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Idaho Falls

$263+ Cheap flights from Austin to Idaho Falls (AUS - IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/257:00 pm
AUS
-
IDA
1 stop22h 43m
Alaska Airlines
Wed 3/48:00 am
IDA
-
AUS
1 stop9h 00m
Alaska Airlines
Deal found 1/26$263
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/247:00 pm
AUS
-
IDA
1 stop22h 43m
Alaska Airlines
Sat 2/285:20 pm
IDA
-
AUS
1 stop20h 15m
Alaska Airlines
Deal found 1/26$289
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 6/245:46 am
AUS
-
IDA
2 stops8h 45m
United Airlines
Thu 7/25:57 pm
IDA
-
AUS
1 stop4h 41m
United Airlines
Deal found 1/27$294
This United Airlines deal was found by Cheapflights users on 1/26. 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 6/45:45 am
AUS
-
IDA
1 stop4h 43m
United Airlines
Wed 6/105:57 pm
IDA
-
AUS
1 stop4h 41m
United Airlines
Deal found 1/26$314
This Delta deal was found by Cheapflights users on 1/26. 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.
Tue 2/241:59 pm
AUS
-
IDA
2 stops9h 22m
Delta
Sat 2/285:25 am
IDA
-
AUS
1 stop7h 30m
Delta
Deal found 1/26$319
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 6/242:25 pm
AUS
-
IDA
1 stop4h 49m
Delta
Thu 7/26:10 am
IDA
-
AUS
1 stop4h 39m
Delta
Deal found 1/27$379
This Travelocity deal was found by Cheapflights users on 1/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:15 am
AUS
-
IDA
1 stop10h 28m
Alaska Airlines
Wed 3/48:00 am
IDA
-
AUS
1 stop9h 00m
Alaska Airlines
Deal found 1/27$389
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sat 1/318:50 am
AUS
-
IDA
1 stop5h 40m
United Airlines
Tue 2/32:40 pm
IDA
-
AUS
1 stop5h 45m
United Airlines
Deal found 1/24$409

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$263
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$466
Provider with most accurate pricing for Austin Bergstrom-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Idaho Falls Fanning Field flights.
Search Deals
From Austin Bergstrom to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Wed 2/25

7:00 pm-4:43 pm

1 stop22h 43m

Idaho Falls Fanning Field

Wed 3/4

8:00 am-6:00 pm

1 stop9h 00m

$263

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 6/24

5:46 am-1:31 pm

2 stops8h 45m

Idaho Falls Fanning Field

Thu 7/2

4:15 pm-11:38 pm

1 stop6h 23m

$294

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 6/4

5:45 am-9:28 am

1 stop4h 43m

Idaho Falls Fanning Field

Wed 6/10

5:57 pm-11:38 pm

1 stop4h 41m

$314

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 2/24

1:59 pm-10:21 pm

2 stops9h 22m

Idaho Falls Fanning Field

Sat 2/28

5:25 am-1:55 pm

1 stop7h 30m

$319

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 6/24

2:25 pm-6:14 pm

1 stop4h 49m

Idaho Falls Fanning Field

Thu 7/2

6:10 am-11:49 am

1 stop4h 39m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from Austin to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $173). Flying from Austin to Idaho Falls in August is currently the most expensive (average of $357). 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 January 27, 2026.
Get a feel of what it's like to fly with Delta and United 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.
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Austin to Idaho Falls?

    There are many flights that can get you from Austin to Idaho Falls in 8h 45m. Fly via Alaska Airlines or United Airlines to get the fastest option. Austin and Idaho Falls are separated by a distance of 1212 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $139, Delta will fly you from Austin to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $400. Delta is currently priced 71% below the average price you’ll pay for this route.

  • 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, September is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $173). Flying from Austin to Idaho Falls in August is currently the most expensive (average of $357). 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

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Top 2 airlines flying from Austin to Idaho Falls

Discover the top 2 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$400Average$512FlexibilityNo cancel feeOn-time69%

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