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

Return flights

10 Mar - 24 Mar	Avianca
10 Mar - 16 Mar	Avianca
16 Mar - 23 Mar	Avianca
09 Mar - 19 Mar	Avianca
02 Mar - 09 Mar	Avianca
09 Mar - 16 Mar	Avianca
01 Mar - 15 Mar	Avianca
17 Mar - 31 Mar	TAP
09 Mar - 30 Mar	Avianca
24 Mar - 31 Mar	TAP
27 Mar - 10 Apr	LATAM Airlines Group	direct
16 Mar - 09 Apr	Avianca
16 Mar - 09 Apr	LATAM Airlines Group	direct
27 Mar - 17 Apr	LATAM Airlines Group	direct
17 Mar - 06 Apr	LATAM Airlines Group	direct
31 Mar - 09 Apr	TAP
30 Mar - 13 Apr	TAP
27 Mar - 06 Apr	Air Canada

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 556€

Return flights