Cheapest return flights from Austin to Istanbul in December from 484€

AirHint found the following cheapest return flights from Austin (AUS) to Istanbul (IST) in December 2025 (see full year).

Return flights

31 Dec - 24 Jan British Airways
24 Dec - 14 Jan Air Canada
02 Dec - 10 Dec Lufthansa
29 Dec - 24 Jan Frontier Airlines
20 Dec - 13 Jan British Airways
20 Dec - 14 Jan British Airways
21 Dec - 13 Jan Frontier Airlines
11 Dec - 03 Jan Frontier Airlines
28 Dec - 04 Jan Frontier Airlines
20 Dec - 31 Dec Frontier Airlines

Also check the deals for one-way flights from Austin to Istanbul in December.

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