Cheap flights from the United States to Idaho Falls from $116

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Idaho Falls departing on 4/5. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from the United States to Idaho Falls

Recent round-trip flight deals from the United States to Idaho Falls

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:14 pm - 4:05 pm
LAX
-
IDA
26h 51m
1 stop
Multiple Airlines Logo
10:54 pm - 9:25 am
IDA
-
LAX
11h 31m
1 stop
$244Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
8:40 pm - 3:12 pm
LAX
-
IDA
17h 32m
1 stop
Multiple Airlines Logo
10:06 pm - 12:36 pm
IDA
-
LAX
15h 30m
1 stop
$245Multiple Airlines
Thu, Apr 2 - Mon, Apr 6
Alaska Airlines Logo
7:54 pm - 10:40 pm
SEA
-
IDA
1h 46mnonstop
Alaska Airlines Logo
6:00 am - 7:03 am
IDA
-
SEA
2h 03mnonstop
$257Alaska Airlines
Sat, May 9 - Wed, May 20
Alaska Airlines Logo
7:54 pm - 10:40 pm
SEA
-
IDA
1h 46mnonstop
Alaska Airlines Logo
6:00 am - 6:57 am
IDA
-
SEA
1h 57mnonstop
$292Alaska Airlines
Sat, May 2 - Tue, May 5
Delta Logo
5:50 am - 10:47 am
LAX
-
IDA
3h 57m
1 stop
Delta Logo
6:54 pm - 11:53 pm
IDA
-
LAX
5h 59m
1 stop
$301Delta
Tue, May 12 - Wed, May 20
Delta Logo
5:45 am - 10:39 am
SEA
-
IDA
3h 54m
1 stop
Delta Logo
6:50 pm - 12:01 am
IDA
-
SEA
6h 11m
1 stop
$317Delta
Tue, Aug 11 - Tue, Aug 18
United Airlines Logo
5:15 am - 9:50 am
IAH
-
IDA
5h 35m
1 stop
United Airlines Logo
5:54 pm - 11:59 pm
IDA
-
IAH
5h 05m
1 stop
$329United Airlines
Fri, May 29 - Sat, Jun 6
United Airlines Logo
6:30 am - 1:24 pm
IAH
-
IDA
7h 54m
1 stop
United Airlines Logo
5:53 pm - 11:50 pm
IDA
-
IAH
4h 57m
1 stop
$349United Airlines
Fri, Aug 21 - Thu, Aug 27
American Airlines Logo
5:00 am - 11:32 am
DCA
-
IDA
8h 32m
1 stop
American Airlines Logo
2:20 pm - 11:58 pm
IDA
-
DCA
7h 38m
1 stop
$349American Airlines
Tue, Aug 11 - Tue, Aug 25
American Airlines Logo
6:24 am - 1:44 pm
IAD
-
IDA
9h 20m
1 stop
American Airlines Logo
12:12 pm - 10:47 pm
IDA
-
IAD
8h 35m
1 stop
$349American Airlines
Tue, Aug 11 - Tue, Aug 25

Alaska Airlines flights from United States to Idaho Falls

Our best Alaska Airlines deals on United States to Idaho Falls flight tickets
Alaska Airlines
May 9
SEA7:54 pmSeattle/Tacoma Intl
1h 46m
IDA10:40 pmIdaho Falls Fanning Field
May 20
IDA6:00 amIdaho Falls Fanning Field
2h 03m
SEA7:03 amSeattle/Tacoma Intl
$257
Alaska Airlines
May 2
SEA7:54 pmSeattle/Tacoma Intl
1h 46m
IDA10:40 pmIdaho Falls Fanning Field
May 5
IDA6:00 amIdaho Falls Fanning Field
1h 57m
SEA6:57 amSeattle/Tacoma Intl
$292
Alaska Airlines
Jun 3
SEA8:00 pmSeattle/Tacoma Intl
1h 53m
IDA10:53 pmIdaho Falls Fanning Field
Jun 6
IDA6:00 amIdaho Falls Fanning Field
2h 03m
SEA7:03 amSeattle/Tacoma Intl
$297

