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

Return flights

03 Dec - 06 Dec	Scandinavian Airlines
20 Dec - 30 Dec	LOT
11 Dec - 14 Dec	Air France
10 Dec - 14 Dec	Air France
19 Dec - 22 Dec	LOT
27 Dec - 31 Dec	LOT
15 Dec - 20 Dec	LOT
03 Dec - 08 Dec	Lufthansa
19 Dec - 29 Dec	LOT
24 Dec - 01 Jan	LOT
04 Dec - 08 Dec	LOT
27 Dec - 03 Jan	LOT

Also check the deals for one-way flights from Lisbon 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 Lisbon to Tallinn in December from 194€

Return flights