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

9 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 12,865 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 21 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, 8,538 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 ($174 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 or San Francisco, and flying into Idaho Falls, then you can expect flight times to average 2h 20m and 2h 13m, respectively.

$116 Cheap Flights to Idaho Falls in 2026

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Find the cheapest flights from the United States to Idaho Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:04 pm - 11:58 amLAX Los Angeles-IDA Idaho Falls Fanning Field

12h 54m1 stop Las Vegas Harry Reid Intl

10:49 pm - 10:24 amIDA Idaho Falls Fanning Field-LAX Los Angeles

12h 35m1 stop Las Vegas Harry Reid Intl

$270Multiple Airlines

Thu, Sep 24 - Fri, Oct 9

9:57 pm - 4:00 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

17h 03m1 stop Las Vegas Harry Reid Intl

9:33 pm - 4:20 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

19h 47m1 stop Las Vegas Harry Reid Intl

$271Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

5:45 am - 12:17 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 32m1 stop Salt Lake City

6:59 pm - 11:57 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 58m1 stop Salt Lake City

$277Delta

Wed, Dec 9 - Wed, Dec 9

3:10 pm - 10:39 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

6h 29m1 stop Seattle/Tacoma Intl

4:03 pm - 10:48 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

7h 45m1 stop Seattle/Tacoma Intl

$277Alaska Airlines

Sat, Dec 5 - Wed, Dec 9

3:10 pm - 10:39 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

6h 29m1 stop Seattle/Tacoma Intl

6:15 am - 1:42 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

8h 27m1 stop Seattle/Tacoma Intl

$277Alaska Airlines

Tue, Dec 8 - Wed, Dec 9

11:39 am - 6:17 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 38m1 stop Salt Lake City

6:59 pm - 11:57 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 58m1 stop Salt Lake City

$283Delta

Tue, Dec 8 - Sun, Dec 13

7:41 am - 1:09 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

7h 28m1 stop Dallas/Fort Worth

1:50 pm - 11:43 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

7h 53m1 stop Chicago O'Hare Intl

$359American Airlines

Fri, Oct 23 - Tue, Oct 27

6:00 am - 1:09 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

9h 09m1 stop Dallas/Fort Worth

1:35 pm - 10:38 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

7h 03m1 stop Dallas/Fort Worth

$369American Airlines

Fri, Oct 30 - Tue, Nov 3

8:45 am - 3:24 pmATL Atlanta Hartsfield-Jackson-IDA Idaho Falls Fanning Field

8h 39m1 stop Denver Intl

2:28 pm - 10:59 pmIDA Idaho Falls Fanning Field-ATL Atlanta Hartsfield-Jackson

6h 31m1 stop Denver Intl

$379United Airlines

Sun, Sep 27 - Wed, Sep 30

11:24 am - 3:24 pmATL Atlanta Hartsfield-Jackson-IDA Idaho Falls Fanning Field

6h 00m1 stop Denver Intl

10:35 am - 6:41 pmIDA Idaho Falls Fanning Field-ATL Atlanta Hartsfield-Jackson

6h 06m1 stop Denver Intl

$379United Airlines

Fri, Oct 23 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

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

4h 32m1 stop Salt Lake City

6:57 pm - 11:50 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 53m1 stop Salt Lake City

