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Idaho Falls

$94+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap 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 agosto 14, 2025.

Round-trip from

$192
(Kiwi.com)

One-way from

$94
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$325
From Los Angeles to Idaho Falls Fanning Field
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One-way flight from Los Angeles to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 19% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 agosto 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
vie. 10/36:15 amLAX - IDA
1 stop8h 59mMultiple Airlines
lun. 10/67:40 pmIDA - LAX
1 stop23h 59mMultiple Airlines
Deal found 8/14$192
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
vie. 9/269:36 amLAX - IDA
1 stop5h 29mMultiple Airlines
lun. 9/299:39 pmIDA - LAX
1 stop16h 54mMultiple Airlines
Deal found 8/13$196
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
dom. 10/267:40 pmLAX - IDA
1 stop16h 09mMultiple Airlines
vie. 10/3110:57 pmIDA - LAX
1 stop15h 21mMultiple Airlines
Deal found 8/13$228
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
sáb. 8/233:31 pmLAX - IDA
2 stops24h 35mMultiple Airlines
lun. 8/255:41 pmIDA - LAX
1 stop7h 17mMultiple Airlines
Deal found 8/14$229
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
vie. 9/266:15 amLAX - IDA
1 stop8h 50mMultiple Airlines
vie. 9/2610:55 pmIDA - LAX
1 stop21h 00mMultiple Airlines
Deal found 8/12$238
This Trip.com deal was found by Cheapflights users on 8/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:15 amLAX - IDA
1 stop8h 50mMultiple Airlines
mié. 9/176:13 amIDA - LAX
1 stop7h 53mMultiple Airlines
Deal found 8/11$245
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/296:45 amLAX - IDA
1 stop8h 14mMultiple Airlines
mié. 10/16:13 amIDA - LAX
1 stop7h 53mMultiple Airlines
Deal found 8/12$258
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 10/82:00 pmLAX - IDA
1 stop7h 38mAlaska Airlines
sáb. 10/116:00 amIDA - LAX
1 stop6h 47mAlaska Airlines
Deal found 8/12$259
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/25:00 pmLAX - IDA
1 stop4h 27mDelta
sáb. 9/66:00 amIDA - LAX
1 stop3h 46mDelta
Deal found 8/11$260
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
vie. 10/36:15 amLAX - IDA
1 stop8h 59mMultiple Airlines
dom. 10/510:13 pmIDA - LAX
1 stop18h 43mMultiple Airlines
Deal found 8/12$278
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 10/233:52 pmLAX - IDA
1 stop5h 46mAlaska Airlines
dom. 10/263:50 pmIDA - LAX
1 stop6h 49mAlaska Airlines
Deal found 8/12$279

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 agosto 14, 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

vie. 10/3

6:15 am-4:14 pm

1 stop8h 59m

Idaho Falls Fanning Field

lun. 10/6

7:40 pm-6:39 pm

1 stop23h 59m

$192

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

vie. 9/26

9:36 am-4:05 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 9/29

9:39 pm-1:33 pm

1 stop16h 54m

$196

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

dom. 10/26

7:40 pm-12:49 pm

1 stop16h 09m

Idaho Falls Fanning Field

vie. 10/31

10:57 pm-1:18 pm

1 stop15h 21m

$228

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

sáb. 8/23

3:31 pm-5:06 pm

2 stops24h 35m

Idaho Falls Fanning Field

lun. 8/25

5:41 pm-11:58 pm

1 stop7h 17m

$229

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

vie. 9/26

6:15 am-4:05 pm

1 stop8h 50m

Idaho Falls Fanning Field

vie. 9/26

10:55 pm-6:55 pm

1 stop21h 00m

$238

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

mié. 9/3

5:00 pm-10:27 pm

1 stop4h 27m

Idaho Falls Fanning Field

sáb. 9/6

6:52 pm-10:35 pm

1 stop4h 43m

$260

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

vie. 10/3

6:15 am-4:14 pm

1 stop8h 59m

Idaho Falls Fanning Field

dom. 10/5

10:13 pm-3:56 pm

1 stop18h 43m

$278

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

mié. 9/10

3:38 pm-7:53 pm

2 stops27h 15m

Idaho Falls Fanning Field

lun. 9/15

9:39 pm-10:56 am

1 stop14h 17m

$325

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

lun. 9/8

6:15 am-2:49 pm

1 stop7h 34m

$94

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

jue. 9/25

7:50 pm-4:05 pm

1 stop19h 15m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 results
1
2

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, October is the cheapest month in which you can book a flight from Los Angeles to Idaho Falls (average of $380). Flying from Los Angeles to Idaho Falls in December is currently the most expensive (average of $578). 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 agosto 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% 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 agosto 14, 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    According to our current data, Alaska Airlines ($219), Delta ($274), and United Airlines ($316) 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, October is the cheapest month in which you can book a flight from Los Angeles to Idaho Falls (average of $380). Flying from Los Angeles to Idaho Falls in December is currently the most expensive (average of $578). 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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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$219Average$325FlexibilityNo cancel feeOn-time75%
DeltaCheapest$274Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$316Average$534FlexibilityNo cancel feeOn-time69%

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