$95+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
Mar 8 — Mar 151
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Idaho
Cheapest
Best
Last-minute
One-way
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 February 6, 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 February 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Thu 3/1211:32 am
GEG
- AUS
1 stop8h 18m
Frontier
Deal found 2/3![Frontier logo]()
$195
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 5/134:07 pm
AUS
- BOI
1 stop7h 47m
Delta
Sat 5/165:36 am
BOI
- AUS
1 stop8h 14m
Delta
Deal found 2/4![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/96:00 am
AUS
- GEG
1 stop8h 28m
Delta
Wed 5/135:05 am
GEG
- AUS
1 stop6h 26m
Delta
Deal found 2/3![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Sun 3/811:32 am
GEG
- AUS
1 stop8h 31m
Frontier
Deal found 2/3![Frontier logo]()
$212
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/196:45 am
AUS
- BOI
1 stop6h 06m
Multiple Airlines
Tue 2/248:30 am
BOI
- AUS
1 stop8h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$214
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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
- BOI
1 stop5h 35m
Multiple Airlines
Tue 3/314:15 pm
BOI
- AUS
1 stop7h 19m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$218
This Frontier deal was found by Cheapflights users on 2/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Sun 2/228:12 pm
GEG
- AUS
1 stop12h 25m
Frontier
Deal found 2/5![Frontier logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/263:35 pm
AUS
- BOI
1 stop8h 05m
Alaska Airlines
Tue 3/36:00 pm
BOI
- AUS
1 stop19h 35m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/281:00 pm
AUS
- BOI
1 stop5h 45m
United Airlines
Sat 3/75:00 am
BOI
- AUS
2 stops9h 22m
United Airlines
Deal found 2/4![United Airlines logo]()
$242
This Travelocity deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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.
Thu 4/236:45 am
AUS
- GEG
1 stop5h 46m
Frontier
Sun 4/2611:32 am
GEG
- AUS
1 stop10h 49m
Frontier
Deal found 2/3![Frontier logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/93:39 pm
AUS
- GEG
1 stop7h 52m
Alaska Airlines
Wed 5/1312:36 pm
GEG
- AUS
2 stops8h 14m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$250
This Travelocity deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
Tue 5/125:49 pm
AUS
- IDA
1 stop20h 17m
Alaska Airlines
Tue 5/194:08 pm
IDA
- AUS
1 stop6h 31m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$253
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 February 6, 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 February 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Thu 3/1211:32 am
GEG
- AUS
1 stop8h 18m
Frontier
Deal found 2/3![Frontier logo]()
$195
This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/257:30 pm
AUS
- BOI
1 stop6h 00m
Southwest
Tue 3/314:30 pm
BOI
- AUS
1 stop5h 40m
Southwest
Deal found 2/3![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/96:00 am
AUS
- GEG
1 stop8h 28m
Delta
Wed 5/135:05 am
GEG
- AUS
1 stop6h 26m
Delta
Deal found 2/3![Delta logo]()
$197
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:35 pm
AUS
- BOI
1 stop8h 05m
Alaska Airlines
Tue 3/36:28 am
BOI
- AUS
1 stop7h 07m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/32:10 pm
AUS
- BOI
1 stop8h 53m
United Airlines
Wed 4/85:00 am
BOI
- AUS
1 stop5h 25m
United Airlines
Deal found 2/2![United Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Multiple Airlines
Sun 3/89:12 pm
GEG
- AUS
2 stops46h 38m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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.
