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

Return flights

31 Dec - 23 Jan	easyJet	direct
31 Dec - 21 Jan	easyJet	direct
31 Dec - 25 Jan	easyJet	direct
31 Dec - 18 Jan	easyJet	direct
31 Dec - 30 Jan	easyJet	direct
31 Dec - 28 Jan	easyJet	direct
31 Dec - 14 Jan	easyJet	direct
31 Dec - 12 Jan	easyJet
31 Dec - 16 Jan	easyJet	direct
31 Dec - 11 Jan	easyJet	direct
29 Dec - 31 Dec	Wizz Air
30 Dec - 31 Dec	Vueling Airlines
30 Dec - 31 Dec	easyJet	direct
27 Dec - 28 Dec	SWISS
29 Dec - 31 Dec	easyJet	direct
28 Dec - 31 Dec	Wizz Air
27 Dec - 31 Dec	SWISS
27 Dec - 29 Dec	SWISS
28 Dec - 31 Dec	easyJet	direct
27 Dec - 30 Dec	SWISS

Also check the deals for one-way flights from London to Thessaloniki 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 London to Thessaloniki in December from 114€

Return flights