Cheapest return flights from Helsinki to Istanbul in April from $152

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

Return flights

18 Apr - 21 Apr Pegasus Airlines direct
06 Apr - 13 Apr Pegasus Airlines direct
13 Apr - 16 Apr Pegasus Airlines direct
06 Apr - 12 Apr Pegasus Airlines direct
13 Apr - 21 Apr Pegasus Airlines direct
07 Apr - 12 Apr Pegasus Airlines direct
15 Apr - 21 Apr Pegasus Airlines direct
05 Apr - 12 Apr Pegasus Airlines direct
08 Apr - 12 Apr Pegasus Airlines direct
10 Apr - 13 Apr Pegasus Airlines direct
25 Apr - 02 May Pegasus Airlines direct
30 Apr - 05 May Lufthansa
30 Apr - 05 May Pegasus Airlines direct
30 Apr - 03 May Pegasus Airlines direct

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

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