$150+ Cheap flights from Idaho to Austin (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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Austin 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
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Cheapest flights from Idaho to AustinExplore the most affordable flight options available from Idaho to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Idaho to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/142:50 pm -
1 stop22h 47m
Wed 9/233:32 pm -
1 stop23h 23m
Deal found 8/21![Frontier logo]()
$228
This Expedia deal was found by Cheapflights users on 8/23. 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 9/242:50 pm -
1 stop6h 19m
Mon 9/287:07 pm -
1 stop15h 49m
Deal found 8/23![Multiple Airlines logo]()
$275
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop6h 19m
Sun 9/2011:04 pm -
1 stop15h 51m
Deal found 8/25![Frontier logo]()
$293
This Delta deal was found by Cheapflights users on 8/24. 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 9/126:00 am -
1 stop6h 11m
Wed 9/164:15 pm -
1 stop7h 44m
Deal found 8/24![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/24. 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 12/16:50 am -
1 stop8h 47m
Thu 12/1011:02 am -
1 stop9h 55m
Deal found 8/24![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/21. 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 10/2112:55 pm -
1 stop7h 10m
Sat 10/245:50 am -
2 stops8h 05m
Deal found 8/21![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 9/112:15 pm -
1 stop5h 40m
Wed 9/166:00 am -
2 stops9h 05m
Deal found 8/23![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 8/23. 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 9/295:45 am -
2 stops8h 10m
Wed 9/306:00 am -
2 stops9h 05m
Deal found 8/23![Southwest logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/128:03 am -
1 stop9h 01m
Wed 9/166:02 am -
1 stop9h 00m
Deal found 8/24![Alaska Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 8/22. 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 12/49:59 am -
1 stop5h 16m
Mon 12/712:33 pm -
1 stop5h 34m
Deal found 8/22![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 8/25. 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.
Fri 10/1610:35 am -
2 stops7h 30m
Tue 10/204:25 pm -
1 stop6h 25m
Deal found 8/25![Southwest logo]()
$317
This Expedia deal was found by Cheapflights users on 8/23. 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 9/312:24 pm -
1 stop10h 17m
Tue 9/86:15 am -
1 stop7h 14m
Deal found 8/23![Frontier logo]()
$318
Best flights from Idaho to AustinDiscover carefully curated flight deals from Idaho to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Idaho to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 10/54:20 pm -
1 stop6h 39m
Mon 10/197:07 pm -
1 stop15h 49m
Deal found 8/24![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/23. 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 10/175:10 am -
1 stop6h 25m
Tue 10/206:00 am -
1 stop8h 18m
Deal found 8/23![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/21. 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 10/2112:55 pm -
1 stop7h 10m
Sat 10/245:50 am -
2 stops8h 05m
Deal found 8/21![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/224:28 pm -
1 stop6h 31m
Tue 10/275:15 am -
2 stops9h 10m
Deal found 8/25![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 9/112:15 pm -
1 stop5h 40m
Wed 9/166:00 am -
2 stops9h 05m
Deal found 8/23![Southwest logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 11/53:18 pm -
1 stop6h 41m
Mon 11/97:59 pm -
1 stop27h 30m
Deal found 8/25![Alaska Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 8/20. 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.
Fri 9/1112:20 pm -
1 stop8h 10m
Tue 9/156:00 am -
2 stops9h 05m
Deal found 8/20![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/24. 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 1/56:00 am -
1 stop4h 58m
Tue 1/192:30 pm -
1 stop4h 44m
Deal found 8/24![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 9/184:27 pm -
1 stop6h 32m
Mon 9/217:07 pm -
1 stop15h 49m
Deal found 8/25![Alaska Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/64:28 pm -
1 stop6h 31m
Tue 10/133:13 pm -
1 stop6h 33m
Deal found 8/22![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 8/25. 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 1/56:00 am -
2 stops10h 23m
Sat 1/308:10 am -
1 stop5h 17m
Deal found 8/25![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/25. 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.
