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Idaho

$73+ Cheap flights from Austin (AUS) to Idaho

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Austin to Idaho

Keep the following information in mind while searching for Austin to Idaho flight deals. Data was last updated August 18, 2025.

Round-trip from

$145
(Priceline)

One-way from

$73
(Priceline)

Popular in

December

Cheapest in

January

Average price

$363
From Austin Bergstrom to Idaho
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One-way flight from Austin Bergstrom to Idaho
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Austin to Idaho

Cheapest flights from Austin to Idaho
Explore the most affordable flight options available from Austin to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Priceline deal was found by Cheapflights users on 8/16. 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 9/46:30 amAUS - GEG
1 stop6h 28mFrontier
Thu 9/1111:53 amGEG - AUS
1 stop9h 39mFrontier
Deal found 8/16$145
This Expedia deal was found by Cheapflights users on 8/17. 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.
Thu 10/166:00 amAUS - BOI
1 stop6h 43mFrontier
Sun 10/1912:28 pmBOI - AUS
1 stop11h 05mFrontier
Deal found 8/17$163
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:30 amAUS - BOI
1 stop6h 07mFrontier
Thu 9/1812:22 pmBOI - AUS
1 stop10h 10mFrontier
Deal found 8/15$194
This Orbitz deal was found by Cheapflights users on 8/17. 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 10/236:00 amAUS - GEG
1 stop7h 08mMultiple Airlines
Tue 10/287:35 amGEG - AUS
1 stop8h 43mMultiple Airlines
Deal found 8/17$211
This Orbitz deal was found by Cheapflights users on 8/16. 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 9/46:30 amAUS - BOI
1 stop6h 07mMultiple Airlines
Tue 9/97:07 amBOI - AUS
1 stop6h 12mMultiple Airlines
Deal found 8/16$220
This Priceline deal was found by Cheapflights users on 8/17. 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.
Sun 9/146:30 amAUS - BOI
1 stop6h 07mFrontier
Sun 9/2112:22 pmBOI - AUS
1 stop10h 10mFrontier
Deal found 8/17$222
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/149:41 pmAUS - BOI
2 stops23h 50mMultiple Airlines
Thu 9/182:16 pmBOI - AUS
1 stop18h 35mMultiple Airlines
Deal found 8/15$224
This Expedia deal was found by Cheapflights users on 8/16. 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.
Tue 10/147:15 amAUS - BOI
1 stop8h 21mMultiple Airlines
Sun 10/2612:28 pmBOI - AUS
1 stop11h 05mMultiple Airlines
Deal found 8/16$225
This Orbitz deal was found by Cheapflights users on 8/16. 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.
Sat 9/137:21 amAUS - BOI
1 stop6h 29mMultiple Airlines
Thu 9/1812:22 pmBOI - AUS
1 stop10h 10mMultiple Airlines
Deal found 8/16$226
This Expedia deal was found by Cheapflights users on 8/17. 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.
Thu 9/256:30 amAUS - BOI
1 stop6h 07mFrontier
Sun 9/2812:22 pmBOI - AUS
2 stops22h 48mFrontier
Deal found 8/17$230
This Priceline deal was found by Cheapflights users on 8/17. 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 8/216:00 amAUS - BOI
1 stop6h 38mFrontier
Sun 8/2412:33 pmBOI - AUS
1 stop9h 43mFrontier
Deal found 8/17$238
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Mon 10/61:00 pmAUS - BOI
1 stop7h 56mMultiple Airlines
Thu 10/92:25 pmBOI - AUS
1 stop21h 22mMultiple Airlines
Deal found 8/18$241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Idaho 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 August 18, 2025.
Use the filters below to find and compare flights from Austin to Idaho that are best for you.

Fly from

Austin

Fly to

Idaho

Route

Depart

Return

Price

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Thu 9/4

6:30 am-10:58 am

1 stop6h 28m

Spokane

Thu 9/11

11:53 am-11:32 pm

1 stop9h 39m

$145

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 10/16

6:00 am-11:43 am

1 stop6h 43m

Boise Air Term. Gowen Fld

Sun 10/19

12:28 pm-12:33 am

1 stop11h 05m

$163

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sun 9/14

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-11:32 pm

1 stop10h 10m

$194

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Thu 10/23

6:00 am-11:08 am

1 stop7h 08m

Spokane

Tue 10/28

7:35 am-6:18 pm

1 stop8h 43m

$211

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 9/4

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Tue 9/9

7:07 am-2:19 pm

1 stop6h 12m

$220

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 9/25

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Sun 9/28

12:22 pm-11:32 pm

1 stop10h 10m

$222

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sun 9/14

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

Sun 9/21

12:22 pm-11:32 pm

1 stop10h 10m

$222

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sun 9/14

9:41 pm-8:31 pm

2 stops23h 50m

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-9:51 am

1 stop18h 35m

$224

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 10/14

7:15 am-2:36 pm

1 stop8h 21m

Boise Air Term. Gowen Fld

Sun 10/26

12:28 pm-12:33 am

1 stop11h 05m

$225

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sat 9/13

7:21 am-12:50 pm

1 stop6h 29m

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-11:32 pm

1 stop10h 10m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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Best time to book a flight from Austin to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Austin to Idaho (average of $314). Flying from Austin to Idaho in June is currently the most expensive (average of $399). 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 AUS to ID?

Find hourly flight availability from Austin to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

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

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated August 18, 2025.
Read through reviews of airlines operating flights from Austin to Idaho, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Austin to Idaho. 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 from for flights from Austin to Idaho?

    Located just 7.5 mi from the city center, Austin Bergstrom (AUS) is the airport most travelers will use when flying to Idaho from Austin.

  • How long is the flight from Austin to Idaho?

    For as low as $145, Frontier can have you in Idaho from Austin in 6h 28m. The distance from Austin to Idaho is about 1599 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Austin to Idaho are Frontier ($73), Hawaiian Airlines ($138), and Delta ($146).

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

    The most popular flight routes from Austin to Idaho are Austin Bergstrom - Boise Air Term. Gowen Fld, Austin Bergstrom - Jackson Hole and Austin Bergstrom - Spokane.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Idaho 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?

    Currently, October is the cheapest month in which you can book a flight from Austin to Idaho (average of $314). Flying from Austin to Idaho in June is currently the most expensive (average of $399). 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

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Alternative routes for Austin to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Austin to Idaho

Discover the top 5 airlines that operate flights from Austin to Idaho. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$451FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$350FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$244Average$470FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$261Average$418FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$491FlexibilityNo cancel feeOn-time69%

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