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

Return flights

31 Dec - 14 Jan	Ryanair
31 Dec - 11 Jan	Ryanair
30 Dec - 14 Jan	Ryanair
30 Dec - 09 Jan	Ryanair
30 Dec - 09 Jan	Turkish Airlines	direct
30 Dec - 06 Jan	Ryanair
30 Dec - 07 Jan	Lufthansa
31 Dec - 14 Jan	Turkish Airlines	direct
27 Dec - 11 Jan	Luxair
30 Dec - 05 Jan	Ryanair
28 Dec - 30 Dec	Luxair
29 Dec - 31 Dec	Lufthansa
27 Dec - 30 Dec	Turkish Airlines
27 Dec - 29 Dec	Turkish Airlines
27 Dec - 31 Dec	Turkish Airlines
27 Dec - 29 Dec	Turkish Airlines	direct
27 Dec - 31 Dec	Turkish Airlines	direct
27 Dec - 30 Dec	Luxair	direct
29 Dec - 31 Dec	Luxair	direct
28 Dec - 30 Dec	Luxair	direct

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 222€

Return flights