Fri 10/1610:35 am -
2 stops7h 30m
Tue 10/204:25 pm -
1 stop6h 25m
Deal found 8/25![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 1/53:58 pm -
1 stop23h 44m
Sat 1/307:15 am -
1 stop9h 06m
Deal found 8/25![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/25. 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 10/231:25 pm -
1 stop6h 17m
Sun 10/256:00 am -
1 stop8h 18m
Deal found 8/25![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/192:41 pm -
1 stop5h 03m
Sun 9/207:05 am -
1 stop9h 26m
Deal found 8/20![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 9/113:45 pm -
1 stop7h 30m
Mon 9/146:55 pm -
1 stop5h 45m
Deal found 8/23![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 8/21. 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 1/56:00 am -
2 stops10h 23m
Fri 1/296:30 am -
2 stops12h 44m
Deal found 8/21![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/1210:36 am -
2 stops11h 38m
Wed 9/168:00 am -
2 stops12h 19m
Deal found 8/24![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 11/207:05 am -
1 stop6h 34m
Mon 11/236:00 am -
1 stop18h 49m
Deal found 8/25![Alaska Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 8/22. 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 9/107:05 am -
1 stop8h 02m
Sun 9/136:09 am -
1 stop6h 21m
Deal found 8/22![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:55 pm -
2 stops7h 50m
Sat 9/265:50 am -
2 stops9h 40m
Deal found 8/22![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/20. 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 2/53:30 pm -
1 stop7h 55m
Tue 2/94:32 pm -
1 stop5h 30m
Deal found 8/20![United Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 9/156:18 am -
1 stop8h 03m
Fri 9/187:07 pm -
1 stop21h 13m
Deal found 8/23![Alaska Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 8/21. 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.
Thu 10/110:35 am -
1 stop12h 10m
Sun 10/410:45 pm -
2 stops14h 05m
Deal found 8/21![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/3010:35 am -
1 stop7h 14m
Sat 10/35:10 am -
2 stops11h 14m
Deal found 8/20![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 8/25. 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 11/311:25 am -
2 stops8h 45m
Sun 11/87:35 pm -
2 stops6h 50m
Deal found 8/25![Southwest logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 12/54:03 pm -
1 stop7h 06m
Wed 12/96:00 am -
2 stops17h 39m
Deal found 8/21![Alaska Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/54:05 pm -
1 stop6h 54m
Wed 10/79:39 am -
2 stops8h 37m
Deal found 8/25![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 8/22. 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.
Thu 9/103:40 pm -
1 stop6h 15m
Sun 9/135:35 am -
2 stops10h 15m
Deal found 8/22![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 8/25. 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 9/96:16 am -
1 stop4h 11m
Sun 9/138:00 am -
1 stop5h 23m
Deal found 8/25![Delta logo]()
$509
Last-minute flights from Idaho to AustinDiscover last-minute flight deals from Idaho to Austin. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Austin. Data last updated August 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/23. 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 9/312:24 pm -
1 stop10h 17m
Tue 9/86:15 am -
1 stop7h 14m
Deal found 8/23![Frontier logo]()
$318
This Southwest deal was found by Cheapflights users on 8/22. 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 9/93:40 pm -
1 stop5h 25m
Tue 9/1512:55 pm -
2 stops7h 55m
Deal found 8/22![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/24. 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 9/101:00 pm -
1 stop8h 55m
Mon 9/146:09 am -
1 stop8h 11m
Deal found 8/24![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 9/112:15 pm -
1 stop5h 40m
Wed 9/166:00 am -
2 stops9h 05m
Deal found 8/23![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/24. 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 9/126:00 am -
1 stop6h 11m
Wed 9/164:15 pm -
1 stop7h 44m
Deal found 8/24![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/128:03 am -
1 stop9h 01m
Wed 9/166:02 am -
1 stop9h 00m
Deal found 8/24![Alaska Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/121:15 pm -
1 stop8h 59m
Sat 9/197:15 am -
2 stops9h 17m
Deal found 8/25![Alaska Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/142:50 pm -
1 stop22h 47m
Wed 9/233:32 pm -
1 stop23h 23m
Deal found 8/21![Frontier logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop6h 19m
Sun 9/2011:04 pm -
1 stop15h 51m
Deal found 8/25![Frontier logo]()
$293
This Delta deal was found by Cheapflights users on 8/21. 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 9/226:22 am -
1 stop6h 58m
Fri 9/256:13 pm -
1 stop6h 41m
Deal found 8/21![Delta logo]()
$312
This Expedia deal was found by Cheapflights users on 8/23. 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 9/242:50 pm -
1 stop6h 19m
Mon 9/287:07 pm -
1 stop15h 49m
Deal found 8/23![Multiple Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 8/23. 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 9/295:45 am -
2 stops8h 10m
Wed 9/306:00 am -
2 stops9h 05m
Deal found 8/23![Southwest logo]()
$309
One-way flights from Idaho to AustinSearch for one-way flight options from Idaho to Austin. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Idaho to Austin. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Delta deal was found by Cheapflights users on 8/25. 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 9/268:49 am -
1 stop7h 22m
Deal found 8/25![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 8/21. 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 11/127:00 am -
1 stop8h 15m
Deal found 8/21![Delta logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/182:50 pm -
1 stop22h 47m
Deal found 8/21![Frontier logo]()
$154
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/56:00 am -
2 stops13h 07m
Deal found 8/24![United Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 8/24. 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 10/161:00 pm -
1 stop8h 50m
Deal found 8/24![Delta logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/216:21 pm -
1 stop19h 16m
Deal found 8/24![Multiple Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/116:00 am -
2 stops13h 07m
Deal found 8/24![United Airlines logo]()
$170
This Priceline deal was found by Cheapflights users on 8/24. 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.
