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

Return flights

24 Dec - 29 Dec	Lufthansa
06 Dec - 10 Dec	Lufthansa
25 Dec - 29 Dec	Lufthansa
25 Dec - 29 Dec	Turkish Airlines	direct
06 Dec - 10 Dec	Turkish Airlines	direct
24 Dec - 29 Dec	Turkish Airlines	direct
27 Dec - 10 Jan	Lufthansa
31 Dec - 04 Jan	KLM
31 Dec - 04 Jan	Turkish Airlines	direct
18 Dec - 22 Dec	Lufthansa
16 Dec - 20 Dec	Air France
16 Dec - 20 Dec	Turkish Airlines	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Istanbul to Luxemburg in December from 171€

Return flights