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

Return flights

09 Sep - 12 Sep	Wizz Air Malta
06 Sep - 12 Sep	Ryanair
20 Sep - 05 Oct	Ryanair
20 Sep - 24 Sep	Wizz Air Malta
20 Sep - 23 Sep	Wizz Air Malta
16 Sep - 21 Sep	Wizz Air Malta
09 Sep - 22 Sep	Wizz Air Malta
17 Sep - 24 Sep	Ryanair
13 Sep - 17 Sep	Norwegian
08 Sep - 12 Sep	airBaltic
18 Sep - 27 Sep	airBaltic
29 Sep - 04 Oct	airBaltic
30 Sep - 02 Oct	airBaltic
24 Sep - 01 Oct	Ryanair
30 Sep - 07 Oct	airBaltic
29 Sep - 01 Oct	airBaltic
30 Sep - 01 Oct	airBaltic
12 Sep - 08 Oct	airBaltic
19 Sep - 05 Oct	Wizz Air UK
26 Sep - 01 Oct	airBaltic

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

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 September from 112€

Return flights