$117+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Feb 28 — Mar 71
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.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 January 29, 2026.
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 January 29, 2026.
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:45 am
AUS
- BOI
1 stop6h 06m
Multiple Airlines
Sat 2/288:30 am
BOI
- AUS
1 stop8h 30m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$193
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:15 am
AUS
- BOI
1 stop8h 53m
Multiple Airlines
Thu 2/2612:38 pm
BOI
- AUS
1 stop10h 38m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$198
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 2/2211:56 am
BOI
- AUS
1 stop20h 25m
Frontier
Deal found 1/28![Frontier logo]()
$214
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- BOI
1 stop6h 06m
Multiple Airlines
Mon 2/238:27 pm
BOI
- AUS
1 stop17h 08m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$232
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:35 pm
AUS
- BOI
1 stop8h 05m
Multiple Airlines
Thu 3/512:38 pm
BOI
- AUS
1 stop10h 38m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$233
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:55 am
AUS
- BOI
1 stop5h 17m
Frontier
Sun 2/2211:56 am
BOI
- AUS
1 stop20h 25m
Frontier
Deal found 1/27![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:35 pm
AUS
- BOI
1 stop8h 05m
Alaska Airlines
Wed 3/252:22 pm
BOI
- AUS
1 stop9h 12m
Alaska Airlines
Deal found 1/27![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/1812:46 pm
AUS
- BOI
1 stop6h 19m
United Airlines
Sat 4/252:37 pm
BOI
- AUS
2 stops7h 38m
United Airlines
Deal found 1/28![United Airlines logo]()
$242
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:45 am
AUS
- BOI
1 stop5h 35m
Multiple Airlines
Tue 3/2411:58 am
BOI
- AUS
1 stop11h 36m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 1/28. 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 2/235:50 am
AUS
- BOI
1 stop5h 30m
Southwest
Tue 2/243:35 pm
BOI
- AUS
1 stop5h 10m
Southwest
Deal found 1/28![Southwest logo]()
$271
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $193 (Expedia) |
One-way from | $117 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $288 |
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 January 29, 2026.
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 2/26
6:45 am-11:51 am
1 stop6h 06m
Boise Air Term. Gowen Fld
Sat 2/28
8:30 am-6:00 pm
1 stop8h 30m
$193
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 2/24
7:15 am-3:08 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Thu 2/26
12:38 pm-12:16 am
1 stop10h 38m
$198
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 2/19
6:45 am-11:51 am
1 stop6h 06m
Boise Air Term. Gowen Fld
Sun 2/22
11:56 am-9:21 am
1 stop20h 25m
$214
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 3/3
3:35 pm-10:40 pm
1 stop8h 05m
Boise Air Term. Gowen Fld
Thu 3/5
12:38 pm-12:16 am
1 stop10h 38m
$233
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 2/9
6:55 am-11:12 am
1 stop5h 17m
Boise Air Term. Gowen Fld
Sun 2/22
11:56 am-9:21 am
1 stop20h 25m
$236
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 4/21
7:00 am-3:24 pm
1 stop9h 24m
Boise Air Term. Gowen Fld
Sat 4/25
6:15 am-1:08 pm
1 stop5h 53m
$237
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Sat 4/18
12:46 pm-6:05 pm
1 stop6h 19m
Boise Air Term. Gowen Fld
Sat 4/25
12:30 pm-10:25 pm
1 stop8h 55m
$237
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 3/19
6:45 am-11:20 am
1 stop5h 35m
Boise Air Term. Gowen Fld
Tue 3/24
11:58 am-12:34 am
1 stop11h 36m
$243
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 4/6
8:35 am-3:29 pm
1 stop7h 54m
Boise Air Term. Gowen Fld
Wed 4/8
4:15 pm-12:34 am
1 stop7h 19m
$271
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 4/15
8:00 am-11:08 am
1 stop28h 08m
$117
Showing 1-10 of 21 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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 January 23, 2026.
To ensure you get the cheapest price possible for a flight from Austin to Boise, you should look to book at least 11 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 $261). 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.
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 January 29, 2026.
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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
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
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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 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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$213 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$261 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$285 | Average$389 | FlexibilityNo cancel fee | On-time69% |