$123+ Cheap flights from Austin (AUS) to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Idaho with Cheapflights
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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 September 21, 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 September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 11/171:27 pm -
1 stop8h 48m
Wed 11/185:00 am -
1 stop5h 08m
Deal found 9/16![United Airlines logo]()
$240
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:18 pm -
1 stop26h 37m
Thu 10/292:49 pm -
1 stop20h 24m
Deal found 9/18![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:38 pm -
1 stop9h 21m
Sat 10/245:59 am -
1 stop9h 50m
Deal found 9/17![Alaska Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 am -
2 stops8h 53m
Sat 10/245:30 pm -
1 stop5h 29m
Deal found 9/17![United Airlines logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:32 pm -
1 stop23h 23m
Mon 10/52:50 pm -
1 stop22h 47m
Deal found 9/17![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:51 pm -
1 stop17h 24m
Mon 12/147:58 pm -
1 stop24h 58m
Deal found 9/18![Multiple Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 9/16. 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 11/46:15 am -
1 stop5h 30m
Mon 11/93:55 pm -
1 stop7h 15m
Deal found 9/16![Southwest logo]()
$261
This CheapOair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:18 pm -
1 stop26h 37m
Thu 10/222:50 pm -
1 stop28h 37m
Deal found 9/18![Frontier logo]()
$275
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 am -
1 stop6h 31m
Sat 10/2412:42 pm -
1 stop8h 32m
Deal found 9/17![Alaska Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/164:34 pm -
1 stop7h 17m
Wed 10/214:20 pm -
1 stop6h 39m
Deal found 9/17![Alaska Airlines logo]()
$277
This Trip.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/127:15 am -
1 stop6h 51m
Mon 12/146:00 am -
1 stop7h 40m
Deal found 9/19![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 9/17. 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.
Wed 10/214:30 pm -
2 stops8h 25m
Sat 10/2411:25 am -
2 stops8h 35m
Deal found 9/17![Southwest logo]()
$286
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 September 21, 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 September 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 12/57:15 am -
1 stop6h 26m
Tue 12/83:14 pm -
1 stop6h 45m
Deal found 9/17![Alaska Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 9/16. 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 11/46:05 am -
2 stops8h 00m
Mon 11/98:30 pm -
2 stops12h 00m
Deal found 9/16![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 10/218:15 am -
1 stop6h 04m
Wed 10/283:30 pm -
1 stop6h 20m
Deal found 9/21![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/19:45 am -
2 stops10h 08m
Thu 12/39:00 am -
1 stop8h 03m
Deal found 9/19![United Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/173:38 pm -
1 stop9h 21m
Wed 10/214:20 pm -
1 stop6h 39m
Deal found 9/17![Alaska Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/136:00 pm -
1 stop5h 59m
Sat 11/148:15 am -
1 stop8h 24m
Deal found 9/19![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/20. 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.
Wed 11/116:15 am -
2 stops9h 15m
Sat 11/145:00 am -
2 stops10h 10m
Deal found 9/20![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:18 pm -
1 stop4h 58m
Mon 10/261:05 pm -
1 stop7h 37m
Deal found 9/18![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/167:07 pm -
1 stop15h 49m
Fri 10/234:20 pm -
1 stop6h 39m
Deal found 9/17![Alaska Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/75:30 am -
1 stop5h 04m
Sun 10/115:00 am -
1 stop5h 30m
Deal found 9/16![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 9/21. 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.
Fri 12/46:25 am -
1 stop5h 50m
Sun 12/62:50 pm -
1 stop7h 05m
Deal found 9/21![Southwest logo]()
$391
This deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:15 am -
1 stop6h 31m
Sun 11/86:03 am -
1 stop6h 28m
Deal found 9/16![Alaska Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:38 pm -
1 stop9h 21m
Sat 10/248:57 am -
2 stops9h 22m
Deal found 9/20![Alaska Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/176:00 am -
1 stop6h 40m
Tue 12/293:10 pm -
2 stops9h 10m
Deal found 9/19![Southwest logo]()
$407
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/198:15 am -
1 stop7h 20m
Mon 10/261:00 pm -
1 stop7h 42m
Deal found 9/19![Delta logo]()
$485
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/2011:06 am -
1 stop5h 18m
Mon 10/262:25 pm -
2 stops7h 50m
Deal found 9/16![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop11h 05m
Thu 10/155:15 pm -
1 stop7h 40m
Deal found 9/18![Southwest logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/65:52 pm -
1 stop7h 02m
Sat 10/106:04 pm -
1 stop19h 31m
Deal found 9/21![Alaska Airlines logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 10/278:30 am -
1 stop27h 36m
Sat 10/3111:48 am -
1 stop30h 16m
Deal found 9/17![Alaska Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 10/115:30 am -
1 stop5h 23m
Sat 10/175:51 pm -
1 stop5h 08m
Deal found 9/20![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/195:30 am -
1 stop5h 14m
Fri 10/232:48 pm -
1 stop5h 00m
Deal found 9/19![United Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/307:07 pm -
1 stop15h 49m
Sun 11/17:05 am -
1 stop8h 44m
Deal found 9/17![Alaska Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:07 am -
2 stops9h 32m
Tue 10/272:25 pm -
1 stop5h 33m
Deal found 9/17![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/195:30 am -
2 stops10h 08m
Mon 10/262:34 pm -
2 stops7h 41m
Deal found 9/19![United Airlines logo]()
$495
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:52 pm -
1 stop20h 29m
Mon 10/263:57 pm -
2 stops20h 16m
Deal found 9/16![Alaska Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/2111:06 am -
1 stop7h 43m
Sat 10/247:00 am -
1 stop4h 55m
Deal found 9/20![United Airlines logo]()
$511
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 11/127:59 pm -
2 stops20h 19m
Sun 11/153:55 pm -
1 stop7h 04m
Deal found 9/17![Alaska Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 10/129:02 am -
