Flights to Idaho Falls Fanning Field

$91 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 2/26. 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.
Alaska Airlines Logo
1:59 pm - 4:43 pm
SEA
-
IDA
1h 44mnonstop
Alaska Airlines Logo
5:20 pm - 6:21 pm
IDA
-
SEA
2h 01mnonstop
$157Alaska Airlines
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
8:00 am - 9:48 am
DEN
-
IDA
1h 48mnonstop
United Airlines Logo
5:33 pm - 7:25 pm
IDA
-
DEN
1h 52mnonstop
$189United Airlines
Thu, Feb 26 - Mon, Mar 2
Alaska Airlines Logo
8:00 pm - 10:45 pm
SEA
-
IDA
1h 45mnonstop
Alaska Airlines Logo
6:00 am - 6:58 am
IDA
-
SEA
1h 58mnonstop
$197Alaska Airlines
Tue, May 19 - Wed, May 27
United Airlines Logo
8:00 am - 9:48 am
DEN
-
IDA
1h 48mnonstop
United Airlines Logo
5:33 pm - 7:25 pm
IDA
-
DEN
1h 52mnonstop
$204United Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
12:50 pm - 5:49 pm
DEN
-
IDA
4h 59m
1 stop
Delta Logo
6:55 pm - 10:30 pm
IDA
-
DEN
3h 35m
1 stop
$209Delta
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:25 am - 9:40 pm
PHX
-
IDA
14h 15m
1 stop
Multiple Airlines Logo
10:30 pm - 3:18 pm
IDA
-
PHX
17h 48m
1 stop
$217Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
9:27 am - 3:30 pm
DEN
-
IDA
6h 03m
1 stop
Multiple Airlines Logo
10:30 pm - 3:56 am
IDA
-
DEN
5h 26m
1 stop
$220Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
5:30 am - 10:47 am
SEA
-
IDA
4h 17m
1 stop
Delta Logo
6:54 pm - 12:12 am
IDA
-
SEA
6h 18m
1 stop
$257Delta
Tue, May 19 - Wed, May 27
American Airlines Logo
9:13 pm - 11:24 pm
PHX
-
IDA
2h 11mnonstop
American Airlines Logo
6:05 am - 7:32 am
IDA
-
PHX
2h 27mnonstop
$291American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
5:59 pm - 11:24 pm
ATL
-
IDA
7h 25m
1 stop
American Airlines Logo
2:18 pm - 12:27 am
IDA
-
ATL
8h 09m
1 stop
$309American Airlines
Wed, Mar 4 - Sat, Mar 7

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 February 3, 2026.
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

Wed 3/4

1:59 pm-4:43 pm

Nonstop1h 44m

Idaho Falls Fanning Field

Sat 3/7

5:20 pm-6:21 pm

Nonstop2h 01m

$157

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 2/26

8:00 am-9:48 am

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 3/2

5:33 pm-7:25 pm

Nonstop1h 52m

$189

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Tue 5/19

8:00 pm-10:45 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Wed 5/27

6:00 am-6:58 am

Nonstop1h 58m

$197

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 2/19

8:00 am-9:48 am

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 2/23

5:33 pm-7:25 pm

Nonstop1h 52m

$204

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 3/3

12:50 pm-5:49 pm

1 stop4h 59m

Idaho Falls Fanning Field

Tue 3/10

6:55 pm-10:30 pm

1 stop3h 35m

$209

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 3/6

7:25 am-9:40 pm

1 stop14h 15m

Idaho Falls Fanning Field

Mon 3/9

10:30 pm-3:18 pm

1 stop17h 48m

$217

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Mon 3/2

9:27 am-3:30 pm

1 stop6h 03m

Idaho Falls Fanning Field

Mon 3/9

10:30 pm-3:56 am

1 stop5h 26m

$220

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Tue 5/19

5:30 am-10:47 am

1 stop4h 17m

Idaho Falls Fanning Field

Wed 5/27

6:54 pm-12:12 am

1 stop6h 18m

$257

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Tue 3/3

9:13 pm-11:24 pm

Nonstop2h 11m

Idaho Falls Fanning Field

Tue 3/10

6:05 am-7:32 am

Nonstop2h 27m

$291

AtlantaIdaho Falls

ATL - IDA

ATLIDA

Atlanta Hartsfield-Jackson

Wed 3/4

5:59 pm-11:24 pm

1 stop7h 25m

Idaho Falls Fanning Field

Sat 3/7

2:18 pm-12:27 am

1 stop8h 09m

$309

Flights are sorted by cheapest round-trip flights 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 Seattle found flights 53% 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
CHEAPEST MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESApril26% cheaperFlying from Los Angeles to Idaho Falls costs on average just $297 in April
MOST EXPENSIVE MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESDecember42% more expensiveIt costs about $570 for flights to Idaho Falls from Los Angeles in December
MOST POPULAR MONTH TO FLY TO IDAHO FALLS FROM LOS ANGELESMarch533% 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

$91

Best Round-Trip Price

$157

Fastest flight time

1h 48m

Popular in

March
The best one-way flight price to Idaho Falls from United States in the last 72 hours is $91 (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 $157 (Seattle/Tacoma Intl to Idaho Falls Fanning Field).
The fastest flight to Idaho Falls from United States takes 1h 48m (Seattle/Tacoma Intl 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 December is also cheap. Prices for this month can be found on momondo for an average of $354.

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 $270 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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