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

Return flights

08 Mar - 21 Mar	Avianca
19 Mar - 22 Mar	Air Canada
20 Mar - 29 Mar	Avianca
13 Mar - 29 Mar	Avianca
10 Mar - 14 Mar	Avianca
10 Mar - 23 Mar	Avianca
12 Mar - 23 Mar	Avianca
10 Mar - 15 Mar	Avianca
10 Mar - 17 Mar	Avianca
09 Mar - 15 Mar	Avianca
29 Mar - 06 Apr	Avianca
13 Mar - 26 Apr	Avianca
10 Mar - 07 Apr	Avianca
26 Mar - 26 Apr	Avianca
13 Mar - 11 Apr	Avianca
09 Mar - 09 Apr	Avianca
31 Mar - 11 Apr	Avianca
31 Mar - 23 Apr	Avianca
31 Mar - 09 Apr	Avianca
27 Mar - 20 Apr	Air Canada

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 592€

Return flights