$118+ Cheap flights from Austin (AUS) to Idaho
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Cheapest flights from Austin to IdahoExplore the most affordable flight options available from Austin to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Austin to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:32 pm -
1 stop23h 23m
Mon 9/212:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$153
This Orbitz deal was found by Cheapflights users on 8/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 am -
1 stop7h 14m
Thu 9/102:50 pm -
1 stop19h 25m
Deal found 8/12![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/58:15 pm -
1 stop16h 14m
Tue 9/81:24 pm -
1 stop29h 05m
Deal found 8/12![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:32 pm -
1 stop23h 23m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:04 pm -
1 stop15h 51m
Mon 9/142:50 pm -
1 stop22h 47m
Deal found 8/13![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 9/86:15 am -
1 stop7h 14m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/58:15 pm -
1 stop16h 14m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/66:15 am -
1 stop6h 14m
Tue 9/81:24 pm -
1 stop29h 05m
Deal found 8/12![Frontier logo]()
$219
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:15 am -
1 stop7h 14m
Sat 9/262:16 pm -
1 stop7h 58m
Deal found 8/13![Multiple Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 pm -
1 stop5h 35m
Mon 9/143:40 pm -
1 stop6h 15m
Deal found 8/13![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/106:09 am -
1 stop6h 21m
Sat 9/195:10 am -
1 stop6h 17m
Deal found 8/13![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:24 pm -
2 stops10h 17m
Sat 9/191:37 pm -
1 stop8h 17m
Deal found 8/13![United Airlines logo]()
$290
Best flights from Austin to IdahoDiscover carefully curated flight deals from Austin to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Austin to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:45 pm -
2 stops7h 35m
Sat 9/261:50 pm -
1 stop6h 00m
Deal found 8/13![Southwest logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 8/317:15 am -
1 stop7h 06m
Wed 9/21:32 pm -
1 stop9h 27m
Deal found 8/12![Alaska Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/16. 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 9/306:09 am -
1 stop8h 11m
Tue 10/61:25 pm -
1 stop6h 17m
Deal found 8/16![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:24 pm -
2 stops7h 16m
Tue 9/294:28 pm -
1 stop6h 31m
Deal found 8/14![United Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 12/186:10 am -
1 stop6h 51m
Mon 12/211:57 pm -
1 stop8h 20m
Deal found 8/13![American Airlines logo]()
$535
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:45 pm -
2 stops7h 45m
Sat 9/192:15 pm -
1 stop6h 45m
Deal found 8/13![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 8/14. 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.
Tue 9/2912:55 pm -
2 stops7h 55m
Tue 10/612:55 pm -
1 stop7h 10m
Deal found 8/14![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:15 pm -
1 stop9h 33m
Thu 9/245:10 am -
1 stop6h 17m
Deal found 8/15![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 9/66:02 am -
2 stops18h 53m
Wed 9/98:03 am -
1 stop9h 01m
Deal found 8/12![Alaska Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/2311:04 am -
1 stop5h 19m
Wed 9/3010:35 am -
1 stop5h 22m
Deal found 8/12![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:25 pm -
1 stop6h 00m
Tue 9/297:40 am -
2 stops7h 15m
Deal found 8/16![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 12/237:25 pm -
1 stop6h 17m
Wed 1/65:45 am -
1 stop7h 12m
Deal found 8/13![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 am -
1 stop6h 31m
Wed 10/213:37 pm -
1 stop6h 22m
Deal found 8/17![Alaska Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/175:10 am -
2 stops9h 28m
Wed 10/212:44 pm -
2 stops7h 10m
Deal found 8/13![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:15 am -
2 stops7h 35m
Mon 10/266:00 am -
1 stop7h 00m
Deal found 8/16![Southwest logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/55:52 pm -
1 stop20h 32m
Sat 9/126:18 am -
1 stop8h 03m
Deal found 8/14![Alaska Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 am -
2 stops7h 35m
Tue 11/36:05 am -
1 stop6h 45m
Deal found 8/17![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 10/226:05 pm -
1 stop7h 01m
Tue 10/2712:19 pm -
1 stop7h 23m
Deal found 8/16![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/175:10 am -
2 stops9h 24m
Wed 10/211:38 pm -
1 stop8h 21m
Deal found 8/13![United Airlines logo]()
$390
This Expedia deal was found by Cheapflights users on 8/16. 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.
