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Idaho Falls

$176+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
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 July 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:47 pm
AUS
-
IDA
1 stop28h 18m
Multiple Airlines
Mon 8/1710:54 pm
IDA
-
AUS
2 stops23h 47m
Multiple Airlines
Deal found 7/14$328
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:01 pm
AUS
-
IDA
1 stop14h 33m
Multiple Airlines
Fri 9/186:51 pm
IDA
-
AUS
2 stops23h 30m
Multiple Airlines
Deal found 7/15$351
This Trip.com deal was found by Cheapflights users on 7/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:30 am
AUS
-
IDA
1 stop7h 50m
Alaska Airlines
Tue 9/223:57 pm
IDA
-
AUS
1 stop7h 02m
Alaska Airlines
Deal found 7/14$391
This Trip.com deal was found by Cheapflights users on 7/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:30 am
AUS
-
IDA
1 stop7h 50m
Alaska Airlines
Sat 9/263:57 pm
IDA
-
AUS
1 stop7h 02m
Alaska Airlines
Deal found 7/11$393
This Trip.com deal was found by Cheapflights users on 7/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:24 pm
AUS
-
IDA
1 stop7h 32m
Alaska Airlines
Mon 9/213:57 pm
IDA
-
AUS
1 stop7h 02m
Alaska Airlines
Deal found 7/11$402
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 10/243:38 pm
AUS
-
IDA
1 stop8h 16m
Alaska Airlines
Wed 10/286:09 am
IDA
-
AUS
1 stop7h 29m
Alaska Airlines
Deal found 7/12$403
This Delta deal was found by Cheapflights users on 7/15. 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 9/56:11 pm
AUS
-
IDA
1 stop5h 21m
Delta
Sat 9/126:00 am
IDA
-
AUS
2 stops8h 36m
Delta
Deal found 7/15$408
This Expedia deal was found by Cheapflights users on 7/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:15 am
AUS
-
IDA
1 stop6h 51m
Alaska Airlines
Mon 8/174:14 pm
IDA
-
AUS
1 stop6h 35m
Alaska Airlines
Deal found 7/13$412
This Delta deal was found by Cheapflights users on 7/14. 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 9/161:30 pm
AUS
-
IDA
2 stops9h 52m
Delta
Tue 9/221:05 pm
IDA
-
AUS
2 stops9h 20m
Delta
Deal found 7/14$413
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 10/95:30 am
AUS
-
IDA
1 stop5h 23m
United Airlines
Tue 10/134:05 pm
IDA
-
AUS
1 stop6h 54m
United Airlines
Deal found 7/13$416
This Delta deal was found by Cheapflights users on 7/11. 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 9/1510:25 am
AUS
-
IDA
2 stops12h 57m
Delta
Mon 9/216:00 am
IDA
-
AUS
1 stop4h 27m
Delta
Deal found 7/11$417
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:12 pm
AUS
-
IDA
2 stops43h 48m
Multiple Airlines
Fri 8/710:54 pm
IDA
-
AUS
1 stop15h 15m
Multiple Airlines
Deal found 7/11$418

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 July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Kiwi.com)

One-way from

$176
(Kiwi.com)

Popular in

February

Cheapest in

March

Average price

$433
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
One-way flight from Austin Bergstrom to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 16, 2026.
Use the filters below to find and compare flights from Austin to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

6:11 pm-10:32 pm

1 stop5h 21m

Idaho Falls Fanning Field

Sat 9/12

6:00 am-1:10 pm

1 stop6h 10m

$403

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/16

6:13 pm-10:22 pm

1 stop5h 09m

Idaho Falls Fanning Field

Sat 9/26

6:00 am-3:36 pm

2 stops8h 36m

$408

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/9

5:52 pm-1:24 pm

1 stop20h 32m

Idaho Falls Fanning Field

Sun 9/13

6:18 am-3:21 pm

1 stop8h 03m

$416

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 10/9

5:30 am-9:53 am

1 stop5h 23m

Idaho Falls Fanning Field

Tue 10/13

4:05 pm-11:59 pm

1 stop6h 54m

$416

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 9/15

10:25 am-10:22 pm

2 stops12h 57m

Idaho Falls Fanning Field

Mon 9/21

6:00 am-11:27 am

1 stop4h 27m

$417

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 8/28

12:00 pm-10:32 pm

2 stops11h 32m

Idaho Falls Fanning Field

Fri 9/4

6:00 am-11:25 am

1 stop4h 25m

$459

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 7/30

5:39 am-9:50 am

1 stop5h 11m

Idaho Falls Fanning Field

Wed 8/5

2:30 pm-11:12 pm

2 stops7h 42m

$468

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/16

6:00 am-10:56 pm

2 stops17h 56m

Idaho Falls Fanning Field

Tue 9/22

6:18 am-7:19 pm

2 stops12h 01m

$497
Quickest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 8/1

5:39 am-9:50 am

1 stop5h 11m

Idaho Falls Fanning Field

Sat 8/8

5:54 pm-11:44 pm

1 stop4h 50m

$509

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 8/5

2:45 pm-9:07 pm

1 stop7h 22m

Idaho Falls Fanning Field

Thu 8/6

4:14 pm-11:44 pm

1 stop6h 30m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 July.
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

How much does it cost to fly round-trip from Austin to Idaho Falls?

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 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines 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.
Alaska Airlines
7.9
Good
12,659 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Alaska Airlines
7.9
Good
12,659 reviews
Alaska Airlines
7.9
Good
12,659 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
United Airlines
7.4
Good
9,994 reviews
Alaska Airlines
7.9
Good
12,659 reviews

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Stephen,Jun 2024

AUS - SAN

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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 5h 21m. Fly via Delta, 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 $237, Alaska Airlines will fly you from Austin to Idaho Falls and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $298. Alaska Airlines is currently priced 45% 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.

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 July 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$237Average$370FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$298Average$471FlexibilityNo cancel feeOn-time69%

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