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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boise (BOI) to Austin (AUS)

How to find the cheapest flight from Boise (BOI) to Austin (AUS)
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How to find the cheapest flight from Boise (BOI) to Austin (AUS)
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How to find the cheapest flight from Boise (BOI) to Austin (AUS)
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Cheap flights from Boise to Austin in December 2025 , January 2026

25 Dec - 24 Jan $ 308.00
BOI
Boise
Hawaiian Airlines
1 STOPS
AUS
Austin
AUS
Austin
Hawaiian Airlines
1 STOPS
BOI
Boise
Pick dates
25 Dec - 06 Jan $ 325.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
16 Dec - 03 Jan $ 970.00
BOI
Boise
Hawaiian Airlines
1 STOPS
AUS
Austin
AUS
Austin
Hawaiian Airlines
1 STOPS
BOI
Boise
Pick dates

Last minute flights from Boise to Austin

25 Dec - 31 Dec $ 449.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
25 Dec - 31 Dec $ 453.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
16 Dec - 31 Dec $ 1,035.00
BOI
Boise
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOI
Boise
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One-way flights to Austin from Boise

10:42 AM - 1:40 PM
United Airlines
1 Stops
5h 10m
BOI - AUS
$ 177
Kiwi
Pick dates
2:40 PM - 6:10 PM
United Airlines
1 Stops
5h 45m
BOI - AUS
$ 177
Kiwi
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2:49 PM - 5:38 PM
United Airlines
1 Stops
5h 3m
BOI - AUS
$ 370
Kiwi
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How to find the cheapest flight from Boise (BOI) to Austin (AUS)

Related info for your journey
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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.