Fri 9/117:59 pm -
1 stop19h 03m
Mon 9/147:48 pm -
2 stops11h 43m
Deal found 8/16![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 8/16. 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.
Tue 10/61:40 pm -
2 stops9h 30m
Fri 10/96:56 pm -
1 stop21h 14m
Deal found 8/16![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:00 am -
1 stop6h 45m
Fri 9/258:00 am -
1 stop6h 54m
Deal found 8/14![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:45 pm -
2 stops7h 45m
Mon 10/52:30 pm -
2 stops8h 40m
Deal found 8/16![Southwest logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
1 stop7h 01m
Tue 11/171:53 pm -
2 stops28h 26m
Deal found 8/13![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:39 am -
2 stops8h 37m
Fri 10/94:05 pm -
1 stop6h 54m
Deal found 8/16![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:40 pm -
2 stops8h 00m
Tue 9/12:20 pm -
1 stop6h 05m
Deal found 8/13![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:13 pm -
1 stop4h 59m
Sat 9/263:19 pm -
1 stop5h 26m
Deal found 8/17![Delta logo]()
$465
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:35 pm -
1 stop7h 00m
Tue 9/17:05 am -
2 stops7h 50m
Deal found 8/13![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:00 pm -
2 stops9h 46m
Wed 10/211:40 pm -
2 stops8h 14m
Deal found 8/14![United Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:07 pm -
1 stop15h 39m
Sat 9/2610:28 am -
2 stops12h 31m
Deal found 8/17![Alaska Airlines logo]()
$499
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated August 18, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:15 am -
1 stop7h 14m
Sat 9/262:16 pm -
1 stop7h 58m
Deal found 8/13![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/58:15 pm -
1 stop16h 14m
Tue 9/81:24 pm -
1 stop29h 05m
Deal found 8/12![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/58:15 pm -
1 stop16h 14m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/66:15 am -
1 stop6h 14m
Tue 9/81:24 pm -
1 stop29h 05m
Deal found 8/12![Frontier logo]()
$219
This Orbitz deal was found by Cheapflights users on 8/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 am -
1 stop7h 14m
Thu 9/102:50 pm -
1 stop19h 25m
Deal found 8/12![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 9/86:15 am -
1 stop7h 14m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:32 pm -
1 stop23h 23m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:04 pm -
1 stop15h 51m
Mon 9/142:50 pm -
1 stop22h 47m
Deal found 8/13![Frontier logo]()
$206
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/106:09 am -
1 stop6h 21m
Sat 9/195:10 am -
1 stop6h 17m
Deal found 8/13![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:24 pm -
2 stops10h 17m
Sat 9/191:37 pm -
1 stop8h 17m
Deal found 8/13![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 pm -
1 stop5h 35m
Mon 9/143:40 pm -
1 stop6h 15m
Deal found 8/13![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:32 pm -
1 stop23h 23m
Mon 9/212:50 pm -
1 stop22h 47m
Deal found 8/12![Frontier logo]()
$153
One-way flights from Austin to IdahoSearch for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Frontier deal was found by Cheapflights users on 8/14. 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.
Tue 9/16:15 am -
1 stop7h 14m
Deal found 8/14![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/93:32 pm -
1 stop19h 47m
Deal found 8/16![Multiple Airlines logo]()
$123
This Jetabroad deal was found by Cheapflights users on 8/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:15 pm -
1 stop16h 14m
Deal found 8/17![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 9/123:32 pm -
1 stop19h 47m
Deal found 8/15![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Mon 9/78:51 pm -
2 stops16h 38m
Deal found 8/14![Frontier logo]()
$140
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/106:09 am -
1 stop8h 11m
Deal found 8/13![Delta logo]()
$143
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:50 pm -
2 stops9h 55m
Deal found 8/13![Southwest logo]()
$148
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:05 am -
1 stop9h 26m
Deal found 8/16![United Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/110:33 am -
2 stops7h 16m
Deal found 8/14![American Airlines logo]()
$155
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:02 pm -
2 stops10h 39m
Deal found 8/14![United Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/216:00 am -
1 stop5h 19m
Deal found 8/14![American Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/135:30 am -
1 stop5h 13m
Deal found 8/13![United Airlines logo]()
$171
Find flight deals from Austin to Idaho
Keep the following information in mind while searching for Austin to Idaho flight deals. Data was last updated August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $118 (Frontier) |
Popular in | June |
Cheapest in | February |
Average price | $372 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Idaho 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 August 18, 2026.
