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$88+ Cheap flights from Idaho to Austin (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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Idaho to Austin

Keep the following information in mind while searching for Idaho to Austin flight deals. Data was last updated July 3, 2025.

Round-trip from

$178
(Priceline)

One-way from

$88
(Priceline)

Popular in

March

Cheapest in

August

Average price

$332
From Idaho to Austin Bergstrom
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One-way flight from Idaho to Austin Bergstrom
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 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 to Austin

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

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:53 amGEG - AUS
1 stop9h 39mFrontier
Sun 9/146:30 amAUS - GEG
1 stop6h 28mFrontier
Deal found 6/30$178
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 pmBOI - AUS
1 stop7h 03mFrontier
Sun 10/56:30 amAUS - BOI
1 stop6h 13mFrontier
Deal found 7/3$189
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:25 amBOI - AUS
1 stop7h 46mMultiple Airlines
Thu 8/216:00 amAUS - BOI
1 stop6h 38mMultiple Airlines
Deal found 7/2$235
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:46 pmBOI - AUS
1 stop8h 21mAlaska Airlines
Wed 8/67:15 amAUS - BOI
1 stop8h 49mAlaska Airlines
Deal found 7/3$244
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:25 pmBOI - AUS
1 stop5h 30mSouthwest
Tue 10/75:15 pmAUS - BOI
1 stop5h 55mSouthwest
Deal found 7/1$245
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1411:58 amGEG - AUS
1 stop9h 46mMultiple Airlines
Mon 8/187:15 amAUS - GEG
1 stop7h 14mMultiple Airlines
Deal found 7/1$245
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/272:38 pmGEG - AUS
1 stop7h 21mAlaska Airlines
Wed 10/291:36 pmAUS - GEG
1 stop7h 18mAlaska Airlines
Deal found 6/30$254
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amGEG - AUS
1 stop5h 45mSouthwest
Mon 10/208:05 pmAUS - GEG
1 stop6h 15mSouthwest
Deal found 7/2$255
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:25 amBOI - AUS
1 stop7h 46mHawaiian Airlines
Mon 8/189:45 amAUS - BOI
1 stop9h 26mHawaiian Airlines
Deal found 7/2$261
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.
Fri 8/291:30 pmBOI - AUS
1 stop9h 48mDelta
Wed 9/312:00 pmAUS - BOI
1 stop7h 16mDelta
Deal found 7/3$262
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/251:38 pmGEG - AUS
1 stop8h 21mUnited Airlines
Sat 9/274:18 pmAUS - GEG
2 stops8h 57mUnited Airlines
Deal found 7/1$268
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/225:00 amBOI - AUS
1 stop5h 29mUnited Airlines
Mon 8/254:20 pmAUS - BOI
2 stops8h 14mUnited Airlines
Deal found 7/1$271

Cheapflights Fare Finder

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

Fly from

Idaho

Fly to

Austin

Route

Depart

Return

Price

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Thu 9/11

11:53 am-11:32 pm

1 stop9h 39m

Austin Bergstrom

Sun 9/14

6:30 am-10:58 am

1 stop6h 28m

$178

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 10/3

12:25 pm-8:28 pm

1 stop7h 03m

Austin Bergstrom

Sun 10/5

6:30 am-11:43 am

1 stop6h 13m

$189

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/18

6:25 am-3:11 pm

1 stop7h 46m

Austin Bergstrom

Thu 8/21

6:00 am-11:38 am

1 stop6h 38m

$235

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/4

8:46 pm-6:07 am

1 stop8h 21m

Austin Bergstrom

Wed 8/6

7:15 am-3:04 pm

1 stop8h 49m

$244

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 10/2

5:25 pm-11:55 pm

1 stop5h 30m

Austin Bergstrom

Tue 10/7

5:15 pm-10:10 pm

1 stop5h 55m

$245

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Thu 8/14

11:58 am-11:44 pm

1 stop9h 46m

Austin Bergstrom

Mon 8/18

7:15 am-12:29 pm

1 stop7h 14m

$245

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Mon 10/27

9:00 am-6:18 pm

1 stop7h 18m

Austin Bergstrom

Tue 11/4

7:00 am-12:43 pm

1 stop7h 43m

$254

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Wed 10/15

6:00 am-1:45 pm

1 stop5h 45m

Austin Bergstrom

Mon 10/20

8:05 pm-12:20 am

1 stop6h 15m

$255

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/15

6:25 am-3:11 pm

1 stop7h 46m

Austin Bergstrom

Mon 8/18

9:45 am-6:11 pm

1 stop9h 26m

$261

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/29

1:30 pm-12:18 am

1 stop9h 48m

Austin Bergstrom

Wed 9/3

12:00 pm-6:16 pm

1 stop7h 16m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 43 results
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Best time to book a flight from Idaho to Austin

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

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $286). Flying from Idaho 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 ID to AUS?

Find hourly flight availability from Idaho 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 July 3, 2025.

When flying from Idaho to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Idaho to Austin have to say. 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

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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 to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Austin from Idaho?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly into when you book flights from Idaho to Austin.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from Idaho to Austin for a low price.

  • What are the most popular routes from Idaho to Austin?

    The most popular route from Idaho to Austin is Boise Air Term. Gowen Fld - Austin Bergstrom. You may also consider Spokane - Austin Bergstrom or Idaho Falls Fanning Field - Austin Bergstrom.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 to Austin?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $286). Flying from Idaho 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?

Book flights to Idaho 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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Alternative routes for Idaho to Austin

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Top 6 airlines flying from Idaho to Austin

Discover the top 6 airlines that operate flights from Idaho 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$279FlexibilityNo cancel feeOn-time65%
DeltaCheapest$232Average$414FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$539FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$245Average$451FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$249Average$391FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$473FlexibilityNo cancel feeOn-time63%

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