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Idaho

$99+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$198
(Hawaiian Airlines)

One-way from

$99
(Hawaiian Airlines)

Popular in

December

Cheapest in

January

Average price

$372
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. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/297:15 amAUS - GEG
1 stop7h 13mHawaiian Airlines
Thu 8/77:44 pmGEG - AUS
1 stop8h 23mHawaiian Airlines
Deal found 6/10$198
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/96:10 pmAUS - GEG
1 stop7h 54mDelta
Thu 7/101:15 pmGEG - AUS
1 stop8h 41mDelta
Deal found 6/10$199
This Southwest deal was found by Cheapflights users on 6/11. 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 8/194:50 pmAUS - GEG
2 stops7h 40mSouthwest
Thu 8/283:15 pmGEG - AUS
1 stop5h 10mSouthwest
Deal found 6/11$204
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/47:15 amAUS - BOI
1 stop8h 49mHawaiian Airlines
Tue 8/124:00 pmBOI - AUS
1 stop6h 37mHawaiian Airlines
Deal found 6/9$225
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/79:45 amAUS - GEG
1 stop9h 28mAlaska Airlines
Mon 7/147:44 pmGEG - AUS
1 stop8h 23mAlaska Airlines
Deal found 6/11$239
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/46:00 pmAUS - BOI
1 stop6h 54mAlaska Airlines
Wed 8/133:10 pmBOI - AUS
1 stop7h 55mAlaska Airlines
Deal found 6/11$244
This Delta deal was found by Cheapflights users on 6/10. 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 8/76:10 pmAUS - BOI
1 stop6h 53mDelta
Mon 8/115:45 amBOI - AUS
1 stop6h 50mDelta
Deal found 6/10$245
This Southwest deal was found by Cheapflights users on 6/9. 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 8/45:45 amAUS - BOI
2 stops7h 50mSouthwest
Tue 8/128:45 amBOI - AUS
1 stop6h 55mSouthwest
Deal found 6/9$250
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 10/186:00 amAUS - GEG
1 stop8h 35mAmerican Airlines
Tue 10/216:02 amGEG - AUS
1 stop9h 03mAmerican Airlines
Deal found 6/12$260
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/1212:25 pmAUS - BOI
1 stop10h 18mAmerican Airlines
Fri 8/157:00 amBOI - AUS
1 stop7h 48mAmerican Airlines
Deal found 6/11$264
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/26:00 amAUS - GEG
1 stop6h 39mUnited Airlines
Wed 10/85:15 amGEG - AUS
2 stops10h 15mUnited Airlines
Deal found 6/11$277
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/412:50 pmAUS - BOI
1 stop7h 57mUnited Airlines
Fri 8/85:42 pmBOI - AUS
1 stop5h 17mUnited Airlines
Deal found 6/12$287

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 June 12, 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

Tue 7/29

7:15 am-12:28 pm

1 stop7h 13m

Spokane

Thu 8/7

7:44 pm-6:07 am

1 stop8h 23m

$198

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 7/9

6:10 pm-12:04 am

1 stop7h 54m

Spokane

Thu 7/10

1:15 pm-11:56 pm

1 stop8h 41m

$199

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Tue 8/19

4:50 pm-10:30 pm

2 stops7h 40m

Spokane

Thu 8/28

3:15 pm-10:25 pm

1 stop5h 10m

$204

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 8/4

7:15 am-3:04 pm

1 stop8h 49m

Boise Air Term. Gowen Fld

Tue 8/12

4:00 pm-11:37 pm

1 stop6h 37m

$225

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Mon 7/7

9:45 am-5:13 pm

1 stop9h 28m

Spokane

Mon 7/14

7:44 pm-6:07 am

1 stop8h 23m

$239

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 8/4

6:00 pm-11:54 pm

1 stop6h 54m

Boise Air Term. Gowen Fld

Thu 8/7

8:46 pm-6:07 am

1 stop8h 21m

$244

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 8/7

6:10 pm-12:03 am

1 stop6h 53m

Boise Air Term. Gowen Fld

Mon 8/11

5:45 am-1:35 pm

1 stop6h 50m

$245

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 8/4

5:45 am-12:35 pm

2 stops7h 50m

Boise Air Term. Gowen Fld

Tue 8/12

8:45 am-4:40 pm

1 stop6h 55m

$250

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Sat 10/18

6:00 am-12:35 pm

1 stop8h 35m

Spokane

Tue 10/21

6:02 am-5:05 pm

1 stop9h 03m

$260

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 8/12

12:25 pm-9:43 pm

1 stop10h 18m

Boise Air Term. Gowen Fld

Fri 8/15

7:00 am-3:48 pm

1 stop7h 48m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 56 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 $395). 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 June 12, 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Austin to Idaho to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

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 Hawaiian Airlines ($99), Southwest ($100), and United Airlines ($128).

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

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

  • 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 $395). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$393FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$246Average$361FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$499FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$442FlexibilityNo cancel feeOn-time63%

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