Use the filters below to find and compare flights from Austin to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Tue 9/1
4:45 pm-11:20 pm
2 stops7h 35m
Boise Air Term. Gowen Fld
Sat 9/26
1:50 pm-8:50 pm
1 stop6h 00m
$238
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Tue 9/15
4:45 pm-10:30 pm
2 stops7h 45m
Spokane
Sat 9/19
2:15 pm-11:00 pm
1 stop6h 45m
$290
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Mon 8/31
7:15 am-1:21 pm
1 stop7h 06m
Boise Air Term. Gowen Fld
Wed 9/2
1:32 pm-11:59 pm
1 stop9h 27m
$291
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Wed 9/30
6:09 am-12:20 pm
1 stop8h 11m
Spokane
Tue 10/6
1:25 pm-9:42 pm
1 stop6h 17m
$299
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Tue 9/29
12:55 pm-7:50 pm
2 stops7h 55m
Boise Air Term. Gowen Fld
Tue 10/6
12:55 pm-9:05 pm
1 stop7h 10m
$304
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Tue 9/15
6:25 pm-11:25 pm
1 stop6h 00m
Boise Air Term. Gowen Fld
Tue 9/29
7:40 am-3:55 pm
2 stops7h 15m
$304
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Fri 10/23
5:15 am-10:50 am
2 stops7h 35m
Spokane
Mon 10/26
6:00 am-3:00 pm
1 stop7h 00m
$313
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Fri 10/30
5:15 am-10:50 am
2 stops7h 35m
Spokane
Tue 11/3
6:05 am-2:50 pm
1 stop6h 45m
$313
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Thu 9/17
4:15 pm-11:48 pm
1 stop9h 33m
Spokane
Thu 9/24
5:10 am-1:27 pm
1 stop6h 17m
$339
AustinJackson
AUS Austin Bergstrom - JAC Jackson Hole
AUSJAC
Austin Bergstrom
Tue 9/15
2:24 pm-8:40 pm
2 stops7h 16m
Jackson Hole
Tue 9/29
4:28 pm-11:59 pm
1 stop6h 31m
$346
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Austin to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Austin with our price prediction graph.
AUS-BOI
AUS-GEG
AUS-JAC
AUS-IDA
AUS-SUN
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 Idaho
AUS-USID
AUS-BOI
AUS-GEG
AUS-JAC
AUS-IDA
What is the cheapest month to book a flight from Austin to Idaho?
Currently, January is the cheapest month in which you can book a flight from Austin to Idaho (average of $314). Flying from Austin to Idaho in June is currently the most expensive (average of $508). 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 Idaho?
Airfare is below average for this route at the moment.
Austin to Idaho flights typically cost between $314 and $408 in September.The cheapest round-trip price found within the last 5 days was $156 on Frontier (Sep 16-Sep 21).
How far ahead should I book a flight from Austin to Idaho?
The best time to book flights from Austin to Idaho is 14 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.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated August 18, 2026.
Read through reviews of airlines operating flights from Austin to Idaho, such as Southwest,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Austin to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Austin to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Idaho by cabin class
Find flights from Austin to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Idaho flights
Browse other Austin and Idaho flight options. Last updated on August 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Idaho flights
Consider these flights traveling from Austin to Idaho.
Top 6 airlines flying from Austin to Idaho
Discover the top 6 airlines that operate flights from Austin to Idaho. 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$370 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$417 | FlexibilityNo cancel fee | On-time63% |