Delta flights from United States to Idaho Falls

Our best Delta deals on United States to Idaho Falls flight tickets
Delta
May 12
LAX9:55 amLos Angeles Los Angeles
3h 39m
1 stop
IDA2:34 pmIdaho Falls Fanning Field
May 19
IDA6:54 pmIdaho Falls Fanning Field
3h 56m
1 stop
LAX9:50 pmLos Angeles Los Angeles
$301
Delta
Aug 11
SEA5:45 amSeattle/Tacoma Intl
3h 54m
1 stop
IDA10:39 amIdaho Falls Fanning Field
Aug 18
IDA6:50 pmIdaho Falls Fanning Field
6h 11m
1 stop
SEA12:01 amSeattle/Tacoma Intl
$317
Delta
Jul 19
LAX5:55 amLos Angeles Los Angeles
3h 44m
1 stop
IDA10:39 amIdaho Falls Fanning Field
Jul 29
IDA3:04 pmIdaho Falls Fanning Field
4h 10m
1 stop
LAX6:14 pmLos Angeles Los Angeles
$321

momondo Fare Finder

 
Customize your flight search to find flights from United States to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from the United States to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles Los Angeles

Thu 8/6

12:14 pm-4:05 pm

1 stop26h 51m

Idaho Falls Fanning Field

Mon 8/10

10:54 pm-9:25 am

1 stop11h 31m

$244

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles Los Angeles

Thu 4/2

8:40 pm-3:12 pm

1 stop17h 32m

Idaho Falls Fanning Field

Mon 4/6

10:06 pm-12:36 pm

1 stop15h 30m

$245

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 5/9

7:54 pm-10:40 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Wed 5/20

6:00 am-7:03 am

Nonstop2h 03m

$257
Quickest round-trip

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 5/2

7:54 pm-10:40 pm

Nonstop1h 46m

Idaho Falls Fanning Field

Tue 5/5

6:00 am-6:57 am

Nonstop1h 57m

$292

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles Los Angeles

Tue 5/12

5:50 am-10:47 am

1 stop3h 57m

Idaho Falls Fanning Field

Wed 5/20

6:54 pm-11:53 pm

1 stop5h 59m

$301

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Tue 8/11

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Tue 8/18

6:50 pm-12:01 am

1 stop6h 11m

$317

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Fri 5/29

5:15 am-9:50 am

1 stop5h 35m

Idaho Falls Fanning Field

Sat 6/6

5:54 pm-11:59 pm

1 stop5h 05m

$329

HoustonIdaho Falls

IAH - IDA

IAHIDA

Houston George Bush Intcntl

Fri 8/21

6:30 am-1:24 pm

1 stop7h 54m

Idaho Falls Fanning Field

Thu 8/27

5:53 pm-11:50 pm

1 stop4h 57m

$349

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 8/11

5:00 am-11:32 am

1 stop8h 32m

Idaho Falls Fanning Field

Tue 8/25

2:20 pm-11:58 pm

1 stop7h 38m

$349

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 8/11

6:24 am-1:44 pm

1 stop9h 20m

Idaho Falls Fanning Field

Tue 8/25

12:12 pm-10:47 pm

1 stop8h 35m

$349

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

How to get the cheapest flight ticket from United States to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest United States to Idaho Falls Fanning Field flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best United States - Idaho Falls Fanning Field flight prices

What cabin class options are available on United States to Idaho Falls Fanning Field flights?

There are 2 cabin classes available to choose from on United States to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between United States to Idaho Falls.

Cheap United States to Idaho Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Idaho Falls

Best Price Found

$55

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from United States in the past 72 hours is $55. The best round-trip flight deal from United States to Idaho Falls found on momondo in the last 72 hours is $88.
The fastest flight from United States to Idaho Falls takes 1h 00m
Direct flights go from United States to Idaho Falls every day.
There is 1 airport in Idaho Falls. From United States there are direct flights to Idaho Falls Fanning Field (IDA).
  • When did momondo last update prices for flights from United States to Idaho Falls Fanning Field Airport?

    Prices for flights from United States to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from United States to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from United States to Idaho Falls Fanning Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United States to Idaho Falls?

Best airlines flying from United States to Idaho Falls

Compare and see reviews for airlines that fly from United States to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $55Free CancellationRating
7.3
710 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,318 reviews
Search Delta flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $238Free CancellationRating
7.9
12,098 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $370Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights

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 from United States to Idaho Falls?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Idaho Falls. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United States to Idaho Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho Falls from United States which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United States to Idaho Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Idaho Falls.

I’m not ready to book a flight from United States to Idaho Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United States to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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1 adult
Tue 4/21
Tue 4/28

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