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

Return flights

07 Dec - 11 Dec	Air Serbia
07 Dec - 12 Dec	Air Serbia
15 Dec - 18 Dec	easyJet
10 Dec - 16 Dec	Air Serbia
12 Dec - 16 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
01 Dec - 06 Dec	Ryanair
06 Dec - 13 Dec	SWISS
11 Dec - 15 Dec	Ryanair
16 Dec - 20 Dec	Aegean Airlines
30 Dec - 06 Jan	Ryanair
22 Dec - 07 Jan	Ryanair
22 Dec - 02 Jan	Ryanair
20 Dec - 08 Jan	Ryanair
17 Dec - 02 Jan	SKY express
26 Dec - 01 Jan	SKY express
28 Dec - 01 Jan	SKY express
17 Dec - 04 Jan	SKY express
22 Dec - 04 Jan	Ryanair
31 Dec - 05 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 150€

Return flights