AirHint found the following cheapest return flights from London (LCY) to Tallinn (TLL) in October 2025 (see full year).

Return flights

08 Oct - 24 Oct	SWISS
28 Oct - 04 Nov	KLM
02 Oct - 07 Oct	SWISS
03 Oct - 07 Oct	SWISS
16 Oct - 23 Oct	Lufthansa
31 Oct - 05 Nov	KLM
29 Oct - 03 Nov	KLM
03 Oct - 30 Nov	SWISS
01 Oct - 24 Oct	Lufthansa
02 Oct - 26 Oct	Lufthansa
01 Oct - 31 Oct	Lufthansa
15 Oct - 22 Oct	Lufthansa
02 Oct - 08 Oct	Lufthansa
31 Oct - 08 Nov	SWISS
31 Oct - 03 Nov	KLM
16 Oct - 22 Oct	Lufthansa
31 Oct - 07 Nov	SWISS
04 Oct - 30 Nov	SWISS
21 Oct - 04 Nov	Lufthansa
31 Oct - 02 Nov	SWISS

Also check the deals for one-way flights from London to Tallinn 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 Tallinn in October from $272

Return flights