$98+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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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 June 6, 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 June 6, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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.
Tue 9/226:00 am
BOI
- AUS
1 stop4h 27m
Delta
Tue 9/296:05 pm
AUS
- BOI
1 stop6h 53m
Delta
Deal found 6/1![Delta logo]()
$261
This Expedia deal was found by Cheapflights users on 6/2. 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 6/301:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Tue 7/76:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/2![Frontier logo]()
$264
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/225:40 pm
BOI
- AUS
1 stop5h 22m
United Airlines
Tue 9/297:40 am
AUS
- BOI
2 stops8h 51m
United Airlines
Deal found 6/1![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 7/141:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Sat 7/188:12 pm
AUS
- BOI
1 stop17h 17m
Frontier
Deal found 6/3![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 6/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Tue 8/46:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/1![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/131:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Mon 8/172:25 pm
AUS
- BOI
1 stop22h 44m
Frontier
Deal found 6/2![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Tue 6/306:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 6/3![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 6/2. 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 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Sun 6/286:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 6/2![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Sat 8/18:12 pm
AUS
- BOI
1 stop17h 17m
Frontier
Deal found 6/3![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 6/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Wed 7/82:25 pm
AUS
- BOI
1 stop23h 04m
Frontier
Deal found 6/2![Frontier logo]()
$296
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 June 6, 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 June 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 9/296:23 am
BOI
- AUS
1 stop7h 58m
Alaska Airlines
Wed 9/308:30 am
AUS
- BOI
1 stop8h 00m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 9/165:40 pm
BOI
- AUS
1 stop5h 14m
United Airlines
Sat 9/195:30 am
AUS
- BOI
2 stops9h 05m
United Airlines
Deal found 6/1![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/3. 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 7/296:00 am
BOI
- AUS
1 stop7h 50m
Delta
Sun 8/27:25 pm
AUS
- BOI
1 stop5h 48m
Delta
Deal found 6/3![Delta logo]()
$435
This Southwest deal was found by Cheapflights users on 6/3. 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.
Tue 7/141:05 pm
BOI
- AUS
2 stops10h 45m
Southwest
Sat 7/185:00 pm
AUS
- BOI
2 stops7h 55m
Southwest
Deal found 6/3![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/292:31 pm
BOI
- AUS
2 stops7h 02m
United Airlines
Wed 9/307:40 am
AUS
- BOI
2 stops8h 51m
United Airlines
Deal found 6/1![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 10/314:17 pm
BOI
- AUS
1 stop6h 42m
Alaska Airlines
Tue 11/33:33 pm
AUS
- BOI
1 stop9h 18m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:25 pm
BOI
- AUS
2 stops7h 45m
Southwest
Thu 7/165:35 pm
AUS
- BOI
1 stop6h 25m
Southwest
Deal found 6/1![Southwest logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 10/52:08 pm
BOI
- AUS
1 stop8h 06m
Alaska Airlines
Mon 10/197:59 pm
AUS
- BOI
1 stop18h 48m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 8/295:44 pm
BOI
- AUS
1 stop5h 10m
United Airlines
Sun 9/65:30 am
AUS
- BOI
2 stops9h 08m
United Airlines
Deal found 6/3![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:25 pm
BOI
- AUS
1 stop6h 40m
Southwest
Fri 7/105:35 pm
AUS
- BOI
2 stops8h 40m
Southwest
Deal found 6/4![Southwest logo]()
$473
Last-minute flights from Boise to AustinDiscover last-minute flight deals from Boise to Austin. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Austin. Data last updated June 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Tue 6/306:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 6/3![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 6/2. 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 6/231:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Sun 6/286:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 6/2![Frontier logo]()
$287
This Expedia deal was found by Cheapflights users on 6/1. 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 6/251:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Sun 6/286:30 am
AUS
- BOI
1 stop7h 00m
Frontier
Deal found 6/1![Frontier logo]()
$309
This Expedia deal was found by Cheapflights users on 6/2. 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 6/301:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Tue 7/76:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/2![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 6/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Wed 7/82:25 pm
AUS
- BOI
1 stop23h 04m
Frontier
Deal found 6/2![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 7/21:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Mon 7/62:25 pm
AUS
- BOI
1 stop23h 04m
Frontier
Deal found 6/1![Frontier logo]()
$306
This Expedia deal was found by Cheapflights users on 6/3. 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 7/21:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Sun 7/56:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/3![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/91:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Thu 7/166:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/2![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 7/141:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Sat 7/188:12 pm
AUS
- BOI
1 stop17h 17m
Frontier
Deal found 6/3![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 6/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Tue 8/46:30 am
AUS
- BOI
1 stop6h 59m
Frontier
Deal found 6/1![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Sat 8/18:12 pm
AUS
- BOI
1 stop17h 17m
Frontier
Deal found 6/3![Frontier logo]()
$291
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 June 6, 2026.
