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

Return flights

04 May - 14 May	Air Canada
04 May - 12 May	Air Canada
18 May - 28 May	Air Canada
11 May - 18 May	Air Canada
04 May - 11 May	Air Canada
12 May - 26 May	Air Canada
07 May - 20 May	Air Canada
05 May - 12 May	Air Canada
12 May - 24 May	Air Canada
11 May - 27 May	Air Canada
20 May - 03 Jun	British Airways	direct
22 May - 16 Jun	TAP
24 May - 15 Jun	TAP
31 May - 11 Jun	LATAM Airlines Group	direct
29 May - 21 Jun	LATAM Airlines Group	direct
13 May - 01 Jun	LATAM Airlines Group
24 May - 15 Jun	British Airways	direct
22 May - 08 Jun	TAP
23 May - 15 Jun	TAP
20 May - 07 Jun	TAP

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 663€

Return flights