$117+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Apr 24 — May 11
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 March 25, 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 March 25, 2026.
This Frontier deal was found by Cheapflights users on 3/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Thu 4/912:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Deal found 3/21![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:04 pm
AUS
- BOI
1 stop15h 38m
Multiple Airlines
Thu 5/141:22 pm
BOI
- AUS
1 stop5h 56m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Sun 4/512:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Deal found 3/20![Frontier logo]()
$225
This Travelocity deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:34 pm
AUS
- GEG
1 stop7h 46m
Multiple Airlines
Sun 4/2611:44 am
GEG
- AUS
1 stop7h 12m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$229
This Expedia deal was found by Cheapflights users on 3/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:34 pm
AUS
- GEG
1 stop7h 46m
Multiple Airlines
Wed 5/612:33 pm
GEG
- AUS
1 stop5h 45m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$239
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Tue 5/191:22 pm
BOI
- AUS
1 stop5h 56m
Frontier
Deal found 3/20![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:32 pm
AUS
- GEG
1 stop9h 27m
Multiple Airlines
Thu 4/2311:44 am
GEG
- AUS
1 stop6h 52m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$248
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Wed 5/139:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Sun 5/171:22 pm
BOI
- AUS
1 stop5h 56m
Frontier
Deal found 3/19![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 pm
AUS
- BOI
1 stop6h 25m
Southwest
Tue 4/286:40 am
BOI
- AUS
1 stop5h 30m
Southwest
Deal found 3/24![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
AUS
- BOI
2 stops9h 48m
United Airlines
Tue 4/286:15 am
BOI
- AUS
1 stop5h 53m
United Airlines
Deal found 3/24![United Airlines logo]()
$268
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:45 am
AUS
- BOI
1 stop5h 23m
Multiple Airlines
Sat 4/114:23 pm
BOI
- AUS
1 stop6h 28m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
AUS
- GEG
1 stop6h 45m
Delta
Wed 4/223:30 pm
GEG
- AUS
1 stop6h 18m
Delta
Deal found 3/24![Delta logo]()
$279
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 March 25, 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 March 25, 2026.
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
AUS
- GEG
1 stop6h 45m
Delta
Wed 4/223:30 pm
GEG
- AUS
1 stop6h 18m
Delta
Deal found 3/24![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:45 pm
AUS
- GEG
1 stop6h 31m
United Airlines
Tue 5/195:00 am
GEG
- AUS
2 stops12h 27m
United Airlines
Deal found 3/24![United Airlines logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:49 pm
AUS
- BOI
1 stop7h 10m
Alaska Airlines
Sat 5/22:57 pm
BOI
- AUS
1 stop8h 27m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 3/21. 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 5/157:20 pm
AUS
- BOI
1 stop6h 40m
Southwest
Sun 5/173:25 pm
BOI
- AUS
2 stops7h 05m
Southwest
Deal found 3/21![Southwest logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 4/284:34 pm
AUS
- GEG
1 stop7h 46m
Alaska Airlines
Sat 5/22:45 pm
GEG
- AUS
1 stop7h 39m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:25 pm
AUS
- GEG
1 stop7h 15m
Delta
Tue 4/216:15 am
GEG
- AUS
1 stop8h 35m
Delta
Deal found 3/22![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
AUS
- SUN
1 stop7h 38m
United Airlines
Tue 5/52:30 pm
SUN
- AUS
1 stop5h 35m
United Airlines
Deal found 3/23![United Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 9/187:30 pm
AUS
- SUN
1 stop15h 08m
Alaska Airlines
Sat 9/2610:20 am
SUN
- AUS
1 stop7h 12m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:25 am
AUS
- SUN
2 stops8h 09m
Delta
Sun 5/1012:39 pm
SUN
- AUS
1 stop7h 54m
Delta
Deal found 3/22![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 3/21. 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 6/132:45 pm
AUS
- SUN
1 stop7h 41m
United Airlines
Fri 6/192:38 pm
SUN
- AUS
1 stop8h 06m
United Airlines
Deal found 3/21![United Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:25 pm
AUS
- BOI
1 stop6h 05m
Southwest
Sun 5/173:25 pm
BOI
- AUS
2 stops7h 05m
Southwest
Deal found 3/21![Southwest logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:59 pm
AUS
- GEG
1 stop28h 21m
Alaska Airlines
Sun 5/37:27 am
GEG
- AUS
1 stop27h 20m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:15 am
AUS
- SUN
2 stops9h 39m
Delta
Wed 5/1312:39 pm
SUN
- AUS
2 stops9h 52m
Delta
Deal found 3/22![Delta logo]()
$342
