$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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Sep 11 — Sep 181
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 12, 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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:32 pm -
1 stop23h 23m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/10![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/233:32 pm -
1 stop23h 23m
Fri 9/252:50 pm -
1 stop22h 47m
Deal found 8/11![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:15 am -
1 stop7h 14m
Tue 9/151:31 pm -
1 stop9h 28m
Deal found 8/11![Multiple Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:50 pm -
1 stop6h 15m
Tue 9/292:20 pm -
1 stop6h 10m
Deal found 8/11![Southwest logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:04 pm -
1 stop15h 51m
Mon 9/142:50 pm -
1 stop22h 47m
Deal found 8/10![Frontier logo]()
$243
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:05 am -
2 stops12h 45m
Wed 9/163:30 pm -
1 stop6h 05m
Deal found 8/10![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:55 pm -
1 stop5h 45m
Sat 9/261:50 pm -
1 stop8h 10m
Deal found 8/11![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 pm -
1 stop6h 00m
Tue 9/157:05 am -
2 stops7h 50m
Deal found 8/11![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 pm -
1 stop5h 35m
Fri 9/254:55 pm -
1 stop5h 20m
Deal found 8/10![Southwest logo]()
$263
This Orbitz deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 9/114:27 pm -
1 stop6h 32m
Deal found 8/9![Multiple Airlines logo]()
$268
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:45 pm -
1 stop10h 02m
Sat 11/147:03 am -
1 stop13h 26m
Deal found 8/10![Alaska Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am -
1 stop7h 53m
Wed 9/96:22 am -
1 stop6h 58m
Deal found 8/11![Delta logo]()
$285
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 12, 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 12, 2026.
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:50 pm -
1 stop6h 15m
Tue 9/292:20 pm -
1 stop6h 10m
Deal found 8/11![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:11 pm -
1 stop7h 48m
Mon 9/212:05 pm -
1 stop6h 22m
Deal found 8/10![Delta logo]()
$324
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.
Sat 9/262:01 pm -
2 stops8h 38m
Tue 9/296:25 am -
1 stop5h 30m
Deal found 8/12![United Airlines logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/131:36 pm -
1 stop10h 03m
Sat 1/164:03 pm -
1 stop7h 06m
Deal found 8/11![Alaska Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 pm -
1 stop6h 00m
Tue 9/157:05 am -
2 stops7h 50m
Deal found 8/11![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:00 am -
2 stops12h 55m
Thu 9/173:45 pm -
1 stop7h 30m
Deal found 8/11![Southwest logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:07 pm -
1 stop21h 13m
Mon 10/263:57 pm -
1 stop7h 02m
Deal found 8/11![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:12 pm -
2 stops10h 25m
Wed 9/28:15 am -
1 stop7h 18m
Deal found 8/10![United Airlines logo]()
$358
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 pm -
1 stop7h 02m
Wed 1/62:05 pm -
1 stop6h 52m
Deal found 8/12![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:25 pm -
1 stop7h 08m
Sat 9/125:24 am -
1 stop5h 47m
Deal found 8/11![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 8/7. 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 9/191:15 pm -
2 stops6h 25m
Sat 9/261:50 pm -
1 stop8h 10m
Deal found 8/7![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/8![Alaska Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/93:08 pm -
1 stop6h 32m
Fri 9/119:28 am -
1 stop8h 03m
Deal found 8/7![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 8/7. 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 10/146:05 pm -
1 stop6h 45m
Mon 10/191:55 pm -
2 stops8h 45m
Deal found 8/7![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:00 pm -
1 stop7h 02m
Wed 1/66:30 am -
1 stop8h 53m
Deal found 8/10![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/9![Alaska Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/114:32 pm -
1 stop5h 30m
Wed 1/1310:51 am -
1 stop4h 43m
Deal found 8/8![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:05 am -
1 stop8h 52m
Tue 9/85:49 pm -
2 stops19h 31m
Deal found 8/11![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 8/237:15 am -
1 stop7h 09m
Thu 8/273:57 pm -
1 stop7h 02m
Deal found 8/7![Alaska Airlines logo]()
$409
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:40 pm -
2 stops8h 05m
Wed 1/66:10 am -
2 stops8h 50m
Deal found 8/12![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am -
2 stops9h 28m
Wed 9/164:25 pm -
1 stop6h 29m
Deal found 8/8![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:52 pm -
1 stop7h 19m
Thu 9/107:03 am -
2 stops10h 16m
Deal found 8/11![Alaska Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:13 pm -
1 stop5h 09m
Wed 9/161:05 pm -
2 stops9h 20m
Deal found 8/11![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:55 pm -
1 stop8h 00m
Mon 9/143:50 pm -
2 stops7h 40m
Deal found 8/8![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/282:30 pm -
2 stops7h 16m
Sat 10/38:00 am -
1 stop6h 54m
Deal found 8/7![United Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 pm -
1 stop7h 02m
Thu 12/317:00 am -
1 stop8h 41m
Deal found 8/9![Delta logo]()
$441
This Southwest deal was found by Cheapflights users on 8/7. 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 12/237:10 pm -
2 stops8h 00m
Wed 1/67:00 am -
1 stop5h 40m
Deal found 8/7![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 10/811:06 am -
1 stop7h 43m
Tue 10/134:28 pm -
1 stop6h 31m
Deal found 8/11![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 8/7. 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 12/225:50 am -
1 stop7h 15m
Wed 12/235:25 am -
2 stops9h 20m
Deal found 8/7![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 8/7. 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 9/188:00 am -
1 stop7h 38m
Sat 9/261:00 pm -
1 stop7h 45m
Deal found 8/7![Delta logo]()
$445
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated August 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am -
1 stop7h 53m
Wed 9/96:22 am -
1 stop6h 58m
Deal found 8/11![Delta logo]()
$285
This Expedia deal was found by Cheapflights users on 8/11. 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.
