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

Return flights

14 Oct - 21 Oct	Lufthansa
13 Oct - 21 Oct	Lufthansa
17 Oct - 21 Oct	Lufthansa
13 Oct - 22 Oct	Aegean Airlines
10 Oct - 14 Oct	SWISS
11 Oct - 14 Oct	Austrian Airlines
17 Oct - 20 Oct	Lufthansa
15 Oct - 20 Oct	SWISS
18 Oct - 22 Oct	Eurowings
31 Oct - 07 Nov	Lufthansa
13 Oct - 18 Oct	Aegean Airlines
23 Oct - 04 Nov	Lufthansa
31 Oct - 04 Nov	Lufthansa
30 Oct - 03 Nov	Aegean Airlines
27 Oct - 03 Nov	Lufthansa
29 Oct - 01 Nov	Aegean Airlines
31 Oct - 03 Nov	Lufthansa
29 Oct - 04 Nov	SWISS
28 Oct - 04 Nov	Lufthansa
29 Oct - 02 Nov	Aegean Airlines

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

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 October from $201

Return flights