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Idaho Falls

$165+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
abr. 10 — abr. 171
vie. 4/10
vie. 4/17
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 marzo 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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.
sáb. 9/125:35 am
AUS
-
IDA
1 stop5h 18m
United Airlines
mar. 9/224:10 pm
IDA
-
AUS
1 stop6h 31m
United Airlines
Deal found 3/8$309
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
mar. 9/151:36 pm
AUS
-
IDA
1 stop10h 03m
Alaska Airlines
mié. 9/234:00 pm
IDA
-
AUS
1 stop6h 39m
Alaska Airlines
Deal found 3/9$329
This United Airlines deal was found by Cheapflights users on 3/8. 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.
sáb. 8/155:35 am
AUS
-
IDA
1 stop5h 18m
United Airlines
sáb. 8/222:30 pm
IDA
-
AUS
2 stops7h 43m
United Airlines
Deal found 3/8$331
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
mié. 6/247:15 am
AUS
-
IDA
1 stop6h 51m
Alaska Airlines
jue. 7/24:14 pm
IDA
-
AUS
1 stop6h 35m
Alaska Airlines
Deal found 3/8$334
This United Airlines deal was found by Cheapflights users on 3/10. 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.
vie. 8/285:35 am
AUS
-
IDA
1 stop5h 18m
United Airlines
sáb. 9/54:10 pm
IDA
-
AUS
1 stop6h 31m
United Airlines
Deal found 3/10$349
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
lun. 9/141:36 pm
AUS
-
IDA
1 stop10h 03m
Alaska Airlines
mié. 9/234:00 pm
IDA
-
AUS
1 stop6h 39m
Alaska Airlines
Deal found 3/9$354
This United Airlines deal was found by Cheapflights users on 3/8. 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.
vie. 4/175:30 am
AUS
-
IDA
2 stops11h 09m
United Airlines
dom. 4/192:30 pm
IDA
-
AUS
1 stop5h 45m
United Airlines
Deal found 3/8$357
This United Airlines deal was found by Cheapflights users on 3/10. 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.
vie. 4/247:00 am
AUS
-
IDA
1 stop7h 24m
United Airlines
dom. 4/262:30 pm
IDA
-
AUS
1 stop5h 45m
United Airlines
Deal found 3/10$370
This United Airlines deal was found by Cheapflights users on 3/9. 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.
mié. 4/110:50 am
AUS
-
IDA
1 stop5h 49m
United Airlines
sáb. 4/46:45 am
IDA
-
AUS
1 stop5h 23m
United Airlines
Deal found 3/9$374
This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/259:15 am
AUS
-
IDA
1 stop5h 33m
American Airlines
mar. 3/312:18 pm
IDA
-
AUS
1 stop6h 57m
American Airlines
Deal found 3/11$379

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 marzo 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Travelocity)

One-way from

$165
(United Airlines)

Popular in

April

Cheapest in

March

Average price

$311
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, 7% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 marzo 11, 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

sáb. 9/5

5:35 am-9:53 am

1 stop5h 18m

Idaho Falls Fanning Field

sáb. 9/12

4:10 pm-11:41 pm

1 stop6h 31m

$309

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

vie. 4/17

5:30 am-3:39 pm

2 stops11h 09m

Idaho Falls Fanning Field

dom. 4/19

2:30 pm-9:15 pm

1 stop5h 45m

$357

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

vie. 4/24

7:00 am-1:24 pm

1 stop7h 24m

Idaho Falls Fanning Field

dom. 4/26

2:30 pm-9:15 pm

1 stop5h 45m

$370

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 4/1

10:50 am-3:39 pm

1 stop5h 49m

Idaho Falls Fanning Field

sáb. 4/4

2:30 pm-11:15 pm

2 stops7h 45m

$379
Quickest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 3/25

9:08 am-1:30 pm

1 stop5h 22m

Idaho Falls Fanning Field

dom. 3/29

2:30 pm-9:15 pm

1 stop5h 45m

$405

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

sáb. 9/5

6:00 am-10:39 pm

2 stops17h 39m

Idaho Falls Fanning Field

sáb. 9/12

6:15 am-3:15 pm

1 stop8h 00m

$423

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

vie. 4/3

7:00 am-1:24 pm

1 stop7h 24m

Idaho Falls Fanning Field

vie. 4/10

2:30 pm-9:14 pm

1 stop5h 44m

$425

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 6/24

5:39 am-9:50 am

1 stop5h 11m

Idaho Falls Fanning Field

jue. 7/2

2:30 pm-9:54 pm

1 stop6h 24m

$434

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 6/24

7:20 am-2:27 pm

2 stops8h 07m

Idaho Falls Fanning Field

jue. 7/2

6:10 am-11:49 am

1 stop4h 39m

$459
Cheapest one-way
Quickest one-way

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 7/15

5:39 am-9:50 am

1 stop5h 11m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 14 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 March.
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 $348). 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 marzo 11, 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
8,278 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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
9,414 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

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 5h 18m. Fly via United Airlines to get the fastest option. Austin and Idaho Falls are separated by a distance of 1212 mi.

  • 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 $311. Delta is currently priced 69% 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 $348). 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 marzo 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$471FlexibilityNo cancel feeOn-time69%

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