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
AUS
- SUN
1 stop7h 38m
United Airlines
Mon 5/42:30 pm
SUN
- AUS
1 stop6h 55m
United Airlines
Deal found 3/23![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
AUS
- BOI
1 stop9h 43m
Delta
Sun 5/105:20 am
BOI
- AUS
1 stop7h 01m
Delta
Deal found 3/23![Delta logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 6/15:48 pm
AUS
- IDA
1 stop20h 29m
Alaska Airlines
Sat 6/64:03 pm
IDA
- AUS
1 stop6h 36m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:00 am
AUS
- JAC
1 stop7h 21m
United Airlines
Mon 4/132:35 pm
JAC
- AUS
2 stops7h 40m
United Airlines
Deal found 3/22![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:15 am
AUS
- GEG
1 stop8h 49m
Delta
Sun 4/196:15 am
GEG
- AUS
1 stop8h 35m
Delta
Deal found 3/22![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:20 am
AUS
- SUN
1 stop6h 34m
Delta
Sat 4/113:30 pm
SUN
- AUS
1 stop4h 56m
Delta
Deal found 3/20![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:48 pm
AUS
- IDA
1 stop20h 29m
Alaska Airlines
Wed 6/34:03 pm
IDA
- AUS
1 stop6h 36m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:39 am
AUS
- IDA
1 stop5h 11m
United Airlines
Thu 6/184:10 pm
IDA
- AUS
1 stop6h 34m
United Airlines
Deal found 3/22![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:05 am
AUS
- SUN
1 stop4h 49m
Delta
Sat 4/1112:40 pm
SUN
- AUS
1 stop7h 46m
Delta
Deal found 3/20![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:59 pm
AUS
- BOI
1 stop28h 03m
Alaska Airlines
Sun 5/106:00 am
BOI
- AUS
2 stops9h 49m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 4/158:00 am
AUS
- BOI
2 stops9h 48m
United Airlines
Sat 4/182:37 pm
BOI
- AUS
1 stop5h 37m
United Airlines
Deal found 3/19![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:05 am
AUS
- SUN
1 stop7h 44m
Delta
Sun 4/123:30 pm
SUN
- AUS
1 stop8h 09m
Delta
Deal found 3/20![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:27 am
AUS
- JAC
1 stop4h 58m
United Airlines
Sun 5/317:00 am
JAC
- AUS
1 stop5h 12m
United Airlines
Deal found 3/20![United Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 am
AUS
- GEG
1 stop19h 10m
Alaska Airlines
Mon 6/297:41 pm
GEG
- AUS
1 stop19h 00m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
AUS
- BOI
1 stop6h 35m
Delta
Mon 5/185:45 am
BOI
- AUS
1 stop6h 45m
Delta
Deal found 3/23![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:50 am
AUS
- IDA
1 stop5h 49m
United Airlines
Sun 4/192:30 pm
IDA
- AUS
1 stop5h 45m
United Airlines
Deal found 3/22![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 3/21. 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 5/156:06 pm
AUS
- BOI
1 stop6h 49m
Delta
Sun 5/175:45 am
BOI
- AUS
1 stop6h 45m
Delta
Deal found 3/21![Delta logo]()
$373
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated March 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:45 am
AUS
- GEG
1 stop6h 02m
Frontier
Sun 3/2911:33 am
GEG
- AUS
1 stop10h 43m
Frontier
Deal found 3/23![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Sun 4/512:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Deal found 3/20![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 3/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:45 am
AUS
- BOI
1 stop5h 23m
Frontier
Thu 4/912:03 pm
BOI
- AUS
1 stop11h 18m
Frontier
Deal found 3/21![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:45 am
AUS
- BOI
1 stop5h 23m
Multiple Airlines
Sat 4/114:23 pm
BOI
- AUS
1 stop6h 28m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$269
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:51 pm
AUS
- BOI
1 stop10h 56m
Multiple Airlines
Sun 4/1911:53 am
BOI
- AUS
1 stop21h 12m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$288
This Expedia deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:32 pm
AUS
- GEG
1 stop9h 27m
Multiple Airlines
Thu 4/2311:44 am
GEG
- AUS
1 stop6h 52m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 pm
AUS
- BOI
1 stop6h 25m
Southwest
Tue 4/286:40 am
BOI
- AUS
1 stop5h 30m
Southwest
Deal found 3/24![Southwest logo]()
$263
This Travelocity deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:34 pm
AUS
- GEG
1 stop7h 46m
Multiple Airlines
Sun 4/2611:44 am
GEG
- AUS
1 stop7h 12m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
AUS
- GEG
1 stop6h 45m
Delta
Wed 4/223:30 pm
GEG
- AUS
1 stop6h 18m
Delta
Deal found 3/24![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
AUS
- BOI
1 stop5h 35m
Southwest
Mon 4/275:40 pm
BOI
- AUS
1 stop5h 05m
Southwest
Deal found 3/23![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:55 pm
AUS
- BOI
1 stop7h 22m
Delta
Mon 4/273:23 pm
BOI
- AUS
1 stop6h 16m
Delta
Deal found 3/23![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
