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Idaho Falls

$207+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:52 pm
AUS
-
IDA
1 stop20h 32m
Alaska Airlines
Sat 9/126:18 am
IDA
-
AUS
1 stop8h 03m
Alaska Airlines
Deal found 7/27$413
This Delta deal was found by Cheapflights users on 7/25. 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 9/512:00 pm
AUS
-
IDA
2 stops11h 32m
Delta
Wed 9/96:00 am
IDA
-
AUS
1 stop4h 27m
Delta
Deal found 7/25$418
This Delta deal was found by Cheapflights users on 7/24. 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 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 7/24$428
This Delta deal was found by Cheapflights users on 7/25. 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.
Thu 9/312:20 pm
AUS
-
IDA
1 stop23h 30m
Delta
Wed 9/96:00 am
IDA
-
AUS
1 stop4h 27m
Delta
Deal found 7/25$429
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 9/142:30 pm
AUS
-
IDA
1 stop4h 47m
Delta
Thu 9/176:00 am
IDA
-
AUS
1 stop4h 27m
Delta
Deal found 7/26$431
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
AUS
-
IDA
1 stop6h 30m
American Airlines
Fri 8/282:20 pm
IDA
-
AUS
1 stop6h 13m
American Airlines
Deal found 7/27$439
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 8/282:32 pm
AUS
-
IDA
1 stop4h 48m
Delta
Fri 9/411:35 am
IDA
-
AUS
2 stops10h 57m
Delta
Deal found 7/27$444

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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$413
(Alaska Airlines)

One-way from

$207
(Delta)

Popular in

February

Cheapest in

March

Average price

$492
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 28, 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

5:52 pm-1:24 pm

1 stop20h 32m

Idaho Falls Fanning Field

Sat 9/12

6:18 am-3:21 pm

1 stop8h 03m

$413

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-3:36 pm

2 stops8h 36m

$428
Quickest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 9/14

2:30 pm-6:17 pm

1 stop4h 47m

Idaho Falls Fanning Field

Thu 9/17

6:00 am-11:27 am

1 stop4h 27m

$431

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 8/28

7:20 am-2:35 pm

2 stops8h 15m

Idaho Falls Fanning Field

Fri 9/4

11:35 am-11:32 pm

2 stops10h 57m

$450
Cheapest one-way

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

6:11 pm-10:32 pm

1 stop5h 21m

$207

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

5:30 am-3:23 pm

2 stops10h 53m

$212

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 8/6

8:30 am-1:25 pm

1 stop5h 55m

$241
Quickest one-way

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 9/4

2:32 pm-6:20 pm

1 stop4h 48m

$250

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 8/6

7:43 pm-4:05 pm

2 stops21h 22m

$256

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

8:15 pm-11:54 am

3 stops40h 39m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 12 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?

Airfare is typical for this route at the moment.

Austin to Idaho Falls flights typically cost between $316 and $540 in September.
The cheapest round-trip price found within the last 5 days was $413 on Alaska Airlines (Sep 5-Sep 12).

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 28, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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
12,721 reviews

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

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
12,721 reviews
Alaska Airlines
7.9
Good
12,721 reviews

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

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.
Delta
7.8
Good
8,480 reviews
Alaska Airlines
7.9
Good
12,721 reviews

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

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
10,046 reviews
Alaska Airlines
7.9
Good
12,721 reviews

Overall

7.9

Food

7.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

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 Alaska Airlines or Delta 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. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $237 and $298, respectively. Delta is currently priced 68% 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 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$339FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$370FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$298Average$492FlexibilityNo cancel feeOn-time69%

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