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

Return flights

23 Apr - 30 Apr	Lufthansa
23 Apr - 30 Apr	Turkish Airlines	direct
02 Apr - 06 Apr	Lufthansa
03 Apr - 06 Apr	Lufthansa
02 Apr - 06 Apr	Turkish Airlines	direct
11 Apr - 26 Apr	Lufthansa
11 Apr - 26 Apr	Turkish Airlines	direct
04 Apr - 12 Apr	Lufthansa
30 Apr - 03 May	Lufthansa
03 Apr - 06 Apr	Turkish Airlines	direct
04 Apr - 12 Apr	Turkish Airlines	direct

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 $265

Return flights