$82+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Jan 7 — Jan 141
1 adult, Economy
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Find cheap flights from Austin to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Austin Bergstrom to Boise Air Term. Gowen Fld are usually found in January or April, booked 46 days in advance, depart on a Saturday or Tuesday and return on a Wednesday
Cheap flight deals from Austin to Boise
Cheapest flights from Austin to BoiseExplore 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 December 8, 2025.
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 December 8, 2025.
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:55 amAUS - BOI
1 stop5h 54mFrontier
Sun 12/1412:44 pmBOI - AUS
1 stop10h 30mFrontier
Deal found 12/7![Frontier logo]()
$322
This Frontier deal was found by Cheapflights users on 12/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:45 amAUS - BOI
1 stop5h 58mFrontier
Thu 12/2512:38 pmBOI - AUS
1 stop10h 36mFrontier
Deal found 12/6![Frontier logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Fri 12/192:54 pmAUS - BOI
1 stop22h 05mFrontier
Thu 12/2512:38 pmBOI - AUS
1 stop24h 21mFrontier
Deal found 12/6![Frontier logo]()
$394
This Southwest deal was found by Cheapflights users on 12/6. 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.
Sun 12/212:10 pmAUS - BOI
1 stop6h 55mSouthwest
Wed 12/242:30 pmBOI - AUS
1 stop7h 45mSouthwest
Deal found 12/6![Southwest logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Sat 12/207:22 pmAUS - BOI
2 stops17h 21mFrontier
Thu 12/2512:38 pmBOI - AUS
1 stop24h 21mFrontier
Deal found 12/6![Frontier logo]()
$427
This Southwest deal was found by Cheapflights users on 12/6. 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.
Tue 12/305:30 amAUS - BOI
1 stop7h 05mSouthwest
Sat 1/34:20 pmBOI - AUS
1 stop7h 00mSouthwest
Deal found 12/6![Southwest logo]()
$433
This Frontier deal was found by Cheapflights users on 12/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:45 amAUS - BOI
1 stop6h 14mFrontier
Sun 12/2112:38 pmBOI - AUS
1 stop10h 36mFrontier
Deal found 12/6![Frontier logo]()
$437
This Southwest deal was found by Cheapflights users on 12/6. 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.
Tue 12/305:30 amAUS - BOI
1 stop7h 05mSouthwest
Fri 1/211:40 amBOI - AUS
1 stop11h 30mSouthwest
Deal found 12/6![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 12/6. 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.
Sat 12/208:15 pmAUS - BOI
1 stop5h 30mSouthwest
Wed 12/313:45 pmBOI - AUS
1 stop4h 55mSouthwest
Deal found 12/6![Southwest logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 12/219:13 amAUS - BOI
2 stops31h 31mMultiple Airlines
Thu 12/2512:38 pmBOI - AUS
1 stop24h 21mMultiple Airlines
Deal found 12/6![Multiple Airlines logo]()
$454
Find 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 December 8, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $190 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $489 |
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 December 8, 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
Thu 2/19
6:45 am-11:59 am
1 stop6h 14m
Boise Air Term. Gowen Fld
Sun 2/22
12:54 pm-12:14 am
1 stop10h 20m
$210
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 2/26
7:15 am-3:08 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Tue 3/3
6:28 am-2:35 pm
1 stop7h 07m
$270
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Sat 1/17
6:15 am-2:02 pm
1 stop8h 47m
Boise Air Term. Gowen Fld
Mon 1/19
5:20 am-1:02 pm
1 stop6h 42m
$273
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 1/8
6:59 pm-12:51 pm
1 stop18h 52m
Boise Air Term. Gowen Fld
Mon 1/12
1:55 pm-3:54 pm
1 stop24h 59m
$274
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 2/5
3:39 pm-11:42 pm
1 stop9h 03m
Boise Air Term. Gowen Fld
Sun 2/8
9:02 am-5:59 pm
1 stop7h 57m
$290
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 2/26
7:20 am-6:22 pm
2 stops12h 02m
Boise Air Term. Gowen Fld
Tue 3/3
8:50 am-10:09 pm
2 stops12h 19m
$298
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 2/3
1:30 pm-11:59 pm
2 stops11h 29m
Boise Air Term. Gowen Fld
Sat 2/7
6:23 am-3:54 pm
1 stop8h 31m
$312
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 1/14
1:30 pm-11:59 pm
2 stops11h 29m
Boise Air Term. Gowen Fld
Sun 1/18
9:02 am-5:59 pm
1 stop7h 57m
$312
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Sun 2/1
8:15 pm-11:12 am
1 stop15h 57m
$82
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 1/12
6:05 am-1:08 pm
1 stop8h 03m
$145
Showing 1-10 of 18 results
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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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 December 5, 2025.
To ensure you get the cheapest price possible for a flight from Austin to Boise, you should look to book at least 46 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 $260). 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 December 8, 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.
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 December 8, 2025.
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.
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
McCall
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Alternative routes for Austin to Boise
See prices for flight routes from nearby airports that may be better suited for you.
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 December 8, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$212 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$339 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$575 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$254 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$372 | FlexibilityNo cancel fee | On-time63% |