Cheapest return flights from Helsinki to Istanbul in May from $166

Best time to book flights for Helsinki (HEL) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Helsinki (HEL) to Istanbul (IST) in May 2025 (see full year).

Return flights

06 May - 08 May Pegasus Airlines direct
08 May - 16 May Pegasus Airlines direct
05 May - 26 May Pegasus Airlines direct
12 May - 29 May Ryanair
05 May - 27 May Pegasus Airlines direct
12 May - 19 May Ryanair
28 May - 30 May Ryanair
12 May - 21 May Norwegian Air Sweden AOC
06 May - 11 May Pegasus Airlines
15 May - 19 May Pegasus Airlines direct
31 May - 09 Jun airBaltic
16 May - 02 Jun Norwegian Air Sweden AOC
27 May - 03 Jun Ryanair
30 May - 01 Jun airBaltic
26 May - 01 Jun airBaltic
28 May - 07 Jun Norwegian
28 May - 08 Jun airBaltic
29 May - 08 Jun airBaltic
30 May - 08 Jun airBaltic
31 May - 08 Jun airBaltic

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

Skyscanner

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul