$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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
May 19 — May 261
Round-trip
1 adult, Economy
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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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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 April 19, 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 April 19, 2026.
This Frontier deal was found by Cheapflights users on 4/16. 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 5/169:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Sun 5/241:25 pm
BOI
- AUS
1 stop19h 18m
Frontier
Deal found 4/16![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Sun 5/241:25 pm
BOI
- AUS
1 stop19h 18m
Frontier
Deal found 4/14![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/39:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Sun 6/71:25 pm
BOI
- AUS
1 stop19h 18m
Frontier
Deal found 4/15![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 4/17. 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 6/116:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Sun 6/211:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Deal found 4/17![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/17. 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 6/116:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Tue 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Deal found 4/17![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 4/16. 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.
Sat 7/182:59 pm
AUS
- BOI
1 stop6h 26m
Multiple Airlines
Tue 7/211:04 pm
BOI
- AUS
1 stop5h 26m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$292
This Expedia deal was found by Cheapflights users on 4/16. 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 5/125:49 pm
AUS
- BOI
1 stop7h 10m
Multiple Airlines
Thu 5/141:22 pm
BOI
- AUS
1 stop5h 56m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/88:36 pm
AUS
- BOI
2 stops42h 47m
Multiple Airlines
Tue 5/261:25 pm
BOI
- AUS
1 stop19h 18m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/138:30 am
AUS
- BOI
1 stop8h 04m
Alaska Airlines
Sat 5/166:35 am
BOI
- AUS
1 stop7h 12m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 6/286:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Sun 7/51:04 pm
BOI
- AUS
1 stop19h 09m
Frontier
Deal found 4/15![Frontier logo]()
$320
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 April 19, 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 April 19, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 9/211:50 am
AUS
- BOI
1 stop7h 45m
Delta
Mon 9/711:30 pm
BOI
- AUS
1 stop9h 01m
Delta
Deal found 4/14![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 9/11:55 pm
AUS
- BOI
1 stop7h 25m
Alaska Airlines
Tue 9/87:19 am
BOI
- AUS
1 stop11h 00m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 4/18. 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.
Wed 5/136:20 am
AUS
- BOI
2 stops11h 05m
Southwest
Sat 5/166:05 am
BOI
- AUS
2 stops8h 10m
Southwest
Deal found 4/18![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 4/14. 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 5/86:06 pm
AUS
- BOI
1 stop6h 49m
Delta
Sun 5/105:20 am
BOI
- AUS
1 stop7h 01m
Delta
Deal found 4/14![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 4/14. 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 8/76:14 pm
AUS
- BOI
1 stop6h 39m
Delta
Sun 8/96:00 am
BOI
- AUS
1 stop4h 25m
Delta
Deal found 4/14![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:40 am
AUS
- BOI
2 stops8h 00m
Southwest
Mon 9/77:00 am
BOI
- AUS
1 stop5h 25m
Southwest
Deal found 4/14![Southwest logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 6/17:04 pm
AUS
- BOI
1 stop16h 59m
Alaska Airlines
Sat 6/611:00 am
BOI
- AUS
2 stops11h 39m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 4/16. 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 6/14:07 pm
AUS
- BOI
1 stop7h 51m
Delta
Sat 6/68:45 am
BOI
- AUS
1 stop8h 13m
Delta
Deal found 4/16![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 4/18. 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 6/165:15 pm
AUS
- BOI
2 stops8h 10m
Southwest
Tue 6/235:30 am
BOI
- AUS
2 stops9h 55m
Southwest
Deal found 4/18![Southwest logo]()
$453
This Delta deal was found by Cheapflights users on 4/18. 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 6/126:04 pm
AUS
- BOI
1 stop6h 43m
Delta
Sun 6/146:00 am
BOI
- AUS
1 stop4h 27m
Delta
Deal found 4/18![Delta logo]()
$420
Last-minute flights from Austin to BoiseDiscover last-minute flight deals from Austin to Boise. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Boise. Data last updated April 19, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/16. 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.
Sat 5/23:39 pm
AUS
- BOI
1 stop9h 20m
Multiple Airlines
Sun 5/101:22 pm
BOI
- AUS
1 stop5h 56m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/88:36 pm
AUS
- BOI
2 stops42h 47m
Multiple Airlines
Tue 5/261:25 pm
BOI
- AUS
1 stop19h 18m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 4/16. 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 5/125:49 pm
AUS
- BOI
1 stop7h 10m
Multiple Airlines
Thu 5/141:22 pm
BOI
- AUS
1 stop5h 56m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/138:30 am
AUS
- BOI
1 stop8h 04m
Alaska Airlines
Sat 5/166:35 am
BOI
- AUS
1 stop7h 12m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 4/18. 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.
Wed 5/138:00 am
AUS
- BOI
2 stops8h 26m
United Airlines
Sat 5/168:02 am
BOI
- AUS
1 stop6h 45m
United Airlines
Deal found 4/18![United Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 4/15. 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.
