HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$321+ Cheap flights from Des Moines to Idaho Falls (DSM - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IDA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Des Moines to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Des Moines to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$329
(United Airlines)

One-way from

$321
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$515
From Des Moines to Idaho Falls Fanning Field
Search Deals
One-way flight from Des Moines to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Des Moines to Idaho Falls

Cheapest flights from Des Moines to Idaho Falls
Explore the most affordable flight options available from Des Moines to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:20 pmDSM - IDA
1 stop5h 03mUnited Airlines
Tue 9/305:00 amIDA - DSM
1 stop4h 42mUnited Airlines
Deal found 9/10$329
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:15 pmDSM - IDA
1 stop4h 41mUnited Airlines
Wed 10/15:00 amIDA - DSM
1 stop6h 37mUnited Airlines
Deal found 9/10$344
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:08 amDSM - IDA
1 stop7h 21mUnited Airlines
Tue 9/305:00 amIDA - DSM
1 stop6h 37mUnited Airlines
Deal found 9/10$359
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:33 pmDSM - IDA
1 stop4h 42mUnited Airlines
Mon 9/295:00 amIDA - DSM
1 stop4h 42mUnited Airlines
Deal found 9/10$362
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:34 amDSM - IDA
1 stop4h 55mUnited Airlines
Wed 10/17:00 amIDA - DSM
1 stop4h 37mUnited Airlines
Deal found 9/10$384
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:25 pmDSM - IDA
2 stops8h 24mUnited Airlines
Tue 9/305:00 amIDA - DSM
1 stop4h 42mUnited Airlines
Deal found 9/11$385
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:35 amDSM - IDA
2 stops10h 19mUnited Airlines
Wed 10/15:56 pmIDA - DSM
1 stop5h 00mUnited Airlines
Deal found 9/10$389
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:08 amDSM - IDA
1 stop6h 16mAmerican Airlines
Tue 9/301:35 pmIDA - DSM
1 stop8h 38mAmerican Airlines
Deal found 9/10$535

Cheapflights Fare Finder

 
Customize your flight search to find flights from Des Moines 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Des Moines to Idaho Falls that are best for you.

Fly from

Des Moines

Fly to

Idaho Falls

Route

Depart

Return

Price

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Tue 3/3

9:09 am-1:33 pm

1 stop5h 24m

Idaho Falls Fanning Field

Sat 3/7

2:35 pm-8:32 pm

1 stop4h 57m

$329

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Tue 9/23

11:35 am-8:54 pm

2 stops10h 19m

Idaho Falls Fanning Field

Tue 9/30

5:00 am-10:42 am

1 stop4h 42m

$334

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Wed 9/24

5:15 pm-8:56 pm

1 stop4h 41m

Idaho Falls Fanning Field

Wed 10/1

5:00 am-12:37 pm

1 stop6h 37m

$344

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Fri 9/26

5:13 pm-8:52 pm

1 stop4h 39m

Idaho Falls Fanning Field

Tue 9/30

5:00 am-10:42 am

1 stop4h 42m

$359

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Wed 9/24

8:00 am-5:15 pm

2 stops10h 15m

Idaho Falls Fanning Field

Tue 9/30

5:00 am-10:42 am

1 stop4h 42m

$364

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Mon 9/22

11:34 am-3:29 pm

1 stop4h 55m

Idaho Falls Fanning Field

Wed 10/1

7:00 am-12:37 pm

1 stop4h 37m

$384

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Tue 9/23

1:20 pm-5:23 pm

1 stop5h 03m

Idaho Falls Fanning Field

Wed 10/1

7:00 am-12:37 pm

1 stop4h 37m

$384

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Sat 9/20

4:09 pm-9:25 pm

1 stop6h 16m

$321

Des MoinesIdaho Falls

DSM - IDA

DSMIDA

Des Moines

Sat 9/20

12:32 pm-10:25 pm

2 stops10h 53m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Des Moines to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Des Moines with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Des Moines to Idaho Falls

What is the cheapest month to book a flight from Des Moines to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Des Moines to Idaho Falls (average of $380). Flying from Des Moines to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Des Moines to Idaho Falls, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Des Moines to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Des Moines to Idaho Falls?

    United Airlines can get you from Des Moines to Idaho Falls in just under 5h 24m. Your travel time can differ by up to . There are 945 mi between Des Moines and Idaho Falls.

  • What is the cheapest airline to fly from Des Moines to Idaho Falls round-trip?

    Currently priced at $288, United Airlines will fly you from Des Moines to Idaho Falls and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Des Moines to Idaho Falls for 53% less than the average price by searching for this airline.

  • Can I find deals for flights from Des Moines to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Des Moines to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Des Moines to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Des Moines to Idaho Falls.

  • Can I find deals for business class flights from Des Moines to Idaho Falls?

    Yes. Cheapflights offers flight deals from Des Moines to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Des Moines to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Des Moines to Idaho Falls (average of $380). Flying from Des Moines to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Des Moines to Idaho Falls

Discover the top airline that operate flights from Des Moines to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$535FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.