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

Return flights

06 Dec - 10 Dec	Wizz Air UK
01 Dec - 04 Dec	easyJet
06 Dec - 11 Dec	Wizz Air UK
08 Dec - 11 Dec	easyJet
08 Dec - 16 Dec	Wizz Air UK
10 Dec - 14 Dec	easyJet
09 Dec - 17 Dec	Wizz Air UK
10 Dec - 07 Jan	SKY express
27 Dec - 30 Dec	Wizz Air UK
17 Dec - 31 Dec	SKY express
26 Dec - 29 Dec	Wizz Air UK
24 Dec - 04 Jan	Aegean Airlines
20 Dec - 03 Jan	Vueling Airlines

Also check the deals for one-way flights from London to Santorini (Thira) in December.

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 December from 171€

Return flights