Cheapest return flights from Istanbul to Helsinki in December from $170

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

Return flights

02 Dec - 06 Dec Pegasus Airlines
17 Dec - 08 Jan Pegasus Airlines
01 Dec - 09 Dec KLM
04 Dec - 06 Dec KLM
10 Dec - 14 Dec Pegasus Airlines
04 Dec - 09 Dec KLM
11 Dec - 15 Dec Pegasus Airlines
19 Dec - 01 Jan airBaltic
01 Dec - 04 Dec Pegasus Airlines
03 Dec - 07 Dec airBaltic
29 Dec - 04 Jan Pegasus Airlines
05 Dec - 07 Dec KLM
02 Dec - 07 Dec KLM
25 Dec - 04 Jan AJet
28 Dec - 04 Jan Pegasus Airlines
17 Dec - 08 Jan Pegasus Airlines direct
25 Dec - 05 Jan KLM
28 Dec - 02 Jan Pegasus Airlines
29 Dec - 02 Jan airBaltic
26 Dec - 02 Jan airBaltic

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.