Cheapest return flights from Istanbul to Helsinki in May from $189

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

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

Return flights

02 May - 06 May Pegasus Airlines direct
02 May - 04 May Pegasus Airlines direct
02 May - 08 May Pegasus Airlines direct
02 May - 05 May Pegasus Airlines direct
15 May - 26 May Pegasus Airlines
22 May - 26 May Pegasus Airlines
21 May - 26 May Pegasus Airlines
23 May - 26 May Pegasus Airlines
14 May - 26 May Pegasus Airlines
02 May - 07 May Pegasus Airlines
14 May - 20 Jun Pegasus Airlines
31 May - 07 Jun Lufthansa
17 May - 26 Jun Lufthansa
31 May - 02 Jun Pegasus Airlines
31 May - 01 Jun Pegasus Airlines
14 May - 20 Jun Pegasus Airlines direct
31 May - 01 Jun Turkish Airlines direct
31 May - 07 Jun Pegasus Airlines direct
17 May - 26 Jun Turkish Airlines direct
31 May - 02 Jun Pegasus Airlines direct

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

Cheap car rent in Helsinki