$120+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 October 19, 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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/89:00 am -
1 stop5h 39m
Thu 12/102:48 pm -
1 stop5h 29m
Deal found 10/14![United Airlines logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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.
Tue 12/228:27 pm -
1 stop21h 21m
Wed 12/305:33 pm -
1 stop25h 09m
Deal found 10/17![Frontier logo]()
$297
This Southwest deal was found by Cheapflights users on 10/14. 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 12/83:35 pm -
2 stops8h 35m
Thu 12/101:40 pm -
2 stops9h 10m
Deal found 10/14![Southwest logo]()
$298
This Orbitz deal was found by Cheapflights users on 10/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:34 pm -
1 stop7h 46m
Sat 11/219:47 pm -
1 stop15h 23m
Deal found 10/19![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 10/19. 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.
Tue 11/35:05 pm -
1 stop5h 30m
Tue 11/105:45 am -
1 stop8h 05m
Deal found 10/19![Southwest logo]()
$302
This CheapOair deal was found by Cheapflights users on 10/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:42 pm -
1 stop6h 19m
Sat 12/196:56 pm -
1 stop15h 49m
Deal found 10/15![Frontier logo]()
$347
This Southwest deal was found by Cheapflights users on 10/19. 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.
Wed 11/182:30 pm -
2 stops9h 20m
Sat 11/215:45 pm -
1 stop6h 15m
Deal found 10/19![Southwest logo]()
$354
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:59 pm -
1 stop21h 01m
Sun 11/297:55 pm -
1 stop25h 09m
Deal found 10/15![Frontier logo]()
$360
This Southwest deal was found by Cheapflights users on 10/16. 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 10/311:15 pm -
1 stop5h 55m
Wed 11/45:45 am -
1 stop8h 05m
Deal found 10/16![Southwest logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Thu 12/37:44 pm -
1 stop18h 07m
Mon 12/71:41 pm -
2 stops29h 26m
Deal found 10/18![Multiple Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:22 pm -
1 stop6h 21m
Sat 11/146:36 am -
1 stop5h 42m
Deal found 10/16![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/145:15 am -
2 stops9h 13m
Mon 11/162:35 pm -
2 stops7h 40m
Deal found 10/18![United Airlines logo]()
$389
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 October 19, 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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/85:15 am -
2 stops9h 24m
Thu 12/106:15 am -
1 stop5h 53m
Deal found 10/14![United Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:29 pm -
1 stop16h 18m
Fri 1/226:48 pm -
1 stop16h 02m
Deal found 10/17![Multiple Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 10/14. 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 12/83:35 pm -
2 stops8h 35m
Thu 12/101:40 pm -
2 stops9h 10m
Deal found 10/14![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/71:21 pm -
2 stops30h 37m
Fri 1/226:48 pm -
1 stop16h 02m
Deal found 10/17![Allegiant Air logo]()
$354
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:22 pm -
1 stop6h 21m
Sat 11/146:36 am -
1 stop5h 42m
Deal found 10/16![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/18. 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.
Sat 11/148:00 am -
1 stop5h 15m
Mon 11/161:11 pm -
2 stops10h 11m
Deal found 10/18![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 1/97:15 am -
1 stop9h 06m
Wed 1/131:56 pm -
1 stop9h 02m
Deal found 10/17![Alaska Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 10/19. 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.
Tue 11/35:05 pm -
1 stop5h 30m
Tue 11/105:45 am -
1 stop8h 05m
Deal found 10/19![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3112:16 pm -
2 stops10h 16m
Wed 11/46:30 am -
1 stop5h 28m
Deal found 10/16![United Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:15 pm -
1 stop18h 45m
Mon 11/21:45 pm -
2 stops28h 41m
Deal found 10/14![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 10/18. 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.
Thu 12/31:06 pm -
2 stops10h 01m
Mon 12/75:35 am -
2 stops11h 02m
Deal found 10/18![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/148:36 am -
1 stop5h 52m
Mon 11/162:35 pm -
1 stop5h 23m
Deal found 10/18![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 10/17. 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 23m
Fri 11/276:06 am -
1 stop6h 29m
Deal found 10/17![American Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 2/196:00 pm -
1 stop6h 58m
Sun 2/216:00 am -
1 stop8h 15m
Deal found 10/16![Alaska Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 10/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:20 pm -
1 stop6h 23m
Sat 11/76:36 am -
2 stops11h 39m
Deal found 10/18![American Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:00 pm -
1 stop5h 25m
Fri 11/275:00 am -
1 stop5h 55m
Deal found 10/15![Southwest logo]()
$467
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:09 pm -
1 stop5h 10m
Wed 11/181:17 pm -
1 stop7h 24m
Deal found 10/14![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/312:16 pm -
2 stops9h 53m
Sat 11/72:35 pm -
2 stops7h 40m
Deal found 10/18![United Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/257:15 pm -
2 stops7h 20m
Mon 11/303:10 pm -
2 stops9h 10m
Deal found 10/14![Southwest logo]()
$549
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:15 am -
1 stop5h 10m
Mon 11/21:17 pm -
1 stop7h 25m
Deal found 10/14![Delta logo]()
$883
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Wed 10/288:36 am -
1 stop5h 52m
Sat 10/312:35 pm -
1 stop5h 23m
Deal found 10/14![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 10/16. 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 10/311:15 pm -
1 stop5h 55m
Wed 11/45:45 am -
1 stop8h 05m
Deal found 10/16![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/3112:16 pm -
2 stops10h 16m
Wed 11/46:30 am -
1 stop5h 28m
Deal found 10/16![United Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 10/19. 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.
