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Cheap flights from Phoenix (PHX) 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 Phoenix (PHX) to Austin (AUS)

How to find the cheapest flight from Phoenix (PHX) to Austin (AUS)
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How to find the cheapest flight from Phoenix (PHX) to Austin (AUS)
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How to find the cheapest flight from Phoenix (PHX) to Austin (AUS)
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Cheap flights from Phoenix to Austin in April , May 2026

20 Apr - 04 May $ 103.00
PHX
Phoenix
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
13 Apr - 04 May $ 165.00
PHX
Phoenix
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
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12 Apr - 04 May $ 268.00
PHX
Phoenix
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

Last minute flights from Phoenix to Austin

27 Apr - 30 Apr $ 103.00
PHX
Phoenix
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
13 Apr - 30 Apr $ 165.00
PHX
Phoenix
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates
12 Apr - 30 Apr $ 268.00
PHX
Phoenix
Frontier Airlines
DIRECT
AUS
Austin
AUS
Austin
Frontier Airlines
DIRECT
PHX
Phoenix
Pick dates

One-way flights to Austin from Phoenix

5:15 AM - 5:15 AM
Frontier Airlines
0 Stops
2h 14m
PHX - AUS
$ 49
Kiwi
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3:11 PM - 9:00 PM
Frontier Airlines
1 Stops
7h 10m
PHX - AUS
$ 111
Kiwi
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11:01 AM - 11:01 AM
Frontier Airlines
0 Stops
2h 14m
PHX - AUS
$ 214
Kiwi
Pick dates

How to find the cheapest flight from Phoenix (PHX) to Austin (AUS)

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