Cheap flights from the United States to Idaho Falls from $103

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 2/23. 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

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

Enter your travel dates to find the best prices.
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
Multiple Airlines Logo
9:16 pm - 3:31 pm
LAX
-
IDA
17h 15m
1 stop
Multiple Airlines Logo
10:31 pm - 8:15 am
IDA
-
LAX
10h 44m
1 stop
$192Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
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
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
$219United Airlines
Fri, Feb 20 - Mon, Feb 23
Delta Logo
6:20 pm - 10:21 pm
DEN
-
IDA
4h 01m
1 stop
Delta Logo
6:55 pm - 10:30 pm
IDA
-
DEN
3h 35m
1 stop
$224Delta
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
5:00 pm - 11:36 pm
LAX
-
IDA
5h 36m
1 stop
Alaska Airlines Logo
5:20 pm - 9:50 pm
IDA
-
LAX
5h 30m
1 stop
$281Alaska Airlines
Thu, Feb 26 - Wed, Mar 4
Alaska Airlines Logo
7:00 am - 4:43 pm
BOS
-
IDA
11h 43m
1 stop
Alaska Airlines Logo
5:20 pm - 6:54 am
IDA
-
BOS
11h 34m
1 stop
$303Alaska Airlines
Thu, Mar 12 - Tue, Mar 17
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
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
$365American Airlines
Wed, Mar 4 - Sat, Mar 7

Delta flights from United States to Idaho Falls

Our best Delta deals on United States to Idaho Falls flight tickets
Delta
Mar 3
DEN12:50 pmDenver Intl
4h 59m
1 stop
IDA5:49 pmIdaho Falls Fanning Field
Mar 10
IDA6:55 pmIdaho Falls Fanning Field
3h 35m
1 stop
DEN10:30 pmDenver Intl
$209
Delta
Mar 3
DEN6:20 pmDenver Intl
4h 01m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Mar 10
IDA6:55 pmIdaho Falls Fanning Field
3h 35m
1 stop
DEN10:30 pmDenver Intl
$224
Delta
Feb 24
DEN3:59 pmDenver Intl
6h 22m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Mar 3
IDA5:25 amIdaho Falls Fanning Field
3h 59m
1 stop
DEN9:24 amDenver Intl
$254

American Airlines flights from United States to Idaho Falls

Our best American Airlines deals on United States to Idaho Falls flight tickets
American Airlines
Mar 4
ATL5:59 pmAtlanta Hartsfield-Jackson
7h 25m
1 stop
IDA11:24 pmIdaho Falls Fanning Field
Mar 7
IDA2:18 pmIdaho Falls Fanning Field
8h 09m
1 stop
ATL12:27 amAtlanta Hartsfield-Jackson
$309
American Airlines
Mar 4
ATL5:59 pmAtlanta Hartsfield-Jackson
7h 25m
1 stop
IDA11:24 pmIdaho Falls Fanning Field
Mar 7
IDA2:18 pmIdaho Falls Fanning Field
8h 09m
1 stop
ATL12:27 amAtlanta Hartsfield-Jackson
$365
American Airlines
Apr 7
DFW11:00 amDallas/Fort Worth
3h 13m
IDA1:13 pmIdaho Falls Fanning Field
Apr 8
IDA1:43 pmIdaho Falls Fanning Field
2h 56m
DFW5:39 pmDallas/Fort Worth
$381

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 February 5, 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

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

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/19

9:16 pm-3:31 pm

1 stop17h 15m

Idaho Falls Fanning Field

Mon 2/23

10:31 pm-8:15 am

1 stop10h 44m

$192

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

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 2/20

8:00 am-9:48 am

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 2/23

5:33 pm-7:25 pm

Nonstop1h 52m

$219

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 3/3

6:20 pm-10:21 pm

1 stop4h 01m

Idaho Falls Fanning Field

Tue 3/10

6:55 pm-10:30 pm

1 stop3h 35m

$224

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

Thu 2/26

5:00 pm-11:36 pm

1 stop5h 36m

Idaho Falls Fanning Field

Wed 3/4

5:20 pm-9:50 pm

1 stop5h 30m

$281

BostonIdaho Falls

BOS - IDA

BOSIDA

Boston Logan Intl

Thu 3/12

7:00 am-4:43 pm

1 stop11h 43m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-6:54 am

1 stop11h 34m

$303

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

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

$365

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 4 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

$60

Fastest flight time

0h 59m

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 $60. The best round-trip flight deal from United States to Idaho Falls found on momondo in the last 72 hours is $117.
The fastest flight from United States to Idaho Falls takes 0h 59m
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 $40Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,146 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
11,839 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $370Free CancellationRating
7.2
11,223 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
Sat 3/7
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