Tue 11/35:05 pm -
1 stop5h 30m
Tue 11/105:45 am -
1 stop8h 05m
Deal found 10/19![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:22 pm -
1 stop6h 21m
Sat 11/146:36 am -
1 stop5h 42m
Deal found 10/16![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 10/19. 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.
Fri 11/68:00 pm -
1 stop5h 55m
Mon 11/93:55 pm -
1 stop7h 15m
Deal found 10/19![Southwest logo]()
$382
This flugladen.de deal was found by Cheapflights users on 10/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
1 stop6h 42m
Sat 11/212:00 pm -
1 stop8h 14m
Deal found 10/17![Alaska Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/145:15 am -
2 stops9h 13m
Mon 11/162:35 pm -
2 stops7h 40m
Deal found 10/18![United Airlines logo]()
$389
This Orbitz deal was found by Cheapflights users on 10/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:34 pm -
1 stop7h 46m
Sat 11/219:47 pm -
1 stop15h 23m
Deal found 10/19![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 10/19. 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.
Wed 11/182:30 pm -
2 stops9h 20m
Sat 11/215:45 pm -
1 stop6h 15m
Deal found 10/19![Southwest logo]()
$354
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:59 pm -
1 stop21h 01m
Sun 11/297:55 pm -
1 stop25h 09m
Deal found 10/15![Frontier logo]()
$360
This American Airlines deal was found by Cheapflights users on 10/16. 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 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 23m
Fri 11/276:06 am -
1 stop6h 29m
Deal found 10/16![American Airlines logo]()
$387
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 October 19, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Priceline deal was found by Cheapflights users on 10/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:15 am -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$120
This Southwest deal was found by Cheapflights users on 10/19. 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 12/316:05 am -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:27 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:28 pm -
1 stop23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 11/118:21 pm -
3 stops40h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:27 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Wed 12/166:29 pm -
2 stops26h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$174
This CheapOair deal was found by Cheapflights users on 10/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:59 pm -
1 stop21h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:42 pm -
1 stop27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 1/3012:10 pm -
2 stops10h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 10/16. 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.
Thu 12/245:05 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Southwest logo]()
$195
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/167:07 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$203
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (United Airlines) |
One-way from | $120 (Priceline) |
Popular in | June |
Cheapest in | February |
Average price | $422 |
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 October 19, 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
Thu 12/31
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
$143
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Thu 12/31
8:27 pm-4:48 pm
1 stop21h 21m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Thu 12/24
5:05 pm-11:10 pm
2 stops7h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Fri 1/1
6:40 am-12:05 pm
1 stop6h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Thu 12/17
7:15 am-1:11 pm
1 stop6h 56m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$213
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Wed 12/16
5:15 am-1:37 pm
2 stops9h 22m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$220
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Thu 12/17
8:15 pm-3:32 pm
3 stops20h 17m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$229
AustinBoise
AUS Austin Bergstrom - BOI Boise Air Term. Gowen Fld
AUSBOI
Austin Bergstrom
Fri 11/20
5:15 am-11:50 am
2 stops7h 35m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Wed 12/16
12:33 pm-6:17 pm
1 stop6h 44m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$240
AustinIdaho Falls
AUS Austin Bergstrom - IDA Idaho Falls Fanning Field
AUSIDA
Austin Bergstrom
Mon 12/21
2:45 pm-9:19 pm
1 stop7h 34m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$242
Showing 1-10 of 42 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-TWF
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-TWF
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 $336 and $547 in December.The cheapest round-trip price found within the last 5 days was $277 on United Airlines (Dec 8-Dec 10).
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 October 19, 2026.
Read through reviews of airlines operating flights from Austin to Idaho, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
Food
7.0
Entertainment
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreStephen,Jun 2024
AUS - SAN
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
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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 October 19, 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$379 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$487 | FlexibilityNo cancel fee | On-time63% |