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$100+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Boise Air Term. Gowen Fld are usually found in January or August, booked 89 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

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 junio 18, 2025.

Round-trip from

$244
(Alaska Airlines)

One-way from

$100
(Priceline)

Popular in

December

Cheapest in

January

Average price

$388
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. 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 June 2025
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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 junio 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/79:45 amAUS - BOI
1 stop7h 25mAlaska Airlines
mar. 8/121:00 pmBOI - AUS
1 stop10h 05mAlaska Airlines
Deal found 6/17$244
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/238:00 amAUS - BOI
1 stop6h 13mAmerican Airlines
mar. 9/306:59 amBOI - AUS
1 stop7h 23mAmerican Airlines
Deal found 6/17$245
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/76:20 pmAUS - BOI
1 stop7h 05mSouthwest
mar. 8/127:50 amBOI - AUS
2 stops7h 50mSouthwest
Deal found 6/16$250
This Frontier deal was found by Cheapflights users on 6/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/136:00 amAUS - BOI
1 stop6h 46mFrontier
jue. 7/1712:36 pmBOI - AUS
1 stop10h 08mFrontier
Deal found 6/18$270
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/159:45 amAUS - BOI
1 stop7h 25mHawaiian Airlines
mar. 7/223:10 pmBOI - AUS
1 stop7h 55mHawaiian Airlines
Deal found 6/16$278
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/96:15 amAUS - BOI
1 stop8h 57mDelta
mar. 7/156:00 pmBOI - AUS
1 stop5h 30mDelta
Deal found 6/18$279
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/303:20 pmAUS - BOI
1 stop9h 11mUnited Airlines
mar. 7/84:40 pmBOI - AUS
1 stop6h 19mUnited Airlines
Deal found 6/17$363
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/258:34 amAUS - BOI
2 stops14h 07mMultiple Airlines
lun. 7/287:48 pmBOI - AUS
3 stops25h 30mMultiple Airlines
Deal found 6/16$450

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 junio 18, 2025.
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

jue. 8/7

9:45 am-4:10 pm

1 stop7h 25m

Boise Air Term. Gowen Fld

mar. 8/12

1:00 pm-12:05 am

1 stop10h 05m

$244

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 9/23

8:00 am-1:13 pm

1 stop6h 13m

Boise Air Term. Gowen Fld

mar. 9/30

6:59 am-3:22 pm

1 stop7h 23m

$245

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 8/7

6:20 pm-12:25 am

1 stop7h 05m

Boise Air Term. Gowen Fld

mar. 8/12

7:50 am-4:40 pm

2 stops7h 50m

$250

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

dom. 7/13

6:00 am-11:46 am

1 stop6h 46m

Boise Air Term. Gowen Fld

jue. 7/17

12:36 pm-11:44 pm

1 stop10h 08m

$270

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 7/15

9:45 am-5:06 pm

1 stop8h 21m

Boise Air Term. Gowen Fld

mar. 7/22

8:46 pm-6:07 am

1 stop8h 21m

$278

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 7/9

6:15 am-2:12 pm

1 stop8h 57m

Boise Air Term. Gowen Fld

mar. 7/15

6:00 pm-12:30 am

1 stop5h 30m

$279

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

lun. 6/30

3:20 pm-11:31 pm

1 stop9h 11m

Boise Air Term. Gowen Fld

mar. 7/8

4:40 pm-11:59 pm

1 stop6h 19m

$363

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

vie. 7/25

8:34 am-9:41 pm

2 stops14h 07m

Boise Air Term. Gowen Fld

lun. 7/28

7:48 pm-10:18 pm

3 stops25h 30m

$450

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 6/26

6:00 am-11:47 am

1 stop6h 47m

$100

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 8/6

9:45 am-5:06 pm

1 stop8h 21m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 18 results
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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 June 13, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Boise, you should look to book at least 89 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, October is the cheapest month in which you can book a flight from Austin to Boise (average of $314). Flying from Austin to Boise in June is currently the most expensive (average of $396). 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 BOI?

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

It’s typically best to fly out from Austin to Boise in the morning. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Austin to Boise?

Use this chart to determine the cheapest time to fly round-trip from Austin to Boise. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Austin to Boise flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise 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 Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 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 junio 18, 2025.
To help decide which airline to fly from Austin to Boise, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

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

    Cheapflights users have booked flights from Austin to Boise round-trip from $244. Other airlines that can offer you cheap pricing are American Airlines, from $245, and Southwest, from $250. Alaska Airlines is priced at 31% 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 ($100), Alaska Airlines ($122), and Southwest ($128).

  • 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, October is the cheapest month in which you can book a flight from Austin to Boise (average of $314). Flying from Austin to Boise in June is currently the most expensive (average of $396). 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 Austin?

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

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Top 5 airlines flying from Austin to Boise

Discover the top 5 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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$319FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$338FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$246Average$361FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$272Average$430FlexibilityNo cancel feeOn-time63%

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