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

Return flights

20 Mar - 31 Mar	Avianca
10 Mar - 15 Mar	Avianca
14 Mar - 24 Mar	TAP
09 Mar - 18 Mar	Avianca
12 Mar - 20 Mar	Avianca
06 Mar - 16 Mar	Avianca
09 Mar - 25 Mar	Avianca
10 Mar - 21 Mar	Avianca
09 Mar - 19 Mar	Avianca
25 Mar - 09 Apr	Avianca
05 Mar - 11 Mar	TAP
10 Mar - 10 Apr	TAP
21 Mar - 12 Apr	TAP
25 Mar - 07 Apr	Avianca
13 Mar - 26 Apr	Avianca
25 Mar - 08 Apr	Avianca
31 Mar - 14 Apr	TAP
29 Mar - 11 Apr	Royal Air Maroc
29 Mar - 13 Apr	Royal Air Maroc
27 Mar - 10 Apr	TAP

Also check the deals for one-way flights from Sao Paulo to London 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 Sao Paulo to London in March from 571€

Return flights