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

Return flights

02 Sep - 09 Sep	Wizz Air Malta
08 Sep - 11 Sep	Vueling Airlines
16 Sep - 23 Sep	Wizz Air Malta
09 Sep - 11 Sep	Wizz Air Malta
08 Sep - 13 Sep	Vueling Airlines
03 Sep - 08 Oct	Norwegian Air Sweden AOC
18 Sep - 29 Sep	airBaltic
08 Sep - 12 Sep	Vueling Airlines
16 Sep - 18 Sep	Wizz Air Malta
18 Sep - 22 Sep	airBaltic
25 Sep - 29 Sep	airBaltic
27 Sep - 01 Oct	Ryanair
30 Sep - 02 Oct	airBaltic
30 Sep - 02 Oct	airBaltic	direct
30 Sep - 03 Oct	airBaltic
29 Sep - 01 Oct	airBaltic
29 Sep - 02 Oct	airBaltic
28 Sep - 01 Oct	Wizz Air UK

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 123€

Return flights