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

Return flights

10 Mar - 25 Mar	British Airways
05 Mar - 11 Mar	British Airways
08 Mar - 30 Mar	British Airways
15 Mar - 25 Mar	British Airways
01 Mar - 08 Mar	British Airways
18 Mar - 26 Mar	TAP
23 Mar - 31 Mar	TAP
14 Mar - 26 Mar	TAP
01 Mar - 19 Mar	TAP
20 Mar - 28 Mar	TAP
19 Mar - 02 Apr	TAP
13 Mar - 02 Apr	TAP
17 Mar - 02 Apr	TAP
20 Mar - 07 Apr	TAP
02 Mar - 02 Apr	TAP
18 Mar - 07 Apr	TAP
19 Mar - 07 Apr	TAP
21 Mar - 07 Apr	TAP
23 Mar - 07 Apr	TAP
15 Mar - 02 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 616€

Return flights