Idaho Falls flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 January 28, 2026.
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
11,801 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,801 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,123 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,209 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 14m. Delta provides one of the quickest options available for as low as $239. 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 ($240) offers the cheapest pricing from Los Angeles to Idaho Falls. These flights start at 48% 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
Los Angeles to Spokane flights
San Francisco to Jackson flights
Los Angeles to Boise flights
San Francisco to Spokane flights
San Francisco to Boise flights
Los Angeles to Hailey flights
Burbank to Boise flights
Santa Ana to Spokane flights
San Jose to Boise flights
Sacramento to Spokane flights
Ontario to Boise flights
Sacramento to Boise flights
Ontario to Spokane flights
San Diego to Boise flights
San Jose to Spokane flights
Santa Ana to Boise flights
San Francisco to Hailey flights
Ontario to Jackson flights
Reno to Spokane flights
Las Vegas to Spokane flights
Oakland to Spokane flights
San Diego to Spokane flights
Oakland to Boise flights
San Diego to Jackson flights
Las Vegas to Boise flights
Palm Springs to Boise flights
Burbank to Spokane flights
San Diego to Hailey flights
Santa Ana to Jackson flights
Ontario to Idaho Falls flights
Ontario to Hailey flights
Fresno to Boise flights
San Jose to Jackson flights
San Francisco to Idaho Falls flights
Medford to Spokane flights
San Luis Obispo to Boise flights
Long Beach to Spokane flights
Santa Ana to Idaho Falls flights
Santa Barbara to Boise flights
San Jose to Idaho Falls flights
Fresno to Spokane flights
Las Vegas to Jackson flights
Fresno to Jackson flights
Burbank to Jackson flights
Santa Rosa to Spokane flights
Long Beach to Boise flights
Sacramento to Jackson flights
Santa Rosa 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$205Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$529FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$240Average$303FlexibilityNo cancel feeOn-time75%

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.
Site
Cookie settings©2026 Cheapflights