Cheapest return GRU–LHR flights, December

AirHint found the following cheapest return flights from Sao Paulo (GRU) to London (LHR) in December 2026 (see full year).

Return flights

12 Dec - 28 Dec Avianca
09 Dec - 29 Dec Avianca
09 Dec - 10 Jan Avianca
11 Dec - 13 Jan Avianca
01 Dec - 29 Dec Avianca
12 Dec - 05 Jan Avianca
12 Dec - 12 Jan Avianca
10 Dec - 19 Jan Avianca
10 Dec - 05 Jan Avianca
11 Dec - 25 Dec Avianca
11 Dec - 04 Jan Avianca
06 Dec - 09 Jan Avianca
07 Dec - 27 Jan Lufthansa
04 Dec - 24 Dec Avianca
01 Dec - 01 Jan Avianca
04 Dec - 07 Dec Avianca
12 Dec - 24 Dec Avianca
11 Dec - 31 Dec Avianca
01 Dec - 14 Dec ITA Airways
17 Dec - 29 Dec Avianca

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

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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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