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

Return flights

14 Apr - 04 May	Air Canada
27 Apr - 14 May	Air Canada
27 Apr - 04 May	Air Canada
28 Apr - 13 May	Air Canada
14 Apr - 28 Apr	Air Canada
14 Apr - 27 Apr	Air Canada
27 Apr - 13 May	Air Canada
07 Apr - 07 May	Royal Air Maroc
14 Apr - 21 Apr	Air Canada
22 Apr - 28 Apr	Air Canada
22 Apr - 27 Apr	Air Canada
20 Apr - 28 Apr	Air Canada
23 Apr - 13 May	Air Canada
14 Apr - 22 Apr	Air Canada
29 Apr - 25 May	Air Canada
13 Apr - 28 Apr	Air Canada
24 Apr - 05 May	TAP
14 Apr - 12 May	Air Canada
15 Apr - 20 Apr	Air Canada
08 Apr - 16 Apr	Air Canada

Also check the deals for one-way flights from Sao Paulo to London in April.

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 April from 634€

Return flights