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$122+ 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 8/4. 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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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 June 12, 2025.

Round-trip from

$225
(Kiwi.com)

One-way from

$122
(Hawaiian Airlines)

Popular in

December

Cheapest in

January

Average price

$372
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. 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 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 June 12, 2025.

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 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 6/11. 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 6/12. 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
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/316:00 amAUS - BOI
1 stop6h 46mFrontier
Thu 8/712:36 pmBOI - AUS
1 stop10h 08mFrontier
Deal found 6/11$296
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:18 pmAUS - BOI
2 stops30h 34mSpirit Airlines
Mon 8/117:48 pmBOI - AUS
2 stops24h 36mSpirit Airlines
Deal found 6/12$301
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1510:44 amAUS - BOI
2 stops23h 04mMultiple Airlines
Sun 6/227:26 pmBOI - AUS
2 stops26h 43mMultiple Airlines
Deal found 6/9$462

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 June 12, 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

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

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

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

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 7/4

12:50 pm-7:47 pm

1 stop7h 57m

Boise Air Term. Gowen Fld

Fri 8/8

5:42 pm-11:59 pm

1 stop5h 17m

$287

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 7/31

6:00 am-11:46 am

1 stop6h 46m

Boise Air Term. Gowen Fld

Thu 8/7

12:36 pm-11:44 pm

1 stop10h 08m

$296

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 8/7

1:18 pm-6:52 pm

2 stops30h 34m

Boise Air Term. Gowen Fld

Mon 8/11

7:48 pm-9:24 pm

2 stops24h 36m

$301

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 7/10

1:18 pm-6:52 pm

2 stops30h 34m

Boise Air Term. Gowen Fld

Sun 7/13

6:25 pm-3:29 pm

2 stops20h 04m

$482

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 8/4

7:15 am-3:04 pm

1 stop8h 49m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 9, 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 $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 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 June 12, 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 June 12, 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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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 $225. Other airlines that can offer you cheap pricing are Alaska Airlines, from $244, and Delta, from $245. Hawaiian Airlines is priced at 36% 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 Hawaiian Airlines ($122), United Airlines ($128), and Spirit Airlines ($131).

  • 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 $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

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$314FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$344FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$246Average$361FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$388FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$442FlexibilityNo cancel feeOn-time63%

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