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

Return flights

09 Mar - 29 Mar	Avianca
11 Mar - 19 Mar	Avianca
03 Mar - 16 Mar	Air China
02 Mar - 17 Mar	Avianca
02 Mar - 16 Mar	Avianca
02 Mar - 23 Mar	Avianca
02 Mar - 19 Mar	Avianca
04 Mar - 16 Mar	Avianca
09 Mar - 16 Mar	Avianca
02 Mar - 11 Mar	Avianca
23 Mar - 20 Apr	British Airways	direct
31 Mar - 30 Apr	TAP
30 Mar - 22 Apr	TAP
02 Mar - 14 Apr	Avianca
19 Mar - 01 Apr	British Airways
27 Mar - 26 Apr	Air Canada
20 Mar - 05 Apr	Air Canada
26 Mar - 26 Apr	Air Canada
25 Mar - 03 Apr	Air Canada
02 Mar - 14 Apr	LATAM Airlines Group	direct

Also check the deals for one-way flights from Sao Paulo to London in March.

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 March from 569€

Return flights