Tue 9/86:15 am -
1 stop7h 14m
Tue 9/151:31 pm -
1 stop9h 28m
Deal found 8/11![Multiple Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 pm -
1 stop6h 00m
Tue 9/157:05 am -
2 stops7h 50m
Deal found 8/11![Southwest logo]()
$252
This Orbitz deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 9/114:27 pm -
1 stop6h 32m
Deal found 8/9![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:32 pm -
1 stop23h 23m
Fri 9/112:50 pm -
1 stop22h 47m
Deal found 8/10![Frontier logo]()
$203
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:15 pm -
1 stop8h 15m
Wed 9/163:30 pm -
1 stop6h 05m
Deal found 8/10![Southwest logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:04 pm -
1 stop15h 51m
Mon 9/142:50 pm -
1 stop22h 47m
Deal found 8/10![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:04 pm -
1 stop13h 46m
Mon 9/146:21 pm -
1 stop19h 16m
Deal found 8/9![Multiple Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:55 pm -
1 stop5h 45m
Sat 9/261:50 pm -
1 stop8h 10m
Deal found 8/11![Southwest logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/233:32 pm -
1 stop23h 23m
Fri 9/252:50 pm -
1 stop22h 47m
Deal found 8/11![Frontier logo]()
$206
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:55 pm -
1 stop5h 35m
Fri 9/254:55 pm -
1 stop5h 20m
Deal found 8/10![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:50 am -
2 stops9h 40m
Tue 9/293:40 pm -
1 stop5h 25m
Deal found 8/11![Southwest logo]()
$238
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 12, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Priceline deal was found by Cheapflights users on 8/7. 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.
Tue 8/256:15 am -
1 stop7h 14m
Deal found 8/7![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1011:04 pm -
1 stop15h 51m
Deal found 8/11![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:15 pm -
1 stop16h 14m
Deal found 8/8![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:32 pm -
1 stop19h 47m
Deal found 8/10![Multiple Airlines logo]()
$141
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:30 pm -
1 stop7h 10m
Deal found 8/9![Southwest logo]()
$143
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:15 pm -
1 stop7h 44m
Deal found 8/11![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:40 pm -
2 stops9h 20m
Deal found 8/10![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 8/7. 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 8/257:00 am -
2 stops7h 40m
Deal found 8/7![Southwest logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:24 pm -
2 stops42h 31m
Deal found 8/8![Frontier logo]()
$157
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:00 am -
1 stop8h 01m
Deal found 8/10![American Airlines logo]()
$161
This deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:07 pm -
1 stop6h 32m
Deal found 8/10![United Airlines logo]()
$162
This Priceline deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:15 am -
1 stop6h 14m
Deal found 8/9![Frontier logo]()
$163
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (Kiwi.com) |
One-way from | $118 (Priceline) |
Popular in | June |
Cheapest in | February |
Average price | $379 |
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 12, 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
Sat 9/26
4:50 pm-10:05 pm
1 stop6h 15m
Boise Air Term. Gowen Fld
Tue 9/29
2:20 pm-9:30 pm
1 stop6h 10m
$233
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Tue 9/8
6:25 pm-11:25 pm
1 stop6h 00m
Boise Air Term. Gowen Fld
Tue 9/15
7:05 am-3:55 pm
2 stops7h 50m
$252
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Thu 9/10
11:00 am-10:55 pm
2 stops12h 55m
Boise Air Term. Gowen Fld
Thu 9/17
3:45 pm-12:15 am
1 stop7h 30m
$299
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Fri 9/18
6:11 pm-11:59 pm
1 stop7h 48m
Spokane
Mon 9/21
2:05 pm-10:27 pm
1 stop6h 22m
$324
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Sat 9/26
2:01 pm-9:39 pm
2 stops8h 38m
Boise Air Term. Gowen Fld
Tue 9/29
6:25 am-12:55 pm
1 stop5h 30m
$328
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Wed 1/13
1:36 pm-10:39 pm
1 stop10h 03m
Idaho Falls Fanning Field
Sat 1/16
4:03 pm-12:09 am
1 stop7h 06m
$339
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Fri 10/23
7:07 pm-3:20 pm
1 stop21h 13m
Idaho Falls Fanning Field
Mon 10/26
3:57 pm-11:59 pm
1 stop7h 02m
$339
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Sat 9/19
1:15 pm-6:40 pm
2 stops6h 25m
Boise Air Term. Gowen Fld
Sat 9/26
1:50 pm-11:00 pm
1 stop8h 10m
$354
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Wed 10/14
6:05 pm-11:50 pm
1 stop6h 45m
Boise Air Term. Gowen Fld
Mon 10/19
1:55 pm-11:40 pm
2 stops8h 45m
$354
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Mon 8/31
12:12 pm-9:37 pm
2 stops10h 25m
Boise Air Term. Gowen Fld
Wed 9/2
8:15 am-4:33 pm
1 stop7h 18m
$358
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 $292 and $408 in September.The cheapest round-trip price found within the last 5 days was $203 on Frontier (Sep 9-Sep 11).
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 12, 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.
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
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 12, 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 12, 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$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$370 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$416 | FlexibilityNo cancel fee | On-time63% |