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

Return flights

01 May - 08 May	LATAM Airlines Group	direct
04 May - 11 May	Air Canada
23 May - 06 Jun	Air Canada
11 May - 21 May	Air Canada
05 May - 15 May	LATAM Airlines Group
15 May - 29 May	LATAM Airlines Group
11 May - 25 May	Air Canada
05 May - 18 May	Air Canada
05 May - 14 May	Air Canada
12 May - 28 May	Air Canada
09 May - 24 May	Air Canada
12 May - 02 Jun	Air Canada
21 May - 20 Jun	British Airways
29 May - 02 Jun	Iberia
15 May - 05 Jun	Iberia
29 May - 08 Jun	TAP
29 May - 02 Jun	British Airways	direct

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 $825

Return flights