1 stop5h 22m
Sat 10/174:05 pm -
1 stop6h 54m
Deal found 9/20![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/1910:45 am -
1 stop5h 53m
Sun 11/222:35 pm -
2 stops7h 40m
Deal found 9/19![United Airlines logo]()
$552
This Alaska Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/197:59 pm -
2 stops20h 21m
Mon 10/263:57 pm -
2 stops26h 22m
Deal found 9/19![Alaska Airlines logo]()
$556
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated September 21, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:32 pm -
1 stop23h 23m
Mon 10/52:50 pm -
1 stop22h 47m
Deal found 9/17![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:18 pm -
1 stop26h 37m
Thu 10/222:50 pm -
1 stop28h 37m
Deal found 9/18![Frontier logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/164:34 pm -
1 stop7h 17m
Wed 10/214:20 pm -
1 stop6h 39m
Deal found 9/17![Alaska Airlines logo]()
$277
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:38 pm -
1 stop9h 21m
Sat 10/245:59 am -
1 stop9h 50m
Deal found 9/17![Alaska Airlines logo]()
$245
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 am -
1 stop6h 31m
Sat 10/2412:42 pm -
1 stop8h 32m
Deal found 9/17![Alaska Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop7h 51m
Sat 10/242:41 pm -
1 stop8h 18m
Deal found 9/17![American Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:38 pm -
1 stop9h 21m
Wed 10/214:20 pm -
1 stop6h 39m
Deal found 9/20![Alaska Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:17 pm -
2 stops8h 42m
Sat 10/242:44 pm -
1 stop5h 04m
Deal found 9/18![United Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 am -
2 stops8h 53m
Sat 10/245:30 pm -
1 stop5h 29m
Deal found 9/17![United Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 9/17. 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.
Wed 10/214:30 pm -
2 stops8h 25m
Sat 10/2411:25 am -
2 stops8h 35m
Deal found 9/17![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 10/218:15 am -
1 stop6h 04m
Wed 10/283:30 pm -
1 stop6h 20m
Deal found 9/21![Delta logo]()
$299
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:18 pm -
1 stop26h 37m
Thu 10/292:49 pm -
1 stop20h 24m
Deal found 9/18![Frontier logo]()
$241
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 September 21, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/2410:10 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$123
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/242:01 pm -
2 stops8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$128
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:50 pm -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Southwest logo]()
$138
This Southwest deal was found by Cheapflights users on 9/17. 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.
Mon 12/145:40 pm -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$139
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$146
This Priceline deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:07 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Alaska Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/306:00 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$155
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:02 am -
2 stops11h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 11/196:25 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/1712:54 pm -
2 stops10h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 10/307:23 am -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$195
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (United Airlines) |
One-way from | $123 (Southwest) |
Popular in | June |
Cheapest in | February |
Average price | $444 |
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 7,457,451 searches. Data last updated September 21, 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 10/24
10:10 am-4:15 pm
1 stop7h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$123
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Sat 10/17
5:50 pm-10:00 pm
1 stop6h 10m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$138
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Mon 12/14
5:40 pm-10:45 pm
1 stop6h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Wed 11/25
6:00 am-12:20 pm
1 stop8h 20m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$146
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Sat 10/17
8:15 am-12:19 pm
1 stop6h 04m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$150
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Fri 10/30
6:00 am-1:47 pm
1 stop8h 47m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$155
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Wed 10/21
6:35 am-1:15 pm
2 stops8h 40m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$155
AustinSpokane
AUS Austin Bergstrom - GEG Spokane
AUSGEG
Austin Bergstrom
Sat 10/17
12:54 pm-9:25 pm
2 stops10h 31m
Spokane
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Fri 10/30
7:23 am-2:47 pm
1 stop8h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Thu 11/19
6:05 am-1:05 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
Showing 1-10 of 56 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-GEG
AUS-BOI
AUS-IDA
AUS-SUN
AUS-JAC
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-GEG
AUS-BOI
AUS-IDA
AUS-SUN
What is the cheapest month to book a flight from Austin to Idaho?
Currently, February is the cheapest month in which you can book a flight from Austin to Idaho (average of $301). 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 $328 and $656 in November.The cheapest round-trip price found within the last 5 days was $240 on United Airlines (Nov 17-Nov 18).
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 September 21, 2026.
Read through reviews of airlines operating flights from Austin to Idaho, such as Southwest,Alaska Airlines, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
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 September 21, 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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$463 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$378 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$431 | FlexibilityNo cancel fee | On-time63% |