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

Return flights

12 Apr - 15 Apr	Scandinavian Airlines
13 Apr - 16 Apr	Scandinavian Airlines
10 Apr - 13 Apr	Scandinavian Airlines
17 Apr - 20 Apr	Scandinavian Airlines
30 Apr - 03 May	SWISS
29 Apr - 03 May	SWISS
03 Apr - 07 Apr	LOT
01 Apr - 04 Apr	LOT
27 Apr - 03 May	SWISS
01 Apr - 05 Apr	Lufthansa
03 Apr - 06 Apr	Lufthansa
07 Apr - 10 Apr	Scandinavian Airlines
03 Apr - 11 Apr	LOT

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

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 April from 173€

Return flights