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

Return flights

11 Mar - 19 Mar	Avianca
04 Mar - 16 Mar	Avianca
10 Mar - 17 Mar	Avianca
12 Mar - 17 Mar	Avianca
10 Mar - 16 Mar	Avianca
12 Mar - 21 Mar	Avianca
10 Mar - 21 Mar	TAP
19 Mar - 22 Mar	Air Canada
16 Mar - 23 Mar	Air Canada
04 Mar - 09 Mar	Avianca
18 Mar - 08 Apr	TAP
22 Mar - 14 Apr	TAP
02 Mar - 14 Apr	Air Canada
18 Mar - 13 Apr	TAP
30 Mar - 06 Apr	Avianca
24 Mar - 07 Apr	TAP
24 Mar - 15 Apr	Avianca
26 Mar - 26 Apr	Avianca
24 Mar - 27 Apr	Avianca
19 Mar - 27 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 584€

Return flights