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

10 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 13,036 of our users.

Delta Flights to Idaho Falls

Delta flies to Idaho Falls 11 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, 8,635 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 7h 13m, respectively.

$52 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.

10:46 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

$109Allegiant Air

Fri, Oct 23 - Mon, Oct 26

9:00 am - 11:46 amLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 46mnonstop

3:32 pm - 4:14 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 42mnonstop

$124Allegiant Air

Wed, Nov 25 - Mon, Nov 30

7:15 am - 12:22 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

4h 07m1 stop Salt Lake City

1:05 pm - 4:24 pmIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

4h 19m1 stop Salt Lake City

$137Delta

Thu, Oct 29 - Mon, Nov 2

5:30 am - 12:22 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

5h 52m1 stop Salt Lake City

6:00 am - 9:10 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

4h 10m1 stop Salt Lake City

$137Delta

Thu, Oct 29 - Sat, Oct 31

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

1h 49mnonstop

12:43 pm - 7:46 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

8h 03m1 stop Phoenix-Mesa Gateway

$193Multiple Airlines

Fri, Nov 13 - Mon, Nov 16

2:01 pm - 8:02 amSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

17h 01m1 stop Phoenix Sky Harbor Intl

1:43 pm - 2:56 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$196Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

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

Fri, Nov 6 - Mon, Nov 9

10:30 am - 1:17 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 47mnonstop

3:44 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

2h 04mnonstop

$257Alaska Airlines

Fri, Dec 4 - Mon, Dec 7

1:50 pm - 3:38 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

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

1h 50mnonstop

$299United Airlines

Thu, Nov 5 - Mon, Nov 9

8:00 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 53mnonstop

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

1h 50mnonstop

$299United Airlines

Thu, Nov 26 - Mon, Nov 30

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

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

1h 44mnonstop

$184Allegiant Air

Fri, Oct 9 - Mon, Oct 12

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

1h 44mnonstop

4:05 pm - 5:59 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 54mnonstop

$389United Airlines

Sat, Oct 10 - Mon, Oct 12

7:09 pm - 3:20 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

19h 11m1 stop Seattle/Tacoma Intl

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

1h 44mnonstop

$401Multiple Airlines

Fri, Oct 9 - Mon, Oct 12

6:02 am - 3:20 pmLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

8h 18m1 stop Seattle/Tacoma Intl

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

1h 44mnonstop

$405Multiple Airlines

Sun, Oct 11 - Mon, Oct 12

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

1h 48mnonstop

4:05 pm - 5:59 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 54mnonstop

$444United Airlines

Thu, Oct 8 - Mon, Oct 12

6:48 pm - 9:59 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 11mnonstop

3:29 pm - 4:42 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$451Allegiant Air

Fri, Oct 9 - Mon, Oct 12

8:20 am - 12:22 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

4h 02m1 stop Salt Lake City

6:00 am - 9:45 amIDA Idaho Falls Fanning Field-DEN Denver Intl

3h 45m1 stop Salt Lake City

$519Delta

Fri, Oct 9 - Sat, Oct 10

8:20 am - 12:22 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

4h 02m1 stop Salt Lake City

6:56 pm - 10:40 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

3h 44m1 stop Salt Lake City

$519Delta

Fri, Oct 9 - Sun, Oct 11

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

$587Alaska Airlines

Wed, Oct 14 - Sat, Oct 17

5:55 pm - 3:20 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

20h 25m1 stop Seattle/Tacoma Intl

6:09 am - 11:28 amIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

6h 19m1 stop Seattle/Tacoma Intl

$615Alaska Airlines

Mon, Oct 12 - Wed, Oct 14

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

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

$109Allegiant Air

Fri, Oct 23 - Mon, Oct 26

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

$124Allegiant Air

Fri, Oct 23 - Mon, Oct 26

9:00 am - 11:46 amLAS Las Vegas Harry Reid Intl-IDA Idaho Falls Fanning Field

1h 46mnonstop

3:32 pm - 4:14 pmIDA Idaho Falls Fanning Field-LAS Las Vegas Harry Reid Intl

1h 42mnonstop

$124Allegiant Air

Wed, Nov 25 - Mon, Nov 30

4:23 pm - 7:34 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 11mnonstop

1:43 pm - 2:56 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$141Allegiant Air

