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

Return flights

08 Dec - 14 Dec	TAP
06 Dec - 14 Dec	TAP
06 Dec - 08 Dec	easyJet
06 Dec - 30 Jan	TAP
07 Dec - 15 Dec	TAP
10 Dec - 29 Jan	Vueling Airlines
08 Dec - 15 Dec	TAP
29 Dec - 29 Jan	TAP
06 Dec - 15 Dec	TAP
31 Dec - 24 Jan	TAP
29 Dec - 24 Jan	TAP
28 Dec - 28 Jan	TAP
08 Dec - 17 Dec	TAP
06 Dec - 17 Dec	TAP
30 Dec - 29 Jan	Air Europa
06 Dec - 09 Dec	Air Europa
06 Dec - 13 Dec	Air Europa
29 Dec - 25 Jan	TAP
27 Dec - 30 Jan	Air Europa
10 Dec - 24 Jan	easyJet

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 662€

Return flights