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

Return flights

02 Dec - 04 Dec	airBaltic	direct
01 Dec - 03 Dec	airBaltic
02 Dec - 06 Dec	airBaltic	direct
11 Dec - 15 Dec	airBaltic
11 Dec - 14 Dec	airBaltic
11 Dec - 13 Dec	airBaltic
10 Dec - 13 Dec	airBaltic
07 Dec - 09 Dec	airBaltic
08 Dec - 12 Dec	airBaltic
10 Dec - 17 Dec	airBaltic
30 Dec - 15 Jan	airBaltic	direct
16 Dec - 10 Jan	Norwegian Air Sweden AOC
16 Dec - 10 Jan	airBaltic	direct
28 Dec - 13 Jan	Norwegian
30 Dec - 01 Jan	airBaltic
30 Dec - 03 Jan	airBaltic	direct
27 Dec - 01 Jan	airBaltic
23 Dec - 03 Jan	airBaltic	direct
27 Dec - 03 Jan	airBaltic	direct
28 Dec - 03 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 $164

Return flights