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

7 Alaska Airlines flights head to Idaho Falls on average each week. Most will be flying from Portland 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 12,931 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 7 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, 8,568 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 42m, respectively.

$128 Cheap Flights to Idaho Falls in 2026/27

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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.

10:31 am - 1:16 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 45mnonstop

3:55 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$257Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

10:30 am - 1:19 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 49mnonstop

3:58 pm - 4:50 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$257Alaska Airlines

Wed, Jan 20 - Sat, Jan 23

6:30 am - 1:34 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

8h 04m1 stop Las Vegas Harry Reid Intl

7:30 pm - 5:18 amIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

8h 48m1 stop Las Vegas Harry Reid Intl

$275Multiple Airlines

Fri, Oct 23 - Mon, Oct 26

5:15 pm - 10:10 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 55m1 stop Salt Lake City

6:56 pm - 11:47 pmIDA Idaho Falls Fanning Field-PDX Portland

5h 51m1 stop Salt Lake City

$297Delta

Thu, Oct 15 - Wed, Oct 21

5:15 pm - 10:10 pmPDX Portland-IDA Idaho Falls Fanning Field

3h 55m1 stop Salt Lake City

6:56 pm - 11:59 pmIDA Idaho Falls Fanning Field-PDX Portland

6h 03m2 stops Salt Lake City Seattle/Tacoma Intl

$302Delta

Thu, Oct 15 - Wed, Oct 21

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

$321American Airlines

Sat, Oct 24 - Sat, Oct 31

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

6:30 am - 2:39 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

9h 09m1 stop Las Vegas Harry Reid Intl

7:30 pm - 5:18 amIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

8h 48m1 stop Las Vegas Harry Reid Intl

$340Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

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

5h 53m1 stop Denver Intl

5:51 pm - 11:59 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

5h 08m1 stop Denver Intl

$341United Airlines

Tue, Oct 13 - Tue, Oct 20

7:00 am - 1:24 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 24m1 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

Sat, Oct 24 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

7:09 am - 1:37 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 28m1 stop Dallas/Fort Worth

12:15 pm - 9:09 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

7h 54m1 stop Dallas/Fort Worth

$470American Airlines

Sat, Sep 19 - Tue, Sep 22

5:25 am - 11:39 amCVG Cincinnati Cinci./N. Kentucky-IDA Idaho Falls Fanning Field

8h 14m1 stop Chicago O'Hare Intl

2:28 pm - 10:49 pmIDA Idaho Falls Fanning Field-CVG Cincinnati Cinci./N. Kentucky

6h 21m1 stop Denver Intl

$479United Airlines

Sat, Sep 19 - Tue, Sep 29

5:25 am - 1:29 pmCVG Cincinnati Cinci./N. Kentucky-IDA Idaho Falls Fanning Field

10h 04m2 stops Chicago O'Hare Intl Denver Intl

2:28 pm - 10:49 pmIDA Idaho Falls Fanning Field-CVG Cincinnati Cinci./N. Kentucky

6h 21m1 stop Denver Intl

$484United Airlines

Sat, Sep 19 - Tue, Sep 29

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

3h 43mnonstop

12:15 pm - 8:30 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

7h 15m1 stop Dallas/Fort Worth

$486American Airlines

Sun, Sep 20 - Wed, Sep 23

9:03 pm - 3:20 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

19h 17m1 stop Seattle/Tacoma Intl

2:01 pm - 11:59 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

8h 58m1 stop Seattle/Tacoma Intl

$503Alaska Airlines

Mon, Sep 21 - Sat, Sep 26

6:00 am - 12:15 pmJFK New York John F Kennedy Intl-IDA Idaho Falls Fanning Field

8h 15m1 stop Salt Lake City

6:57 pm - 6:26 amIDA Idaho Falls Fanning Field-JFK New York John F Kennedy Intl

9h 29m1 stop Salt Lake City

$518Delta

Mon, Sep 21 - Mon, Sep 28

2:21 pm - 10:22 pmCMH Columbus-IDA Idaho Falls Fanning Field

10h 01m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:57 pm - 10:01 amIDA Idaho Falls Fanning Field-CMH Columbus

