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Idaho Falls

$111+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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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 February 11, 2026.

This Delta deal was found by Cheapflights users on 2/10. 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 3/145:45 am
LAX
-
IDA
1 stop5h 42m
Delta
Sat 3/211:10 pm
IDA
-
LAX
1 stop3h 54m
Delta
Deal found 2/10$243
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/910:15 pm
LAX
-
IDA
1 stop13h 25m
Multiple Airlines
Mon 3/1610:13 pm
IDA
-
LAX
1 stop17h 53m
Multiple Airlines
Deal found 2/8$244
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/209:12 am
LAX
-
IDA
1 stop5h 15m
Multiple Airlines
Fri 4/2410:21 pm
IDA
-
LAX
1 stop10h 54m
Multiple Airlines
Deal found 2/10$299
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/45:40 am
LAX
-
IDA
1 stop5h 42m
Delta
Wed 3/116:55 pm
IDA
-
LAX
1 stop4h 25m
Delta
Deal found 2/10$300
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/38:46 am
LAX
-
IDA
1 stop6h 57m
Alaska Airlines
Mon 3/235:59 pm
IDA
-
LAX
1 stop7h 00m
Alaska Airlines
Deal found 2/10$319
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 2/265:00 pm
LAX
-
IDA
1 stop5h 36m
Alaska Airlines
Mon 3/25:20 pm
IDA
-
LAX
1 stop7h 39m
Alaska Airlines
Deal found 2/8$320
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/9$327
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Sat 7/48:05 am
LAX
-
IDA
1 stop6h 35m
Alaska Airlines
Wed 7/154:14 pm
IDA
-
LAX
1 stop4h 55m
Alaska Airlines
Deal found 2/9$329
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Wed 2/254:40 pm
LAX
-
IDA
1 stop24h 42m
Multiple Airlines
Mon 3/210:29 pm
IDA
-
LAX
1 stop20h 09m
Multiple Airlines
Deal found 2/11$331
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 6/43:59 pm
LAX
-
IDA
1 stop5h 46m
Alaska Airlines
Sun 6/76:00 am
IDA
-
LAX
1 stop5h 56m
Alaska Airlines
Deal found 2/9$336

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$243
(Delta)

One-way from

$111
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$410
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. 20% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 11, 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

Wed 3/4

5:40 am-12:22 pm

1 stop5h 42m

Idaho Falls Fanning Field

Wed 3/11

6:55 pm-10:20 pm

1 stop4h 25m

$300

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 4/20

9:12 am-3:27 pm

1 stop5h 15m

Idaho Falls Fanning Field

Fri 4/24

4:17 pm-6:49 pm

2 stops27h 32m

$314

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 3/3

8:46 am-4:43 pm

1 stop6h 57m

Idaho Falls Fanning Field

Mon 3/23

5:59 pm-11:59 pm

1 stop7h 00m

$319

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

5:00 pm-11:36 pm

1 stop5h 36m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:59 pm

1 stop7h 39m

$320

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

$327

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 2/25

4:40 pm-6:22 pm

1 stop24h 42m

Idaho Falls Fanning Field

Mon 3/2

10:29 pm-5:38 pm

1 stop20h 09m

$331

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 6/4

3:59 pm-10:45 pm

1 stop5h 46m

Idaho Falls Fanning Field

Sun 6/7

6:00 am-10:56 am

1 stop5h 56m

$336

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 6/5

7:00 am-3:31 pm

1 stop7h 31m

Idaho Falls Fanning Field

Sat 6/6

6:00 am-11:49 am

1 stop6h 49m

$339

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 3/26

6:00 am-10:52 pm

1 stop15h 52m

Idaho Falls Fanning Field

Tue 3/31

5:59 pm-10:55 pm

1 stop5h 56m

$348

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 3/17

5:45 am-12:27 pm

1 stop5h 42m

Idaho Falls Fanning Field

Fri 3/20

6:55 pm-10:20 pm

1 stop4h 25m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 21 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 February.
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 February 11, 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
11,878 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

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
11,878 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

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
8,181 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

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
9,279 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

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 42m. Delta provides one of the quickest options available for as low as $300. 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 ($236) 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

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Alternative routes for Los Angeles to Idaho Falls

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$205Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$529FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$236Average$287FlexibilityNo cancel feeOn-time75%

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