Earn point on your loyalty program!arrow arc left

Cheap flights from Boise (BOI) to Austin (AUS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boise (BOI) to Austin (AUS)

How to find the cheapest flight from Boise (BOI) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boise to Austin in September , October 2026

29 Sep - 24 Oct $ 456.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Sep - 10 Oct $ 497.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Sep - 02 Oct $ 1,076.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

Last minute flights from Boise to Austin

29 Sep - 30 Sep $ 614.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
29 Sep - 30 Sep $ 614.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
28 Sep - 30 Sep $ 800.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

One-way flights to Austin from Boise

10:00 AM - 11:37 AM
Alaska Airlines
1 Stops
7h 4m
BOI - AUS
$ 307
Kiwi
Pick dates
4:27 PM - 5:48 PM
Alaska Airlines
1 Stops
6h 32m
BOI - AUS
$ 308
Kiwi
Pick dates
2:44 PM - 5:36 PM
United Airlines
1 Stops
5h 4m
BOI - AUS
$ 347
Kiwi
Pick dates

How to find the cheapest flight from Boise (BOI) to Austin (AUS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.