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

Return flights

17 Sep - 23 Oct	easyJet	direct
23 Sep - 16 Oct	easyJet	direct
29 Sep - 11 Oct	Wizz Air Malta
30 Sep - 07 Oct	easyJet
30 Sep - 08 Oct	Wizz Air UK
24 Sep - 02 Oct	easyJet	direct
17 Sep - 18 Sep	easyJet	direct
29 Sep - 02 Oct	Wizz Air Malta
23 Sep - 02 Oct	Wizz Air Malta
28 Sep - 06 Oct	Wizz Air Malta
09 Sep - 18 Sep	Wizz Air UK
26 Sep - 06 Oct	easyJet
24 Sep - 30 Sep	Wizz Air Malta
08 Sep - 15 Sep	Wizz Air
16 Sep - 20 Sep	Wizz Air Malta
10 Sep - 18 Sep	Wizz Air Malta
23 Sep - 26 Sep	Wizz Air Malta
11 Sep - 18 Sep	Wizz Air Malta
02 Sep - 08 Sep	SWISS
23 Sep - 29 Sep	SWISS

Also check the deals for one-way flights from London to Santorini (Thira) 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 London to Santorini (Thira) in September from 99€

Return flights