Cheapest return flights from Istanbul to Helsinki in December from 180€

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

Return flights

31 Dec - 28 Jan airBaltic
31 Dec - 07 Jan airBaltic
08 Dec - 27 Jan Turkish Airlines
23 Dec - 30 Dec Pegasus Airlines
26 Dec - 11 Jan Pegasus Airlines
27 Dec - 03 Jan Pegasus Airlines
30 Dec - 03 Jan Pegasus Airlines
09 Dec - 10 Dec Pegasus Airlines
12 Dec - 15 Dec Pegasus Airlines
10 Dec - 13 Dec Pegasus Airlines
12 Dec - 16 Dec Pegasus Airlines
10 Dec - 12 Dec Pegasus Airlines direct
18 Dec - 25 Dec Pegasus Airlines
20 Dec - 27 Dec Pegasus Airlines
31 Dec - 28 Jan Pegasus Airlines direct
19 Dec - 22 Dec Pegasus Airlines
15 Dec - 17 Dec Pegasus Airlines
27 Dec - 05 Jan Pegasus Airlines
30 Dec - 04 Jan Pegasus Airlines direct
31 Dec - 04 Jan Pegasus Airlines direct

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

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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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