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Cheap flights from Los Angeles to Idaho Falls from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Idaho Falls departing on 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Los Angeles to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:56 pm - 8:57 am
LAX
-
IDA
18h 01m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$221Multiple Airlines
Thu, Jul 16 - Mon, Jul 20
Delta Logo
7:15 am - 2:36 pm
LAX
-
IDA
6h 21m
1 stop
Delta Logo
6:00 am - 8:50 am
IDA
-
LAX
3h 50m
1 stop
$231Delta
Wed, Jul 15 - Sat, Jul 18
Multiple Airlines Logo
6:30 am - 4:00 pm
LAX
-
IDA
8h 30m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$236Multiple Airlines
Fri, Jul 24 - Mon, Jul 27
Multiple Airlines Logo
11:47 am - 4:00 pm
LAX
-
IDA
27h 13m
1 stop
Multiple Airlines Logo
7:42 pm - 10:52 am
IDA
-
LAX
16h 10m
1 stop
$238Multiple Airlines
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
6:30 am - 4:00 pm
LAX
-
IDA
8h 30m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$241Multiple Airlines
Fri, Jul 24 - Mon, Jul 27
Multiple Airlines Logo
6:30 am - 4:00 pm
LAX
-
IDA
8h 30m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$248Multiple Airlines
Fri, Jul 17 - Mon, Jul 20
Multiple Airlines Logo
9:09 pm - 4:05 pm
LAX
-
IDA
17h 56m
1 stop
Multiple Airlines Logo
10:54 pm - 9:30 am
IDA
-
LAX
11h 36m
1 stop
$250Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
9:09 pm - 4:00 pm
LAX
-
IDA
17h 51m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$251Multiple Airlines
Thu, Jul 23 - Mon, Jul 27
Multiple Airlines Logo
6:30 am - 4:00 pm
LAX
-
IDA
8h 30m
1 stop
Multiple Airlines Logo
10:47 pm - 9:25 am
IDA
-
LAX
11h 38m
1 stop
$253Multiple Airlines
Fri, Jul 17 - Mon, Jul 20
Delta Logo
5:35 am - 10:43 am
LAX
-
IDA
4h 08m
1 stop
Delta Logo
7:00 pm - 9:45 pm
IDA
-
LAX
3h 45m
1 stop
$256Delta
Thu, Jul 16 - Tue, Jul 21

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Delta flights from Los Angeles to Idaho Falls

Our best Delta deals on Los Angeles to Idaho Falls flight tickets
Delta
Jul 15
LAX7:15 amLos Angeles
6h 21m
1 stop
IDA2:36 pmIdaho Falls Fanning Field
Jul 18
IDA6:00 amIdaho Falls Fanning Field
3h 50m
1 stop
LAX8:50 amLos Angeles
$231
Delta
Jul 16
LAX5:35 amLos Angeles
4h 08m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jul 21
IDA7:00 pmIdaho Falls Fanning Field
3h 45m
1 stop
LAX9:45 pmLos Angeles
$256
Delta
Jul 10
LAX9:55 amLos Angeles
3h 41m
1 stop
IDA2:36 pmIdaho Falls Fanning Field
Jul 17
IDA6:00 amIdaho Falls Fanning Field
5h 34m
1 stop
LAX10:34 amLos Angeles
$281

Alaska Airlines flights from Los Angeles to Idaho Falls

Our best Alaska Airlines deals on Los Angeles to Idaho Falls flight tickets
Alaska Airlines
Sep 23
LAX10:50 amLos Angeles
11h 06m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Sep 26
IDA3:57 pmIdaho Falls Fanning Field
7h 51m
1 stop
LAX10:48 pmLos Angeles
$301
Alaska Airlines
Jul 19
LAX7:00 amLos Angeles
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 21
IDA7:15 amIdaho Falls Fanning Field
7h 46m
1 stop
LAX2:01 pmLos Angeles
$310
Alaska Airlines
Jul 19
LAX7:00 amLos Angeles
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 23
IDA7:15 amIdaho Falls Fanning Field
6h 41m
1 stop
LAX12:56 pmLos Angeles
$339

momondo 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, momondo users made 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Los Angeles to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 7/16

1:56 pm-8:57 am

1 stop18h 01m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-9:25 am

1 stop11h 38m

$221

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 7/15

7:15 am-2:36 pm

1 stop6h 21m

Idaho Falls Fanning Field

Sat 7/18

6:00 am-8:50 am

1 stop3h 50m

$231

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 7/24

6:30 am-4:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-9:25 am

1 stop11h 38m

$236

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 10/1

11:47 am-4:00 pm

1 stop27h 13m

Idaho Falls Fanning Field

Mon 10/5

7:42 pm-10:52 am

1 stop16h 10m

$238

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 7/24

6:30 am-4:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-9:25 am

1 stop11h 38m

$241

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 7/17

6:30 am-4:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-9:25 am

1 stop11h 38m

$248

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 8/6

9:09 pm-4:05 pm

1 stop17h 56m

Idaho Falls Fanning Field

Mon 8/10

10:54 pm-9:30 am

1 stop11h 36m

$250

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 7/23

9:09 pm-4:00 pm

1 stop17h 51m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-9:25 am

1 stop11h 38m

$251

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 7/17

6:30 am-4:00 pm

1 stop8h 30m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-9:25 am

1 stop11h 38m

$253
Quickest round-trip

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 7/16

5:35 am-10:43 am

1 stop4h 08m

Idaho Falls Fanning Field

Tue 7/21

7:00 pm-9:45 pm

1 stop3h 45m

$256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Los Angeles to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Los Angeles and Idaho Falls?

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $325.

How have Los Angeles to Idaho Falls flight prices changed over time?

When to book flights from Los Angeles to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Los Angeles to Idaho Falls (LAX to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Idaho Falls

Fastest flight time

4h 08m

Direct flights

None
The fastest flight from Los Angeles to Idaho Falls takes 4h 08m
There are no direct flights from Los Angeles to Idaho Falls. There are no popular flight routes from Los Angeles to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Los Angeles to Idaho Falls

  • How far is Los Angeles to Idaho Falls Fanning Field by plane?

    There are 732.1 mi between Los Angeles and Idaho Falls Fanning Field. 4h 08m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Los Angeles Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Los Angeles Airport to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Los Angeles Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Los Angeles Airport to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Los Angeles to Idaho Falls?

Best airlines flying from Los Angeles to Idaho Falls

Compare and see reviews for airlines that fly from Los Angeles to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,819 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $240Free CancellationRating
7.9
12,504 reviews
Search Alaska Airlines flights
DeltaPriceFrom $289Free CancellationRating
7.9
8,405 reviews
Search Delta flights

Traveling to a place near Idaho Falls?

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

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Idaho Falls?

It is quick and easy to find Los Angeles to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

Can I find flights from Los Angeles to Idaho Falls with flexible booking policies on momondo?

Yes. All flights to Idaho Falls from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Los Angeles to Idaho Falls?

momondo provides multiple filters to help you find the best flight to Idaho Falls from Los Angeles. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Los Angeles to Idaho Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho Falls from Los Angeles are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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