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

13 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 12,840 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 22 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, 8,518 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 12m, 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.

5:23 pm - 11:58 amPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

17h 35m1 stop Las Vegas Harry Reid Intl

6:21 pm - 11:59 amIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

18h 38m1 stop Las Vegas Harry Reid Intl

$180Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

5:23 pm - 12:04 pmPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

17h 41m1 stop Las Vegas Harry Reid Intl

6:21 pm - 11:59 amIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

18h 38m1 stop Las Vegas Harry Reid Intl

$193Multiple Airlines

Thu, Sep 17 - Mon, Sep 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

$237Alaska Airlines

Sat, Oct 3 - Sat, Oct 10

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

$237Alaska Airlines

Tue, Oct 6 - Sat, Oct 10

5:33 am - 12:22 pmPDX Portland-IDA Idaho Falls Fanning Field

5h 49m1 stop Salt Lake City

6:00 am - 8:50 amIDA Idaho Falls Fanning Field-PDX Portland

3h 50m1 stop Salt Lake City

$247Delta

Tue, Oct 6 - Sat, Oct 10

5:30 am - 12:22 pmPDX Portland-IDA Idaho Falls Fanning Field

5h 52m2 stops Seattle/Tacoma Intl Salt Lake City

6:00 am - 8:50 amIDA Idaho Falls Fanning Field-PDX Portland

3h 50m1 stop Salt Lake City

$252Delta

Tue, Oct 6 - Sat, Oct 10

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

1h 41mnonstop

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

1h 52mnonstop

$259United Airlines

Sat, Oct 17 - Sat, Oct 24

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

1h 44mnonstop

4:05 pm - 5:57 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 52mnonstop

$259United Airlines

Fri, Oct 2 - Tue, Oct 6

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 - Wed, Oct 28

1:46 pm - 9:42 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

8h 56m1 stop Dallas/Fort Worth

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

3h 34mnonstop

$310American Airlines

Fri, Oct 23 - Wed, Oct 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:29 pm - 9:18 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

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

1h 54mnonstop

$379United Airlines

Fri, Aug 28 - Tue, Sep 1

10:35 am - 1:09 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

3h 34mnonstop

2:20 pm - 12:18 amIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

8h 58m1 stop Dallas/Fort Worth

$391American Airlines

Wed, Aug 26 - Tue, Sep 1

4:20 pm - 9:18 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 58m1 stop Denver Intl

