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$71+ Cheap flights from Austin to Boise (AUS - BOI)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap flight deals from Austin to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Boise (BOI). 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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$167
(American Airlines)

One-way from

$71
(WAYA)

Popular in

June

Cheapest in

January

Average price

$268
Provider with most accurate pricing for Austin Bergstrom-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Boise Air Term. Gowen Fld flights.
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From Austin Bergstrom to Boise Air Term. Gowen Fld
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One-way flight from Austin Bergstrom to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Austin to Boise

Cheapest flights from Austin to Boise
Explore the most affordable flight options available from Austin to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 1/276:05 amAUS - BOI
1 stop8h 03mAmerican Airlines
Tue 2/37:20 amBOI - AUS
1 stop6h 49mAmerican Airlines
Deal found 1/6$167
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 2/126:45 amAUS - BOI
1 stop6h 06mFrontier
Sun 2/1511:56 amBOI - AUS
1 stop11h 20mFrontier
Deal found 1/5$169
This Expedia deal was found by Cheapflights users on 1/5. 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.
Mon 2/26:55 amAUS - BOI
1 stop5h 17mFrontier
Mon 2/912:07 pmBOI - AUS
1 stop11h 09mFrontier
Deal found 1/5$180
This Expedia deal was found by Cheapflights users on 1/6. 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 2/196:45 amAUS - BOI
1 stop6h 06mMultiple Airlines
Mon 2/236:00 pmBOI - AUS
1 stop19h 35mMultiple Airlines
Deal found 1/6$182
This Delta deal was found by Cheapflights users on 1/7. 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 2/264:55 pmAUS - BOI
1 stop7h 50mDelta
Tue 3/35:20 amBOI - AUS
1 stop6h 41mDelta
Deal found 1/7$183
This Delta deal was found by Cheapflights users on 1/6. 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 1/291:59 pmAUS - BOI
1 stop9h 19mDelta
Thu 2/55:20 amBOI - AUS
1 stop6h 42mDelta
Deal found 1/6$199
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 1/277:15 amAUS - BOI
1 stop8h 55mAlaska Airlines
Sat 1/319:02 amBOI - AUS
1 stop7h 57mAlaska Airlines
Deal found 1/6$208
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/18:15 pmAUS - BOI
1 stop15h 57mMultiple Airlines
Sun 2/82:58 pmBOI - AUS
2 stops32h 18mMultiple Airlines
Deal found 1/6$210
This Southwest deal was found by Cheapflights users on 1/6. 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 2/46:25 amAUS - BOI
1 stop5h 15mSouthwest
Wed 2/117:05 amBOI - AUS
2 stops8h 40mSouthwest
Deal found 1/6$216
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 2/46:00 amAUS - BOI
2 stops16h 05mAlaska Airlines
Wed 2/119:02 amBOI - AUS
1 stop7h 57mAlaska Airlines
Deal found 1/6$218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Boise 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 January 7, 2026.
Use the filters below to find and compare flights from Austin to Boise that are best for you.

Fly from

Austin

Fly to

Boise

Route

Depart

Return

Price

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 2/4

5:30 am-12:30 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Wed 2/11

11:20 am-5:49 pm

1 stop5h 29m

$167

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 2/26

4:55 pm-11:45 pm

1 stop7h 50m

Boise Air Term. Gowen Fld

Tue 3/3

5:20 am-1:01 pm

1 stop6h 41m

$183

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 2/4

7:15 am-3:10 pm

1 stop8h 55m

Boise Air Term. Gowen Fld

Wed 2/11

9:02 am-5:59 pm

1 stop7h 57m

$199

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 1/27

7:15 am-3:10 pm

1 stop8h 55m

Boise Air Term. Gowen Fld

Sat 1/31

9:02 am-5:59 pm

1 stop7h 57m

$208

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 2/3

5:25 pm-10:30 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

Tue 2/10

11:20 am-5:50 pm

1 stop5h 30m

$223

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 4/2

8:35 am-3:29 pm

1 stop7h 54m

Boise Air Term. Gowen Fld

Mon 4/6

8:04 pm-1:11 pm

1 stop16h 07m

$227

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 1/29

5:39 pm-11:58 pm

1 stop7h 19m

Boise Air Term. Gowen Fld

Thu 2/5

8:10 am-10:48 pm

2 stops13h 38m

$232

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 2/4

8:50 am-3:20 pm

2 stops7h 30m

Boise Air Term. Gowen Fld

Wed 2/11

6:40 am-3:55 pm

2 stops8h 15m

$234

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 2/19

6:45 am-11:51 am

1 stop6h 06m

$71

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 2/17

6:10 am-1:11 pm

1 stop8h 01m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 16 results
1
2

Compare providers for flights from Austin to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Boise in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Boise flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Boise flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Boise

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

How far ahead should I book a flight from Austin to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Boise. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Austin to Boise, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Austin to Boise (average of $108). Flying from Austin to Boise in July is currently the most expensive (average of $261). 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.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated January 7, 2026.
Read through reviews of airlines operating flights from Austin to Boise, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,022 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,138 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,088 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,063 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • How long is the flight from Austin to Boise?

    A quick flight from Austin to Boise can take about 8h. Delta provides one of the quickest options available for as low as $167. Airlines will cover a distance of 1373 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Austin to Boise round-trip from $78. Other airlines that can offer you cheap pricing are Delta, from $213, and American Airlines, from $232. Frontier is priced at 76% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Austin to Boise are Frontier ($82), Alaska Airlines ($139), and American Airlines ($141).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Boise 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 Boise?

    Currently, September is the cheapest month in which you can book a flight from Austin to Boise (average of $108). Flying from Austin to Boise in July is currently the most expensive (average of $261). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 6 airlines flying from Austin to Boise

Discover the top 6 airlines that operate flights from Austin to Boise. 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$222FlexibilityNo cancel feeOn-time62%
DeltaCheapest$222Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$232Average$352FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$244Average$406FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$386FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$260Average$365FlexibilityNo cancel feeOn-time63%

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