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

Return flights

02 Mar - 17 Mar	Air Canada
08 Mar - 30 Mar	Avianca
18 Mar - 26 Mar	Air Canada
11 Mar - 22 Mar	Air Canada
02 Mar - 10 Mar	Air Canada
11 Mar - 25 Mar	Air Canada
04 Mar - 20 Mar	Air Canada
11 Mar - 29 Mar	Air Canada
11 Mar - 19 Mar	Air Canada
04 Mar - 29 Mar	Air Canada
29 Mar - 11 Apr	Avianca
27 Mar - 19 Apr	Air Canada
11 Mar - 23 Apr	Air Canada
11 Mar - 26 Apr	Air Canada
15 Mar - 26 Apr	Air Canada
23 Mar - 26 Apr	Air Canada
27 Mar - 27 Apr	Air Canada
31 Mar - 11 Apr	Avianca
30 Mar - 15 Apr	TAP
14 Mar - 04 Apr	TAP

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Sao Paulo to London in March from $726

Return flights