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

Return flights

05 May - 12 May	Avianca
01 May - 18 May	Avianca
20 May - 02 Jun	Royal Air Maroc
12 May - 22 May	TAP
19 May - 04 Jun	Royal Air Maroc
08 May - 28 May	Royal Air Maroc
01 May - 11 May	Avianca
06 May - 11 May	Avianca
01 May - 14 May	Avianca
05 May - 19 May	Avianca
11 May - 16 May	Avianca
09 May - 17 Jun	TAP
10 May - 19 May	Avianca
19 May - 16 Jun	Royal Air Maroc
27 May - 06 Jun	Royal Air Maroc
27 May - 11 Jun	Royal Air Maroc
27 May - 03 Jun	TAP
15 May - 16 Jun	LATAM Airlines Group
27 May - 17 Jun	TAP
26 May - 06 Jun	Royal Air Maroc

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

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 Sao Paulo to London in May from $787

Return flights