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

Return flights

09 Dec - 15 Dec	Ryanair
09 Dec - 16 Dec	Ryanair
10 Dec - 17 Dec	Lufthansa
11 Dec - 17 Dec	Lufthansa
10 Dec - 13 Dec	Lufthansa
12 Dec - 19 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
08 Dec - 16 Dec	Turkish Airlines	direct
08 Dec - 15 Dec	Turkish Airlines	direct
06 Dec - 16 Dec	Lufthansa
15 Dec - 09 Jan	Ryanair
15 Dec - 08 Jan	Ryanair
26 Dec - 08 Jan	Luxair
31 Dec - 05 Jan	Ryanair
22 Dec - 10 Jan	Ryanair
21 Dec - 10 Jan	Ryanair
19 Dec - 15 Jan	Aegean Airlines
27 Dec - 05 Jan	Ryanair
26 Dec - 01 Jan	Luxair
27 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Luxemburg to Istanbul 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 Luxemburg to Istanbul in December from 193€

Return flights