Thu 2/262:14 pm
AUS
- SUN
1 stop8h 48m
American Airlines
Tue 3/31:27 pm
SUN
- AUS
1 stop9h 26m
American Airlines
Deal found 2/3![American Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Sun 3/811:32 am
GEG
- AUS
1 stop8h 31m
Frontier
Deal found 2/3![Frontier logo]()
$212
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/64:55 pm
AUS
- BOI
1 stop7h 50m
Delta
Tue 3/106:00 am
BOI
- AUS
1 stop6h 44m
Delta
Deal found 2/3![Delta logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/93:39 pm
AUS
- GEG
1 stop7h 52m
Alaska Airlines
Wed 5/1312:36 pm
GEG
- AUS
2 stops8h 14m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$250
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/196:45 am
AUS
- BOI
1 stop6h 06m
Multiple Airlines
Tue 2/247:00 am
BOI
- AUS
2 stops11h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$266
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/132:10 pm
AUS
- BOI
1 stop8h 53m
United Airlines
Fri 4/177:11 am
BOI
- AUS
1 stop7h 36m
United Airlines
Deal found 2/3![United Airlines logo]()
$273
This Travelocity deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
Tue 5/125:49 pm
AUS
- IDA
1 stop20h 17m
Alaska Airlines
Tue 5/194:08 pm
IDA
- AUS
1 stop6h 31m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 2/5. 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 3/266:30 am
AUS
- JAC
1 stop8h 00m
Delta
Sun 3/295:50 pm
JAC
- AUS
1 stop5h 49m
Delta
Deal found 2/5![Delta logo]()
$257
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 2/2211:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/3![Frontier logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/57:00 pm
AUS
- SUN
1 stop17h 10m
Alaska Airlines
Wed 3/1111:52 am
SUN
- AUS
1 stop11h 07m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$254
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:45 am
AUS
- GEG
1 stop6h 02m
Multiple Airlines
Mon 3/232:47 pm
GEG
- AUS
1 stop7h 47m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/276:51 pm
AUS
- GEG
1 stop6h 59m
Delta
Tue 3/313:25 pm
GEG
- AUS
1 stop6h 28m
Delta
Deal found 2/3![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/125:30 am
AUS
- IDA
1 stop5h 26m
United Airlines
Mon 3/165:30 pm
IDA
- AUS
1 stop5h 14m
United Airlines
Deal found 2/2![United Airlines logo]()
$289
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/126:45 am
AUS
- GEG
1 stop6h 02m
Multiple Airlines
Sun 3/157:05 am
GEG
- AUS
1 stop8h 55m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/297:25 am
AUS
- GEG
1 stop6h 21m
Alaska Airlines
Mon 5/47:27 am
GEG
- AUS
1 stop27h 20m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/255:30 am
AUS
- SUN
2 stops10h 02m
United Airlines
Sat 3/281:29 pm
SUN
- AUS
1 stop7h 11m
United Airlines
Deal found 2/5![United Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/21:24 pm
AUS
- BOI
1 stop10h 01m
Delta
Mon 4/61:40 pm
BOI
- AUS
1 stop9h 40m
Delta
Deal found 2/3![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/124:53 pm
AUS
- GEG
1 stop6h 23m
United Airlines
Sat 5/237:10 pm
GEG
- AUS
2 stops11h 29m
United Airlines
Deal found 2/3![United Airlines logo]()
$299
This Orbitz deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:25 am
AUS
- GEG
1 stop6h 21m
Alaska Airlines
Sat 5/2312:36 pm
GEG
- AUS
1 stop9h 03m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/268:05 am
AUS
- SUN
1 stop4h 49m
Delta
Mon 3/307:15 am
SUN
- AUS
1 stop5h 29m
Delta
Deal found 2/4![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 4/215:30 am
AUS
- SUN
2 stops9h 05m
United Airlines
Fri 4/242:24 pm
SUN
- AUS
2 stops7h 51m
United Airlines
Deal found 2/5![United Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/124:14 pm
AUS
- IDA
2 stops24h 00m
Multiple Airlines
Mon 3/1610:13 pm
IDA
- AUS
1 stop13h 32m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 2/247:20 am
AUS
- JAC
1 stop8h 35m
Delta
Wed 3/47:20 am
JAC
- AUS
1 stop5h 35m
Delta
Deal found 2/5![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sat 2/287:10 am
AUS
- JAC
1 stop7h 11m
United Airlines
Wed 3/41:38 pm
JAC
- AUS
2 stops8h 37m
United Airlines
Deal found 2/5![United Airlines logo]()
$304
Last-minute flights from Austin to IdahoDiscover last-minute flight deals from Austin to Idaho. Data last updated February 6, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Idaho. Data last updated February 6, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/196:45 am
AUS
- BOI
1 stop6h 06m
Multiple Airlines
Tue 2/248:30 am
BOI
- AUS
1 stop8h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$214
This Frontier deal was found by Cheapflights users on 2/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Sun 2/228:12 pm
GEG
- AUS
1 stop12h 25m
Frontier
Deal found 2/5![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Sun 2/2211:56 am
BOI
- AUS
1 stop11h 20m
Frontier
Deal found 2/3![Frontier logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/263:35 pm
AUS
- BOI
1 stop8h 05m
Alaska Airlines
Tue 3/36:00 pm
BOI
- AUS
1 stop19h 35m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/286:00 am
AUS
- BOI
1 stop7h 12m
American Airlines
Sat 3/712:42 pm
BOI
- AUS
1 stop6h 50m
American Airlines
Deal found 2/4![American Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/281:00 pm
AUS
- BOI
1 stop5h 45m
United Airlines
Sat 3/75:00 am
BOI
- AUS
2 stops9h 22m
United Airlines
Deal found 2/4![United Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Thu 3/1211:32 am
GEG
- AUS
1 stop8h 18m
Frontier
Deal found 2/3![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/56:45 am
AUS
- GEG
1 stop6h 42m
Frontier
Sun 3/811:32 am
GEG
- AUS
1 stop8h 31m
Frontier
Deal found 2/3![Frontier logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/57:00 pm
AUS
- SUN
1 stop17h 10m
Alaska Airlines
Wed 3/1111:52 am
SUN
- AUS
1 stop11h 07m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/256:00 am
AUS
- BOI
2 stops17h 52m
Alaska Airlines
Tue 3/319:55 am
BOI
- AUS
1 stop7h 09m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$255
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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
- BOI
1 stop5h 35m
Multiple Airlines
Tue 3/314:15 pm
BOI
- AUS
1 stop7h 19m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 2/5. 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 3/266:30 am
AUS
- JAC
1 stop8h 00m
Delta
Sun 3/295:50 pm
JAC
- AUS
1 stop5h 49m
Delta
Deal found 2/5![Delta logo]()
$257
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 February 6, 2026.
