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

Return flights

02 Dec - 10 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
05 Dec - 09 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
12 Dec - 26 Dec	Lufthansa
30 Dec - 20 Jan	Lufthansa
05 Dec - 09 Dec	Turkish Airlines	direct
26 Dec - 30 Dec	easyJet
31 Dec - 20 Jan	KLM
26 Dec - 31 Dec	easyJet
27 Dec - 29 Dec	Ryanair
31 Dec - 20 Jan	Turkish Airlines	direct
30 Dec - 20 Jan	Turkish Airlines	direct
28 Dec - 01 Jan	Lufthansa
18 Dec - 04 Jan	Luxair
28 Dec - 04 Jan	Lufthansa
29 Dec - 03 Jan	Ryanair
22 Dec - 04 Jan	Ryanair
27 Dec - 03 Jan	Lufthansa

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 114€

Return flights