What airlines fly to Idaho Falls?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho Falls from Los Angeles according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 5 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Los Angeles to Idaho Falls Fanning Field?

Alaska Airlines is the most popular carrier operating from Los Angeles to Idaho Falls Fanning Field

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?

As of October 2026, there are 3 operators available to choose from 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.

$89 Cheap Flights from Los Angeles to Idaho Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Los Angeles to Idaho Falls

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One-way

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Cheap round-trip flights

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8:23 am - 11:46 amLAX Los Angeles-IDA Idaho Falls Fanning Field

26h 23m1 stop Las Vegas Harry Reid Intl

3:32 pm - 8:15 amIDA Idaho Falls Fanning Field-LAX Los Angeles

17h 43m1 stop Las Vegas Harry Reid Intl

$196Multiple Airlines

Tue, Nov 24 - Mon, Nov 30

7:00 am - 12:51 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

4h 51m1 stop Las Vegas Harry Reid Intl

4:05 pm - 11:55 amIDA Idaho Falls Fanning Field-LAX Los Angeles

20h 50m1 stop Las Vegas Harry Reid Intl

$213Multiple Airlines

Fri, Dec 4 - Sun, Dec 6

7:00 am - 3:15 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

7h 15m1 stop Las Vegas Harry Reid Intl

4:05 pm - 3:25 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

24h 20m1 stop Las Vegas Harry Reid Intl

$225Multiple Airlines

Thu, Dec 3 - Sun, Dec 6

7:00 am - 1:17 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 17m1 stop Portland

3:44 pm - 7:59 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 15m1 stop Portland

$261Alaska Airlines

Sat, Dec 5 - Sat, Dec 12

7:00 am - 1:17 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 17m1 stop Portland

3:44 pm - 7:59 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 15m1 stop Portland

$261Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

5:20 pm - 10:07 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

3h 47m1 stop Salt Lake City

6:59 pm - 11:56 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 57m1 stop Salt Lake City

$291Delta

Thu, Dec 3 - Tue, Dec 8

2:58 pm - 10:56 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

6h 58m1 stop Seattle/Tacoma Intl

3:44 pm - 7:59 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 15m1 stop Portland

$291Alaska Airlines

Fri, Dec 4 - Tue, Dec 8

5:20 pm - 10:07 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

3h 47m1 stop Salt Lake City

6:59 pm - 11:56 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 57m1 stop Salt Lake City

$321Delta

Thu, Dec 3 - Mon, Dec 7

5:20 pm - 10:07 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

3h 47m1 stop Salt Lake City

6:59 pm - 11:56 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 57m1 stop Salt Lake City

$321Delta

Thu, Dec 3 - Sun, Dec 6

7:00 am - 1:28 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 28m1 stop Denver Intl

5:30 pm - 10:55 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

6h 25m1 stop Denver Intl

$707United Airlines

Tue, Nov 24 - Tue, Nov 24

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Alaska Airlines flights from Los Angeles to Idaho Falls

