$191 Cheap Flights from Des Moines (DSM) to Idaho Falls (IDA)

View $191 flight on Tue, Aug 4, 2026Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Des Moines to Idaho Falls (DSM-IDA)

Prices were available within the past 7 days and start at $191 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 23 - Wed, Jan 28
DSM
Des Moines
IDA
Idaho Falls
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Des Moines to Idaho Falls, returning Wed, Jan 28, priced at $259 found 3 days ago
Delta
Wed, Jan 14 - Sat, Jan 24
DSM
Des Moines
IDA
Idaho Falls
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jan 14 from Des Moines to Idaho Falls, returning Sat, Jan 24, priced at $269 found 2 days ago
United
Wed, Nov 12 - Mon, Nov 24
DSM
Des Moines
IDA
Idaho Falls
$274 Roundtrip, found 5 days ago
$274
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from Des Moines to Idaho Falls, returning Mon, Nov 24, priced at $274 found 5 days ago
United
Wed, Nov 12 - Mon, Nov 24
DSM
Des Moines
IDA
Idaho Falls
$279 Roundtrip, found 5 days ago
$279
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from Des Moines to Idaho Falls, returning Mon, Nov 24, priced at $279 found 5 days ago
Delta
Mon, Nov 10 - Sat, Dec 6
DSM
Des Moines
IDA
Idaho Falls
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 10 from Des Moines to Idaho Falls, returning Sat, Dec 6, priced at $284 found 6 days ago
United
Fri, Jan 23 - Wed, Jan 28
DSM
Des Moines
IDA
Idaho Falls
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 23 from Des Moines to Idaho Falls, returning Wed, Jan 28, priced at $292 found 3 days ago
Delta
Sat, Nov 15 - Sat, Dec 6
DSM
Des Moines
IDA
Idaho Falls
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 15 from Des Moines to Idaho Falls, returning Sat, Dec 6, priced at $294 found 6 days ago
United
Mon, Nov 24 - Thu, Nov 27
DSM
Des Moines
IDA
Idaho Falls
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 24 from Des Moines to Idaho Falls, returning Thu, Nov 27, priced at $310 found 6 days ago
United
Mon, Nov 24 - Thu, Nov 27
DSM
Des Moines
IDA
Idaho Falls
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 24 from Des Moines to Idaho Falls, returning Thu, Nov 27, priced at $317 found 6 days ago
American Airlines
Tue, May 12 - Wed, May 27
DSM
Des Moines
IDA
Idaho Falls
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, May 12 from Des Moines to Idaho Falls, returning Wed, May 27, priced at $329 found 2 days ago

Find the cheapest month to fly from Des Moines (DSM) to Idaho Falls (IDA)

September is typically the cheapest month to fly

From $243 - $502 per traveler.

Alternative airports near Idaho Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $344
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $344

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA) cost?
Lock in a cheap one-way flight from $191 or cheap return flight from $259 from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA)?
Planning your trip for January is a good way to save, as it's the cheapest month for flights between DSM and IDA. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA)?
To find the cheapest airline that'll fly you from DSM to IDA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA)?
There aren't any daily direct flights available from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from DSM to IDA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA)?
To avoid potential delays on the Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA) last-minute?
Booking your flight from DSM to IDA just before your getaway is usually more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a DSM to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking a DSM to IDA flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Idaho Falls Regional Airport (IDA)?
If you booked your DSM to IDA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Des Moines Intl.
Destination airport
Idaho Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
945 mi

Book with confidence

Des Moines to Idaho Falls Flights

The cheapest times to fly from Des Moines to Idaho Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Des Moines to Idaho Falls are during the month of January. You can find some of the cheapest flights from Des Moines to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Des Moines to Idaho Falls

Sunday is one of the best days to book for cheap flights from Des Moines to Idaho Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Des Moines to Idaho Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Des Moines to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $191 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Des Moines to Idaho Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Des Moines to Idaho Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Des Moines to Idaho Falls Flights

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*Available to One Key members.