$105+ Cheap flights from Boise to Austin (BOI - AUS)
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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Mar 17 — Mar 241
1 adult, Economy
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Cheapest flights from Boise to AustinExplore the most affordable flight options available from Boise to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
Explore the most affordable flight options available from Boise to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.
This Frontier deal was found by Cheapflights users on 2/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Sun 4/266:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Deal found 2/14![Frontier logo]()
$190
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Thu 2/266:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Deal found 2/12![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Thu 4/2311:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Sat 4/257:30 am
AUS
- BOI
1 stop28h 38m
Frontier
Deal found 2/14![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 2/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Thu 4/96:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Deal found 2/14![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Sun 4/1911:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Sat 4/257:30 am
AUS
- BOI
1 stop28h 38m
Frontier
Deal found 2/14![Frontier logo]()
$223
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Sun 2/226:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Deal found 2/12![Frontier logo]()
$232
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:38 pm
BOI
- AUS
1 stop10h 38m
Frontier
Sun 3/86:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/12![Frontier logo]()
$234
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2812:42 pm
BOI
- AUS
1 stop10h 17m
American Airlines
Tue 3/313:29 pm
AUS
- BOI
1 stop7h 54m
American Airlines
Deal found 2/14![American Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Thu 4/2311:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Wed 4/298:00 am
AUS
- BOI
1 stop28h 08m
Frontier
Deal found 2/14![Frontier logo]()
$239
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.
Sun 3/1512:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Sun 3/296:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/11![Frontier logo]()
$250
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.
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Sat 3/1410:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/11![Frontier logo]()
$251
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.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Wed 2/258:30 am
AUS
- BOI
1 stop28h 21m
Frontier
Deal found 2/12![Frontier logo]()
$258
Best flights from Boise to AustinDiscover carefully curated flight deals from Boise to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
Discover carefully curated flight deals from Boise to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 15, 2026.
This Frontier deal was found by Cheapflights users on 2/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:53 am
BOI
- AUS
1 stop11h 28m
Frontier
Sun 4/266:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Deal found 2/14![Frontier logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 2/14. 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 4/202:22 pm
BOI
- AUS
1 stop9h 12m
Alaska Airlines
Sat 4/256:00 am
AUS
- BOI
1 stop13h 34m
Alaska Airlines
Deal found 2/14![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 2/14. 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.
Sat 4/181:52 pm
BOI
- AUS
1 stop8h 56m
Delta
Thu 4/3011:30 am
AUS
- BOI
1 stop10h 54m
Delta
Deal found 2/14![Delta logo]()
$263
This Frontier deal was found by Cheapflights users on 2/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Thu 4/96:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Deal found 2/14![Frontier logo]()
$214
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
BOI
- AUS
1 stop7h 39m
Alaska Airlines
Mon 5/117:04 pm
AUS
- BOI
1 stop21h 29m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 2/14. 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.
Sat 4/187:24 am
BOI
- AUS
1 stop6h 56m
Delta
Sun 4/266:00 am
AUS
- BOI
1 stop15h 00m
Delta
Deal found 2/14![Delta logo]()
$263
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.
Sun 3/1512:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Sun 3/296:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/11![Frontier logo]()
$250
This Delta deal was found by Cheapflights users on 2/14. 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.
Mon 4/207:24 am
BOI
- AUS
1 stop15h 24m
Delta
Thu 4/305:55 pm
AUS
- BOI
1 stop7h 22m
Delta
Deal found 2/14![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 4/182:22 pm
BOI
- AUS
1 stop9h 12m
Alaska Airlines
Sat 4/256:00 am
AUS
- BOI
1 stop13h 34m
Alaska Airlines
Deal found 2/14![Alaska Airlines logo]()
$263
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.
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Sat 3/1410:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/11![Frontier logo]()
$251
This Delta deal was found by Cheapflights users on 2/14. 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 4/227:24 am
BOI
- AUS
1 stop8h 26m
Delta
Sat 4/256:00 am
AUS
- BOI
1 stop11h 14m
Delta
Deal found 2/14![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 2/14. 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 4/245:40 am
BOI
- AUS
1 stop6h 45m
Delta
Fri 5/16:00 am
AUS
- BOI
1 stop8h 12m
Delta
Deal found 2/14![Delta logo]()
$263
Last-minute flights from Boise to AustinDiscover last-minute flight deals from Boise to Austin. Data last updated February 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Austin. Data last updated February 15, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Thu 2/266:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Deal found 2/12![Frontier logo]()
$211
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Sun 2/226:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Deal found 2/12![Frontier logo]()
$232
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.
Fri 2/2011:56 am
BOI
- AUS
1 stop11h 26m
Frontier
Wed 2/258:30 am
AUS
- BOI
1 stop28h 21m
Frontier
Deal found 2/12![Frontier logo]()
$258
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
- AUS
1 stop10h 38m
Frontier
Sun 3/16:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Deal found 2/12![Frontier logo]()
$190
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.
Sun 3/111:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Sat 3/1410:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/11![Frontier logo]()
$251
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:38 pm
BOI
- AUS
1 stop10h 38m
Frontier
Sun 3/86:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/12![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 2/13. 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.
