AirHint found the following cheapest return flights from London (LON) to Sao Paulo (GRU) in December 2025 (see full year).

Return flights

04 Dec - 09 Dec	easyJet
02 Dec - 07 Dec	Air France
04 Dec - 08 Dec	Wizz Air Malta
05 Dec - 07 Dec	Ryanair
02 Dec - 09 Dec	TAP
05 Dec - 09 Dec	TAP
01 Dec - 07 Dec	Air France
04 Dec - 10 Dec	TAP
03 Dec - 08 Dec	ITA Airways
29 Dec - 30 Jan	TAP
29 Dec - 24 Jan	TAP
03 Dec - 07 Dec	ITA Airways
31 Dec - 24 Jan	TAP
29 Dec - 29 Jan	Air Europa
29 Dec - 28 Jan	Air Europa
03 Dec - 26 Jan	Lufthansa
02 Dec - 25 Jan	easyJet
25 Dec - 24 Jan	TAP
29 Dec - 26 Jan	Air Europa
06 Dec - 22 Jan	TAP

Also check the deals for one-way flights from London to Sao Paulo 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 Sao Paulo in December from 624€

Return flights