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

Return flights

07 May - 10 May	KLM
05 May - 13 May	KLM
05 May - 10 May	KLM
19 May - 24 May	KLM
14 May - 20 May	KLM
28 May - 07 Jun	KLM
19 May - 25 May	KLM
19 May - 26 May	KLM
28 May - 01 Jun	KLM
30 May - 30 Jun	SWISS
30 May - 03 Jun	SWISS
02 May - 07 May	SWISS
16 May - 03 Jun	SWISS
28 May - 31 May	KLM
15 May - 20 May	Lufthansa
15 May - 03 Jun	Lufthansa
27 May - 03 Jun	Lufthansa
26 May - 05 Jun	KLM
26 May - 01 Jun	KLM
29 May - 03 Jun	Lufthansa

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 $265

Return flights