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

14 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 $228, 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 12,904 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 9 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, 8,553 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 Miami, and flying into Idaho Falls, then you can expect flight times to average 2h 20m and 6h 49m, respectively.

$93 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.

10:23 pm - 1:34 pmSFO San Francisco-IDA Idaho Falls Fanning Field

14h 11m1 stop Las Vegas Harry Reid Intl

7:47 pm - 8:19 amIDA Idaho Falls Fanning Field-SFO San Francisco

13h 32m1 stop Las Vegas Harry Reid Intl

$182Multiple Airlines

Thu, Oct 29 - Mon, Nov 9

10:23 pm - 1:34 pmSFO San Francisco-IDA Idaho Falls Fanning Field

14h 11m1 stop Las Vegas Harry Reid Intl

7:47 pm - 8:32 pmIDA Idaho Falls Fanning Field-SFO San Francisco

25h 45m2 stops Las Vegas Harry Reid Intl Los Angeles

$188Multiple Airlines

Thu, Oct 29 - Mon, Nov 9

1:20 pm - 6:16 pmSFO San Francisco-IDA Idaho Falls Fanning Field

3h 56m1 stop Salt Lake City

6:56 pm - 9:50 pmIDA Idaho Falls Fanning Field-SFO San Francisco

3h 54m1 stop Salt Lake City

$321Delta

Tue, Oct 13 - Thu, Oct 15

9:00 am - 3:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 20m1 stop Seattle/Tacoma Intl

6:09 am - 4:50 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

9h 41m1 stop Seattle/Tacoma Intl

$321Alaska Airlines

Sat, Oct 24 - Tue, Oct 27

7:00 am - 3:20 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

9h 20m1 stop Seattle/Tacoma Intl

6:09 am - 4:50 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

9h 41m1 stop Seattle/Tacoma Intl

$321Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

7:10 am - 6:16 pmSFO San Francisco-IDA Idaho Falls Fanning Field

10h 06m2 stops Los Angeles Salt Lake City

6:56 pm - 9:50 pmIDA Idaho Falls Fanning Field-SFO San Francisco

3h 54m1 stop Salt Lake City

$326Delta

Tue, Oct 13 - Thu, Oct 15

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

$339American Airlines

Fri, Oct 23 - Mon, Oct 26

8:40 am - 3:38 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 58m1 stop Denver Intl

2:35 pm - 9:30 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

5h 55m1 stop Denver Intl

$341United Airlines

Wed, Nov 4 - Wed, Nov 11

5:10 am - 9:53 amSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

5h 43m1 stop Denver Intl

4:05 pm - 11:44 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

6h 39m1 stop Denver Intl

$349United Airlines

Sat, Oct 3 - Sat, Oct 3

6:00 am - 1:05 pmSTL Lambert-St Louis-IDA Idaho Falls Fanning Field

8h 05m1 stop Dallas/Fort Worth

1:35 pm - 9:59 pmIDA Idaho Falls Fanning Field-STL Lambert-St Louis

7h 24m1 stop Dallas/Fort Worth

$349American Airlines

Thu, Dec 10 - Sat, Dec 12

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$439American Airlines

Sat, Sep 12 - Thu, Sep 17

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

3h 43mnonstop

2:08 pm - 12:14 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

9h 06m1 stop Dallas/Fort Worth

$449American Airlines

Sat, Sep 12 - Thu, Sep 17

11:29 am - 1:37 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 08mnonstop

2:08 pm - 6:06 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

2h 58mnonstop

$455American Airlines

Sat, Sep 12 - Tue, Sep 15

12:29 pm - 10:22 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

10h 53m2 stops Minneapolis St Paul Salt Lake City

6:00 am - 11:55 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

4h 55m1 stop Salt Lake City

$464Delta

Tue, Sep 15 - Sun, Sep 20

5:00 am - 9:53 amORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 53m1 stop Denver Intl

4:04 pm - 11:59 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

6h 55m1 stop Denver Intl

$479United Airlines

Sat, Sep 12 - Thu, Sep 17

7:23 am - 1:24 pmSFO San Francisco-IDA Idaho Falls Fanning Field

5h 01m1 stop Portland

3:57 pm - 7:54 pmIDA Idaho Falls Fanning Field-SFO San Francisco

4h 57m1 stop Portland

$491Alaska Airlines

Sat, Sep 12 - Sat, Sep 19

2:26 pm - 1:24 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

23h 58m1 stop Portland

3:57 pm - 1:19 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

20h 22m1 stop Portland

$525Alaska Airlines

Sat, Sep 12 - Tue, Sep 15

12:45 pm - 5:16 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 31m1 stop Denver Intl

