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$90+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 55 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Frontier)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$325
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
Search Deals
One-way flight from Austin Bergstrom to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
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 October 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 October 14, 2025.

This Frontier deal was found by Cheapflights users on 10/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amAUS - BOI
1 stop6h 48mFrontier
Sun 3/112:54 pmBOI - AUS
1 stop10h 20mFrontier
Deal found 10/13$238
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amAUS - BOI
1 stop9h 12mAlaska Airlines
Sat 11/86:28 amBOI - AUS
1 stop10h 50mAlaska Airlines
Deal found 10/13$264
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:36 pmAUS - BOI
1 stop9h 44mAlaska Airlines
Mon 11/176:05 pmBOI - AUS
1 stop20h 09mAlaska Airlines
Deal found 10/14$265
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:00 amAUS - BOI
1 stop16h 20mAlaska Airlines
Sun 11/168:50 amBOI - AUS
1 stop8h 28mAlaska Airlines
Deal found 10/13$266
This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:25 pmAUS - BOI
2 stops10h 57mDelta
Wed 11/199:00 amBOI - AUS
1 stop7h 55mDelta
Deal found 10/11$271
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:25 pmAUS - BOI
2 stops8h 59mDelta
Sun 11/165:20 amBOI - AUS
1 stop7h 12mDelta
Deal found 10/12$272
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:17 amAUS - BOI
1 stop8h 45mDelta
Tue 3/35:40 amBOI - AUS
1 stop6h 35mDelta
Deal found 10/13$275
This Delta deal was found by Cheapflights users on 10/14. 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.
Fri 11/148:10 amAUS - BOI
2 stops11h 44mDelta
Mon 11/1711:42 amBOI - AUS
2 stops11h 22mDelta
Deal found 10/14$278
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:14 pmAUS - BOI
1 stop6h 54mAlaska Airlines
Sun 3/16:28 amBOI - AUS
1 stop9h 10mAlaska Airlines
Deal found 10/13$281
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:14 pmAUS - BOI
1 stop6h 54mAlaska Airlines
Tue 3/31:30 pmBOI - AUS
2 stops9h 25mAlaska Airlines
Deal found 10/13$293
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:45 amAUS - BOI
1 stop29h 03mFrontier
Thu 3/512:54 pmBOI - AUS
1 stop10h 20mFrontier
Deal found 10/13$303
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:36 pmAUS - BOI
1 stop9h 44mAlaska Airlines
Thu 3/56:28 amBOI - AUS
1 stop9h 10mAlaska Airlines
Deal found 10/13$309

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 October 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

Wed 11/5

7:00 am-3:12 pm

1 stop9h 12m

Boise Air Term. Gowen Fld

Sat 11/8

6:28 am-6:18 pm

1 stop10h 50m

$264

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 11/14

1:36 pm-10:20 pm

1 stop9h 44m

Boise Air Term. Gowen Fld

Tue 11/18

2:20 pm-12:14 am

1 stop8h 54m

$265

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 11/14

1:36 pm-10:20 pm

1 stop9h 44m

Boise Air Term. Gowen Fld

Wed 11/19

11:43 am-12:14 am

1 stop11h 31m

$265

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 11/14

1:36 pm-10:20 pm

1 stop9h 44m

Boise Air Term. Gowen Fld

Mon 11/17

6:05 pm-3:14 pm

1 stop20h 09m

$265

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 2/26

1:35 pm-11:55 pm

1 stop11h 20m

Boise Air Term. Gowen Fld

Tue 3/3

6:28 am-4:38 pm

1 stop9h 10m

$265

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 11/14

7:00 am-10:20 pm

1 stop16h 20m

Boise Air Term. Gowen Fld

Sun 11/16

8:50 am-6:18 pm

1 stop8h 28m

$266

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 11/14

12:25 pm-10:22 pm

2 stops10h 57m

Boise Air Term. Gowen Fld

Wed 11/19

9:00 am-5:55 pm

1 stop7h 55m

$271

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 11/5

8:10 am-6:51 pm

2 stops11h 41m

Boise Air Term. Gowen Fld

Sat 11/8

5:25 am-1:45 pm

1 stop7h 20m

$271

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 11/5

7:45 am-11:48 am

1 stop29h 03m

$90

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 11/19

6:00 am-11:33 am

1 stop6h 33m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Boise flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 10, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Boise, you should look to book at least 55 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 December is currently the most expensive (average of $301). 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 October 14, 2025.

It’s typically best to fly out from Austin to Boise in the morning. Doing so could potentially save you 11% 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 evenings when fares are most often at their lowest. Sunday evenings 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 October 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
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,080 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,976 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,042 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 9h 12m. Alaska Airlines provides one of the quickest options available for as low as $264. Airlines will cover a distance of 1373 mi.

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

    Cheapflights users have booked flights from Austin to Boise round-trip from $126. Other airlines that can offer you cheap pricing are Delta, from $212, and American Airlines, from $242. Frontier is priced at 64% 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 ($90), Alaska Airlines ($137), and Delta ($139).

  • 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 December is currently the most expensive (average of $301). 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$212Average$321FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$350FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$244Average$575FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$390FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$261Average$397FlexibilityNo cancel feeOn-time63%

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