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

Return flights

02 Dec - 13 Dec	Ryanair
04 Dec - 11 Dec	Ryanair
02 Dec - 08 Dec	Ryanair
08 Dec - 15 Dec	Ryanair
09 Dec - 16 Dec	Ryanair
08 Dec - 12 Dec	Ryanair
01 Dec - 16 Dec	Ryanair
10 Dec - 11 Dec	Ryanair
08 Dec - 13 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
15 Dec - 07 Jan	Ryanair
12 Dec - 07 Jan	Ryanair
14 Dec - 07 Jan	Ryanair
13 Dec - 07 Jan	Ryanair
12 Dec - 17 Jan	Lufthansa
18 Dec - 07 Jan	Ryanair
18 Dec - 11 Jan	Ryanair
17 Dec - 11 Jan	easyJet
22 Dec - 07 Jan	Ryanair
30 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 $185

Return flights