Search for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 8/271:04 pm
BOI
- AUS
1 stop29h 26m
Frontier
Deal found 6/4![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Tue 7/141:24 pm
BOI
- AUS
1 stop23h 06m
Frontier
Deal found 6/5![Frontier logo]()
$128
This Priceline deal was found by Cheapflights users on 6/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- AUS
1 stop9h 43m
Frontier
Deal found 6/5![Frontier logo]()
$138
This Priceline deal was found by Cheapflights users on 6/1. 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 Priceline 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
Deal found 6/1![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Sun 7/191:24 pm
BOI
- AUS
1 stop23h 06m
Frontier
Deal found 6/5![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 6/2. 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 7/261:24 pm
BOI
- AUS
1 stop5h 03m
Frontier
Deal found 6/2![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 6/4. 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 7/21:25 pm
BOI
- AUS
1 stop9h 34m
Frontier
Deal found 6/4![Frontier logo]()
$160
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (CheapOair) |
One-way from | $98 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $408 |
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 June 6, 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
Tue 9/29
6:23 am-3:21 pm
1 stop7h 58m
Austin Bergstrom
Wed 9/30
8:30 am-3:30 pm
1 stop8h 00m
$261
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Wed 9/16
5:40 pm-11:54 pm
1 stop5h 14m
Austin Bergstrom
Sat 9/19
5:30 am-1:35 pm
2 stops9h 05m
$308
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Tue 9/29
2:31 pm-10:33 pm
2 stops7h 02m
Austin Bergstrom
Wed 9/30
7:40 am-3:31 pm
2 stops8h 51m
$403
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sat 10/31
4:17 pm-11:59 pm
1 stop6h 42m
Austin Bergstrom
Tue 11/3
3:33 pm-11:51 pm
1 stop9h 18m
$415
Quickest round-trip
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Wed 7/29
6:00 am-2:50 pm
1 stop7h 50m
Austin Bergstrom
Sun 8/2
7:25 pm-12:13 am
1 stop5h 48m
$435
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 10/5
2:08 pm-11:14 pm
1 stop8h 06m
Austin Bergstrom
Mon 10/19
7:59 pm-1:47 pm
1 stop18h 48m
$443
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Tue 7/14
1:05 pm-12:50 am
2 stops10h 45m
Austin Bergstrom
Sat 7/18
5:00 pm-11:55 pm
2 stops7h 55m
$451
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Sat 8/29
5:44 pm-11:54 pm
1 stop5h 10m
Austin Bergstrom
Sun 9/6
5:30 am-1:38 pm
2 stops9h 08m
$452
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Mon 7/13
3:25 pm-12:10 am
2 stops7h 45m
Austin Bergstrom
Thu 7/16
5:35 pm-11:00 pm
1 stop6h 25m
$472
BoiseAustin
BOI - AUS
BOIAUS
Boise Air Term. Gowen Fld
Fri 7/3
4:25 pm-12:05 am
1 stop6h 40m
Austin Bergstrom
Fri 7/10
5:35 pm-1:15 am
2 stops8h 40m
$473
Showing 1-10 of 22 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 June.
| 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 70 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 June 6, 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Pflugerville
Fredericksburg
Dripping Springs
Georgetown
Seguin
Canyon Lake
Browse thousands of different options on Cheapflights for your next trip
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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 June 6, 2026.
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Boise and Austin flights
Browse other Boise and Austin flight options. Last updated on June 6, 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 June 6, 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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$203 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$409 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$250 | Average$468 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$271 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$408 | FlexibilityNo cancel fee | On-time71% |