Flights to Idaho Falls Fanning Field

$100 Cheap flights to Idaho Falls

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Idaho Falls departing on 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
8:52 pm - 11:36 pmSEA-IDA
1h 44mnonstop
Hawaiian Airlines Logo
5:20 pm - 6:21 pmIDA-SEA
2h 01mnonstop
$177Hawaiian Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4
Alaska Airlines Logo
1:59 pm - 4:43 pmSEA-IDA
1h 44mnonstop
Alaska Airlines Logo
8:00 am - 9:07 amIDA-SEA
2h 07mnonstop
$187Alaska Airlines
Find Deal
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
11:45 am - 1:30 pmDEN-IDA
1h 45mnonstop
United Airlines Logo
5:00 am - 7:03 amIDA-DEN
2h 03mnonstop
$189United Airlines
Find Deal
Fri, Dec 19 - Mon, Dec 29
United Airlines Logo
9:05 pm - 10:59 pmDEN-IDA
1h 54mnonstop
United Airlines Logo
5:00 am - 7:03 amIDA-DEN
2h 03mnonstop
$199United Airlines
Find Deal
Sat, Dec 27 - Thu, Jan 1
Delta Logo
6:23 pm - 10:19 pmDEN-IDA
3h 56m1 stop
Delta Logo
5:25 am - 9:38 amIDA-DEN
4h 13m1 stop
$209Delta
Find Deal
Wed, Jan 14 - Sun, Jan 18
Delta Logo
4:55 pm - 10:57 pmSEA-IDA
5h 02m1 stop
Delta Logo
6:35 pm - 12:09 amIDA-SEA
6h 34m1 stop
$227Delta
Find Deal
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
1:02 pm - 3:49 pmDEN-IDA
26h 47m2 stops
Multiple Airlines Logo
4:39 pm - 9:04 amIDA-DEN
16h 25m1 stop
$268Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
8:43 am - 1:16 pmSFO-IDA
27h 33m1 stop
Multiple Airlines Logo
8:16 pm - 4:51 pmIDA-SFO
21h 35m1 stop
$269Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
American Airlines Logo
8:28 pm - 10:36 pmPHX-IDA
2h 08mnonstop
American Airlines Logo
7:20 am - 9:46 amIDA-PHX
2h 26mnonstop
$291American Airlines
Find Deal
Sat, Jan 31 - Wed, Feb 4
American Airlines Logo
8:28 pm - 10:36 pmPHX-IDA
2h 08mnonstop
American Airlines Logo
7:20 am - 9:46 amIDA-PHX
2h 26mnonstop
$341American Airlines
Find Deal
Tue, Jan 27 - Wed, Jan 28

momondo Fare Finder

 
Locate flights to Idaho Falls Fanning Field that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on November 26, 2025.
Use the filters below to find and compare flights to Idaho Falls that are best for you.

Fly from

Route

Depart

Return

Price

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 2/28

8:52 pm-11:36 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Wed 3/4

5:20 pm-6:21 pm

Nonstop2h 01m

$177

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 2/28

1:59 pm-4:43 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Wed 3/4

8:00 am-9:07 am

Nonstop2h 07m

$187

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 12/19

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 12/29

5:00 am-7:03 am

Nonstop2h 03m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 12/27

9:05 pm-10:59 pm

Nonstop1h 54m

Idaho Falls Fanning Field

Thu 1/1

5:00 am-7:03 am

Nonstop2h 03m

$199

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 1/14

6:23 pm-10:19 pm

1 stop3h 56m

Idaho Falls Fanning Field

Sun 1/18

5:25 am-9:38 am

1 stop4h 13m

$209

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Wed 1/21

4:55 pm-10:57 pm

1 stop5h 02m

Idaho Falls Fanning Field

Sun 1/25

6:35 pm-12:09 am

1 stop6h 34m

$227

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 12/10

1:02 pm-3:49 pm

2 stops26h 47m

Idaho Falls Fanning Field

Sun 12/14

4:39 pm-9:04 am

1 stop16h 25m

$268

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 12/11

8:43 am-1:16 pm

1 stop27h 33m

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-4:51 pm

1 stop21h 35m

$269

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sat 1/31

8:28 pm-10:36 pm

Nonstop2h 08m

Idaho Falls Fanning Field

Wed 2/4

7:20 am-9:46 am

Nonstop2h 26m

$291

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 1/27

8:28 pm-10:36 pm

Nonstop2h 08m

Idaho Falls Fanning Field

Wed 1/28

7:20 am-9:46 am

Nonstop2h 26m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

Idaho Falls flights insights and trends

Explore insights for your Idaho Falls flight to craft the best travel plan

What is the absolute cheapest flight to Idaho Falls?

Users booking trips to Idaho Falls from Las Vegas found flights 73% 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:

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $567. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $877.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from United States to Idaho Falls during this time can be as low as $655. Try not to purchase tickets in the morning because they tend to be around $783. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheapest flights to Idaho Falls Fanning Field

Find the cheapest flights to Idaho Falls Fanning Field from your nearest city or airport
CHEAPEST MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESApril27% cheaperFlying from Los Angeles to Idaho Falls costs on average just $297 in April
MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESDecember79% more expensiveIt costs about $728 for flights to Idaho Falls from Los Angeles in December
MOST POPULAR MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESMarch400% more users visitedMore momondo users searched in flights to Idaho Falls from Los Angeles in March 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

$100

Best Round-Trip Price

$177

Fastest flight time

6h 10m

Popular in

March
The best one-way flight price to Idaho Falls from United States in the last 72 hours is $100 (Phoenix Sky Harbor Intl to Idaho Falls Fanning Field).
The best round-trip flight price to Idaho Falls from United States in the last 72 hours is $177 (Seattle/Tacoma Intl to Idaho Falls Fanning Field).
The fastest flight to Idaho Falls from United States takes 6h 10m (Oakland to Idaho Falls Fanning Field).
March has the highest demand for flights to Idaho Falls, with a 11% price increase on average.

Frequently asked questions about flying to Idaho Falls

When are the weather conditions best for skiing in Idaho Falls?

momondo users looking to go skiing in Idaho Falls find that January is more than likely the best time to hit the slopes. The lower temperatures in the area mixed with a higher chance of snow make mountains like Bogus Basin the perfect place for a vacation. If you are planning a ski trip to multiple mountains, Silver Mountain is a recommended attraction in the Idaho Falls area.

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $455.

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?

Idaho Falls Fanning Field Airport has an average price of $298 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?

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.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
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.

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1 adult
Fri 12/26
Fri 1/2

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