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

Return flights

31 Dec - 08 Jan	Ryanair
11 Dec - 16 Dec	Ryanair
31 Dec - 03 Jan	Ryanair
31 Dec - 05 Jan	Ryanair
10 Dec - 17 Dec	Ryanair
08 Dec - 11 Dec	Ryanair
09 Dec - 16 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
29 Dec - 03 Jan	Ryanair
06 Dec - 12 Dec	Iberia
19 Dec - 23 Dec	Ryanair
26 Dec - 30 Dec	Ryanair
30 Dec - 01 Jan	Ryanair
07 Dec - 08 Dec	Ryanair
31 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Porto 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 Porto to Tallinn in December from 181€

Return flights