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

Return flights

02 Mar - 17 Mar	Iberia
11 Mar - 24 Mar	Avianca
01 Mar - 18 Mar	Lufthansa
01 Mar - 10 Mar	Iberia
02 Mar - 19 Mar	Lufthansa
03 Mar - 10 Mar	Avianca
10 Mar - 24 Mar	Avianca
07 Mar - 18 Mar	Avianca
19 Mar - 26 Mar	Lufthansa
03 Mar - 17 Mar	Lufthansa
24 Mar - 14 Apr	TAP
25 Mar - 14 Apr	TAP
18 Mar - 09 Apr	Avianca
23 Mar - 09 Apr	Avianca
12 Mar - 10 Apr	Iberia
30 Mar - 16 Apr	Avianca
20 Mar - 09 Apr	Avianca
23 Mar - 10 Apr	Iberia
26 Mar - 09 Apr	Avianca
31 Mar - 18 Apr	TAP

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 654€

Return flights