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

Return flights

31 Aug - 07 Sep	SKY express
31 Aug - 14 Sep	SKY express
28 Aug - 02 Sep	SKY express
31 Aug - 06 Sep	SKY express
31 Aug - 04 Sep	SKY express
28 Aug - 10 Sep	SKY express
28 Aug - 31 Aug	SKY express
31 Aug - 03 Sep	Aegean Airlines
30 Aug - 04 Sep	Ryanair
29 Aug - 07 Sep	Aegean Airlines
31 Aug - 01 Sep	SKY express
28 Aug - 30 Aug	SKY express
31 Aug - 31 Aug	easyJet

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

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 Thessaloniki to London in August from $359

Return flights