Cheapest return flights from Austin to Ljubljana in September from $681

AirHint found the following cheapest return flights from Austin (AUS) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

14 Sep - 21 Sep Lufthansa
02 Sep - 09 Sep British Airways
01 Sep - 30 Sep Lufthansa
08 Sep - 15 Sep Delta
03 Sep - 10 Sep British Airways
07 Sep - 14 Sep Lufthansa
13 Sep - 20 Sep British Airways
04 Sep - 11 Sep Lufthansa
12 Sep - 19 Sep British Airways
05 Sep - 12 Sep British Airways

Also check the deals for one-way flights from Austin to Ljubljana in September.

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