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

Return flights

22 Apr - 26 Apr	Wizz Air
24 Apr - 26 Apr	Wizz Air
12 Apr - 17 Apr	LOT	direct
26 Apr - 29 Apr	LOT	direct
24 Apr - 27 Apr	LOT	direct
22 Apr - 26 Apr	LOT	direct
20 Apr - 26 Apr	LOT	direct
06 Apr - 10 Apr	LOT	direct
06 Apr - 12 Apr	LOT	direct
24 Apr - 26 Apr	LOT	direct
24 Apr - 01 May	LOT	direct
29 Apr - 06 May	Lufthansa
24 Apr - 03 May	LOT
29 Apr - 03 May	Wizz Air
29 Apr - 07 May	Lufthansa
30 Apr - 07 May	Wizz Air
30 Apr - 08 May	Lufthansa
29 Apr - 06 May	LOT	direct

Also check the deals for one-way flights from Gdansk 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 Gdansk to Istanbul in April from $135

Return flights