Which airlines fly to Idaho Falls?

Based on our data, the most popular airlines that fly to Idaho Falls from United States are United Airlines, American Airlines, Delta and Alaska Airlines. There may also be other airline options depending on where in United States you’re flying from.

Alaska Airlines Flights to Idaho Falls

15 Alaska Airlines flights head to Idaho Falls on average each week. Most will be flying from Seattle/Tacoma Intl to Idaho Falls, the most popular route that Alaska Airlines operates to Idaho Falls. Prices vary based on when and where you fly from - the cheapest Alaska Airlines flight to Idaho Falls found in the past 3 days on momondo was $238, departing from Boston Logan Intl. Alaska Airlines is the most popular choice on momondo for this route and has been scored 7.9/10 by 12,786 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 16 times per week usually, making it a popular airline to fly with, particularly when heading to Idaho Falls from Salt Lake City. Delta (rating: 7.8, 8,500 reviews) varies in price depending on when and where you want to fly to Idaho Falls from. The best Delta ticket price found on momondo to Idaho Falls was from Atlanta Hartsfield-Jackson ($149 round-trip).

How long does it take to fly to Idaho Falls?

If you’re flying from a popular airport in United States, such as Los Angeles Los Angeles or San Francisco, and flying into Idaho Falls, then you can expect flight times to average 2h 20m and 2h 12m, respectively.

$94 Cheap Flights to Idaho Falls in 2026

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Find the cheapest flights from the United States to Idaho Falls

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 12:04 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

20h 14m1 stop Las Vegas Harry Reid Intl

6:21 pm - 4:23 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

23h 02m1 stop Las Vegas Harry Reid Intl

$174Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

2:50 pm - 12:04 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

20h 14m1 stop Las Vegas Harry Reid Intl

6:21 pm - 4:23 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

23h 02m1 stop Las Vegas Harry Reid Intl

$178Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

8:05 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

5:51 pm - 7:43 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 52mnonstop

$259United Airlines

Thu, Oct 1 - Sat, Oct 10

1:40 pm - 3:24 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 44mnonstop

5:40 pm - 7:30 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$259United Airlines

Fri, Oct 23 - Sun, Oct 25

1:10 pm - 10:59 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

8h 49m1 stop Seattle/Tacoma Intl

3:57 pm - 8:45 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

5h 48m1 stop Portland

$277Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

3:47 pm - 10:56 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

6h 09m1 stop Seattle/Tacoma Intl

6:09 am - 11:22 amIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

6h 13m1 stop Seattle/Tacoma Intl

$277Alaska Airlines

Wed, Sep 30 - Tue, Oct 6

10:45 am - 1:28 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 43mnonstop

1:58 pm - 6:35 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 37mnonstop

$281American Airlines

Sat, Sep 19 - Tue, Sep 22

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

$300American Airlines

Fri, Oct 23 - Tue, Oct 27

7:35 am - 12:22 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 47m1 stop Salt Lake City

1:05 pm - 9:36 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

7h 31m2 stops Salt Lake City Minneapolis St Paul

$325Delta

Fri, Oct 23 - Tue, Oct 27

5:00 pm - 10:32 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

4h 32m1 stop Salt Lake City

6:00 am - 8:45 amIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

3h 45m1 stop Salt Lake City

$331Delta

Wed, Aug 26 - Sat, Aug 29

Cheap last minute flights

Enter your travel dates to find the best prices.

11:50 am - 1:29 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 39mnonstop

2:25 pm - 4:15 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$319United Airlines

Tue, Aug 11 - Tue, Aug 18

5:35 am - 10:50 amLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

4h 15m1 stop Salt Lake City

6:57 pm - 10:10 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

4h 13m1 stop Salt Lake City

$321Delta

Tue, Aug 11 - Fri, Sep 11

5:35 am - 10:50 amLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

4h 15m1 stop Salt Lake City

6:57 pm - 10:10 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

4h 13m1 stop Salt Lake City

$321Delta

Tue, Aug 11 - Fri, Sep 11

1:39 pm - 3:23 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 44mnonstop

4:04 pm - 5:58 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 54mnonstop

$349United Airlines

Thu, Aug 13 - Sun, Aug 16

7:00 am - 1:06 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

5h 06m1 stop Portland

6:18 am - 12:56 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

7h 38m1 stop Seattle/Tacoma Intl

$354Alaska Airlines

Tue, Aug 11 - Wed, Sep 9

7:00 am - 1:06 pmLAX Los Angeles Los Angeles-IDA Idaho Falls Fanning Field

5h 06m1 stop Portland

6:18 am - 12:56 pmIDA Idaho Falls Fanning Field-LAX Los Angeles Los Angeles

7h 38m1 stop Seattle/Tacoma Intl

$354Alaska Airlines

Tue, Aug 11 - Wed, Sep 9

5:00 am - 11:30 amORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 30m1 stop Dallas/Fort Worth