Wed 1/271:56 pm -
1 stop9h 02m
Deal found 8/24![Alaska Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 8/24. 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 11/267:25 am -
1 stop5h 05m
Deal found 8/24![Delta logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/267:00 am -
2 stops8h 49m
Deal found 8/25![Alaska Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 8/24. 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.
Fri 10/166:15 pm -
2 stops14h 40m
Deal found 8/24![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 8/24. 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 1/271:10 pm -
2 stops9h 36m
Deal found 8/24![Delta logo]()
$182
Find flight deals from Idaho to Austin
Keep the following information in mind while searching for Idaho to Austin flight deals. Data was last updated August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Kiwi.com) |
One-way from | $150 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $372 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 7,457,451 searches. Data last updated August 25, 2026.
Use the filters below to find and compare flights from Idaho to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Mon 10/5
4:20 pm-11:59 pm
1 stop6h 39m
Austin Bergstrom
Mon 10/19
7:07 pm-9:56 am
1 stop15h 49m
$299
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Sat 10/17
5:10 am-1:35 pm
1 stop6h 25m
Austin Bergstrom
Tue 10/20
6:00 am-12:18 pm
1 stop8h 18m
$299
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Wed 10/21
12:55 pm-9:05 pm
1 stop7h 10m
Austin Bergstrom
Sat 10/24
5:50 am-12:55 pm
2 stops8h 05m
$304
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Fri 9/11
2:15 pm-9:55 pm
1 stop5h 40m
Austin Bergstrom
Wed 9/16
6:00 am-1:05 pm
2 stops9h 05m
$304
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Fri 9/11
12:20 pm-10:30 pm
1 stop8h 10m
Austin Bergstrom
Tue 9/15
6:00 am-1:05 pm
2 stops9h 05m
$304
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Fri 10/16
10:35 am-8:05 pm
2 stops7h 30m
Austin Bergstrom
Tue 10/20
4:25 pm-8:50 pm
1 stop6h 25m
$317
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Thu 11/5
3:18 pm-11:59 pm
1 stop6h 41m
Austin Bergstrom
Mon 11/9
7:59 pm-9:29 pm
1 stop27h 30m
$321
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Fri 9/18
4:27 pm-11:59 pm
1 stop6h 32m
Austin Bergstrom
Mon 9/21
7:07 pm-9:56 am
1 stop15h 49m
$324
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Tue 1/5
6:00 am-11:58 am
1 stop4h 58m
Austin Bergstrom
Tue 1/19
2:30 pm-6:14 pm
1 stop4h 44m
$339
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Tue 1/5
3:58 pm-4:42 pm
1 stop23h 44m
Austin Bergstrom
Sat 1/30
7:15 am-3:21 pm
1 stop9h 06m
$339
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Idaho with our price prediction graph.
BOI-AUS
GEG-AUS
IDA-AUS
JAC-AUS
TWF-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 Idaho to Austin
USID-AUS
BOI-AUS
GEG-AUS
IDA-AUS
JAC-AUS
What is the cheapest month to book a flight from Idaho to Austin?
Currently, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $288). Flying from Idaho to Austin in July is currently the most expensive (average of $620). 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 Idaho to Austin?
Airfare is below average for this route at the moment.
Idaho to Austin flights typically cost between $306 and $586 in September.The cheapest round-trip price found within the last 5 days was $228 on Frontier (Sep 14-Sep 23).
How far ahead should I book a flight from Idaho to Austin?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Idaho 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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Idaho to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Austin by cabin class
Find flights from Idaho to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Austin flights
Browse other Idaho and Austin flight options. Last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Austin flights
Consider these flights traveling from Idaho to Austin.
Top 6 airlines flying from Idaho to Austin
Discover the top 6 airlines that operate flights from Idaho 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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$468 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$269 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$415 | FlexibilityNo cancel fee | On-time71% |