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

Return flights

21 Apr - 28 Apr	Scandinavian Airlines
10 Apr - 14 Apr	Scandinavian Airlines
24 Apr - 28 Apr	Scandinavian Airlines
20 Apr - 27 Apr	Scandinavian Airlines
11 Apr - 14 Apr	Scandinavian Airlines
21 Apr - 25 Apr	Scandinavian Airlines
30 Apr - 03 May	LOT
17 Apr - 19 Apr	Scandinavian Airlines
24 Apr - 26 Apr	Scandinavian Airlines
04 Apr - 07 Apr	LOT
09 Apr - 11 Apr	LOT
28 Apr - 02 May	Lufthansa

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 150€

Return flights