AUS
- BOI
1 stop7h 35m
Alaska Airlines
Sat 5/27:43 am
BOI
- AUS
1 stop10h 36m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$280
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 March 25, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:13 pm
AUS
- BOI
1 stop16h 17m
Frontier
Deal found 3/23![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:15 pm
AUS
- BOI
1 stop16h 54m
Frontier
Deal found 3/25![Frontier logo]()
$137
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
AUS
- GEG
1 stop7h 40m
United Airlines
Deal found 3/24![United Airlines logo]()
$140
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:30 am
AUS
- GEG
2 stops9h 10m
United Airlines
Deal found 3/24![United Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:42 pm
AUS
- IDA
1 stop17h 45m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$151
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:00 am
AUS
- JAC
1 stop6h 41m
American Airlines
Deal found 3/20![American Airlines logo]()
$156
This CheapOair deal was found by Cheapflights users on 3/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:13 pm
AUS
- BOI
1 stop16h 14m
Frontier
Deal found 3/21![Frontier logo]()
$157
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:25 pm
AUS
- GEG
1 stop7h 15m
Delta
Deal found 3/23![Delta logo]()
$159
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:35 am
AUS
- JAC
2 stops9h 18m
United Airlines
Deal found 3/22![United Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:20 pm
AUS
- GEG
2 stops8h 05m
Southwest
Deal found 3/24![Southwest logo]()
$164
This Delta deal was found by Cheapflights users on 3/21. 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.
Sun 8/161:40 pm
AUS
- JAC
1 stop7h 43m
Delta
Deal found 3/21![Delta logo]()
$169
This Expedia deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:04 pm
AUS
- SUN
1 stop15h 34m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$171
Find flight deals from Austin to Idaho
Keep the following information in mind while searching for Austin to Idaho flight deals. Data was last updated March 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Frontier) |
One-way from | $117 (CheapOair) |
Popular in | March |
Cheapest in | February |
Average price | $568 |
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 March 25, 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
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Wed 4/22
6:00 am-10:45 am
1 stop6h 45m
Spokane
Wed 4/22
3:30 pm-11:48 pm
1 stop6h 18m
$279
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Wed 5/13
4:45 pm-9:16 pm
1 stop6h 31m
Spokane
Tue 5/19
5:00 am-7:27 pm
2 stops12h 27m
$284
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 4/29
5:49 pm-11:59 pm
1 stop7h 10m
Boise Air Term. Gowen Fld
Sat 5/2
2:57 pm-12:24 am
1 stop8h 27m
$317
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Tue 4/28
4:34 pm-10:20 pm
1 stop7h 46m
Spokane
Sat 5/2
2:45 pm-12:24 am
1 stop7h 39m
$317
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Wed 4/15
4:25 pm-9:40 pm
1 stop7h 15m
Spokane
Tue 4/21
6:15 am-4:50 pm
1 stop8h 35m
$317
AustinHailey
AUS - SUN
AUSSUN
Austin Bergstrom
Fri 9/18
7:30 pm-9:38 am
1 stop15h 08m
Hailey Sun Valley-Friedman
Sat 9/26
10:20 am-6:32 pm
1 stop7h 12m
$331
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Thu 4/30
7:59 pm-10:20 pm
1 stop28h 21m
Spokane
Sun 5/3
7:27 am-12:47 pm
1 stop27h 20m
$334
AustinHailey
AUS - SUN
AUSSUN
Austin Bergstrom
Thu 5/7
7:25 am-2:34 pm
2 stops8h 09m
Hailey Sun Valley-Friedman
Sun 5/10
12:39 pm-9:33 pm
1 stop7h 54m
$336
AustinHailey
AUS - SUN
AUSSUN
Austin Bergstrom
Fri 5/1
7:00 am-1:38 pm
1 stop7h 38m
Hailey Sun Valley-Friedman
Tue 5/5
2:30 pm-9:05 pm
1 stop5h 35m
$341
AustinHailey
AUS - SUN
AUSSUN
Austin Bergstrom
Sat 6/13
2:45 pm-9:26 pm
1 stop7h 41m
Hailey Sun Valley-Friedman
Fri 6/19
2:38 pm-11:44 pm
1 stop8h 06m
$341
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, September is the cheapest month in which you can book a flight from Austin to Idaho (average of $108). Flying from Austin to Idaho in March is currently the most expensive (average of $276). 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.
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 March 25, 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.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 March 25, 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 5 airlines flying from Austin to Idaho
Discover the top 5 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 March 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$342 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$367 | FlexibilityNo cancel fee | On-time63% |