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Cheap flights from Los Angeles to Idaho Falls from $109

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Los Angeles to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:46 am - 4:43 pm
LAX
-
IDA
6h 57m
1 stop
Alaska Airlines Logo
5:20 pm - 9:50 pm
IDA
-
LAX
5h 30m
1 stop
$229Alaska Airlines
Tue, Feb 24 - Wed, Mar 4
Alaska Airlines Logo
4:00 pm - 11:36 pm
LAX
-
IDA
6h 36m
1 stop
Alaska Airlines Logo
5:20 pm - 11:59 pm
IDA
-
LAX
7h 39m
1 stop
$261Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
9:12 am - 3:31 pm
LAX
-
IDA
5h 19m
1 stop
Multiple Airlines Logo
10:31 pm - 8:15 am
IDA
-
LAX
10h 44m
1 stop
$267Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Alaska Airlines Logo
8:46 am - 4:43 pm
LAX
-
IDA
6h 57m
1 stop
Alaska Airlines Logo
8:00 am - 1:29 pm
IDA
-
LAX
6h 29m
1 stop
$278Alaska Airlines
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
9:12 am - 3:31 pm
LAX
-
IDA
5h 19m
1 stop
Multiple Airlines Logo
7:14 pm - 7:06 am
IDA
-
LAX
12h 52m
1 stop
$283Multiple Airlines
Fri, Feb 20 - Sun, Feb 22
Alaska Airlines Logo
8:46 am - 4:43 pm
LAX
-
IDA
6h 57m
1 stop
Alaska Airlines Logo
5:20 pm - 11:59 pm
IDA
-
LAX
7h 39m
1 stop
$296Alaska Airlines
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
9:12 am - 3:31 pm
LAX
-
IDA
5h 19m
1 stop
Multiple Airlines Logo
10:31 pm - 3:45 pm
IDA
-
LAX
18h 14m
2 stops
$297Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Delta Logo
5:40 am - 12:22 pm
LAX
-
IDA
5h 42m
1 stop
Delta Logo
6:35 pm - 11:56 pm
IDA
-
LAX
6h 21m
1 stop
$302Delta
Thu, Feb 19 - Wed, Feb 25
Alaska Airlines Logo
10:00 am - 5:19 pm
LAX
-
IDA
6h 19m
1 stop
Alaska Airlines Logo
5:59 pm - 10:55 pm
IDA
-
LAX
5h 56m
1 stop
$313Alaska Airlines
Tue, Mar 24 - Fri, Mar 27
Delta Logo
5:10 pm - 10:57 pm
LAX
-
IDA
4h 47m
1 stop
Delta Logo
5:25 am - 10:35 am
IDA
-
LAX
6h 10m
1 stop
$321Delta
Tue, Feb 10 - Wed, Feb 11

Alaska Airlines flights from Los Angeles to Idaho Falls

Our best Alaska Airlines deals on Los Angeles to Idaho Falls flight tickets
Alaska Airlines
Feb 24
LAX8:46 amLos Angeles
6h 57m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 4
IDA5:20 pmIdaho Falls Fanning Field
5h 30m
1 stop
LAX9:50 pmLos Angeles
$229
Alaska Airlines
Feb 26
LAX4:00 pmLos Angeles
6h 36m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
Mar 2
IDA5:20 pmIdaho Falls Fanning Field
7h 39m
1 stop
LAX11:59 pmLos Angeles
$261
Alaska Airlines
Mar 4
LAX8:46 amLos Angeles
6h 57m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 8
IDA8:00 amIdaho Falls Fanning Field
6h 29m
1 stop
LAX1:29 pmLos Angeles
$278

United Airlines flights from Los Angeles to Idaho Falls

Our best United Airlines deals on Los Angeles to Idaho Falls flight tickets
United Airlines
Feb 9
LAX7:01 amLos Angeles
5h 29m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Feb 12
IDA10:45 amIdaho Falls Fanning Field
5h 41m
1 stop
LAX3:26 pmLos Angeles
$517
United Airlines
Feb 9
LAX5:00 amLos Angeles
7h 30m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Feb 13
IDA5:33 pmIdaho Falls Fanning Field
6h 22m
1 stop
LAX10:55 pmLos Angeles
$587

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 January 26, 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

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 2/24

8:46 am-4:43 pm

1 stop6h 57m

Idaho Falls Fanning Field

Wed 3/4

5:20 pm-9:50 pm

1 stop5h 30m

$229

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

4:00 pm-11:36 pm

1 stop6h 36m

Idaho Falls Fanning Field

Mon 3/2

5:20 pm-11:59 pm

1 stop7h 39m

$261

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/13

9:12 am-3:31 pm

1 stop5h 19m

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-8:15 am

1 stop10h 44m

$267

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Wed 3/4

8:46 am-4:43 pm

1 stop6h 57m

Idaho Falls Fanning Field

Sun 3/8

8:00 am-1:29 pm

1 stop6h 29m

$278

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

$283

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Mon 3/2

8:46 am-4:43 pm

1 stop6h 57m

Idaho Falls Fanning Field

Thu 3/5

5:20 pm-11:59 pm

1 stop7h 39m

$296

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Fri 2/13

9:12 am-3:31 pm

1 stop5h 19m

Idaho Falls Fanning Field

Mon 2/16

10:31 pm-3:45 pm

2 stops18h 14m

$297

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

Tue 3/24

10:00 am-5:19 pm

1 stop6h 19m

Idaho Falls Fanning Field

Fri 3/27

5:59 pm-10:55 pm

1 stop5h 56m

$313

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Tue 2/10

5:10 pm-10:57 pm

1 stop4h 47m

Idaho Falls Fanning Field

Wed 2/11

5:25 am-10:35 am

1 stop6h 10m

$321

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 cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $314.

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 14m

Direct flights

None
The fastest flight from Los Angeles to Idaho Falls takes 4h 14m
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

  • 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 14m 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
DeltaPriceFrom $205Free CancellationRating
7.9
8,113 reviews
Search Delta flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,199 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $240Free CancellationRating
8.0
11,792 reviews
Search Alaska Airlines 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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