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

Return flights

15 Dec - 31 Dec	LATAM Airlines Group
02 Dec - 09 Dec	TAP
23 Dec - 06 Jan	LATAM Airlines Group
30 Dec - 11 Jan	LATAM Airlines Group
17 Dec - 02 Jan	Lufthansa
16 Dec - 12 Jan	Lufthansa
16 Dec - 01 Jan	Azul Airlines
31 Dec - 12 Jan	LATAM Airlines Group
26 Dec - 04 Jan	LATAM Airlines Group
18 Dec - 29 Dec	TAP
17 Dec - 25 Dec	Azul Airlines
13 Dec - 27 Dec	TAP
18 Dec - 26 Dec	LATAM Airlines Group
24 Dec - 06 Jan	Azul Airlines
22 Dec - 10 Jan	LATAM Airlines Group
26 Dec - 13 Jan	TAP
15 Dec - 22 Dec	Lufthansa
10 Dec - 19 Dec	Lufthansa

Also check the deals for one-way flights from Curitiba 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 Curitiba to London in December from $1037

Return flights