$177 Cheap Flights from Austin (AUS) to Idaho Falls (IDA)

View $177 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Austin to Idaho Falls (AUS-IDA)

Prices were available within the past 7 days and start at $177 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Jan 16 - Wed, Jan 21
AUS
Austin
IDA
Idaho Falls
$312 Roundtrip, found 5 hours ago
$312
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Austin to Idaho Falls, returning Wed, Jan 21, priced at $312 found 5 hours ago
Alaska Airlines
Fri, Jan 16 - Wed, Jan 21
AUS
Austin
IDA
Idaho Falls
$322 Roundtrip, found 5 hours ago
$322
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Austin to Idaho Falls, returning Wed, Jan 21, priced at $322 found 5 hours ago
Delta
Wed, Feb 25 - Tue, Mar 10
AUS
Austin
IDA
Idaho Falls
$324 Roundtrip, found 22 hours ago
$324
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Feb 25 from Austin to Idaho Falls, returning Tue, Mar 10, priced at $324 found 22 hours ago
Hawaiian Airlines
Wed, Dec 3 - Sat, Dec 6
AUS
Austin
IDA
Idaho Falls
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Austin to Idaho Falls, returning Sat, Dec 6, priced at $328 found 4 days ago
Alaska Airlines
Tue, Jan 13 - Tue, Jan 20
AUS
Austin
IDA
Idaho Falls
$332 Roundtrip, found 21 hours ago
$332
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Austin to Idaho Falls, returning Tue, Jan 20, priced at $332 found 21 hours ago
Hawaiian Airlines
Wed, Dec 3 - Fri, Dec 5
AUS
Austin
IDA
Idaho Falls
$338 Roundtrip, found 4 days ago
$338
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Austin to Idaho Falls, returning Fri, Dec 5, priced at $338 found 4 days ago
Alaska Airlines
Thu, Feb 5 - Tue, Feb 17
AUS
Austin
IDA
Idaho Falls
$342 Roundtrip, found 22 hours ago
$342
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Thu, Feb 5 from Austin to Idaho Falls, returning Tue, Feb 17, priced at $342 found 22 hours ago
Alaska Airlines
Fri, Jan 16 - Wed, Jan 21
AUS
Austin
IDA
Idaho Falls
$343 Roundtrip, found 5 hours ago
$343
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Austin to Idaho Falls, returning Wed, Jan 21, priced at $343 found 5 hours ago
United
Mon, Feb 16 - Tue, Feb 24
AUS
Austin
IDA
Idaho Falls
$371 Roundtrip, found 1 day ago
$371
Roundtrip
found 1 day ago
Select United flight, departing Mon, Feb 16 from Austin to Idaho Falls, returning Tue, Feb 24, priced at $371 found 1 day ago
American Airlines
Fri, Jan 16 - Wed, Jan 21
AUS
Austin
IDA
Idaho Falls
$402 Roundtrip, found 5 hours ago
$402
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Jan 16 from Austin to Idaho Falls, returning Wed, Jan 21, priced at $402 found 5 hours ago

Find the cheapest month to fly from Austin (AUS) to Idaho Falls (IDA)

February is typically the cheapest month to fly

From $285 - $694 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 $466
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $466

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA) cost?
Grab a cheap one-way flight from $177 or cheap return flight from $312 from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)?
Planning your getaway for January may help you find better deals, as it's the cheapest month for flights between AUS and IDA. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest AUS to IDA flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)?
There are no daily direct flights available from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from AUS to IDA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)?
To avoid possible delays on the Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being 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 Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA) last-minute?
Last-minute fares from AUS to IDA are usually more expensive. To lock in the best prices, start searching for flights well ahead of time. That being said, if your travel plans are flexible, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book an AUS to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to IDA flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Idaho Falls Regional Airport (IDA)?
Typically, you can cancel or modify your AUS to IDA flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$312
Distance
1212 mi

Book with confidence

Austin to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $177 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 Austin 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 Austin 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.

 

Austin to Idaho Falls Flights

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*Available to One Key members.