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

Return flights

01 Dec - 08 Dec	Ryanair
13 Dec - 17 Dec	Ryanair
11 Dec - 18 Dec	Ryanair
01 Dec - 06 Dec	Ryanair
08 Dec - 12 Dec	Ryanair
15 Dec - 30 Dec	Air Serbia
04 Dec - 11 Dec	Ryanair
12 Dec - 18 Dec	Ryanair
12 Dec - 19 Dec	Ryanair
06 Dec - 10 Dec	Ryanair
17 Dec - 10 Jan	SKY express
30 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
20 Dec - 08 Jan	Ryanair
31 Dec - 01 Jan	SKY express
28 Dec - 01 Jan	Ryanair
26 Dec - 01 Jan	Air Serbia
28 Dec - 02 Jan	Ryanair
27 Dec - 02 Jan	SKY express
29 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Thessaloniki to Lisbon 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 Thessaloniki to Lisbon in December from 135€

Return flights