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

Return flights

01 Dec - 02 Dec	airBaltic
31 Dec - 10 Jan	airBaltic
06 Dec - 11 Dec	airBaltic
11 Dec - 15 Dec	Norwegian
11 Dec - 16 Dec	Norwegian
11 Dec - 18 Dec	Norwegian
11 Dec - 14 Dec	Norwegian
11 Dec - 12 Dec	airBaltic
13 Dec - 14 Dec	airBaltic
02 Dec - 05 Dec	airBaltic
01 Dec - 05 Dec	airBaltic
31 Dec - 05 Jan	airBaltic
08 Dec - 04 Jan	airBaltic
24 Dec - 03 Jan	easyJet
29 Dec - 01 Jan	Wizz Air
17 Dec - 01 Jan	Norwegian Air Sweden AOC
30 Dec - 04 Jan	airBaltic
30 Dec - 05 Jan	airBaltic
30 Dec - 03 Jan	easyJet
29 Dec - 02 Jan	airBaltic

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

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 December from $76

Return flights