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$106+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 May, 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 agosto 14, 2025.

Round-trip from

$187
(FlightHub)

One-way from

$106
(Priceline)

Popular in

December

Cheapest in

January

Average price

$363
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. 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 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 agosto 14, 2025.

This Priceline deal was found by Cheapflights users on 8/14. 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.
jue. 9/116:30 amAUS - BOI
1 stop6h 07mFrontier
jue. 9/1812:22 pmBOI - AUS
1 stop10h 10mFrontier
Deal found 8/14$144
This FlightHub deal was found by Cheapflights users on 8/14. 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.
vie. 12/59:36 pmAUS - BOI
1 stop15h 17mSpirit Airlines
dom. 12/712:48 pmBOI - AUS
1 stop22h 58mSpirit Airlines
Deal found 8/14$187
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
mié. 10/152:00 pmAUS - BOI
1 stop24h 30mMultiple Airlines
lun. 10/208:58 pmBOI - AUS
1 stop14h 59mMultiple Airlines
Deal found 8/14$192
This FlightHub deal was found by Cheapflights users on 8/14. 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.
jue. 9/46:30 amAUS - BOI
1 stop6h 07mFrontier
dom. 9/712:22 pmBOI - AUS
1 stop10h 10mFrontier
Deal found 8/14$204
This Orbitz deal was found by Cheapflights users on 8/13. 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.
vie. 9/127:15 amAUS - BOI
1 stop8h 45mMultiple Airlines
vie. 9/1912:22 pmBOI - AUS
1 stop10h 10mMultiple Airlines
Deal found 8/13$226
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
jue. 9/1112:44 pmAUS - BOI
2 stops32h 47mMultiple Airlines
jue. 9/182:16 pmBOI - AUS
1 stop18h 35mMultiple Airlines
Deal found 8/14$228
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
mié. 10/152:00 pmAUS - BOI
1 stop24h 30mMultiple Airlines
dom. 10/192:25 pmBOI - AUS
2 stops26h 47mMultiple Airlines
Deal found 8/14$241
This American Airlines deal was found by Cheapflights users on 8/14. 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. 9/94:54 pmAUS - BOI
1 stop5h 54mAmerican Airlines
mié. 9/107:00 amBOI - AUS
1 stop9h 22mAmerican Airlines
Deal found 8/14$242
This Priceline deal was found by Cheapflights users on 8/13. 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.
jue. 9/116:30 amAUS - BOI
1 stop6h 07mFrontier
dom. 9/1412:22 pmBOI - AUS
1 stop10h 10mFrontier
Deal found 8/13$245
This Delta deal was found by Cheapflights users on 8/14. 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. 10/156:04 pmAUS - BOI
1 stop7h 04mDelta
mar. 10/213:00 pmBOI - AUS
1 stop6h 55mDelta
Deal found 8/14$251
This Southwest deal was found by Cheapflights users on 8/14. 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.
mar. 9/912:55 pmAUS - BOI
1 stop5h 55mSouthwest
mié. 9/108:45 amBOI - AUS
2 stops8h 20mSouthwest
Deal found 8/14$256

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 agosto 14, 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. 9/11

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

jue. 9/18

12:22 pm-11:32 pm

1 stop10h 10m

$144

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

vie. 12/5

9:36 pm-11:53 am

1 stop15h 17m

Boise Air Term. Gowen Fld

dom. 12/7

12:48 pm-12:46 pm

1 stop22h 58m

$187

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 10/15

2:00 pm-1:30 pm

1 stop24h 30m

Boise Air Term. Gowen Fld

lun. 10/20

8:58 pm-12:57 pm

1 stop14h 59m

$192

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 9/4

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

dom. 9/7

12:22 pm-11:32 pm

1 stop10h 10m

$204

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

vie. 9/12

7:15 am-3:00 pm

1 stop8h 45m

Boise Air Term. Gowen Fld

vie. 9/19

12:22 pm-11:32 pm

1 stop10h 10m

$226

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 9/11

12:44 pm-8:31 pm

2 stops32h 47m

Boise Air Term. Gowen Fld

jue. 9/18

2:16 pm-9:51 am

1 stop18h 35m

$228

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 10/15

2:00 pm-1:30 pm

1 stop24h 30m

Boise Air Term. Gowen Fld

dom. 10/19

2:25 pm-6:12 pm

2 stops26h 47m

$241

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 9/9

4:54 pm-9:48 pm

1 stop5h 54m

Boise Air Term. Gowen Fld

mié. 9/10

7:00 am-5:22 pm

1 stop9h 22m

$242

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 9/11

6:30 am-11:37 am

1 stop6h 07m

Boise Air Term. Gowen Fld

dom. 9/14

12:22 pm-11:32 pm

1 stop10h 10m

$245

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 10/15

6:04 pm-12:08 am

1 stop7h 04m

Boise Air Term. Gowen Fld

mar. 10/21

3:00 pm-10:55 pm

1 stop6h 55m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 22 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 August 8, 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 $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 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 agosto 14, 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.

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 agosto 14, 2025.
Read through reviews of airlines operating flights from Austin to Boise, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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 $212. Other airlines that can offer you cheap pricing are American Airlines, from $242, and Alaska Airlines, from $244. Delta is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • 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 $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

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 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$347FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$244Average$470FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$261Average$416FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$404FlexibilityNo cancel feeOn-time69%

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