1:43 pm - 6:18 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 35mnonstop

$390American Airlines

Wed, Aug 12 - Wed, Aug 19

5:00 am - 11:30 amORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 30m1 stop Dallas/Fort Worth

1:43 pm - 6:18 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 35mnonstop

$391American Airlines

Wed, Aug 12 - Wed, Aug 19

8:53 pm - 4:05 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

18h 12m1 stop Las Vegas Harry Reid Intl

10:54 pm - 10:39 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

12h 45m1 stop Las Vegas Harry Reid Intl

$439Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

12:19 pm - 4:05 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

26h 46m2 stops Ontario Las Vegas Harry Reid Intl

10:54 pm - 10:39 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

12h 45m1 stop Las Vegas Harry Reid Intl

$448Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

1:40 pm - 3:24 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 44mnonstop

5:40 pm - 7:30 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$259United Airlines

Thu, Oct 22 - Sun, Oct 25

8:05 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

5:51 pm - 7:43 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 52mnonstop

$259United Airlines

Thu, Oct 1 - Sat, Oct 10

3:35 pm - 5:16 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 41mnonstop

4:04 pm - 5:58 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 54mnonstop

$259United Airlines

Fri, Sep 4 - Fri, Sep 11

8:05 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

4:05 pm - 5:59 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 54mnonstop

$259United Airlines

Thu, Oct 8 - Sun, Oct 11

10:45 am - 1:28 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 43mnonstop

1:58 pm - 6:35 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 37mnonstop

$281American Airlines

Sat, Sep 19 - Tue, Sep 22

12:28 pm - 3:20 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 52mnonstop

6:18 am - 7:20 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 02mnonstop

$297Alaska Airlines

Sat, Sep 12 - Tue, Sep 15

8:05 pm - 10:56 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 51mnonstop

6:09 am - 7:20 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 11mnonstop

$297Alaska Airlines

Wed, Sep 30 - Sat, Oct 3

12:28 pm - 3:20 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 52mnonstop

6:09 am - 7:20 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 11mnonstop

$297Alaska Airlines

Wed, Sep 30 - Sat, Oct 3

10:30 am - 1:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 50mnonstop

1:50 pm - 6:24 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 34mnonstop

$300American Airlines

Fri, Oct 23 - Tue, Oct 27

10:45 am - 1:28 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 43mnonstop

1:58 pm - 6:35 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

3h 37mnonstop

$300American Airlines

Sat, Sep 26 - Sun, Oct 4

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIdaho Falls

LAX Los Angeles Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles Los Angeles

Thu 9/17

2:50 pm-12:04 pm

1 stop20h 14m

Idaho Falls Fanning Field

Mon 9/21

6:21 pm-4:23 pm

1 stop23h 02m

$174

Los AngelesIdaho Falls

LAX Los Angeles Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles Los Angeles

Thu 9/17

2:50 pm-12:04 pm

1 stop20h 14m

Idaho Falls Fanning Field

Mon 9/21

6:21 pm-4:23 pm

1 stop23h 02m

$178

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/1

8:05 am-9:53 am

Nonstop1h 48m

Idaho Falls Fanning Field

Sat 10/10

5:51 pm-7:43 pm

Nonstop1h 52m

$259

Quickest round-trip

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Fri 10/23

1:40 pm-3:24 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Sun 10/25

5:40 pm-7:30 pm

Nonstop1h 50m

$259

Los AngelesIdaho Falls

LAX Los Angeles Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles Los Angeles

Wed 10/28

1:10 pm-10:59 pm

1 stop8h 49m

Idaho Falls Fanning Field

Sat 10/31

3:57 pm-8:45 pm

1 stop5h 48m

$277

Los AngelesIdaho Falls

LAX Los Angeles Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles Los Angeles

