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

Return flights

01 May - 16 May	Avianca
01 May - 14 May	Avianca
08 May - 16 May	Avianca
01 May - 17 May	Avianca
05 May - 16 May	Avianca
21 May - 28 May	Avianca
12 May - 28 May	Avianca
04 May - 18 May	Avianca
04 May - 20 May	Avianca
05 May - 21 May	Avianca
19 May - 02 Jun	Royal Air Maroc
15 May - 06 Jun	TAAG Angola Airlines
19 May - 06 Jun	Royal Air Maroc
15 May - 07 Jun	TAAG Angola Airlines
26 May - 09 Jun	Royal Air Maroc
26 May - 13 Jun	Royal Air Maroc
01 May - 01 Jun	Royal Air Maroc
19 May - 08 Jun	TAP
25 May - 07 Jun	TAP
20 May - 02 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 $810

Return flights