HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$175+ Cheap flights from Austin to Idaho Falls (AUS - 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin 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 Austin to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 July 30, 2025.

Round-trip from

$382
(United Airlines)

One-way from

$175
(Hawaiian Airlines)

Popular in

November

Cheapest in

May

Average price

$515
From Austin Bergstrom to Idaho Falls Fanning Field
Search Deals
One-way flight from Austin Bergstrom to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Austin to Idaho Falls

Cheapest flights from Austin to Idaho Falls
Explore the most affordable flight options available from Austin to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 10/236:10 pmAUS - IDA
1 stop5h 39mUnited Airlines
Sun 10/265:00 amIDA - AUS
1 stop5h 27mUnited Airlines
Deal found 7/29$382
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:31 pmAUS - IDA
1 stop10h 07mHawaiian Airlines
Sun 10/263:50 pmIDA - AUS
1 stop7h 24mHawaiian Airlines
Deal found 7/29$414
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amAUS - IDA
2 stops10h 38mAlaska Airlines
Sun 10/263:50 pmIDA - AUS
1 stop7h 24mAlaska Airlines
Deal found 7/29$448
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:41 pmAUS - IDA
2 stops23h 49mMultiple Airlines
Mon 8/186:20 pmIDA - AUS
3 stops25h 25mMultiple Airlines
Deal found 7/30$452
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/254:40 pmAUS - IDA
1 stop5h 38mAmerican Airlines
Mon 9/17:00 amIDA - AUS
1 stop13h 02mAmerican Airlines
Deal found 7/28$585
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:05 pmAUS - IDA
1 stop5h 24mDelta
Mon 8/1111:20 amIDA - AUS
1 stop5h 19mDelta
Deal found 7/29$616

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 July 30, 2025.
Use the filters below to find and compare flights from Austin to Idaho Falls that are best for you.

Fly from

Austin

Fly to

Idaho Falls

Route

Depart

Return

Price

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/23

6:10 pm-10:49 pm

1 stop5h 39m

Idaho Falls Fanning Field

Sun 10/26

5:00 am-11:27 am

1 stop5h 27m

$382

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/23

1:31 pm-10:38 pm

1 stop10h 07m

Idaho Falls Fanning Field

Sun 10/26

3:50 pm-12:14 am

1 stop7h 24m

$414

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/23

6:00 am-3:38 pm

2 stops10h 38m

Idaho Falls Fanning Field

Sun 10/26

3:50 pm-12:14 am

1 stop7h 24m

$448

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 8/14

12:41 pm-11:30 am

2 stops23h 49m

Idaho Falls Fanning Field

Mon 8/18

6:20 pm-8:45 pm

3 stops25h 25m

$452

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 8/25

4:40 pm-9:18 pm

1 stop5h 38m

Idaho Falls Fanning Field

Mon 9/1

7:00 am-9:02 pm

1 stop13h 02m

$585

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 8/9

6:05 pm-10:29 pm

1 stop5h 24m

Idaho Falls Fanning Field

Mon 8/11

11:20 am-5:39 pm

1 stop5h 19m

$616

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 8/25

1:40 pm-10:39 pm

1 stop9h 59m

$175

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 9/4

3:31 pm-9:25 pm

1 stop6h 54m

$176

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 8/25

4:20 pm-10:48 pm

2 stops7h 28m

$181

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 9/4

12:15 pm-4:05 pm

3 stops28h 50m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Austin to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Austin 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 Austin to Idaho Falls

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

Currently, October is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $380). Flying from Austin 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 July 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Austin to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What are the cheapest airlines flying from Austin to Idaho Falls round-trip?

    Currently priced at $382, United Airlines will fly you from Austin to Idaho Falls and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Alaska Airlines - these airlines can fly you to your destination from $414 and $448, respectively. United Airlines is currently priced 31% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Austin to Idaho Falls one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $175. Users have also found prices from $176 and $181 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $380). Flying from Austin 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.

Alternative routes for Austin to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Spokane flights
Dallas/Fort Worth to Boise flights
Dallas/Fort Worth to Jackson flights
Austin to Boise flights
Hobby to Jackson flights
George Bush Intcntl to Jackson flights
Dallas/Fort Worth to Idaho Falls flights
Austin to Jackson flights
Hobby to Spokane flights
Hobby to Boise flights
San Antonio to Spokane flights
George Bush Intcntl to Boise flights
George Bush Intcntl to Spokane flights
Austin to Spokane flights
Love Field to Boise flights
Hobby to Idaho Falls flights
Love Field to Spokane flights
George Bush Intcntl to West Yellowstone flights
Hobby to West Yellowstone flights
George Bush Intcntl to Idaho Falls flights
Dallas/Fort Worth to Hailey flights
San Antonio to Boise flights
Dallas/Fort Worth to West Yellowstone flights
San Antonio to Jackson flights
San Antonio to Idaho Falls flights
Love Field to Jackson flights
Austin to Hailey flights
Dallas/Fort Worth to Twin Falls flights
Hobby to Pocatello flights
Hobby to Twin Falls flights
El Paso to Boise flights
Tyler to Spokane flights
Brownsville to Spokane flights
Harlingen to Spokane flights
Amarillo to Spokane flights
Dallas/Fort Worth to Lewiston flights
Lubbock to Boise flights
George Bush Intcntl to Pocatello flights
George Bush Intcntl to Twin Falls flights
Midland to Spokane flights
McAllen to Jackson flights
Texarkana to Spokane flights
El Paso to Spokane flights
Corpus Christi to Spokane flights
Dallas/Fort Worth to Pocatello flights
McAllen to Spokane flights
McAllen to Lewiston flights
Midland to Boise flights

Top 3 airlines flying from Austin to Idaho Falls

Discover the top 3 airlines that operate flights from Austin 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$535FlexibilityNo cancel feeOn-time71%
DeltaCheapest$324Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$400Average$527FlexibilityNo 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.