Cheapest return LUX–IST flights, September

AirHint found the following cheapest return flights from Luxemburg (LUX) to Istanbul (IST) in September 2026 (see full year).

Return flights

08 Sep - 22 Sep Ryanair
14 Sep - 24 Sep Ryanair
18 Sep - 25 Sep Scandinavian Airlines
08 Sep - 13 Sep Ryanair
05 Sep - 20 Sep Ryanair
06 Sep - 11 Sep Ryanair
04 Sep - 11 Sep Scandinavian Airlines
27 Sep - 04 Oct Turkish Airlines direct
14 Sep - 24 Sep Turkish Airlines direct
18 Sep - 25 Sep Turkish Airlines direct
05 Sep - 20 Sep Turkish Airlines direct

Also check the deals for one-way flights from Luxemburg to Istanbul in September.

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