Cheapest return flights from Istanbul to Helsinki in December from $205

AirHint found the following cheapest return flights from Istanbul (IST) to Helsinki (HEL) in December 2026 (see full year).

Return flights

10 Dec - 15 Dec Lufthansa
09 Dec - 13 Dec Lufthansa
07 Dec - 13 Dec Lufthansa
29 Dec - 03 Jan KLM
18 Dec - 25 Dec airBaltic
10 Dec - 15 Dec Turkish Airlines direct
07 Dec - 13 Dec Turkish Airlines direct
09 Dec - 13 Dec Turkish Airlines direct
18 Dec - 25 Dec Turkish Airlines direct
29 Dec - 03 Jan Turkish Airlines direct

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

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