AirHint found the following cheapest return flights from London (LCY) to Tallinn (TLL) in January 2026 (see full year).

Return flights

15 Jan - 20 Jan	SWISS
08 Jan - 12 Jan	SWISS
08 Jan - 10 Jan	SWISS
29 Jan - 31 Jan	SWISS
30 Jan - 06 Feb	SWISS
16 Jan - 19 Jan	SWISS
17 Jan - 20 Jan	KLM
08 Jan - 11 Jan	KLM
09 Jan - 11 Jan	KLM
23 Jan - 25 Jan	KLM
02 Jan - 11 Jan	KLM
29 Jan - 01 Feb	KLM

Also check the deals for one-way flights from London to Tallinn in January.

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 January from $256

Return flights