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

Return flights

25 Sep - 02 Oct	easyJet
05 Sep - 12 Sep	easyJet
25 Sep - 02 Oct	easyJet	direct
05 Sep - 12 Sep	easyJet	direct
03 Sep - 03 Sep	easyJet
04 Sep - 07 Sep	Vueling Airlines
04 Sep - 08 Sep	Vueling Airlines
04 Sep - 11 Sep	Vueling Airlines
04 Sep - 21 Sep	Vueling Airlines
11 Sep - 21 Sep	Vueling Airlines
04 Sep - 18 Sep	Vueling Airlines
04 Sep - 22 Sep	Vueling Airlines
11 Sep - 02 Oct	Vueling Airlines
11 Sep - 01 Oct	Vueling Airlines
10 Sep - 01 Oct	Vueling Airlines
22 Sep - 07 Oct	SKY express
19 Sep - 07 Oct	SKY express
24 Sep - 07 Oct	SKY express
24 Sep - 14 Oct	SKY express
21 Sep - 07 Oct	SKY express

Also check the deals for one-way flights from Santorini (Thira) 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 Santorini (Thira) to London in September from $231

Return flights