5:53 pm - 11:59 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

5h 06m1 stop Denver Intl

$549United Airlines

Tue, Sep 15 - Sun, Sep 20

12:29 pm - 10:22 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

10h 53m2 stops Minneapolis St Paul Salt Lake City

6:00 am - 11:55 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

4h 55m1 stop Salt Lake City

$613Delta

Tue, Sep 15 - Sun, Sep 20

12:29 pm - 10:22 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

10h 53m2 stops Minneapolis St Paul Salt Lake City

6:00 am - 11:55 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

4h 55m1 stop Salt Lake City

$633Delta

Tue, Sep 15 - Sun, Sep 20

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

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

$339American Airlines

Fri, Oct 23 - Mon, Oct 26

10:50 am - 1:09 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 19mnonstop

6:18 am - 10:23 amIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

3h 05mnonstop

$385American Airlines

Sat, Oct 17 - Sat, Oct 31

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 - 1:09 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 19mnonstop

1:39 pm - 5:35 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

2h 56mnonstop

$385American Airlines

Sat, Oct 17 - Sat, Oct 31

7:24 pm - 9:42 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 18mnonstop

1:39 pm - 5:35 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

2h 56mnonstop

$420American Airlines

Sat, Oct 17 - Sat, Oct 24

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

$428American Airlines

Wed, Oct 7 - Wed, Oct 14

7:24 pm - 9:42 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 18mnonstop

6:37 am - 10:42 amIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

3h 05mnonstop

$461American Airlines

Sat, Oct 10 - Tue, Oct 13

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

$491American Airlines

Wed, Oct 7 - Wed, Oct 14

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

$573American Airlines

Sat, Oct 10 - Fri, Oct 16

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

$597American Airlines

Tue, Oct 20 - Fri, Oct 23

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIdaho Falls

SFO San Francisco - IDA Idaho Falls Fanning Field

SFOIDA

San Francisco

Thu 10/29

10:23 pm-1:34 pm

1 stop14h 11m

Idaho Falls Fanning Field

Mon 11/9

7:47 pm-8:19 am

1 stop13h 32m

$182

San FranciscoIdaho Falls

SFO San Francisco - IDA Idaho Falls Fanning Field

SFOIDA

San Francisco

Thu 10/29

10:23 pm-1:34 pm

1 stop14h 11m

Idaho Falls Fanning Field

Mon 11/9

7:47 pm-8:32 pm

2 stops25h 45m

$188

San FranciscoIdaho Falls

SFO San Francisco - IDA Idaho Falls Fanning Field

SFOIDA

San Francisco

Tue 10/13

1:20 pm-6:16 pm

1 stop3h 56m

Idaho Falls Fanning Field

Thu 10/15

6:56 pm-9:50 pm

1 stop3h 54m

$321

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Sat 10/24

9:00 am-3:20 pm

1 stop7h 20m

Idaho Falls Fanning Field

Tue 10/27

6:09 am-4:50 pm

1 stop9h 41m

$321

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Sat 10/24

7:00 am-3:20 pm

1 stop9h 20m

Idaho Falls Fanning Field

Wed 10/28

6:09 am-4:50 pm

1 stop9h 41m

$321

San FranciscoIdaho Falls

SFO San Francisco - IDA Idaho Falls Fanning Field

SFOIDA

San Francisco

Tue 10/13

7:10 am-6:16 pm

2 stops10h 06m

Idaho Falls Fanning Field

Thu 10/15

6:56 pm-9:50 pm

1 stop3h 54m

$326

Quickest round-trip

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

Mon 10/26

1:50 pm-6:24 pm

Nonstop3h 34m

$339

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Wed 11/4

8:40 am-3:38 pm

1 stop7h 58m

Idaho Falls Fanning Field

Wed 11/11

2:35 pm-9:30 pm

1 stop5h 55m

$341

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Sat 10/3

5:10 am-9:53 am

1 stop5h 43m

Idaho Falls Fanning Field

Sat 10/3

4:05 pm-11:44 pm

1 stop6h 39m

$349

St. LouisIdaho Falls

STL Lambert-St Louis - IDA Idaho Falls Fanning Field

STLIDA

Lambert-St Louis

Thu 12/10

6:00 am-1:05 pm

1 stop8h 05m

Idaho Falls Fanning Field

Sat 12/12

1:35 pm-9:59 pm

1 stop7h 24m

$349

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 25% 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	21% 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	46% 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	October	240% more users visited	More momondo users searched in flights to Idaho Falls from Los Angeles in October 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	$93
Best Round-Trip Price	$182
Fastest flight time	6h 40m
Popular in	November

The best one-way flight price to Idaho Falls from United States in the last 5 days is $93 (San Francisco 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 $182 (San Francisco to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 6h 40m (Baltimore/Washington to Idaho Falls Fanning Field).

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November has the highest demand for flights to Idaho Falls, with a 15% 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 September 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.