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

Return flights

24 Sep - 01 Oct	Ryanair
29 Sep - 30 Sep	Ryanair
27 Sep - 04 Oct	Ryanair
25 Sep - 02 Oct	Volotea
30 Sep - 01 Oct	SKY express
23 Sep - 30 Sep	SKY express
29 Sep - 03 Oct	Ryanair
26 Sep - 03 Oct	SKY express
23 Sep - 30 Sep	easyJet	direct
23 Sep - 25 Sep	easyJet	direct
23 Sep - 27 Sep	easyJet	direct
23 Sep - 11 Oct	easyJet	direct
23 Sep - 04 Oct	easyJet	direct
23 Sep - 07 Oct	easyJet	direct
25 Sep - 30 Sep	easyJet	direct
27 Sep - 30 Sep	easyJet	direct
25 Sep - 27 Sep	easyJet	direct
27 Sep - 04 Oct	easyJet	direct

Also check the deals for one-way flights from Skiathos 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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Skiathos to London in September from 179€

Return flights