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

Return flights

10 Mar - 22 Mar	Avianca
13 Mar - 22 Mar	Royal Air Maroc
12 Mar - 15 Mar	Air Canada
17 Mar - 25 Mar	TAP
04 Mar - 14 Mar	Avianca
04 Mar - 10 Mar	Avianca
01 Mar - 15 Mar	Air Canada
16 Mar - 25 Mar	Air Canada
09 Mar - 25 Mar	Air Canada
03 Mar - 24 Mar	Air Canada
24 Mar - 12 Apr	Avianca
19 Mar - 14 Apr	Avianca
19 Mar - 16 Apr	Avianca
27 Mar - 16 Apr	Air Canada
16 Mar - 28 Apr	Air Canada
16 Mar - 23 Apr	Air Canada
25 Mar - 07 Apr	Avianca
16 Mar - 17 Apr	Air Canada
18 Mar - 27 Apr	Avianca
21 Mar - 12 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 565€

Return flights