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

Return flights

22 Oct - 27 Oct	Lufthansa
09 Oct - 16 Oct	KLM
02 Oct - 06 Oct	KLM
02 Oct - 08 Oct	KLM
02 Oct - 07 Oct	KLM
21 Oct - 28 Oct	KLM
30 Oct - 04 Nov	KLM
10 Oct - 13 Oct	KLM
13 Oct - 16 Oct	KLM
11 Oct - 13 Oct	KLM
11 Oct - 14 Oct	KLM
31 Oct - 02 Nov	SWISS
29 Oct - 02 Nov	KLM
28 Oct - 01 Nov	Lufthansa

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 $269

Return flights