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

Return flights

26 Aug - 16 Sep	Ryanair
23 Aug - 27 Sep	Ryanair
23 Aug - 20 Sep	Ryanair
29 Aug - 26 Sep	KLM
23 Aug - 05 Sep	Ryanair
23 Aug - 04 Sep	Ryanair
20 Aug - 14 Sep	Ryanair
20 Aug - 09 Sep	Ryanair
31 Aug - 10 Sep	Lufthansa
23 Aug - 02 Sep	Ryanair
27 Aug - 31 Aug	Ryanair
18 Aug - 31 Aug	Ryanair
16 Aug - 27 Aug	Luxair
29 Aug - 31 Aug	Luxair
20 Aug - 26 Aug	Ryanair
20 Aug - 28 Aug	Ryanair
26 Aug - 29 Aug	Ryanair
26 Aug - 28 Aug	Ryanair
21 Aug - 28 Aug	Ryanair
23 Aug - 30 Aug	Ryanair

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

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 August from 186€

Return flights