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$149+ Cheap flights from Idaho Falls to Austin (IDA - AUS)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — AUS
juil. 8 — juil. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Idaho Falls to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Austin (AUS). 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 juillet 3, 2025.

Round-trip from

$350
(Alaska Airlines)

One-way from

$149
(Hawaiian Airlines)

Popular in

October

Cheapest in

August

Average price

$585
From Idaho Falls Fanning Field to Austin Bergstrom
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One-way flight from Idaho Falls Fanning Field to Austin Bergstrom
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Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Idaho Falls to Austin

Cheapest flights from Idaho Falls to Austin
Explore the most affordable flight options available from Idaho Falls to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. 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. 9/306:13 amIDA - AUS
1 stop8h 05mAlaska Airlines
mer. 10/81:31 pmAUS - IDA
1 stop10h 07mAlaska Airlines
Deal found 7/2$350
This Delta deal was found by Cheapflights users on 7/3. 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.
ven. 10/36:51 pmIDA - AUS
1 stop4h 33mDelta
sam. 10/46:57 pmAUS - IDA
1 stop4h 28mDelta
Deal found 7/3$355
This United Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 9/305:00 amIDA - AUS
1 stop5h 29mUnited Airlines
mer. 10/82:15 pmAUS - IDA
2 stops7h 37mUnited Airlines
Deal found 7/2$369
This American Airlines deal was found by Cheapflights users on 6/30. 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.
mer. 7/91:47 pmIDA - AUS
1 stop5h 33mAmerican Airlines
sam. 7/125:25 pmAUS - IDA
1 stop5h 10mAmerican Airlines
Deal found 6/30$561
This United deal was found by Cheapflights users on 7/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/1910:45 amIDA - AUS
3 stops12h 14mMultiple Airlines
sam. 7/267:37 amAUS - IDA
2 stops8h 45mMultiple Airlines
Deal found 7/2$1,174

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho Falls to Austin 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 juillet 3, 2025.
Use the filters below to find and compare flights from Idaho Falls to Austin that are best for you.

Fly from

Idaho Falls

Fly to

Austin

Route

Depart

Return

Price

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

mar. 9/30

6:13 am-3:18 pm

1 stop8h 05m

Austin Bergstrom

mer. 10/8

1:31 pm-10:38 pm

1 stop10h 07m

$350

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

ven. 10/3

6:51 pm-12:24 am

1 stop4h 33m

Austin Bergstrom

sam. 10/4

6:57 pm-10:25 pm

1 stop4h 28m

$355

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

mar. 9/30

5:00 am-11:29 am

1 stop5h 29m

Austin Bergstrom

mer. 10/8

2:15 pm-8:52 pm

2 stops7h 37m

$369

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

sam. 7/19

10:45 am-11:59 pm

3 stops12h 14m

Austin Bergstrom

sam. 7/26

7:37 am-3:22 pm

2 stops8h 45m

$1,174

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

mer. 9/3

3:57 pm-12:04 am

1 stop7h 07m

$149

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

mer. 9/3

6:00 am-3:43 pm

2 stops8h 43m

$181

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

mer. 9/10

3:57 pm-12:47 pm

2 stops19h 50m

$210

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

dim. 8/3

9:47 am-3:29 pm

2 stops28h 42m

$223

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

sam. 8/2

5:00 am-11:28 am

1 stop5h 28m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Idaho Falls to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Idaho Falls 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 Idaho Falls to Austin

What is the cheapest month to book a flight from Idaho Falls to Austin?

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Austin (average of $286). Flying from Idaho Falls to Austin in March is currently the most expensive (average of $362). 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.

What is the cheapest time of day to fly from IDA to AUS?

Find hourly flight availability from Idaho Falls to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 3, 2025.

It’s typically best to fly out from Idaho Falls to Austin at noon. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated juillet 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Idaho Falls to Austin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Alaska Airlines, at $350, was found to be the cheapest airline from Idaho Falls to Austin.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Alaska Airlines is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Idaho Falls to Austin one-way?

    One-way options have recently been found by users for as low as $149 on Hawaiian Airlines. Other airlines that offer cheap prices include Delta from $181 and Alaska Airlines from $210 one-way.

  • Can I find deals for flights from Idaho Falls to Austin that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Austin.

  • Can I find deals for business class flights from Idaho Falls to Austin?

    Yes. Cheapflights offers flight deals from Idaho Falls to Austin 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 Idaho Falls to Austin?

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Austin (average of $286). Flying from Idaho Falls to Austin in March is currently the most expensive (average of $362). 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
San Marcos
Georgetown
Fredericksburg
Pflugerville
Dripping Springs
Cedar Park
Canyon Lake
Bastrop
Round Rock
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Idaho Falls to Austin

Discover the top 4 airlines that operate flights from Idaho Falls to Austin. 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 juillet 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$249Average$396FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$295Average$423FlexibilityNo cancel feeOn-time75%
DeltaCheapest$296Average$486FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$358Average$650FlexibilityNo cancel feeOn-time69%

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