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

Return flights

07 Sep - 21 Sep	Ryanair	direct
07 Sep - 28 Sep	Ryanair	direct
28 Sep - 12 Oct	Ryanair	direct
28 Sep - 19 Oct	Ryanair	direct
07 Sep - 14 Sep	Ryanair	direct
18 Sep - 22 Sep	Ryanair
07 Sep - 19 Sep	Ryanair	direct
07 Sep - 26 Sep	Ryanair	direct
28 Sep - 17 Oct	Ryanair	direct
25 Sep - 27 Sep	Volotea
01 Sep - 07 Sep	Ryanair
28 Sep - 10 Oct	Ryanair	direct
05 Sep - 19 Sep	Ryanair
14 Sep - 21 Sep	Ryanair	direct
14 Sep - 05 Oct	Ryanair	direct
21 Sep - 12 Oct	Ryanair	direct
19 Sep - 05 Oct	Ryanair	direct
26 Sep - 03 Oct	easyJet
26 Sep - 12 Oct	Ryanair	direct
21 Sep - 05 Oct	Ryanair	direct

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 $185

Return flights