$149+ Cheap flights from Idaho to Austin (AUS)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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 Idaho to AustinExplore the most affordable flight options available from Idaho to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Idaho to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:29 pm -
1 stop5h 22m
Mon 10/195:00 am -
1 stop7h 24m
Deal found 9/8![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:00 am -
1 stop6h 33m
Mon 12/142:29 pm -
1 stop5h 58m
Deal found 9/8![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:55 pm -
1 stop7h 15m
Sat 10/245:50 am -
2 stops8h 05m
Deal found 9/9![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:05 am -
1 stop6h 45m
Tue 12/156:15 am -
2 stops9h 15m
Deal found 9/7![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:45 am -
2 stops7h 50m
Wed 11/115:05 pm -
2 stops7h 05m
Deal found 9/8![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:45 am -
1 stop8h 33m
Tue 10/66:06 pm -
1 stop7h 38m
Deal found 9/8![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/212:45 pm -
1 stop7h 17m
Tue 10/64:29 pm -
1 stop6h 14m
Deal found 9/5![American Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:35 am -
1 stop12h 15m
Tue 10/206:15 am -
1 stop6h 00m
Deal found 9/8![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:45 pm -
1 stop5h 15m
Tue 10/64:25 pm -
2 stops8h 00m
Deal found 9/5![Southwest logo]()
$317
This KAYAK deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:00 pm -
1 stop6h 57m
Wed 10/144:25 pm -
1 stop7h 39m
Deal found 9/9![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:15 pm -
1 stop8h 59m
Sat 10/38:35 am -
1 stop7h 48m
Deal found 9/9![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 pm -
2 stops14h 40m
Tue 10/276:00 am -
2 stops8h 00m
Deal found 9/8![Southwest logo]()
$327
Best flights from Idaho to AustinDiscover carefully curated flight deals from Idaho to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Idaho to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/101:35 pm -
1 stop5h 35m
Sat 11/145:55 am -
1 stop8h 55m
Deal found 9/5![Southwest logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:05 pm -
1 stop6h 54m
Tue 10/133:13 pm -
1 stop6h 41m
Deal found 9/9![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/127:00 am -
1 stop8h 15m
Mon 11/164:00 pm -
2 stops9h 55m
Deal found 9/5![Delta logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:32 pm -
1 stop9h 27m
Mon 10/197:07 pm -
1 stop15h 49m
Deal found 9/9![Alaska Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:45 pm -
1 stop21h 00m
Thu 12/2412:42 pm -
1 stop24h 18m
Deal found 9/7![Multiple Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:45 am -
2 stops8h 05m
Sat 11/73:45 pm -
1 stop7h 25m
Deal found 9/7![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:28 pm -
2 stops7h 26m
Wed 10/149:02 am -
1 stop5h 22m
Deal found 9/5![United Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/271:32 pm -
1 stop9h 27m
Thu 10/298:30 am -
1 stop7h 53m
Deal found 9/5![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:08 pm -
1 stop10h 51m
Sun 11/86:00 am -
1 stop10h 20m
Deal found 9/7![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:35 am -
1 stop5h 23m
Sat 11/75:15 am -
2 stops9h 13m
Deal found 9/8![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:55 pm -
2 stops8h 50m
Fri 10/166:00 am -
1 stop6h 20m
Deal found 9/9![Southwest logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/512:41 pm -
2 stops9h 15m
Mon 11/98:39 pm -
1 stop17h 56m
Deal found 9/5![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:05 pm -
2 stops9h 52m
Tue 10/131:40 pm -
2 stops9h 30m
Deal found 9/9![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:35 am -
1 stop12h 15m
Tue 10/134:25 pm -
2 stops8h 00m
Deal found 9/9![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:05 pm -
1 stop6h 54m
Wed 10/79:39 am -
2 stops8h 37m
Deal found 9/8![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:45 am -
2 stops9h 25m
Sun 11/88:15 am -
2 stops11h 18m
Deal found 9/7![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:43 am -
1 stop15h 31m
Sat 11/77:15 am -
2 stops16h 05m
Deal found 9/7![Alaska Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:45 pm -
1 stop21h 00m
Sun 12/278:15 pm -
2 stops16h 45m
Deal found 9/7![Multiple Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:03 pm -
1 stop7h 06m
Wed 12/97:15 am -
1 stop9h 14m
Deal found 9/9![Alaska Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/295:10 am -
2 stops10h 00m
Sun 11/16:00 am -
1 stop6h 38m
Deal found 9/6![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:53 pm -
1 stop5h 01m
Sun 9/275:30 am -
1 stop5h 23m
Deal found 9/8![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:45 pm -
2 stops8h 25m
Tue 10/64:25 pm -
2 stops8h 00m
Deal found 9/8![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:00 am -
1 stop4h 54m
Tue 2/98:49 am -
1 stop7h 26m
Deal found 9/8![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:30 pm -
1 stop6h 05m
Fri 9/257:00 am -
2 stops8h 15m
Deal found 9/6![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:40 pm -
2 stops7h 33m
Wed 12/97:30 am -
1 stop7h 07m
Deal found 9/9![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/225:15 pm -
1 stop6h 10m
Mon 10/265:45 pm -
2 stops8h 20m
Deal found 9/5![Southwest logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:45 pm -
1 stop21h 00m
Wed 12/309:07 pm -
2 stops39h 53m
Deal found 9/7![Multiple Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/201:40 pm -
1 stop6h 08m
Fri 10/239:02 am -
1 stop7h 22m
Deal found 9/6![United Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:44 am -
1 stop4h 27m
Sun 9/2712:22 pm -
1 stop7h 02m
Deal found 9/8![Delta logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:45 pm -
1 stop25h 00m
Wed 12/309:07 pm -
2 stops39h 53m
Deal found 9/7![Multiple Airlines logo]()
$728
Last-minute flights from Idaho to AustinDiscover last-minute flight deals from Idaho to Austin. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Austin. Data last updated September 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:15 pm -