$303Delta

Tue, Sep 1 - Wed, Nov 25

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

4h 15m1 stop Salt Lake City

6:00 am - 8:52 amIDA Idaho Falls Fanning Field-LAX Los Angeles

3h 52m1 stop Salt Lake City

$321Delta

Tue, Sep 1 - Thu, Nov 26

7:29 am - 1:50 pmLGA New York LaGuardia-IDA Idaho Falls Fanning Field

8h 21m1 stop Dallas/Fort Worth

1:35 pm - 11:37 pmIDA Idaho Falls Fanning Field-LGA New York LaGuardia

8h 02m1 stop Dallas/Fort Worth

$401American Airlines

Tue, Sep 1 - Tue, Nov 17

6:56 am - 1:50 pmJFK New York John F Kennedy Intl-IDA Idaho Falls Fanning Field

8h 54m1 stop Dallas/Fort Worth

8:00 am - 6:50 pmIDA Idaho Falls Fanning Field-JFK New York John F Kennedy Intl

8h 50m1 stop Dallas/Fort Worth

$401American Airlines

Tue, Sep 1 - Tue, Nov 17

7:45 am - 3:23 pmLGA New York LaGuardia-IDA Idaho Falls Fanning Field

9h 38m1 stop Denver Intl

10:35 am - 7:54 pmIDA Idaho Falls Fanning Field-LGA New York LaGuardia

7h 19m1 stop Denver Intl

$403United Airlines

Tue, Sep 1 - Tue, Nov 17

9:10 am - 5:16 pmLGA New York LaGuardia-IDA Idaho Falls Fanning Field

10h 06m2 stops Chicago O'Hare Intl Denver Intl

2:35 pm - 11:15 pmIDA Idaho Falls Fanning Field-LGA New York LaGuardia

6h 40m1 stop Denver Intl

$408United Airlines

Tue, Sep 1 - Tue, Nov 17

7:03 am - 1:24 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

5h 21m1 stop Portland

3:46 pm - 11:59 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

9h 13m2 stops Portland San Francisco

$475Alaska Airlines

Tue, Sep 1 - Mon, Nov 23

9:29 pm - 8:54 amSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

10h 25m1 stop Las Vegas Harry Reid Intl

6:21 pm - 3:08 pmIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

21h 47m2 stops Las Vegas Harry Reid Intl Denver Intl

$477Multiple Airlines

Thu, Sep 3 - Mon, Sep 14

6:55 am - 1:24 pmEWR Newark-IDA Idaho Falls Fanning Field

8h 29m1 stop Portland

1:53 pm - 11:59 pmIDA Idaho Falls Fanning Field-EWR Newark

8h 06m1 stop Seattle/Tacoma Intl

$492Alaska Airlines

Tue, Sep 1 - Mon, Nov 16

9:29 pm - 8:54 amSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

10h 25m1 stop Las Vegas Harry Reid Intl

6:21 pm - 9:42 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

16h 21m1 stop Las Vegas Harry Reid Intl

$523Multiple Airlines

Thu, Sep 3 - Mon, Sep 14

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

12:30 pm - 3:20 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 50mnonstop

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

2h 11mnonstop

$294Alaska Airlines

Sat, Oct 10 - Sat, Oct 17

8:10 pm - 10:59 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

1:58 pm - 3:04 pmIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 06mnonstop

$297Alaska Airlines

Wed, Oct 7 - Tue, Oct 13

8:10 pm - 10:59 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

1:58 pm - 3:04 pmIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 06mnonstop

$297Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

12:30 pm - 3:20 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 50mnonstop

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

2h 11mnonstop

$297Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

8:10 pm - 10:59 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

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

2h 11mnonstop

$297Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

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

$305Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

8:10 pm - 10:59 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

1:58 pm - 3:04 pmIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 06mnonstop

$327Alaska Airlines

Sat, Oct 17 - Sun, Oct 18

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

$327Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

10:50 am - 1:15 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 25mnonstop

1:48 pm - 5:43 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

2h 55mnonstop

$385American Airlines

Tue, Feb 9 - Tue, Feb 16

10:50 am - 1:18 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 28mnonstop

8:00 am - 12:05 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

3h 05mnonstop

$385American Airlines

Tue, Feb 9 - Tue, Feb 16

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 9/24

10:04 pm-11:58 am

1 stop12h 54m

Idaho Falls Fanning Field

Fri 10/9

10:49 pm-10:24 am

1 stop12h 35m

$270

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Thu 10/15

9:57 pm-4:00 pm

1 stop17h 03m

Idaho Falls Fanning Field

Mon 10/19

9:33 pm-4:20 pm

1 stop19h 47m

$271

Quickest round-trip

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Wed 12/9

5:45 am-12:17 pm

1 stop5h 32m

Idaho Falls Fanning Field

Wed 12/9

6:59 pm-11:57 pm

1 stop5h 58m

$277

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Sat 12/5

3:10 pm-10:39 pm

1 stop6h 29m

Idaho Falls Fanning Field

Wed 12/9

4:03 pm-10:48 pm

1 stop7h 45m

$277

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Tue 12/8

3:10 pm-10:39 pm

1 stop6h 29m

Idaho Falls Fanning Field

Wed 12/9

6:15 am-1:42 pm

1 stop8h 27m

$277

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Tue 12/8

11:39 am-6:17 pm

1 stop5h 38m

Idaho Falls Fanning Field

Sun 12/13

6:59 pm-11:57 pm

1 stop5h 58m

$283

PittsburghIdaho Falls

PIT Pittsburgh - IDA Idaho Falls Fanning Field

PITIDA

Pittsburgh

Fri 10/23

7:41 am-1:09 pm

1 stop7h 28m

Idaho Falls Fanning Field

Tue 10/27

1:50 pm-11:43 pm

1 stop7h 53m

$359

PittsburghIdaho Falls

PIT Pittsburgh - IDA Idaho Falls Fanning Field

PITIDA

Pittsburgh

Fri 10/30

6:00 am-1:09 pm

1 stop9h 09m

Idaho Falls Fanning Field

Tue 11/3

1:35 pm-10:38 pm

1 stop7h 03m

$369

AtlantaIdaho Falls

ATL Atlanta Hartsfield-Jackson - IDA Idaho Falls Fanning Field

ATLIDA

Atlanta Hartsfield-Jackson

Sun 9/27

8:45 am-3:24 pm

1 stop8h 39m

Idaho Falls Fanning Field

Wed 9/30

2:28 pm-10:59 pm

1 stop6h 31m

$379

AtlantaIdaho Falls

ATL Atlanta Hartsfield-Jackson - IDA Idaho Falls Fanning Field

ATLIDA

Atlanta Hartsfield-Jackson

Fri 10/23

11:24 am-3:24 pm

1 stop6h 00m

Idaho Falls Fanning Field

Sat 10/24

10:35 am-6:41 pm

1 stop6h 06m

$379

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 Santa Ana, California found flights 11% 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	24% cheaper	Flying from Los Angeles to Idaho Falls costs on average just $293 in September
MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELES	December	40% more expensive	It costs about $540 for flights to Idaho Falls from Los Angeles in December
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	$116
Best Round-Trip Price	$270
Fastest flight time	5h 24m
Popular in	October

The best one-way flight price to Idaho Falls from United States in the last 5 days is $116 (Los Angeles 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 $270 (Los Angeles to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 5h 24m (Lambert-St Louis to Idaho Falls Fanning Field).

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October has the highest demand for flights to Idaho Falls, with a 1% 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.

Rexburg

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.