Fri 5/153:47 pm
AUS
- BOI
1 stop7h 37m
Multiple Airlines
Sun 5/171:22 pm
BOI
- AUS
1 stop5h 56m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$362
This Frontier deal was found by Cheapflights users on 4/16. 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 5/169:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Sun 5/241:25 pm
BOI
- AUS
1 stop19h 18m
Frontier
Deal found 4/16![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Sun 5/241:25 pm
BOI
- AUS
1 stop19h 18m
Frontier
Deal found 4/14![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 4/16. 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 5/206:00 am
AUS
- BOI
1 stop6h 35m
Delta
Sun 5/247:05 am
BOI
- AUS
1 stop7h 05m
Delta
Deal found 4/16![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 4/14. 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.
Thu 5/282:48 pm
AUS
- BOI
1 stop8h 40m
Delta
Sat 5/303:14 pm
BOI
- AUS
1 stop7h 45m
Delta
Deal found 4/14![Delta logo]()
$365
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 April 19, 2026.
Search for one-way flight options from Austin to Boise. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 4/14![Frontier logo]()
$95
This Trip.com deal was found by Cheapflights users on 4/16. 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 5/139:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Deal found 4/16![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/279:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Deal found 4/16![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Deal found 4/14![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 4/15. 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.
Sat 6/62:28 pm
AUS
- BOI
1 stop23h 02m
Frontier
Deal found 4/15![Frontier logo]()
$117
This Priceline deal was found by Cheapflights users on 4/17. 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 6/116:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 4/17![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 6/19:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Deal found 4/18![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/309:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Deal found 4/18![Frontier logo]()
$134
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 April 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $92 (CheapOair) |
Popular in | March |
Cheapest in | February |
Average price | $406 |
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 April 19, 2026.
Use the filters below to find and compare flights from Austin to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 9/2
11:50 am-6:35 pm
1 stop7h 45m
Boise Air Term. Gowen Fld
Mon 9/7
11:30 pm-9:31 am
1 stop9h 01m
$373
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 9/1
1:55 pm-8:20 pm
1 stop7h 25m
Boise Air Term. Gowen Fld
Tue 9/8
7:19 am-7:19 pm
1 stop11h 00m
$373
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 5/8
6:06 pm-11:55 pm
1 stop6h 49m
Boise Air Term. Gowen Fld
Sun 5/10
5:20 am-1:21 pm
1 stop7h 01m
$373
Quickest round-trip
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 8/7
6:14 pm-11:53 pm
1 stop6h 39m
Boise Air Term. Gowen Fld
Sun 8/9
6:00 am-11:25 am
1 stop4h 25m
$373
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 6/1
4:07 pm-10:58 pm
1 stop7h 51m
Boise Air Term. Gowen Fld
Sat 6/6
8:45 am-5:58 pm
1 stop8h 13m
$381
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 5/13
6:20 am-4:25 pm
2 stops11h 05m
Boise Air Term. Gowen Fld
Sat 5/16
6:05 am-3:15 pm
2 stops8h 10m
$394
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 6/12
6:04 pm-11:47 pm
1 stop6h 43m
Boise Air Term. Gowen Fld
Sun 6/14
6:00 am-11:27 am
1 stop4h 27m
$420
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 9/2
6:40 am-1:40 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Mon 9/7
7:00 am-1:25 pm
1 stop5h 25m
$445
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Mon 6/1
7:04 pm-11:03 am
1 stop16h 59m
Boise Air Term. Gowen Fld
Sat 6/6
11:00 am-11:39 pm
2 stops11h 39m
$453
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Tue 6/16
5:15 pm-12:25 am
2 stops8h 10m
Boise Air Term. Gowen Fld
Tue 6/23
5:30 am-4:25 pm
2 stops9h 55m
$453
Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
| 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
Prices
More
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 April 17, 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, February is the cheapest month in which you can book a flight from Austin to Boise (average of $296). Flying from Austin to Boise in March is currently the most expensive (average of $738). 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.
How much does it cost to fly round-trip from Austin to Boise?
What’s the top layover airport for flights from Austin to Boise?
Share of 1-stop round-trip flights from Austin to Boise chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Austin to Boise on Cheapflights.
What’s the cheapest layover airport for flights from Austin to Boise?
Average round-trip fare for 1-stop flights from Austin to Boise, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $397.
What’s the fastest layover option from Austin to Boise?
Shortest average travel time for 1-stop one-way flights from Austin to Boise, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 49m.
Which airport typically offers the quickest layover for flights from Austin to Boise?
Average layover duration for 1-stop one-way flights from Austin to Boise, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 08m.
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 April 19, 2026.
Read through reviews of airlines operating flights from Austin to Boise, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
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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 April 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$213 | Average$303 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$375 | FlexibilityNo cancel fee | On-time63% |