1 stop8h 59m
Sat 10/38:35 am -
1 stop7h 48m
Deal found 9/9![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:31 am -
1 stop7h 33m
Wed 10/148:35 am -
1 stop8h 05m
Deal found 9/7![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:45 am -
1 stop8h 33m
Tue 10/66:06 pm -
1 stop7h 38m
Deal found 9/8![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/212:45 pm -
1 stop7h 17m
Tue 10/64:29 pm -
1 stop6h 14m
Deal found 9/5![American Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:45 pm -
1 stop5h 15m
Tue 10/64:25 pm -
2 stops8h 00m
Deal found 9/5![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:29 pm -
1 stop5h 22m
Mon 10/195:00 am -
1 stop7h 24m
Deal found 9/8![American Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/82:50 pm -
1 stop28h 37m
Wed 10/141:12 pm -
1 stop25h 43m
Deal found 9/5![Frontier logo]()
$329
This KAYAK deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:00 pm -
1 stop6h 57m
Wed 10/144:25 pm -
1 stop7h 39m
Deal found 9/9![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:35 am -
1 stop12h 15m
Tue 10/206:15 am -
1 stop6h 00m
Deal found 9/8![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:55 pm -
1 stop7h 15m
Sat 10/245:50 am -
2 stops8h 05m
Deal found 9/9![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 pm -
2 stops14h 40m
Tue 10/276:00 am -
2 stops8h 00m
Deal found 9/8![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/286:05 am -
1 stop6h 35m
Tue 11/36:40 am -
2 stops8h 50m
Deal found 9/6![Southwest logo]()
$304
One-way flights from Idaho to AustinSearch for one-way flight options from Idaho to Austin. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Idaho to Austin. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Priceline deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Thu 10/12:50 pm -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:06 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$150
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:20 am -
2 stops7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$155
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am -
2 stops8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$155
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:50 pm -
1 stop22h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
2 stops8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:33 pm -
1 stop13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:59 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$171
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 12/51:35 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:16 pm -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$178
Find flight deals from Idaho to Austin
Keep the following information in mind while searching for Idaho to Austin flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $149 (Priceline) |
Popular in | July |
Cheapest in | January |
Average price | $462 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Austin 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 10, 2026.
Use the filters below to find and compare flights from Idaho to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Thu 10/1
2:50 pm-10:09 pm
1 stop6h 19m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Wed 10/7
2:06 pm-11:14 pm
1 stop8h 08m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Thu 11/12
7:00 am-5:15 pm
1 stop8h 15m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$150
SpokaneAustin
GEG Spokane - AUS Austin Bergstrom
GEGAUS
Spokane
Fri 11/13
6:25 am-4:50 pm
1 stop8h 25m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$162
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Mon 10/12
9:33 pm-12:17 pm
1 stop13h 44m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$167
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 12/5
1:35 pm-9:59 pm
1 stop7h 24m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$177
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Sat 9/26
2:16 pm-11:14 pm
1 stop7h 58m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Wed 9/30
4:27 pm-11:59 pm
1 stop6h 32m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 11/21
10:35 am-6:55 pm
1 stop7h 20m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
BoiseAustin
BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom
BOIAUS
Boise Air Term. Gowen Fld
Fri 10/23
1:55 pm-11:45 pm
2 stops8h 50m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Idaho with our price prediction graph.
BOI-AUS
GEG-AUS
IDA-AUS
JAC-AUS
TWF-AUS
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 Idaho to Austin
USID-AUS
BOI-AUS
GEG-AUS
IDA-AUS
JAC-AUS
What is the cheapest month to book a flight from Idaho to Austin?
Currently, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $288). Flying from Idaho to Austin in July is currently the most expensive (average of $620). 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 Idaho to Austin?
Airfare is below average for this route at the moment.
Idaho to Austin flights typically cost between $314 and $708 in October.The cheapest round-trip price found within the last 5 days was $299 on American Airlines (Oct 5-Oct 19).
How far ahead should I book a flight from Idaho to Austin?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Austin flight routes
Complete your trip
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Alternative routes for Idaho to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Austin by cabin class
Find flights from Idaho to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Austin flights
Browse other Idaho and Austin flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Austin flights
Consider these flights traveling from Idaho to Austin.
Top 6 airlines flying from Idaho to Austin
Discover the top 6 airlines that operate flights from Idaho to Austin. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$468 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$271 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$408 | FlexibilityNo cancel fee | On-time71% |