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

Return flights

09 Mar - 16 Mar	Avianca
04 Mar - 11 Mar	TAP
09 Mar - 25 Mar	Avianca
10 Mar - 21 Mar	Avianca
10 Mar - 17 Mar	TAP
09 Mar - 19 Mar	Avianca
10 Mar - 19 Mar	Avianca
25 Mar - 09 Apr	Avianca
09 Mar - 18 Mar	Avianca
05 Mar - 11 Mar	TAP
14 Mar - 30 Mar	TAP
26 Mar - 07 Apr	TAP
13 Mar - 26 Apr	Avianca
25 Mar - 07 Apr	Avianca
25 Mar - 08 Apr	Avianca
29 Mar - 11 Apr	Royal Air Maroc
29 Mar - 13 Apr	Royal Air Maroc
10 Mar - 07 Apr	Avianca
24 Mar - 01 Apr	Avianca
25 Mar - 13 Apr	Avianca

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 $631

Return flights