Our best Alaska Airlines deals on Los Angeles to Idaho Falls flight tickets

Alaska Airlines

Dec 5

LAX7:00 amLos Angeles

5h 17m

1 stop

IDA1:17 pmIdaho Falls Fanning Field

Dec 8

IDA3:44 pmIdaho Falls Fanning Field

5h 15m

1 stop

LAX7:59 pmLos Angeles

$261

Alaska Airlines

Dec 25

LAX4:07 pmLos Angeles

6h 38m

1 stop

IDA11:45 pmIdaho Falls Fanning Field

Jan 2

IDA6:00 amIdaho Falls Fanning Field

7h 07m

1 stop

LAX12:07 pmLos Angeles

$341

Alaska Airlines

Dec 3

LAX1:50 pmLos Angeles

8h 06m

2 stops

IDA10:56 pmIdaho Falls Fanning Field

Dec 8

IDA3:44 pmIdaho Falls Fanning Field

5h 15m

1 stop

LAX7:59 pmLos Angeles

$358

Delta flights from Los Angeles to Idaho Falls

Our best Delta deals on Los Angeles to Idaho Falls flight tickets

Delta

Dec 3

LAX5:20 pmLos Angeles

3h 47m

1 stop

IDA10:07 pmIdaho Falls Fanning Field

Dec 8

IDA6:59 pmIdaho Falls Fanning Field

5h 57m

1 stop

LAX11:56 pmLos Angeles

$291

Delta

Dec 3

LAX5:20 pmLos Angeles

3h 47m

1 stop

IDA10:07 pmIdaho Falls Fanning Field

Dec 7

IDA6:59 pmIdaho Falls Fanning Field

5h 57m

1 stop

LAX11:56 pmLos Angeles

$321

Delta

Nov 23

LAX5:45 amLos Angeles

11h 32m

1 stop

IDA6:17 pmIdaho Falls Fanning Field

Nov 26

IDA1:11 pmIdaho Falls Fanning Field

4h 02m

1 stop

LAX4:13 pmLos Angeles

$410

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Tue 11/24

8:23 am-11:46 am

1 stop26h 23m

Idaho Falls Fanning Field

Mon 11/30

3:32 pm-8:15 am

1 stop17h 43m

$196

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Fri 12/4

7:00 am-12:51 pm

1 stop4h 51m

Idaho Falls Fanning Field

Sun 12/6

4:05 pm-11:55 am

1 stop20h 50m

$213

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 12/3

7:00 am-3:15 pm

1 stop7h 15m

Idaho Falls Fanning Field

Sun 12/6

4:05 pm-3:25 pm

1 stop24h 20m

$225

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Sat 12/5

7:00 am-1:17 pm

1 stop5h 17m

Idaho Falls Fanning Field

Sat 12/12

3:44 pm-7:59 pm

1 stop5h 15m

$261

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Sat 12/5

7:00 am-1:17 pm

1 stop5h 17m

Idaho Falls Fanning Field

Tue 12/8

3:44 pm-7:59 pm

1 stop5h 15m

$261

Quickest round-trip

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 12/3

5:20 pm-10:07 pm

1 stop3h 47m

Idaho Falls Fanning Field

Tue 12/8

6:59 pm-11:56 pm

1 stop5h 57m

$291

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Fri 12/4

2:58 pm-10:56 pm

1 stop6h 58m

Idaho Falls Fanning Field

Tue 12/8

3:44 pm-7:59 pm

1 stop5h 15m

$291

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 12/3

5:20 pm-10:07 pm

1 stop3h 47m

Idaho Falls Fanning Field

Mon 12/7

6:59 pm-11:56 pm

1 stop5h 57m

$321

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 12/3

5:20 pm-10:07 pm

1 stop3h 47m

Idaho Falls Fanning Field

Sun 12/6

6:59 pm-11:56 pm

1 stop5h 57m

$321

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Tue 11/24

7:00 am-1:28 pm

1 stop5h 28m

Idaho Falls Fanning Field

Tue 11/24

5:30 pm-10:55 pm

1 stop6h 25m

$707

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $300.

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

As of October 2026, prices for Los Angeles to Idaho Falls flights are approximately 42% more expensive when compared to flights at the same time last year.

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

Best Price Found	$89
Fastest flight time	5h 28m
Direct flights	None

The best one-way flight to Idaho Falls from Los Angeles in the past 72 hours is $89. The best round-trip flight deal from Los Angeles to Idaho Falls found on momondo in the last 72 hours is $196.

The fastest flight from Los Angeles to Idaho Falls takes 5h 28m

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. 5h 28m 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?
As of October 2026, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Los Angeles to Idaho Falls is Delta, representing 47% of all bookings. The subsequent popular airlines are Alaska Airlines at 32% and United Airlines at 20%.

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
Alaska Airlines	PriceFrom $228	Free Cancellation	Rating 7.9 13,127 reviews	Search Alaska Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.8 8,681 reviews	Search Delta flights
United Airlines	PriceFrom $387	Free Cancellation	Rating 7.3 10,444 reviews	Search United Airlines flights

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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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Cheap flights from Los Angeles to Idaho Falls from $89

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 11/12. 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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Alaska Airlines flights from Los Angeles to Idaho Falls

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

What is the cheapest month to fly to Idaho Falls?

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

What is the cheapest airline that flies from Los Angeles to Idaho Falls Fanning Field?

What airlines fly to Idaho Falls?

When to book flights from Los Angeles to Idaho Falls

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

Best Price Found

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Frequently asked questions about flying from Los Angeles to Idaho Falls

Best airlines flying from Los Angeles to Idaho Falls

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An easier way to manage your Idaho Falls trip

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