$80+ Cheap flights from Boise to Austin (BOI - AUS)
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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Austin with Cheapflights
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Cheapest flights from Boise to AustinExplore the most affordable flight options available from Boise to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Boise to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Tue 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Thu 6/256:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 4/30![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Tue 7/211:25 pm
BOI
- AUS
1 stop9h 42m
Frontier
Sat 8/18:15 pm
AUS
- BOI
1 stop17h 14m
Frontier
Deal found 4/30![Frontier logo]()
$235
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/61:25 pm
BOI
- AUS
1 stop9h 42m
Frontier
Sun 8/96:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 4/30![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Sun 8/91:25 pm
BOI
- AUS
1 stop9h 42m
Frontier
Mon 8/108:15 pm
AUS
- BOI
1 stop17h 14m
Frontier
Deal found 4/30![Frontier logo]()
$255
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Mon 6/14:19 pm
BOI
- AUS
1 stop7h 05m
Multiple Airlines
Thu 6/116:30 am
AUS
- BOI
1 stop7h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$326
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/314:23 pm
BOI
- AUS
1 stop6h 26m
Multiple Airlines
Sun 8/26:30 am
AUS
- BOI
1 stop6h 59m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/41:33 pm
BOI
- AUS
1 stop19h 10m
Frontier
Sun 6/710:52 pm
AUS
- BOI
2 stops38h 38m
Frontier
Deal found 5/1![Frontier logo]()
$337
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- AUS
1 stop5h 53m
Multiple Airlines
Thu 5/286:00 am
AUS
- BOI
1 stop8h 58m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:40 pm
BOI
- AUS
1 stop5h 19m
American Airlines
Sat 6/66:00 am
AUS
- BOI
1 stop6h 18m
American Airlines
Deal found 5/1![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:39 pm
BOI
- AUS
1 stop8h 54m
Delta
Wed 6/37:25 am
AUS
- BOI
1 stop8h 09m
Delta
Deal found 5/2![Delta logo]()
$365
This CheapOair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:23 pm
BOI
- AUS
1 stop7h 09m
Frontier
Mon 10/199:27 pm
AUS
- BOI
1 stop15h 01m
Frontier
Deal found 4/30![Frontier logo]()
$366
Best flights from Boise to AustinDiscover carefully curated flight deals from Boise to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Boise to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/292:23 pm
BOI
- AUS
1 stop7h 12m
Delta
Mon 6/16:08 pm
AUS
- BOI
1 stop6h 45m
Delta
Deal found 4/28![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/252:16 pm
BOI
- AUS
1 stop7h 58m
Alaska Airlines
Wed 8/266:00 am
AUS
- BOI
1 stop9h 02m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/215:30 am
BOI
- AUS
2 stops9h 55m
Southwest
Sat 8/13:30 pm
AUS
- BOI
2 stops9h 25m
Southwest
Deal found 4/30![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/15:46 pm
BOI
- AUS
1 stop4h 58m
United Airlines
Sat 6/62:30 pm
AUS
- BOI
2 stops8h 35m
United Airlines
Deal found 5/1![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/56:00 am
BOI
- AUS
1 stop5h 04m
Delta
Mon 6/86:04 pm
AUS
- BOI
1 stop6h 43m
Delta
Deal found 4/29![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am
BOI
- AUS
1 stop4h 49m
Delta
Mon 10/194:30 pm
AUS
- BOI
1 stop7h 38m
Delta
Deal found 4/28![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/54:19 pm
BOI
- AUS
1 stop7h 05m
Alaska Airlines
Mon 6/86:00 am
AUS
- BOI
2 stops10h 34m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
BOI
- AUS
2 stops8h 05m
Southwest
Sat 8/153:40 pm
AUS
- BOI
2 stops7h 20m
Southwest
Deal found 5/2![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/293:14 pm
BOI
- AUS
1 stop7h 45m
Delta
Sun 5/316:00 am
AUS
- BOI
1 stop6h 35m
Delta
Deal found 5/1![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 8/255:44 pm
BOI
- AUS
1 stop4h 57m
United Airlines
Wed 8/2612:15 pm
AUS
- BOI
2 stops10h 10m
United Airlines
Deal found 5/2![United Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:19 pm
BOI
- AUS
1 stop7h 05m
Alaska Airlines
Mon 6/86:00 am
AUS
- BOI
2 stops17h 43m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/291:20 pm
BOI
- AUS
1 stop5h 50m
Southwest
Mon 6/15:40 pm
AUS
- BOI
2 stops8h 20m
Southwest
Deal found 4/28![Southwest logo]()
$452
Last-minute flights from Boise to AustinDiscover last-minute flight deals from Boise to Austin. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Austin. Data last updated May 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/211:25 pm
BOI
- AUS
1 stop19h 18m
Multiple Airlines
Sun 5/247:15 am
AUS
- BOI
1 stop6h 36m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$397
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/226:07 pm
BOI
- AUS
1 stop19h 40m
Alaska Airlines
Tue 5/267:59 pm
AUS
- BOI
1 stop18h 59m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$415
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- AUS
1 stop5h 53m
Multiple Airlines
Thu 5/286:00 am
AUS
- BOI
1 stop8h 58m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2611:39 pm
BOI
- AUS
1 stop8h 54m
Delta
Thu 5/286:14 pm
AUS
- BOI
1 stop6h 32m
Delta
Deal found 4/30![Delta logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Tue 5/261:25 pm
BOI
- AUS
1 stop19h 18m
Multiple Airlines
Thu 6/410:52 pm
AUS
- BOI
2 stops39h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:40 pm
BOI
- AUS
1 stop5h 19m
American Airlines
Sat 6/66:00 am
AUS
- BOI
1 stop6h 18m
American Airlines
Deal found 5/1![American Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/278:26 am
BOI
- AUS
1 stop9h 53m
Alaska Airlines
Wed 6/36:00 am
AUS
- BOI
2 stops10h 34m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/292:23 pm
BOI
- AUS
1 stop7h 12m
Delta
Mon 6/16:08 pm
AUS
- BOI
1 stop6h 45m
Delta
Deal found 4/28![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/295:46 pm
BOI
- AUS
1 stop4h 58m
United Airlines
Sun 5/315:39 am
AUS
- BOI
1 stop5h 06m
United Airlines
Deal found 4/30![United Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 5/302:10 pm
BOI
- AUS
2 stops50h 03m
Multiple Airlines
Sat 6/69:13 pm
AUS
- BOI
1 stop16h 25m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$378
One-way flights from Boise to AustinSearch for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Frontier deal was found by Cheapflights users on 5/2. 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.
