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

Return flights

09 Mar - 19 Mar	Air Canada
02 Mar - 23 Mar	Air Canada
15 Mar - 24 Mar	Air Canada
09 Mar - 16 Mar	Air Canada
06 Mar - 21 Mar	Air Canada
19 Mar - 04 Apr	LATAM Airlines Group
06 Mar - 20 Mar	Air Canada
10 Mar - 20 Mar	Air Canada
02 Mar - 09 Mar	LATAM Airlines Group
13 Mar - 24 Mar	LATAM Airlines Group
02 Mar - 25 Mar	Air Canada
05 Mar - 04 Apr	SWISS
28 Mar - 12 Apr	Air Canada
24 Mar - 04 Apr	Air Canada
27 Mar - 03 Apr	Air Canada
24 Mar - 03 Apr	Air Canada
05 Mar - 04 Apr	LATAM Airlines Group	direct
28 Mar - 11 Apr	Air Canada
14 Mar - 04 Apr	Air Canada
27 Mar - 05 Apr	SWISS

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 $812

Return flights