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

Return flights

19 Dec - 30 Dec	Pegasus Airlines
23 Dec - 30 Dec	Pegasus Airlines
09 Dec - 13 Dec	Pegasus Airlines
04 Dec - 06 Dec	Pegasus Airlines
20 Dec - 27 Dec	Pegasus Airlines
02 Dec - 27 Dec	Pegasus Airlines
19 Dec - 11 Jan	Pegasus Airlines
08 Dec - 29 Dec	LOT
14 Dec - 18 Dec	LOT
27 Dec - 03 Jan	AJet
12 Dec - 15 Dec	LOT
08 Dec - 11 Dec	LOT
25 Dec - 03 Jan	LOT
31 Dec - 04 Jan	LOT
29 Dec - 05 Jan	airBaltic
25 Dec - 04 Jan	AJet
19 Dec - 11 Jan	Turkish Airlines	direct
31 Dec - 04 Jan	Turkish Airlines	direct
27 Dec - 03 Jan	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Tallinn 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 Tallinn in December from 129€

Return flights