Fri, Nov 13 - Mon, Nov 16

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

Fri, Nov 6 - Mon, Nov 9

10:30 am - 1:17 pmPDX Portland-IDA Idaho Falls Fanning Field

1h 47mnonstop

3:44 pm - 4:48 pmIDA Idaho Falls Fanning Field-PDX Portland

2h 04mnonstop

$257Alaska Airlines

Fri, Dec 4 - Mon, Dec 7

8:05 pm - 10:54 pmSEA Seattle/Tacoma Intl-IDA Idaho Falls Fanning Field

1h 49mnonstop

6:04 am - 7:20 amIDA Idaho Falls Fanning Field-SEA Seattle/Tacoma Intl

2h 16mnonstop

$297Alaska Airlines

Wed, Nov 11 - Sat, Nov 14

1:50 pm - 3:38 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 48mnonstop

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

1h 50mnonstop

$299United Airlines

Thu, Nov 5 - Mon, Nov 9

8:00 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 53mnonstop

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

1h 50mnonstop

$299United Airlines

Thu, Nov 26 - Mon, Nov 30

8:00 am - 9:53 amDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 53mnonstop

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

1h 50mnonstop

$299United Airlines

Fri, Nov 6 - Mon, Nov 9

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 10/23

10:46 am-1:34 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-8:14 pm

Nonstop1h 44m

$109

Quickest round-trip

Las VegasIdaho Falls

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

LASIDA

Las Vegas Harry Reid Intl

Wed 11/25

9:00 am-11:46 am

Nonstop1h 46m

Idaho Falls Fanning Field

Mon 11/30

3:32 pm-4:14 pm

Nonstop1h 42m

$124

SeattleIdaho Falls

SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field

SEAIDA

Seattle/Tacoma Intl

Thu 10/29

7:15 am-12:22 pm

1 stop4h 07m

Idaho Falls Fanning Field

Mon 11/2

1:05 pm-4:24 pm

1 stop4h 19m

$137

SeattleIdaho Falls

SEA Seattle/Tacoma Intl - IDA Idaho Falls Fanning Field

SEAIDA

Seattle/Tacoma Intl

Thu 10/29

5:30 am-12:22 pm

1 stop5h 52m

Idaho Falls Fanning Field

Sat 10/31

6:00 am-9:10 am

1 stop4h 10m

$137

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-7:46 pm

1 stop8h 03m

$193

Santa AnaIdaho Falls

SNA Santa Ana J. Wayne/Orange Cnty - IDA Idaho Falls Fanning Field

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Thu 11/12

2:01 pm-8:02 am

1 stop17h 01m

Idaho Falls Fanning Field

Mon 11/16

1:43 pm-2:56 pm

Nonstop2h 13m

$196

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 11/6

10:31 am-1:16 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 11/9

3:55 pm-4:48 pm

Nonstop1h 53m

$257

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 12/4

10:30 am-1:17 pm

Nonstop1h 47m

Idaho Falls Fanning Field

Mon 12/7

3:44 pm-4:48 pm

Nonstop2h 04m

$257

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 11/5

1:50 pm-3:38 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 11/9

5:30 pm-7:20 pm

Nonstop1h 50m

$299

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 11/26

8:00 am-9:53 am

Nonstop1h 53m

Idaho Falls Fanning Field

Mon 11/30

5:30 pm-7:20 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 February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $432.

What is the absolute cheapest flight to Idaho Falls?

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	30% 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	November	69% more expensive	It costs about $700 for flights to Idaho Falls from Los Angeles in November
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	$52
Best Round-Trip Price	$109
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 $52 (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 $109 (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 October 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.