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

Return flights

07 May - 11 May	Air Canada
14 May - 19 May	Air Canada
12 May - 26 May	Air Canada
04 May - 28 May	Air Canada
11 May - 18 May	Air Canada
11 May - 21 May	Air Canada
05 May - 19 May	Air Canada
04 May - 18 May	Air Canada
06 May - 27 May	Air Canada
06 May - 13 May	Air Canada
21 May - 03 Jun	Avianca
27 May - 17 Jun	Avianca
23 May - 02 Jun	Avianca
29 May - 12 Jun	Avianca
19 May - 05 Jun	Avianca
29 May - 15 Jun	Avianca
20 May - 02 Jun	Avianca
30 May - 13 Jun	Avianca
26 May - 02 Jun	Avianca
25 May - 08 Jun	Avianca

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 651€

Return flights