$193 Cheap United flights from Austin to Idaho Falls (AUS to IDA)

Find The Best Day To Fly from Austin to Idaho Falls

Amazing United AUS to IDA Flight Deals

The cheapest flights to Idaho Falls Regional found within the past 7 days were $388 round trip and $193 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Sep 5 - Mon, Sep 8
AUS
Austin
IDA
Idaho Falls
$388 Roundtrip, found 6 days ago
$388
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Austin to Idaho Falls, returning Mon, Sep 8, priced at $388 found 6 days ago
Fri, Sep 5 - Mon, Sep 8
AUS
Austin
IDA
Idaho Falls
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Austin to Idaho Falls, returning Mon, Sep 8, priced at $393 found 6 days ago
Fri, Sep 5 - Mon, Sep 8
AUS
Austin
IDA
Idaho Falls
$403 Roundtrip, found 6 days ago
$403
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Austin to Idaho Falls, returning Mon, Sep 8, priced at $403 found 6 days ago

IDA From AUS Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Starlight Retreat Yellowstone

Starlight Retreat Yellowstone

2 out of 5
per person
Oct 2 - Oct 8
found 21 hours ago
Roundtrip non-stop flight included
Austin (AUS) to Idaho Falls (IDA)
Sawtelle Mountain Resort

Sawtelle Mountain Resort

2.5 out of 5
per person
Aug 30 - Sep 7
found 1 day ago
Roundtrip non-stop flight included
Austin (AUS) to Idaho Falls (IDA)
My Yellowstone Retreat

My Yellowstone Retreat

4 out of 5
Save 100% on your flight
per person
Oct 2 - Oct 8
found 21 hours ago
Roundtrip non-stop flight included
Austin (AUS) to Idaho Falls (IDA)
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Frequently asked questions

Can I catch a flight from AUS to Idaho Falls Regional Airport (IDA) right now?
For info on any current IDA quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught out en route.
What terminal is United Airlines at AUS?
Check your ticket to find out which Austin–Bergstrom International Airport terminal you'll be taking off from on your way to Idaho Falls Regional Airport with United Airlines. If you can't spot the details on there, consult your airline.
Are there United Airlines non-stop flights from AUS to IDA?
As you can't travel direct from Austin–Bergstrom International Airport to Idaho Falls Regional Airport with United Airlines, make the most of your layover. Order some drinks at a cozy airport bar, or stroll about the terminal and indulge in some retail therapy.
How long is a United Airlines flight from AUS to IDA?
Enjoy some in-flight shut-eye and begin your vacation well-rested. You'll have ample time to do so when traveling with United Airlines between AUS and IDA, with the flight taking about 4 hours and 13 minutes.
How many direct and indirect flights does United Airlines fly from AUS to IDA?
You'll find there are roughly 3 United Airlines flights each day from AUS to IDA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to IDA, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Travelers ❤️ these 🏨 after their flight to Idaho Falls

Motel West

Motel West

2.5 out of 5
1540 West Broadway, Idaho Falls, ID
This motel features an indoor pool, a hot tub, and a restaurant. Guests will appreciate free perks like free self parking and WiFi in public areas. A hair salon ...
8.6/10 Excellent! (1,453 reviews)
"Good value for the money. Beds very comfortable."

Reviewed on Jul 15, 2025

Motel West
Econo Lodge

Econo Lodge

2 out of 5
1448 W Broadway St, Idaho Falls, ID
A seasonal outdoor pool, free self parking, and laundry facilities are featured at this hotel. WiFi in public areas is free. A snack bar/deli is provided and ...
7.6/10 Good! (1,039 reviews)
"Staff is always great. Checks me in right away."

Reviewed on Jul 17, 2025

Econo Lodge
Shilo Inns Idaho Falls

Shilo Inns Idaho Falls

2.5 out of 5
780 Lindsay Blvd, Idaho Falls, ID
This hotel features an indoor pool and a 24-hour gym. Enjoy the hot tub and free perks like buffet breakfast and free self parking. Enjoy the sauna and conveniences ...
8/10 Very Good! (1,694 reviews)
"Nice river view from walkout patio"

Reviewed on Jul 16, 2025

Shilo Inns Idaho Falls
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.