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
This Priceline deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/196:45 am
AUS
- BOI
1 stop6h 06m
Frontier
Deal found 2/4![Frontier logo]()
$95
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/175:22 am
AUS
- BOI
1 stop8h 16m
Delta
Deal found 2/3![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/116:15 am
AUS
- GEG
1 stop8h 55m
Delta
Deal found 2/3![Delta logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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.
Sat 3/2810:45 pm
AUS
- BOI
1 stop13h 35m
Frontier
Deal found 2/4![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:45 am
AUS
- BOI
1 stop5h 35m
Frontier
Deal found 2/4![Frontier logo]()
$119
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:00 am
AUS
- JAC
1 stop7h 55m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$119
This Priceline deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/126:45 am
AUS
- GEG
1 stop6h 02m
Frontier
Deal found 2/2![Frontier logo]()
$119
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:30 am
AUS
- GEG
1 stop28h 57m
Frontier
Deal found 2/3![Frontier logo]()
$125
This Expedia deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/16:45 am
AUS
- GEG
1 stop7h 29m
Frontier
Deal found 2/4![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/226:45 am
AUS
- BOI
1 stop5h 26m
Frontier
Deal found 2/2![Frontier logo]()
$131
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/16:00 am
AUS
- JAC
1 stop7h 24m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/276:03 am
AUS
- BOI
1 stop8h 02m
Delta
Deal found 2/4![Delta logo]()
$137
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 February 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Kiwi.com) |
One-way from | $95 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $332 |
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 February 6, 2026.
Use the filters below to find and compare flights from Austin to Idaho that are best for you.
Fly from
Austin
Fly to
Idaho
Route
Depart
Return
Price
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Thu 3/5
6:45 am-11:27 am
1 stop6h 42m
Spokane
Thu 3/12
11:32 am-9:50 pm
1 stop8h 18m
$195
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Wed 3/25
7:30 pm-12:30 am
1 stop6h 00m
Boise Air Term. Gowen Fld
Tue 3/31
4:30 pm-11:10 pm
1 stop5h 40m
$197
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Sat 5/9
6:00 am-12:28 pm
1 stop8h 28m
Spokane
Wed 5/13
5:05 am-1:31 pm
1 stop6h 26m
$197
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Thu 3/5
6:45 am-11:27 am
1 stop6h 42m
Spokane
Sun 3/8
11:32 am-10:03 pm
1 stop8h 31m
$212
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Thu 2/26
3:35 pm-10:40 pm
1 stop8h 05m
Boise Air Term. Gowen Fld
Tue 3/3
6:28 am-2:35 pm
1 stop7h 07m
$235
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 3/6
4:55 pm-11:45 pm
1 stop7h 50m
Boise Air Term. Gowen Fld
Tue 3/10
6:00 am-1:44 pm
1 stop6h 44m
$235
AustinSpokane
AUS - GEG
AUSGEG
Austin Bergstrom
Sat 5/9
3:39 pm-9:31 pm
1 stop7h 52m
Spokane
Wed 5/13
12:36 pm-10:50 pm
2 stops8h 14m
$250
AustinIdaho Falls
AUS - IDA
AUSIDA
Austin Bergstrom
Tue 5/12
5:49 pm-1:06 pm
1 stop20h 17m
Idaho Falls Fanning Field
Tue 5/19
4:08 pm-11:39 pm
1 stop6h 31m
$253
AustinHailey
AUS - SUN
AUSSUN
Austin Bergstrom
Thu 3/5
7:00 pm-11:10 am
1 stop17h 10m
Hailey Sun Valley-Friedman
Wed 3/11
11:52 am-11:59 pm
1 stop11h 07m
$254
AustinBoise
AUS - BOI
AUSBOI
Austin Bergstrom
Fri 4/3
2:10 pm-10:03 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Wed 4/8
5:00 am-11:25 am
1 stop5h 25m
$255
Showing 1-10 of 60 results
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-JAC
AUS-IDA
AUS-GEG
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-JAC
AUS-IDA
AUS-GEG
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 July is currently the most expensive (average of $263). 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 February 6, 2026.
Read through reviews of airlines operating flights from Austin to Idaho, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 February 6, 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 February 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$367 | FlexibilityNo cancel fee | On-time63% |