Cheap flights from Denver to South Austin

View AU$152 flight on Sat, 6 Sep. 2025Opens in a new window

Popular airlines from Denver to South Austin

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

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Cheap Flights from Denver (DEN) to South Austin (AUS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
DEN
Denver
AUS
Austin
AU$272 Return, found 6 hours ago
AU$272
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 6 Sep. from Denver to Austin, returning Sat, 13 Sep., priced at AU$272 found 6 hours ago
American Airlines
Thu, 4 Sep. - Thu, 11 Sep.
DEN
Denver
AUS
Austin
AU$274 Return, found 1 day ago
AU$274
Return
found 1 day ago
Select American Airlines flight, departing Thu, 4 Sep. from Denver to Austin, returning Thu, 11 Sep., priced at AU$274 found 1 day ago
Delta
Sat, 6 Sep. - Sat, 13 Sep.
DEN
Denver
AUS
Austin
AU$302 Return, found 6 hours ago
AU$302
Return
found 6 hours ago
Select Delta flight, departing Sat, 6 Sep. from Denver to Austin, returning Sat, 13 Sep., priced at AU$302 found 6 hours ago
Delta
Thu, 4 Sep. - Thu, 11 Sep.
DEN
Denver
AUS
Austin
AU$304 Return, found 1 day ago
AU$304
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep. from Denver to Austin, returning Thu, 11 Sep., priced at AU$304 found 1 day ago
United
Thu, 4 Sep. - Thu, 11 Sep.
DEN
Denver
AUS
Austin
AU$328 Return, found 1 day ago
AU$328
Return
found 1 day ago
Select United flight, departing Thu, 4 Sep. from Denver to Austin, returning Thu, 11 Sep., priced at AU$328 found 1 day ago
Alaska Airlines
Wed, 6 Aug. - Thu, 7 Aug.
DEN
Denver
AUS
Austin
AU$1,078 Return, found 23 hours ago
AU$1,078
Return
found 23 hours ago
Select Alaska Airlines flight, departing Wed, 6 Aug. from Denver to Austin, returning Thu, 7 Aug., priced at AU$1,078 found 23 hours ago

Find the cheapest month to fly from Denver (DEN) to Austin (AUS)

September is typically the cheapest month to fly

From AU$74 - AU$196 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.