Cheapest return flights from Sao Paulo to London in September from 776€

Best time to book flights for Sao Paulo (GRU) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Sao Paulo (GRU) to London (LHR) in September 2025 (see full year).

Return flights

16 Sep - 29 Sep Air China
18 Sep - 27 Sep Avianca
22 Sep - 29 Sep Avianca
18 Sep - 30 Sep Avianca
23 Sep - 07 Oct Avianca
17 Sep - 23 Sep Avianca
17 Sep - 24 Sep Avianca
17 Sep - 25 Sep Avianca
26 Sep - 04 Oct Avianca
30 Sep - 08 Oct Avianca
24 Sep - 01 Oct Avianca
21 Sep - 28 Sep Avianca
17 Sep - 26 Sep Avianca
17 Sep - 27 Sep Avianca
24 Sep - 05 Oct Avianca
23 Sep - 06 Oct Avianca
29 Sep - 06 Oct Avianca
17 Sep - 10 Oct Air Canada
15 Sep - 06 Oct Air Canada
26 Sep - 13 Oct Air Canada

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

Skyscanner

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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