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

Return flights

03 Mar - 14 Mar	TAP
06 Mar - 28 Mar	TAP
19 Mar - 28 Mar	TAP
07 Mar - 20 Mar	Vueling Airlines
19 Mar - 09 Apr	TAP
18 Mar - 25 Mar	Royal Air Maroc
03 Mar - 19 Mar	Vueling Airlines
11 Mar - 25 Mar	Royal Air Maroc
30 Mar - 20 Apr	Vueling Airlines
10 Mar - 24 Mar	Avianca
03 Mar - 24 Mar	Avianca
07 Mar - 24 Mar	Avianca
17 Mar - 02 Apr	TAP
11 Mar - 09 Apr	TAP
04 Mar - 02 Apr	TAP
02 Mar - 16 Apr	TAP
13 Mar - 02 Apr	TAP
12 Mar - 02 Apr	TAP
14 Mar - 02 Apr	TAP
13 Mar - 07 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 $778

Return flights