Cheapest return flights from Helsinki to Istanbul in December from $254

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

Return flights

07 Dec - 21 Dec airBaltic
20 Dec - 05 Jan airBaltic
24 Dec - 28 Dec Lufthansa
25 Dec - 02 Jan Lufthansa
07 Dec - 21 Dec Turkish Airlines direct
19 Dec - 26 Dec Finnair
24 Dec - 28 Dec Turkish Airlines direct
25 Dec - 02 Jan Turkish Airlines direct
20 Dec - 05 Jan Turkish Airlines direct

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