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

Return flights

07 May - 11 May	KLM
05 May - 13 May	KLM
05 May - 12 May	Lufthansa
08 May - 12 May	Lufthansa
08 May - 14 May	Lufthansa
07 May - 12 May	KLM
07 May - 14 May	Lufthansa
11 May - 14 May	Lufthansa
08 May - 10 May	Lufthansa
18 May - 27 May	Lufthansa
29 May - 03 Jun	Lufthansa
28 May - 08 Jun	KLM
28 May - 04 Jun	Lufthansa
29 May - 01 Jun	Air Dolomiti
30 May - 07 Jun	SWISS
27 May - 01 Jun	Air Dolomiti
31 May - 07 Jun	SWISS
30 May - 07 Jun	British Airways	direct
23 May - 07 Jun	SWISS
01 May - 01 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.

Book a cheap hotel in Thessaloniki

Cheap car rent in Thessaloniki

Cheapest return flights from London to Thessaloniki in May from 225€

Return flights