$218 Cheap Flights from Appleton (ATW) to Idaho Falls (IDA)

View $218 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Appleton, WI (ATW-Appleton Intl.) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Appleton to Idaho Falls (ATW-IDA)

Prices were available within the past 7 days and start at $218 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 6 - Thu, Dec 25
ATW
Appleton
IDA
Idaho Falls
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Appleton to Idaho Falls, returning Thu, Dec 25, priced at $269 found 6 days ago
Delta
Sat, Dec 6 - Fri, Dec 12
ATW
Appleton
IDA
Idaho Falls
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Appleton to Idaho Falls, returning Fri, Dec 12, priced at $294 found 6 days ago
Delta
Sat, Dec 6 - Sat, Dec 13
ATW
Appleton
IDA
Idaho Falls
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Appleton to Idaho Falls, returning Sat, Dec 13, priced at $329 found 6 days ago
American Airlines
Tue, Jan 13 - Wed, Jan 28
ATW
Appleton
IDA
Idaho Falls
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Jan 13 from Appleton to Idaho Falls, returning Wed, Jan 28, priced at $339 found 6 days ago
United
Tue, Jan 13 - Tue, Jan 27
ATW
Appleton
IDA
Idaho Falls
$344 Roundtrip, found 6 days ago
$344
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 13 from Appleton to Idaho Falls, returning Tue, Jan 27, priced at $344 found 6 days ago
Delta
Sun, Dec 7 - Thu, Dec 25
ATW
Appleton
IDA
Idaho Falls
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Dec 7 from Appleton to Idaho Falls, returning Thu, Dec 25, priced at $358 found 6 days ago
Delta
Sat, Dec 6 - Wed, Dec 10
ATW
Appleton
IDA
Idaho Falls
$363 Roundtrip, found 6 days ago
$363
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Appleton to Idaho Falls, returning Wed, Dec 10, priced at $363 found 6 days ago
United
Sat, May 2 - Sat, May 9
ATW
Appleton
IDA
Idaho Falls
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 2 from Appleton to Idaho Falls, returning Sat, May 9, priced at $373 found 2 days ago
American Airlines
Fri, Dec 5 - Sat, Dec 6
ATW
Appleton
IDA
Idaho Falls
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 5 from Appleton to Idaho Falls, returning Sat, Dec 6, priced at $374 found 6 days ago
Delta
Tue, Nov 18 - Sat, Dec 6
ATW
Appleton
IDA
Idaho Falls
$383 Roundtrip, found 6 days ago
$383
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 18 from Appleton to Idaho Falls, returning Sat, Dec 6, priced at $383 found 6 days ago

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 $543
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $543

Frequently asked questions

How much does a flight from Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA) cost?
Grab a cheap one-way flight from $218 or cheap return flight from $269 from Appleton Intl. Airport (ATW) 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 Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA)?
The cheapest month to fly from ATW to IDA is December, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA)?
To find the cheapest airline that'll fly you from ATW to IDA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat 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 Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA)?
Direct flights from Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ATW to IDA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA)?
To avoid potential delays on the Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA) route, aim to fly before 3 PM. Later departures 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 Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA) last-minute?
Last-minute bookings from ATW to IDA are typically more expensive. For the lowest prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book an ATW to IDA flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATW to IDA flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Appleton Intl. Airport (ATW) to Idaho Falls Regional Airport (IDA)?
Usually, it's possible to cancel or reschedule your ATW to IDA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Appleton Intl.
Destination airport
Idaho Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$269
Distance
1170 mi

Book with confidence

Appleton to Idaho Falls Flights

The cheapest times to fly from Appleton 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 Appleton to Idaho Falls are during the month of December. You can find some of the cheapest flights from Appleton to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Appleton to Idaho Falls

Sunday is one of the best days to book for cheap flights from Appleton 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 Appleton 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 Appleton to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $218 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 Appleton 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 Appleton 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.

 

Appleton to Idaho Falls Flights

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*Available to One Key members.