AirHint found the following cheapest return flights from Luxemburg (LUX) to Istanbul (IST) in April 2026 (see full year).

Return flights

07 Apr - 14 Apr	Lufthansa
24 Apr - 28 Apr	Lufthansa
06 Apr - 10 Apr	Lufthansa
19 Apr - 23 Apr	Ryanair
13 Apr - 17 Apr	Lufthansa
14 Apr - 23 Apr	Ryanair
15 Apr - 21 Apr	Lufthansa
14 Apr - 21 Apr	Lufthansa
15 Apr - 23 Apr	Lufthansa
22 Apr - 26 Apr	KLM
28 Apr - 03 May	Scandinavian Airlines

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

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 April from 171€

Return flights