13h 04m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$544Delta

Sat, Sep 19 - Mon, Sep 21

9:03 pm - 3:20 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

19h 17m1 stop Seattle/Tacoma Intl

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

20h 22m1 stop Portland

$548Alaska Airlines

Mon, Sep 21 - Sat, Sep 26

10:53 am - 12:04 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

24h 11m2 stops Ontario Las Vegas Harry Reid Intl

6:45 pm - 9:42 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

15h 57m1 stop Las Vegas Harry Reid Intl

$553Multiple Airlines

Thu, Sep 17 - Fri, Sep 25

9:45 pm - 12:04 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

13h 19m1 stop Las Vegas Harry Reid Intl

6:45 pm - 9:42 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

15h 57m1 stop Las Vegas Harry Reid Intl

$570Multiple Airlines

Thu, Sep 17 - Fri, Sep 25

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

10:31 am - 1:16 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 45mnonstop

3:55 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$257Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

10:30 am - 1:19 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 49mnonstop

3:58 pm - 4:50 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$257Alaska Airlines

Wed, Jan 20 - Sat, Jan 23

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:57 pm - 4:49 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$257Alaska Airlines

Wed, Oct 21 - Wed, Oct 28

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:57 pm - 4:49 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$267Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:57 pm - 4:49 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$267Alaska Airlines

Thu, Oct 15 - Wed, Oct 21

10:30 am - 1:21 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 51mnonstop

3:57 pm - 4:49 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 52mnonstop

$277Alaska Airlines

Fri, Oct 23 - Mon, Oct 26

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

1h 50mnonstop

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

2h 06mnonstop

$297Alaska Airlines

Sat, Oct 17 - Tue, Oct 20

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

Sat, Oct 17 - Tue, Oct 20

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

$321American Airlines

Sat, Oct 24 - Sat, Oct 31

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

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 11/7

10:31 am-1:16 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Sat 11/14

3:55 pm-4:48 pm

Nonstop1h 53m

$257

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 1/20

10:30 am-1:19 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Sat 1/23

3:58 pm-4:50 pm

Nonstop1h 52m

$257

DallasIdaho Falls

DFW Dallas/Fort Worth - IDA Idaho Falls Fanning Field

DFWIDA

Dallas/Fort Worth

Fri 10/23

6:30 am-1:34 pm

1 stop8h 04m

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-5:18 am

1 stop8h 48m

$275

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Thu 10/15

5:15 pm-10:10 pm

1 stop3h 55m

Idaho Falls Fanning Field

Wed 10/21

6:56 pm-11:47 pm

1 stop5h 51m

$297

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Thu 10/15

5:15 pm-10:10 pm

1 stop3h 55m

Idaho Falls Fanning Field

Wed 10/21

6:56 pm-11:59 pm

2 stops6h 03m

$302

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Sat 10/24

10:30 am-1:20 pm

Nonstop3h 50m

Idaho Falls Fanning Field

Sat 10/31

1:50 pm-6:24 pm

Nonstop3h 34m

$321

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

DallasIdaho Falls

DFW Dallas/Fort Worth - IDA Idaho Falls Fanning Field

DFWIDA

Dallas/Fort Worth

Mon 10/19

6:30 am-2:39 pm

1 stop9h 09m

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-5:18 am

1 stop8h 48m

$340

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Tue 10/13

5:00 am-9:53 am

1 stop5h 53m

Idaho Falls Fanning Field

Tue 10/20

5:51 pm-11:59 pm

1 stop5h 08m

$341

ChicagoIdaho Falls

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

ORDIDA

Chicago O'Hare Intl

Sat 10/24

7:00 am-1:24 pm

1 stop7h 24m

Idaho Falls Fanning Field

Sat 10/31

2:35 pm-9:30 pm

1 stop5h 55m

$341

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 30% 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	$128
Best Round-Trip Price	$257
Fastest flight time	3h 47m
Popular in	November

The best one-way flight price to Idaho Falls from United States in the last 5 days is $128 (Dallas/Fort Worth to Idaho Falls Fanning Field).

Search Deals

The best round-trip flight price to Idaho Falls from United States in the last 5 days is $257 (Portland to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 3h 47m (Seattle/Tacoma Intl to Idaho Falls Fanning Field).

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November has the highest demand for flights to Idaho Falls, with a 17% 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.