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Idaho Falls

$159+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:49 pm
AUS
-
IDA
1 stop20h 17m
Alaska Airlines
Sat 9/126:18 am
IDA
-
AUS
1 stop8h 03m
Alaska Airlines
Deal found 4/28$317
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:41 pm
AUS
-
IDA
1 stop20h 25m
Alaska Airlines
Wed 7/151:43 pm
IDA
-
AUS
1 stop9h 48m
Alaska Airlines
Deal found 4/24$323
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:04 pm
AUS
-
IDA
1 stop21h 22m
Alaska Airlines
Mon 5/184:03 pm
IDA
-
AUS
1 stop6h 36m
Alaska Airlines
Deal found 4/24$329
This Delta deal was found by Cheapflights users on 4/26. 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.
Sun 8/301:05 pm
AUS
-
IDA
2 stops10h 09m
Delta
Fri 9/43:04 pm
IDA
-
AUS
1 stop5h 10m
Delta
Deal found 4/26$334
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1411:44 am
AUS
-
IDA
1 stop29h 24m
Multiple Airlines
Mon 6/2210:56 pm
IDA
-
AUS
2 stops24h 03m
Multiple Airlines
Deal found 4/24$337
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:04 pm
AUS
-
IDA
1 stop21h 22m
Alaska Airlines
Wed 5/204:03 pm
IDA
-
AUS
1 stop6h 36m
Alaska Airlines
Deal found 4/25$348
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:15 pm
AUS
-
IDA
2 stops37h 40m
Multiple Airlines
Fri 7/1010:47 pm
IDA
-
AUS
1 stop13h 37m
Multiple Airlines
Deal found 4/26$354
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 7/78:15 am
AUS
-
IDA
1 stop7h 21m
Delta
Tue 7/213:25 pm
IDA
-
AUS
1 stop5h 05m
Delta
Deal found 4/25$358
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:15 am
AUS
-
IDA
1 stop6h 51m
Alaska Airlines
Wed 6/241:43 pm
IDA
-
AUS
1 stop9h 51m
Alaska Airlines
Deal found 4/24$368
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1411:44 am
AUS
-
IDA
1 stop29h 24m
Multiple Airlines
Sun 6/289:45 am
IDA
-
AUS
2 stops13h 14m
Multiple Airlines
Deal found 4/24$372
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:15 am
AUS
-
IDA
1 stop6h 51m
Alaska Airlines
Fri 6/264:14 pm
IDA
-
AUS
1 stop6h 35m
Alaska Airlines
Deal found 4/24$374
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:44 am
AUS
-
IDA
1 stop29h 24m
Multiple Airlines
Mon 6/2210:56 pm
IDA
-
AUS
2 stops24h 03m
Multiple Airlines
Deal found 4/24$375

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Alaska Airlines)

One-way from

$159
(Expedia)

Popular in

February

Cheapest in

April

Average price

$302
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. 2% potential increase in price ($10 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 April 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 April 29, 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

5:49 pm-1:06 pm

1 stop20h 17m

Idaho Falls Fanning Field

Sat 9/12

6:18 am-3:21 pm

1 stop8h 03m

$317

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sun 7/12

7:15 am-1:06 pm

1 stop6h 51m

Idaho Falls Fanning Field

Wed 7/15

1:43 pm-12:31 am

1 stop9h 48m

$423

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 7/11

4:17 pm-10:39 pm

1 stop7h 22m

Idaho Falls Fanning Field

Mon 7/13

4:14 pm-11:49 pm

1 stop6h 35m

$429

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 7/10

1:48 pm-10:32 pm

2 stops9h 44m

Idaho Falls Fanning Field

Wed 7/15

11:28 am-10:25 pm

2 stops9h 57m

$444

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 5/15

7:00 am-1:25 pm

1 stop7h 25m

Idaho Falls Fanning Field

Wed 5/20

2:31 pm-11:15 pm

2 stops7h 44m

$448

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 7/11

7:25 am-2:41 pm

2 stops8h 16m

Idaho Falls Fanning Field

Wed 7/15

11:28 am-11:29 pm

2 stops11h 01m

$459

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 6/4

7:15 am-1:17 pm

1 stop7h 02m

Idaho Falls Fanning Field

Wed 6/10

7:15 am-6:04 pm

1 stop9h 49m

$474

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 7/8

2:32 pm-6:19 pm

1 stop4h 47m

Idaho Falls Fanning Field

Wed 7/15

11:28 am-11:29 pm

2 stops11h 01m

$484
Quickest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 5/23

6:50 pm-10:42 pm

1 stop4h 52m

Idaho Falls Fanning Field

Sat 5/30

6:00 am-12:04 pm

1 stop5h 04m

$488

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

12:55 pm-10:14 pm

2 stops10h 19m

Idaho Falls Fanning Field

Sat 9/12

6:10 am-3:43 pm

2 stops8h 33m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 April.
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, April is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $302). Flying from Austin to Idaho Falls in February is currently the most expensive (average of $539). 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 April 29, 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
12,314 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,314 reviews
Alaska Airlines
7.9
Good
12,314 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,465 reviews
Alaska Airlines
7.9
Good
12,314 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,680 reviews
Alaska Airlines
7.9
Good
12,314 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 9h 44m. 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 $311, respectively. Delta is currently priced 67% 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, April is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $302). Flying from Austin to Idaho Falls in February is currently the most expensive (average of $539). 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 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$375FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$378FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$311Average$471FlexibilityNo cancel feeOn-time69%

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