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Idaho

$82+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$145
(Priceline)

One-way from

$82
(Priceline)

Popular in

December

Cheapest in

January

Average price

$328
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. 9% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 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 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 July 3, 2025.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amAUS - GEG
1 stop6h 57mFrontier
Thu 9/411:53 amGEG - AUS
1 stop9h 39mFrontier
Deal found 7/1$145
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:45 amAUS - BOI
1 stop6h 19mFrontier
Sat 1/312:59 pmBOI - AUS
1 stop9h 13mFrontier
Deal found 7/2$211
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:15 amAUS - BOI
1 stop7h 43mHawaiian Airlines
Thu 8/146:25 amBOI - AUS
1 stop7h 46mHawaiian Airlines
Deal found 7/2$228
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:30 amAUS - BOI
1 stop6h 10mMultiple Airlines
Mon 9/84:34 pmBOI - AUS
1 stop6h 30mMultiple Airlines
Deal found 7/1$235
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:40 pmAUS - BOI
1 stop7h 26mAlaska Airlines
Thu 9/114:34 pmBOI - AUS
1 stop6h 30mAlaska Airlines
Deal found 7/1$244
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:15 amAUS - BOI
1 stop8h 57mDelta
Thu 8/142:00 pmBOI - AUS
1 stop8h 54mDelta
Deal found 7/1$245
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.
Tue 8/53:30 pmAUS - BOI
2 stops9h 05mUnited Airlines
Wed 8/65:42 pmBOI - AUS
1 stop5h 17mUnited Airlines
Deal found 7/1$250
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:40 pmAUS - GEG
1 stop8h 25mHawaiian Airlines
Mon 9/159:25 amGEG - AUS
1 stop7h 13mHawaiian Airlines
Deal found 7/1$254
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.
Tue 8/54:10 pmAUS - BOI
2 stops7h 15mSouthwest
Wed 8/68:45 amBOI - AUS
2 stops8h 45mSouthwest
Deal found 7/1$255
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.
Mon 9/85:30 pmAUS - GEG
2 stops8h 10mSouthwest
Mon 9/157:30 amGEG - AUS
1 stop5h 40mSouthwest
Deal found 7/1$260
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/62:59 pmAUS - GEG
1 stop9h 53mAlaska Airlines
Thu 9/181:40 pmGEG - AUS
1 stop8h 24mAlaska Airlines
Deal found 7/1$262
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:25 amAUS - GEG
1 stop5h 31mDelta
Sat 9/132:23 pmGEG - AUS
1 stop6h 20mDelta
Deal found 7/1$271

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 July 3, 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 8/28

6:00 am-10:57 am

1 stop6h 57m

Spokane

Thu 9/4

11:53 am-11:32 pm

1 stop9h 39m

$145

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sat 12/20

6:45 am-12:04 pm

1 stop6h 19m

Boise Air Term. Gowen Fld

Sat 1/3

12:59 pm-11:12 pm

1 stop9h 13m

$211

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 8/7

7:15 am-1:58 pm

1 stop7h 43m

Boise Air Term. Gowen Fld

Thu 8/14

6:25 am-3:11 pm

1 stop7h 46m

$228

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 9/4

6:30 am-11:40 am

1 stop6h 10m

Boise Air Term. Gowen Fld

Mon 9/8

4:34 pm-12:04 am

1 stop6h 30m

$235

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 9/3

7:15 am-1:48 pm

1 stop7h 33m

Boise Air Term. Gowen Fld

Mon 9/8

6:35 am-3:18 pm

1 stop7h 43m

$244

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 8/7

6:15 am-2:12 pm

1 stop8h 57m

Boise Air Term. Gowen Fld

Thu 8/14

2:00 pm-11:54 pm

1 stop8h 54m

$245

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 8/5

3:30 pm-11:35 pm

2 stops9h 05m

Boise Air Term. Gowen Fld

Wed 8/6

5:42 pm-11:59 pm

1 stop5h 17m

$250

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Mon 9/8

1:40 pm-8:05 pm

1 stop8h 25m

Spokane

Thu 9/18

1:40 pm-12:04 am

1 stop8h 24m

$254

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 8/5

4:10 pm-10:25 pm

2 stops7h 15m

Boise Air Term. Gowen Fld

Wed 8/6

8:45 am-6:30 pm

2 stops8h 45m

$255

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Mon 9/8

5:10 pm-11:00 pm

2 stops7h 50m

Spokane

Mon 9/15

3:55 pm-12:10 am

1 stop6h 15m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 49 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 $398). 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 July 3, 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 July 3, 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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

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 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.

  • 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 ($82), Hawaiian Airlines ($122), and Southwest ($123).

  • 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 $398). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$448FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$393FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$246Average$361FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$500FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$429FlexibilityNo cancel feeOn-time63%

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