Wed 9/30

3:47 pm-10:56 pm

1 stop6h 09m

Idaho Falls Fanning Field

Tue 10/6

6:09 am-11:22 am

1 stop6h 13m

$277

ChicagoIdaho Falls

ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field

ORDIDA

Chicago O'Hare Intl

Sat 9/19

10:45 am-1:28 pm

Nonstop3h 43m

Idaho Falls Fanning Field

Tue 9/22

1:58 pm-6:35 pm

Nonstop3h 37m

$281

ChicagoIdaho Falls

ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field

ORDIDA

Chicago O'Hare Intl

Fri 10/23

10:30 am-1:20 pm

Nonstop3h 50m

Idaho Falls Fanning Field

Tue 10/27

1:50 pm-6:24 pm

Nonstop3h 34m

$300

ChicagoIdaho Falls

ORD Chicago O'Hare Intl - IDA Idaho Falls Fanning Field

ORDIDA

Chicago O'Hare Intl

Fri 10/23

7:35 am-12:22 pm

1 stop5h 47m

Idaho Falls Fanning Field

Tue 10/27

1:05 pm-9:36 pm

2 stops7h 31m

$325

Los AngelesIdaho Falls

LAX Los Angeles Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles Los Angeles

Wed 8/26

5:00 pm-10:32 pm

1 stop4h 32m

Idaho Falls Fanning Field

Sat 8/29

6:00 am-8:45 am

1 stop3h 45m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Idaho Falls flights insights and trends

Explore insights for your Idaho Falls flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $416.

What is the absolute cheapest flight to Idaho Falls?

Users booking trips to Idaho Falls from Las Vegas found flights 78% cheaper than the average price of flights to Idaho Falls. To find the cheapest price to Idaho Falls from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

Cheapest flights to Idaho Falls Fanning Field

Find the cheapest flights to Idaho Falls Fanning Field from your nearest city or airport

Find flights from Los Angeles to Idaho Falls

CHEAPEST MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELES	September	25% cheaper	Flying from Los Angeles to Idaho Falls costs on average just $289 in September
MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELES	August	43% more expensive	It costs about $550 for flights to Idaho Falls from Los Angeles in August
MOST POPULAR MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELES	July	366% more users visited	More momondo users searched in flights to Idaho Falls from Los Angeles in July than any other month

Cheap Idaho Falls flight deals and tips

Summary info about Idaho Falls flight prices, duration and airlines

Best One-Way Price	$94
Best Round-Trip Price	$174
Fastest flight time	15h 55m
Popular in	October

The best one-way flight price to Idaho Falls from United States in the last 5 days is $94 (Phoenix Sky Harbor Intl to Idaho Falls Fanning Field).

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The best round-trip flight price to Idaho Falls from United States in the last 5 days is $174 (Los Angeles Los Angeles to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 15h 55m (Chicago O'Hare Intl to Idaho Falls Fanning Field).

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October has the highest demand for flights to Idaho Falls, with a 20% price increase on average.

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Frequently asked questions about flying to Idaho Falls

Is there an alternative airport near Idaho Falls?

Finding an alternative and possibly cheaper destination airport near Idaho Falls is possible. If you are planning a flight to Idaho Falls, consider booking flights to Idaho Falls Fanning Field Airport (4 mi from Idaho Falls city center), Pocatello Airport (48 mi from Idaho Falls city center) or West Yellowstone Airport (96 mi from Idaho Falls city center).

Is there a cheaper alternative to flying into Idaho Falls?

Pocatello Airport has an average price of $152 per person and is typically the cheapest airport to fly into when visiting Idaho Falls. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

When did momondo last update prices for flights to Idaho Falls Fanning Field Airport?

Prices for flights to Idaho Falls Fanning Field Airport are updated daily.

How many operators does momondo search for flights to Idaho Falls Fanning Field Airport?

As of August 2026, there are 5 operators available to choose from for flights to Idaho Falls Fanning Field Airport.

How old do you have to be to fly to Idaho Falls Fanning Field Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Idaho Falls Fanning Field Airport.

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

The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls.

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

Flights to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Idaho Falls?

Once all potential Idaho Falls flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.