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

Return flights

11 Sep - 13 Sep	airBaltic	direct
12 Sep - 13 Sep	airBaltic
09 Sep - 14 Sep	Norwegian Air Sweden AOC
14 Sep - 25 Sep	airBaltic
08 Sep - 13 Sep	airBaltic
11 Sep - 15 Sep	airBaltic
15 Sep - 17 Sep	Norwegian
03 Sep - 06 Sep	easyJet

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 $194

Return flights