$95+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Mar 14 — Mar 211
1 adult, Economy
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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
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Best
Last-minute
One-way
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 February 12, 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 February 12, 2026.
This Frontier deal was found by Cheapflights users on 2/11. 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 2/266:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/11![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:00 am
AUS
- BOI
1 stop28h 08m
Frontier
Sun 5/1711:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Deal found 2/12![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:45 am
AUS
- BOI
1 stop5h 26m
Multiple Airlines
Sat 3/78:30 am
BOI
- AUS
1 stop8h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$214
This Frontier deal was found by Cheapflights users on 2/11. 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.
Sun 3/16:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Sun 3/812:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier 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 stop11h 20m
Frontier
Deal found 2/9![Frontier logo]()
$232
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 3/812:15 pm
BOI
- AUS
1 stop8h 48m
Frontier
Deal found 2/11![Frontier logo]()
$234
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:07 pm
AUS
- BOI
1 stop7h 47m
Delta
Sat 5/165:36 am
BOI
- AUS
1 stop8h 14m
Delta
Deal found 2/9![Delta logo]()
$237
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Sun 3/2912:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:45 am
AUS
- BOI
1 stop5h 23m
Multiple Airlines
Mon 4/204:15 pm
BOI
- AUS
1 stop7h 19m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$262
Best flights from Austin to BoiseDiscover carefully curated flight deals from Austin to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Austin to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:00 am
AUS
- BOI
1 stop28h 08m
Frontier
Sun 5/1711:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Deal found 2/12![Frontier logo]()
$201
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 5/136:00 am
AUS
- BOI
1 stop9h 43m
Delta
Sat 5/163:14 pm
BOI
- AUS
1 stop7h 45m
Delta
Deal found 2/10![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:12 pm
AUS
- BOI
1 stop7h 01m
United Airlines
Tue 3/246:15 am
BOI
- AUS
1 stop5h 42m
United Airlines
Deal found 2/11![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:15 am
AUS
- BOI
1 stop5h 15m
Southwest
Tue 3/246:05 am
BOI
- AUS
2 stops7h 25m
Southwest
Deal found 2/11![Southwest logo]()
$282
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier 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 stop11h 20m
Frontier
Deal found 2/9![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Sun 2/2211:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/9![Frontier logo]()
$232
This Delta deal was found by Cheapflights users on 2/12. 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 4/26:03 am
AUS
- BOI
1 stop8h 02m
Delta
Mon 4/61:45 pm
BOI
- AUS
2 stops9h 54m
Delta
Deal found 2/12![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:25 pm
AUS
- BOI
1 stop7h 35m
Delta
Fri 4/1711:35 pm
BOI
- AUS
1 stop10h 40m
Delta
Deal found 2/9![Delta logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 3/812:15 pm
BOI
- AUS
2 stops32h 45m
Frontier
Deal found 2/11![Frontier logo]()
$273
Last-minute flights from Austin to BoiseDiscover last-minute flight deals from Austin to Boise. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Boise. Data last updated February 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier 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 stop11h 20m
Frontier
Deal found 2/9![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 am
AUS
- BOI
1 stop28h 21m
Frontier
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/11![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 2/11. 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 2/266:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/11![Frontier logo]()
$190
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:45 am
AUS
- BOI
1 stop5h 26m
Multiple Airlines
Sat 3/78:30 am
BOI
- AUS
1 stop8h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$214
This Frontier deal was found by Cheapflights users on 2/11. 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.
Sun 3/16:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Sun 3/812:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$220
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 3/812:15 pm
BOI
- AUS
1 stop8h 48m
Frontier
Deal found 2/11![Frontier logo]()
$234
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:12 pm
AUS
- BOI
1 stop7h 01m
United Airlines
Tue 3/246:15 am
BOI
- AUS
1 stop5h 42m
United Airlines
Deal found 2/11![United Airlines logo]()
$277
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Sun 3/2912:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$244
One-way flights from Austin to BoiseSearch for one-way flight options from Austin to Boise. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Austin to Boise. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Travelocity deal was found by Cheapflights users on 2/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Deal found 2/9![Frontier logo]()
$95
This Trip.com deal was found by Cheapflights users on 2/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/11![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
AUS
- BOI
1 stop29h 08m
Frontier
Deal found 2/12![Frontier logo]()
$107
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Deal found 2/10![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:30 am
AUS
- BOI
1 stop28h 21m
Frontier
Deal found 2/10![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 2/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Deal found 2/9![Frontier logo]()
$116
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/10![Frontier logo]()
$119
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/166:19 pm
AUS
- BOI
1 stop5h 24m
United Airlines
Deal found 2/8![United Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 2/11. 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.
Tue 3/176:06 pm
AUS
- BOI
1 stop6h 39m
Delta
Deal found 2/11![Delta logo]()
$139
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/10![Frontier logo]()
$145
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
AUS
- BOI
2 stops8h 22m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 2/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:40 pm
AUS
- BOI
1 stop5h 58m
American Airlines
Deal found 2/12![American Airlines logo]()
$164
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Frontier) |
One-way from | $95 (Travelocity) |
Popular in | June |
Cheapest in | October |
Average price | $332 |
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 February 12, 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
Wed 5/13
8:00 am-11:08 am
1 stop28h 08m
Boise Air Term. Gowen Fld
Sun 5/17
11:53 am-12:21 am
1 stop11h 28m
$201
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-12:16 am
1 stop11h 20m
$232
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 2/20
6:45 am-11:11 am
1 stop5h 26m
Boise Air Term. Gowen Fld
Sun 2/22
11:56 am-12:16 am
1 stop11h 20m
$232
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 5/13
6:00 am-2:43 pm
1 stop9h 43m
Boise Air Term. Gowen Fld
Sat 5/16
3:14 pm-11:59 pm
1 stop7h 45m
$247
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 4/2
6:03 am-1:05 pm
1 stop8h 02m
Boise Air Term. Gowen Fld
Mon 4/6
1:45 pm-12:39 am
2 stops9h 54m
$268
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 3/5
6:45 am-11:51 am
1 stop6h 06m
Boise Air Term. Gowen Fld
Sun 3/8
12:15 pm-10:00 pm
2 stops32h 45m
$273
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 3/10
3:12 pm-9:13 pm
1 stop7h 01m
Boise Air Term. Gowen Fld
Tue 3/24
6:15 am-12:57 pm
1 stop5h 42m
$277
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 3/10
6:15 am-10:30 am
1 stop5h 15m
Boise Air Term. Gowen Fld
Tue 3/24
6:05 am-2:30 pm
2 stops7h 25m
$282
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 4/13
4:25 pm-11:00 pm
1 stop7h 35m
Boise Air Term. Gowen Fld
Fri 4/17
11:35 pm-11:15 am
1 stop10h 40m
$283
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Sun 4/12
6:45 am-11:08 am
1 stop5h 23m
$95
Showing 1-10 of 19 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 February.
| 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.
AUS-BOI
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 February 6, 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 $257). 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 February 12, 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.
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
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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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$213 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$367 | FlexibilityNo cancel fee | On-time63% |