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

Return flights

10 May - 29 May	Avianca
20 May - 26 May	Avianca
13 May - 24 May	Avianca
20 May - 27 May	Avianca
06 May - 24 May	Avianca
11 May - 27 May	Avianca
11 May - 16 May	Avianca
10 May - 19 May	Avianca
04 May - 25 May	Avianca
05 May - 16 May	Avianca
27 May - 03 Jun	TAP
20 May - 02 Jun	Avianca
19 May - 16 Jun	TAP
11 May - 02 Jun	Avianca
26 May - 09 Jun	TAP
20 May - 18 Jun	TAP
17 May - 07 Jun	LATAM Airlines Group
11 May - 03 Jun	Avianca
28 May - 09 Jun	Avianca
05 May - 03 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 621€

Return flights