AirHint found the following cheapest return flights from London (LCY) to Thessaloniki (SKG) in January 2026 (see full year).

Return flights

23 Jan - 26 Jan	ITA Airways
30 Jan - 02 Feb	ITA Airways
31 Jan - 05 Feb	KLM
30 Jan - 15 Feb	ITA Airways
24 Jan - 30 Jan	KLM
24 Jan - 31 Jan	KLM
31 Jan - 02 Feb	KLM
23 Jan - 01 Feb	ITA Airways
22 Jan - 25 Jan	ITA Airways
26 Jan - 31 Jan	KLM
27 Jan - 31 Jan	KLM
30 Jan - 01 Feb	ITA Airways
23 Jan - 25 Jan	ITA Airways
21 Jan - 25 Jan	ITA Airways
24 Jan - 29 Jan	KLM
27 Jan - 01 Feb	KLM
28 Jan - 01 Feb	KLM
26 Jan - 01 Feb	KLM
29 Jan - 02 Feb	ITA Airways
20 Jan - 25 Jan	SWISS

Also check the deals for one-way flights from London to Thessaloniki in January.

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 January from $363

Return flights