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

Return flights

06 Mar - 17 Mar	Iberia
02 Mar - 17 Mar	Iberia
05 Mar - 12 Mar	Iberia
02 Mar - 11 Mar	Iberia
02 Mar - 19 Mar	TAP
05 Mar - 21 Mar	Iberia
16 Mar - 30 Mar	Lufthansa
03 Mar - 22 Mar	Iberia
04 Mar - 26 Mar	Lufthansa
12 Mar - 26 Mar	Lufthansa
17 Mar - 14 Apr	Iberia
10 Mar - 16 Apr	Iberia
30 Mar - 06 Apr	TAP
19 Mar - 19 Apr	Avianca
25 Mar - 15 Apr	TAP
16 Mar - 06 Apr	TAP
24 Mar - 15 Apr	TAP
11 Mar - 30 Apr	Avianca
23 Mar - 20 Apr	Avianca
18 Mar - 02 Apr	Lufthansa

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 670€

Return flights