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

Return flights

23 Mar - 05 Apr	KLM
01 Mar - 15 Mar	Air France
10 Mar - 15 Mar	KLM
11 Mar - 25 Mar	KLM
05 Mar - 12 Mar	Air France
02 Mar - 09 Mar	KLM
03 Mar - 31 Mar	Avianca
08 Mar - 23 Mar	Avianca
10 Mar - 23 Mar	Air Canada
03 Mar - 10 Mar	Avianca
21 Mar - 28 Mar	KLM
31 Mar - 07 Apr	Avianca
30 Mar - 20 Apr	Air Canada
29 Mar - 12 Apr	Air Canada
29 Mar - 11 Apr	Air Canada
06 Mar - 08 Apr	Air Canada
19 Mar - 04 Apr	Air Canada
27 Mar - 16 Apr	Air Canada
25 Mar - 03 Apr	LATAM Airlines Group
28 Mar - 09 Apr	LATAM Airlines Group	direct

Also check the deals for one-way flights from London to Sao Paulo 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 London to Sao Paulo in March from 667€

Return flights