AirHint found the following cheapest return flights from Florianopolis (FLN) to London (LHR) in December 2025 (see full year).

Return flights

12 Dec - 12 Jan	LATAM Airlines Group
15 Dec - 21 Jan	LATAM Airlines Group
15 Dec - 12 Jan	LATAM Airlines Group
03 Dec - 12 Dec	GOL Linhas Aéreas
22 Dec - 18 Jan	Lufthansa
17 Dec - 06 Jan	LATAM Airlines Group
20 Dec - 23 Dec	LATAM Airlines Group
07 Dec - 12 Dec	GOL Linhas Aéreas
25 Dec - 03 Jan	Lufthansa
20 Dec - 07 Jan	Lufthansa
27 Dec - 14 Jan	Lufthansa
27 Dec - 13 Jan	Lufthansa
17 Dec - 22 Dec	Lufthansa
21 Dec - 04 Jan	GOL Linhas Aéreas

Also check the deals for one-way flights from Florianopolis to London 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 Florianopolis to London in December from $872

Return flights