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

Return flights

31 Dec - 31 Jan	easyJet
30 Dec - 31 Jan	easyJet
26 Dec - 20 Jan	Ryanair
26 Dec - 27 Jan	Ryanair
24 Dec - 20 Jan	easyJet
29 Dec - 31 Jan	easyJet
27 Dec - 27 Jan	easyJet
31 Dec - 20 Jan	easyJet
04 Dec - 07 Dec	easyJet
19 Dec - 23 Jan	Ryanair
23 Dec - 18 Jan	easyJet
08 Dec - 27 Dec	easyJet
09 Dec - 16 Dec	easyJet
05 Dec - 21 Dec	easyJet
09 Dec - 17 Dec	easyJet
02 Dec - 09 Dec	easyJet
08 Dec - 30 Dec	easyJet
03 Dec - 10 Dec	easyJet
19 Dec - 26 Dec	easyJet
01 Dec - 19 Dec	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 765€

Return flights