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 12,953 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, 8,597 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.

$87 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.

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

12:37 pm - 1:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 14mnonstop

$164Allegiant Air

Fri, Jan 22 - Fri, Jan 29

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

12:37 pm - 1:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 14mnonstop

$164Allegiant Air

Fri, Jan 22 - Mon, Feb 1

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

6:48 pm - 5:45 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

23h 57m1 stop Las Vegas Harry Reid Intl

$218Multiple Airlines

Fri, Jan 22 - Fri, Jan 29

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

6:48 pm - 3:03 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

21h 15m1 stop Las Vegas Harry Reid Intl

$224Multiple Airlines

Fri, Jan 22 - Mon, Feb 1

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

Wed, Oct 21 - Sat, Oct 24

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

$237Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

5:05 pm - 10:10 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

4h 05m1 stop Salt Lake City

1:05 pm - 6:12 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

6h 07m1 stop Salt Lake City

$261Delta

Wed, Oct 28 - Sat, Oct 31

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

3h 55m1 stop Salt Lake City

1:05 pm - 4:10 pmIDA Idaho Falls Fanning Field-PDX Portland

4h 05m1 stop Salt Lake City

$272Delta

Fri, Oct 23 - Wed, Oct 28

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

$299United Airlines

Thu, Oct 15 - Mon, Oct 19

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

1h 48mnonstop

4:30 pm - 6:20 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$299United Airlines

Fri, Oct 30 - Mon, Nov 2

Cheap last minute flights

Enter your travel dates to find the best prices.

2:50 pm - 5:55 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 05mnonstop

1:38 pm - 2:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$352Allegiant Air

Fri, Sep 25 - Mon, Oct 5

4:35 pm - 11:34 amSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

17h 59m1 stop Las Vegas Harry Reid Intl

7:42 pm - 3:03 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

20h 21m1 stop Las Vegas Harry Reid Intl

$367Multiple Airlines

Sun, Sep 27 - Mon, Oct 5

4:35 pm - 11:34 amSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

17h 59m1 stop Las Vegas Harry Reid Intl

1:38 pm - 2:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$371Multiple Airlines

Sun, Sep 27 - Mon, Oct 5

2:50 pm - 5:55 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 05mnonstop

4:45 pm - 5:58 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 13mnonstop

$437Allegiant Air

Fri, Sep 25 - Fri, Oct 2

2:05 pm - 6:17 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 12m1 stop Salt Lake City

1:05 pm - 10:00 pmIDA Idaho Falls Fanning Field-ORD Chicago O'Hare Intl

7h 55m1 stop Salt Lake City

$441Delta

Wed, Sep 23 - Sat, Sep 26

2:05 pm - 6:17 pmORD Chicago O'Hare Intl-IDA Idaho Falls Fanning Field

5h 12m1 stop Salt Lake City

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

4h 55m1 stop Salt Lake City

$441Delta

Tue, Sep 22 - Wed, Sep 30

8:10 pm - 3:20 pmLAX Los Angeles-IDA Idaho Falls Fanning Field

18h 10m1 stop Seattle/Tacoma Intl

3:57 pm - 8:34 pmIDA Idaho Falls Fanning Field-LAX Los Angeles

5h 37m1 stop Portland

$441Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

11:45 am - 1:24 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 39mnonstop

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

1h 54mnonstop

$444United Airlines

Fri, Sep 25 - Mon, Sep 28

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

$459United Airlines

Sat, Sep 26 - Tue, Sep 29

6:19 pm - 1:24 pmBUR Burbank Bob Hope-IDA Idaho Falls Fanning Field

18h 05m1 stop Portland

3:57 pm - 8:23 pmIDA Idaho Falls Fanning Field-BUR Burbank Bob Hope

5h 26m1 stop Portland

$485Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

Recent direct flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

12:37 pm - 1:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 14mnonstop

$164Allegiant Air

Fri, Jan 22 - Fri, Jan 29

2:41 pm - 5:58 pmSNA Santa Ana J. Wayne/Orange Cnty-IDA Idaho Falls Fanning Field

