Cheapest one-way flights from Helsinki to Istanbul in April from $75

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

One-Way flights

28 Apr Ryanair
26 Apr Ryanair
18 Apr Pegasus Airlines direct
10 Apr Pegasus Airlines direct
05 Apr Pegasus Airlines direct
19 Apr Pegasus Airlines direct
07 Apr Pegasus Airlines direct
06 Apr Pegasus Airlines direct
15 Apr Pegasus Airlines direct
27 Apr Ryanair

Also check the deals for return flights from Helsinki to Istanbul in April.

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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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