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

Return flights

05 May - 11 May	KLM
05 May - 10 May	KLM
08 May - 12 May	Lufthansa
26 May - 02 Jun	KLM
08 May - 10 May	Lufthansa
13 May - 21 May	Lufthansa
07 May - 10 May	KLM
03 May - 10 May	KLM
04 May - 10 May	Lufthansa
31 May - 07 Jun	KLM
27 May - 03 Jun	ITA Airways
26 May - 29 May	KLM
01 May - 10 May	Lufthansa
29 May - 03 Jun	Lufthansa
30 May - 03 Jun	SWISS
30 May - 07 Jun	SWISS

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

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 May from $258

Return flights