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

Return flights

23 Dec - 10 Jan	Wizz Air Malta	direct
27 Dec - 10 Jan	Wizz Air Malta	direct
23 Dec - 03 Jan	Wizz Air Malta	direct
27 Dec - 03 Jan	Wizz Air Malta	direct
30 Dec - 20 Jan	Wizz Air Malta	direct
30 Dec - 10 Jan	Wizz Air Malta	direct
30 Dec - 03 Jan	Wizz Air Malta	direct
31 Dec - 05 Jan	TAROM

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

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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Cheapest return flights from Istanbul to Iasi in December from 51€

Return flights