2h 17mnonstop

12:37 pm - 1:51 pmIDA Idaho Falls Fanning Field-SNA Santa Ana J. Wayne/Orange Cnty

2h 14mnonstop

$164Allegiant Air

Fri, Jan 22 - Mon, Feb 1

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

$170Allegiant Air

Fri, Nov 6 - Mon, Nov 9

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

$237Alaska Airlines

Sat, Nov 7 - Sat, Nov 14

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

Wed, Oct 21 - Sat, Oct 24

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

$247Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

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

1h 48mnonstop

4:30 pm - 6:20 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 50mnonstop

$299United Airlines

Fri, Oct 30 - Mon, Nov 2

11:45 am - 1:24 pmDEN Denver Intl-IDA Idaho Falls Fanning Field

1h 39mnonstop

2:35 pm - 4:20 pmIDA Idaho Falls Fanning Field-DEN Denver Intl

1h 45mnonstop

$299United Airlines

Fri, Oct 23 - Mon, Oct 26

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

3h 22mnonstop

8:00 am - 12:05 pmIDA Idaho Falls Fanning Field-DFW Dallas/Fort Worth

3h 05mnonstop

$405American Airlines

Tue, Feb 9 - Tue, Feb 16

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Santa AnaIdaho Falls

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

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/22

2:41 pm-5:58 pm

Nonstop2h 17m

Idaho Falls Fanning Field

Fri 1/29

12:37 pm-1:51 pm

Nonstop2h 14m

$164

Santa AnaIdaho Falls

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

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/22

2:41 pm-5:58 pm

Nonstop2h 17m

Idaho Falls Fanning Field

Mon 2/1

12:37 pm-1:51 pm

Nonstop2h 14m

$164

Santa AnaIdaho Falls

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

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/22

2:41 pm-5:58 pm

Nonstop2h 17m

Idaho Falls Fanning Field

Fri 1/29

6:48 pm-5:45 pm

1 stop23h 57m

$218

Santa AnaIdaho Falls

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

SNAIDA

Santa Ana J. Wayne/Orange Cnty

Fri 1/22

2:41 pm-5:58 pm

Nonstop2h 17m

Idaho Falls Fanning Field

Mon 2/1

6:48 pm-3:03 pm

1 stop21h 15m

$224

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Wed 10/21

10:30 am-1:21 pm

Nonstop1h 51m

Idaho Falls Fanning Field

Sat 10/24

3:57 pm-4:49 pm

Nonstop1h 52m

$237

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

$237

Los AngelesIdaho Falls

LAX Los Angeles - IDA Idaho Falls Fanning Field

LAXIDA

Los Angeles

Wed 10/28

5:05 pm-10:10 pm

1 stop4h 05m

Idaho Falls Fanning Field

Sat 10/31

1:05 pm-6:12 pm

1 stop6h 07m

$261

PortlandIdaho Falls

PDX Portland - IDA Idaho Falls Fanning Field

PDXIDA

Portland

Fri 10/23

5:15 pm-10:10 pm

1 stop3h 55m

Idaho Falls Fanning Field

Wed 10/28

1:05 pm-4:10 pm

1 stop4h 05m

$272

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Thu 10/15

1:40 pm-3:24 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Mon 10/19

4:05 pm-5:59 pm

Nonstop1h 54m

$299

DenverIdaho Falls

DEN Denver Intl - IDA Idaho Falls Fanning Field

DENIDA

Denver Intl

Fri 10/30

1:50 pm-3:38 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 11/2

4:30 pm-6:20 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 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	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	$87
Best Round-Trip Price	$170
Fastest flight time	1h 49m
Popular in	November

The best one-way flight price to Idaho Falls from United States in the last 5 days is $87 (Santa Ana J. Wayne/Orange Cnty 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 $170 (Santa Ana J. Wayne/Orange Cnty to Idaho Falls Fanning Field).

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The fastest flight to Idaho Falls from United States takes 1h 49m (Seattle/Tacoma Intl to Idaho Falls Fanning Field).

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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.

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.