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 $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 12,982 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 14 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, 8,606 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.

$48 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.

10:41 am - 1:30 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

7:47 pm - 8:32 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 45mnonstop

$77Allegiant Air

Fri, Nov 13 - Mon, Nov 16

1:12 pm - 4:00 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

9:33 pm - 10:17 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$89Allegiant Air

Fri, Oct 16 - Mon, Oct 19

10:46 am - 1:34 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

6:30 pm - 7:35 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

26h 05m1 stop Phoenix-Mesa Gateway

$160Multiple Airlines

Fri, Oct 30 - Mon, Nov 2

10:41 am - 1:30 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

12:43 pm - 8:47 amIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

21h 04m1 stop Phoenix-Mesa Gateway

$167Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

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

1h 51mnonstop

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

1h 53mnonstop

$247Alaska Airlines

Tue, Oct 27 - Tue, Nov 3

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

1h 51mnonstop

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

1h 53mnonstop

$247Alaska Airlines

Sat, Oct 31 - Sat, Nov 7

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

3h 55m1 stop Salt Lake City

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

3h 50m1 stop Salt Lake City

$267Delta

Sat, Oct 31 - Sat, Nov 7

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

5h 49m1 stop Salt Lake City

6:57 pm - 11:51 pmIDA Idaho Falls Fanning Field-PDX Portland

5h 54m1 stop Salt Lake City

$267Delta

Wed, Nov 4 - Tue, Nov 10

11:46 am - 1:28 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 42mnonstop

5:30 pm - 7:20 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$299United Airlines

Thu, Nov 5 - Sun, Nov 8

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

$299United Airlines

Thu, Oct 22 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

1:12 pm - 4:00 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

7:42 pm - 8:26 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$159Allegiant Air

Fri, Oct 2 - Mon, Oct 5

4:25 pm - 10:56 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

5h 31m1 stop Seattle/Tacoma Intl

7:42 pm - 8:26 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$307Multiple Airlines

Fri, Oct 2 - Mon, Oct 5

8:02 am - 3:20 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

6h 18m1 stop Seattle/Tacoma Intl

7:42 pm - 8:26 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$315Multiple Airlines

Tue, Sep 29 - Mon, Oct 5

7:05 pm - 8:54 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

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

1h 52mnonstop

$406United Airlines

Fri, Oct 2 - Sun, Oct 4

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

$428United Airlines

Fri, Oct 2 - Sun, Oct 4

1:25 pm - 10:56 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

8h 31m1 stop Seattle/Tacoma Intl

3:57 pm - 8:03 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

5h 06m1 stop Portland

$459Alaska Airlines

Tue, Sep 29 - Tue, Oct 6

5:10 pm - 10:22 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

4h 12m1 stop Salt Lake City

6:57 pm - 11:35 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

5h 38m1 stop Salt Lake City

$465Delta

Fri, Oct 2 - Sun, Oct 4

12:52 pm - 10:22 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

8h 30m2 stops Los Angeles Salt Lake City

6:57 pm - 11:35 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

5h 38m1 stop Salt Lake City

$470Delta

Fri, Oct 2 - Sun, Oct 4

3:02 pm - 9:20 pmATL Atlanta Hartsfield-Jackson-IDA Idaho Falls Fanning Field

8h 18m1 stop Dallas/Fort Worth

6:37 am - 4:40 pmIDA Idaho Falls Fanning Field-ATL Atlanta Hartsfield-Jackson

8h 03m1 stop Dallas/Fort Worth

$559American Airlines

Fri, Oct 2 - Tue, Oct 6

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

$587Alaska Airlines

Fri, Oct 2 - Sun, Oct 4

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

10:41 am - 1:30 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

7:47 pm - 8:32 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 45mnonstop

$77Allegiant Air

Fri, Nov 13 - Mon, Nov 16

1:12 pm - 4:00 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

9:33 pm - 10:17 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$89Allegiant Air

Fri, Oct 16 - Mon, Oct 19

10:46 am - 1:34 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

7:30 pm - 8:14 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 44mnonstop

$100Allegiant Air

Fri, Oct 30 - Mon, Nov 2

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

1h 51mnonstop

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

1h 53mnonstop

$247Alaska Airlines

Tue, Oct 27 - Tue, Nov 3

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

1h 51mnonstop

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

1h 53mnonstop

$247Alaska Airlines

Sat, Oct 31 - Sat, Nov 7

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

$252Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

11:46 am - 1:28 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 42mnonstop

5:30 pm - 7:20 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$299United Airlines

Thu, Nov 5 - Sun, Nov 8

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

$299United Airlines

Thu, Oct 22 - Thu, Oct 29

10:50 am - 1:12 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 22mnonstop

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

2h 55mnonstop

$405American Airlines

Tue, Feb 9 - Tue, Feb 16

10:50 am - 1:11 pmDFW Dallas/Fort Worth-IDA Idaho Falls Fanning Field

3h 21mnonstop

8:00 am - 12:13 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

3h 13mnonstop

$481American Airlines

Sat, Dec 5 - Thu, Dec 10

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Las VegasIdaho Falls

LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field

LASIDA

Las Vegas Harry Reid Intl

Fri 11/13

10:41 am-1:30 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 11/16

7:47 pm-8:32 pm

Nonstop1h 45m

$77

Quickest round-trip

Las VegasIdaho Falls

LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field

LASIDA

Las Vegas Harry Reid Intl

Fri 10/16

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 10/19

9:33 pm-10:17 pm

Nonstop1h 44m

$89

Las VegasIdaho Falls

LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field

LASIDA

Las Vegas Harry Reid Intl

Fri 10/30

10:46 am-1:34 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 11/2

6:30 pm-7:35 pm

1 stop26h 05m

$160

Las VegasIdaho Falls

LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field

LASIDA

Las Vegas Harry Reid Intl

Fri 11/13

10:41 am-1:30 pm

Nonstop1h 49m

Idaho Falls Fanning Field

Mon 11/16

12:43 pm-8:47 am

1 stop21h 04m

$167

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Tue 10/27

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Tue 11/3

3:55 pm-4:48 pm

Nonstop1h 53m

$247

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 10/31

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Sat 11/7

3:55 pm-4:48 pm

Nonstop1h 53m

$247

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Sat 10/31

5:15 pm-10:10 pm

1 stop3h 55m

Idaho Falls Fanning Field

Sat 11/7

6:00 am-8:50 am

1 stop3h 50m

$267

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 11/4

5:33 am-12:22 pm

1 stop5h 49m

Idaho Falls Fanning Field

Tue 11/10

6:57 pm-11:51 pm

1 stop5h 54m

$267

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 11/5

11:46 am-1:28 pm

Nonstop1h 42m

Idaho Falls Fanning Field

Sun 11/8

5:30 pm-7:20 pm

Nonstop1h 50m

$299

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/22

1:40 pm-3:24 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Thu 10/29

5:40 pm-7:30 pm

Nonstop1h 50m

$299

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 27% 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	26% 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	35% more expensive	It costs about $531 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	$67
Best Round-Trip Price	$77
Fastest flight time	1h 48m
Popular in	November

The best one-way flight price to Idaho Falls from United States in the last 5 days is $67 (Las Vegas Harry Reid Intl 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 $77 (Las Vegas Harry Reid Intl to Idaho Falls Fanning Field).

Search Deals

The fastest flight to Idaho Falls from United States takes 1h 48m (Las Vegas Harry Reid Intl to Idaho Falls Fanning Field).

Search Deals

November 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 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.