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

Return flights

17 Sep - 24 Sep	Ryanair
20 Sep - 24 Sep	Ryanair
27 Sep - 01 Oct	Ryanair
27 Sep - 30 Sep	Ryanair
24 Sep - 27 Sep	Ryanair
23 Sep - 27 Sep	Ryanair
23 Sep - 25 Sep	Ryanair
20 Sep - 27 Sep	Ryanair
10 Sep - 30 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
11 Sep - 18 Sep	Ryanair
25 Sep - 02 Oct	easyJet	direct
26 Sep - 06 Oct	Turkish Airlines
26 Sep - 06 Oct	British Airways	direct
27 Sep - 01 Oct	easyJet	direct
25 Sep - 15 Oct	SKY express
30 Sep - 15 Oct	SKY express
24 Sep - 15 Oct	SKY express
29 Sep - 15 Oct	SKY express
25 Sep - 13 Oct	SKY express

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

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 September from 131€

Return flights