Sun 3/812:15 pm
BOI
- AUS
1 stop8h 48m
Frontier
Sat 3/1410:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/13![Frontier logo]()
$261
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.
Sun 3/1512:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Sun 3/296:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/11![Frontier logo]()
$250
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2812:42 pm
BOI
- AUS
1 stop10h 17m
American Airlines
Tue 3/313:29 pm
AUS
- BOI
1 stop7h 54m
American Airlines
Deal found 2/14![American Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 2/13. 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.
Sat 3/287:30 am
BOI
- AUS
1 stop7h 05m
Delta
Tue 3/316:03 am
AUS
- BOI
1 stop8h 02m
Delta
Deal found 2/13![Delta logo]()
$263
One-way flights from Boise to AustinSearch for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
Search for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated February 15, 2026.
This Trip.com deal was found by Cheapflights users on 2/13. 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.
Thu 3/512:38 pm
BOI
- AUS
1 stop10h 38m
Frontier
Deal found 2/13![Frontier logo]()
$105
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 3/2612:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$122
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.
Sun 3/1512:15 pm
BOI
- AUS
1 stop11h 01m
Frontier
Deal found 2/11![Frontier logo]()
$131
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:15 am
BOI
- AUS
1 stop5h 42m
United Airlines
Deal found 2/12![United Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 2/13. 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 3/61:51 pm
BOI
- AUS
1 stop9h 05m
Delta
Deal found 2/13![Delta logo]()
$172
This United Airlines deal was found by Cheapflights users on 2/13. 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 3/62:40 pm
BOI
- AUS
2 stops7h 15m
United Airlines
Deal found 2/13![United Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/37:00 am
BOI
- AUS
1 stop6h 44m
American Airlines
Deal found 2/13![American Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 2/13. 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 3/36:25 am
BOI
- AUS
2 stops7h 57m
United Airlines
Deal found 2/13![United Airlines logo]()
$250
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.
Sun 3/295:00 am
BOI
- AUS
2 stops7h 03m
United Airlines
Deal found 2/11![United Airlines logo]()
$276
Find flight deals from Boise to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Austin (AUS). 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Frontier) |
One-way from | $105 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $426 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Austin 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 15, 2026.
Use the filters below to find and compare flights from Boise to Austin that are best for you.
Fly from
Boise
Fly to
Austin
Route
Depart
Return
Price
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Thu 4/23
11:53 am-12:21 am
1 stop11h 28m
Austin Bergstrom
Sun 4/26
6:45 am-11:08 am
1 stop5h 23m
$190
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Thu 4/2
12:03 pm-12:21 am
1 stop11h 18m
Austin Bergstrom
Thu 4/9
6:45 am-11:08 am
1 stop5h 23m
$214
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sun 3/15
12:15 pm-12:16 am
1 stop11h 01m
Austin Bergstrom
Sun 3/29
6:45 am-11:20 am
1 stop5h 35m
$250
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sun 3/1
11:56 am-12:16 am
1 stop11h 20m
Austin Bergstrom
Sat 3/14
10:45 pm-11:20 am
1 stop13h 35m
$251
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 4/20
2:22 pm-12:34 am
1 stop9h 12m
Austin Bergstrom
Sat 4/25
6:00 am-6:34 pm
1 stop13h 34m
$263
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sat 4/18
1:52 pm-11:48 pm
1 stop8h 56m
Austin Bergstrom
Thu 4/30
11:30 am-9:24 pm
1 stop10h 54m
$263
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 5/4
6:00 am-2:39 pm
1 stop7h 39m
Austin Bergstrom
Mon 5/11
7:04 pm-3:33 pm
1 stop21h 29m
$263
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sat 4/18
7:24 am-3:20 pm
1 stop6h 56m
Austin Bergstrom
Sun 4/26
6:00 am-8:00 pm
1 stop15h 00m
$263
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 4/20
7:24 am-11:48 pm
1 stop15h 24m
Austin Bergstrom
Thu 4/30
5:55 pm-12:17 am
1 stop7h 22m
$263
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sat 4/18
2:22 pm-12:34 am
1 stop9h 12m
Austin Bergstrom
Sat 4/25
6:00 am-6:34 pm
1 stop13h 34m
$263
Showing 1-10 of 20 results
Compare providers for flights from Boise to Austin
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 Boise to Austin 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 Boise-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Austin 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 Boise-Austin 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 Boise to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Boise with our price prediction graph.
BOI-AUS
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 Boise to Austin
How far ahead should I book a flight from Boise to Austin?
Use this chart to determine the optimal time to book a round-trip flight from Boise to Austin. Price data was last updated on February 13, 2026.
The best time to book flights from Boise to Austin is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boise to Austin?
Currently, February is the cheapest month in which you can book a flight from Boise to Austin (average of $114). Flying from Boise to Austin in August is currently the most expensive (average of $244). 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 Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated February 15, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Boise to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Boise to Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay
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Other flights to Austin
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Boise and Austin flights
Browse other Boise and Austin flight options. Last updated on February 15, 2026.
Other flights from Boise
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Boise to Austin
Discover the top 5 airlines that operate flights from Boise to Austin. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$275 | Average$342 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$421 | FlexibilityNo cancel fee | On-time69% |