Tue 5/261:25 pm
BOI
- AUS
1 stop5h 53m
Frontier
Deal found 5/2![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/91:25 pm
BOI
- AUS
1 stop9h 42m
Frontier
Deal found 4/29![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/261:25 pm
BOI
- AUS
1 stop9h 42m
Frontier
Deal found 4/30![Frontier logo]()
$151
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/1911:39 pm
BOI
- AUS
1 stop8h 54m
Delta
Deal found 4/28![Delta logo]()
$179
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/206:23 am
BOI
- AUS
2 stops8h 24m
United Airlines
Deal found 4/28![United Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 7/611:45 pm
BOI
- AUS
1 stop10h 18m
Delta
Deal found 4/30![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/272:50 pm
BOI
- AUS
1 stop6h 35m
Delta
Deal found 4/29![Delta logo]()
$197
This Priceline deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/141:22 pm
BOI
- AUS
1 stop5h 56m
Frontier
Deal found 4/30![Frontier logo]()
$211
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/2111:45 pm
BOI
- AUS
1 stop8h 45m
Delta
Deal found 5/1![Delta logo]()
$220
Find flight deals from Boise to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | March |
Cheapest in | January |
Average price | $385 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Boise to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Fri 5/29
2:23 pm-10:35 pm
1 stop7h 12m
Austin Bergstrom
Mon 6/1
6:08 pm-11:53 pm
1 stop6h 45m
$373
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Tue 8/25
2:16 pm-11:14 pm
1 stop7h 58m
Austin Bergstrom
Wed 8/26
6:00 am-2:02 pm
1 stop9h 02m
$373
Quickest round-trip
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Fri 6/5
6:00 am-12:04 pm
1 stop5h 04m
Austin Bergstrom
Mon 6/8
6:04 pm-11:47 pm
1 stop6h 43m
$373
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 10/5
6:00 am-11:49 am
1 stop4h 49m
Austin Bergstrom
Mon 10/19
4:30 pm-11:08 pm
1 stop7h 38m
$373
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Fri 5/29
3:14 pm-11:59 pm
1 stop7h 45m
Austin Bergstrom
Sun 5/31
6:00 am-11:35 am
1 stop6h 35m
$373
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Tue 7/21
5:30 am-4:25 pm
2 stops9h 55m
Austin Bergstrom
Sat 8/1
3:30 pm-11:55 pm
2 stops9h 25m
$403
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Fri 6/5
4:19 pm-12:24 am
1 stop7h 05m
Austin Bergstrom
Mon 6/8
6:00 am-3:34 pm
2 stops10h 34m
$415
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Tue 8/11
6:00 am-3:05 pm
2 stops8h 05m
Austin Bergstrom
Sat 8/15
3:40 pm-10:00 pm
2 stops7h 20m
$417
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 6/1
5:46 pm-11:44 pm
1 stop4h 58m
Austin Bergstrom
Sat 6/6
2:30 pm-10:05 pm
2 stops8h 35m
$433
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 6/1
4:19 pm-12:24 am
1 stop7h 05m
Austin Bergstrom
Mon 6/8
6:00 am-10:43 pm
2 stops17h 43m
$443
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boise to Austin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Austin in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Austin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Boise with our price prediction graph.
BOI-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 Boise to Austin
How far ahead should I book a flight from Boise to Austin?
The best time to book flights from Boise to Austin is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boise to Austin?
Currently, January is the cheapest month in which you can book a flight from Boise to Austin (average of $284). Flying from Boise to Austin in March is currently the most expensive (average of $468). 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 Boise to Austin?
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated May 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Boise to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Boise 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
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
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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 May 3, 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 Boise to Austin by cabin class
Find flights from Boise to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Austin flights
Browse other Boise and Austin flight options. Last updated on May 3, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Boise to Austin
Discover the top 6 airlines that operate flights from Boise 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 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$351 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$400 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$468 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$271 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$372 | FlexibilityNo cancel fee | On-time71% |