4:04 pm - 10:46 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

5h 42m1 stop Denver Intl

$401United Airlines

Wed, Aug 26 - Tue, Sep 1

7:00 am - 1:50 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

7h 50m1 stop Dallas/Fort Worth

12:06 pm - 9:16 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

8h 10m1 stop Dallas/Fort Worth

$401American Airlines

Tue, Aug 25 - Tue, Sep 1

5:35 am - 10:50 amDEN Denver Intl-IDA Idaho Falls Fanning Field

5h 15m1 stop Salt Lake City

6:00 am - 9:14 amIDA Idaho Falls Fanning Field-DEN Denver Intl

3h 14m1 stop Salt Lake City

$414Delta

Fri, Aug 28 - Tue, Sep 1

6:28 pm - 10:32 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

4h 04m1 stop Salt Lake City

3:17 pm - 8:01 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

4h 44m1 stop Salt Lake City

$424Delta

Wed, Aug 26 - Sat, Aug 29

12:20 pm - 10:22 amPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

21h 02m2 stops Santa Ana J. Wayne/Orange Cnty Las Vegas Harry Reid Intl

8:33 pm - 12:59 pmIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

17h 26m1 stop Las Vegas Harry Reid Intl

$474Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

10:30 pm - 10:22 amPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

10h 52m1 stop Las Vegas Harry Reid Intl

8:33 pm - 12:59 pmIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

17h 26m1 stop Las Vegas Harry Reid Intl

$499Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

11:27 am - 10:56 pmPHX Phoenix Sky Harbor Intl-IDA Idaho Falls Fanning Field

10h 29m1 stop Seattle/Tacoma Intl

3:57 pm - 8:46 pmIDA Idaho Falls Fanning Field-PHX Phoenix Sky Harbor Intl

5h 49m1 stop Portland

$520Alaska Airlines

Thu, Aug 27 - Sat, Aug 29

8:00 am - 3:20 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

8h 20m1 stop Seattle/Tacoma Intl

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

8h 58m1 stop Seattle/Tacoma Intl

$546Alaska Airlines

Tue, Aug 25 - Wed, Aug 26

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

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

$237Alaska Airlines

Tue, Oct 6 - Sat, Oct 10

10:30 am - 1:24 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 54mnonstop

3:57 pm - 4:50 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$237Alaska Airlines

Sat, Sep 26 - Wed, Sep 30

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

$237Alaska Airlines

Sat, Oct 3 - Sat, Oct 10

10:30 am - 1:24 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 54mnonstop

3:57 pm - 4:50 pmIDA Idaho Falls Fanning Field-PDX Portland

1h 53mnonstop

$247Alaska Airlines

Sat, Sep 19 - Sat, Sep 26

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

1h 44mnonstop

4:05 pm - 5:57 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 52mnonstop

$259United Airlines

Fri, Oct 2 - Tue, Oct 6

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

Wed, Sep 16 - Tue, Sep 22

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

1h 48mnonstop

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

1h 54mnonstop

$259United Airlines

Sat, Sep 12 - Tue, Sep 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

$300American Airlines

Fri, Oct 23 - Wed, Oct 28

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

$319American Airlines

Fri, Oct 23 - Mon, Oct 26

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

$319American Airlines

Fri, Oct 16 - Mon, Oct 19

Fly from

Route

Depart

Return

Price

Cheapest round-trip

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Thu 9/24

5:23 pm-11:58 am

1 stop17h 35m

Idaho Falls Fanning Field

Mon 9/28

6:21 pm-11:59 am

1 stop18h 38m

$180

PhoenixIdaho Falls

PHX Phoenix Sky Harbor Intl - IDA Idaho Falls Fanning Field

PHXIDA

Phoenix Sky Harbor Intl

Thu 9/17

5:23 pm-12:04 pm

1 stop17h 41m

Idaho Falls Fanning Field

Mon 9/21

6:21 pm-11:59 am

1 stop18h 38m

$193

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 10/3

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Sat 10/10

3:57 pm-4:49 pm

Nonstop1h 52m

$237

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 10/6

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Sat 10/10

3:57 pm-4:49 pm

Nonstop1h 52m

$237

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 10/6

5:33 am-12:22 pm

1 stop5h 49m

Idaho Falls Fanning Field

Sat 10/10

6:00 am-8:50 am

1 stop3h 50m

$247

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 10/6

5:30 am-12:22 pm

2 stops5h 52m

Idaho Falls Fanning Field

Sat 10/10

6:00 am-8:50 am

1 stop3h 50m

$252

Quickest round-trip

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Sat 10/17

3:35 pm-5:16 pm

Nonstop1h 41m

Idaho Falls Fanning Field

Sat 10/24

5:51 pm-7:43 pm

Nonstop1h 52m

$259

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Fri 10/2

1:40 pm-3:24 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Tue 10/6

4:05 pm-5:57 pm

Nonstop1h 52m

$259

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

Wed 10/28

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

1:46 pm-9:42 pm

1 stop8h 56m

Idaho Falls Fanning Field

Wed 10/28

1:50 pm-6:24 pm

Nonstop3h 34m

$310

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 17% 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	August	42% 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	$93
Best Round-Trip Price	$180
Fastest flight time	4h 12m
Popular in	October

The best one-way flight price to Idaho Falls from United States in the last 5 days is $93 (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 $180 (Phoenix Sky Harbor Intl to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 4h 12m (Portland 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.

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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.