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

Return flights

09 Sep - 20 Sep	Royal Air Maroc
09 Sep - 23 Sep	Royal Air Maroc
18 Sep - 02 Oct	Royal Air Maroc
11 Sep - 21 Sep	Vueling Airlines
01 Sep - 29 Sep	TAP
15 Sep - 29 Sep	Air Europa
01 Sep - 22 Sep	TAP
14 Sep - 12 Oct	TAP
02 Sep - 20 Sep	Royal Air Maroc
29 Sep - 04 Oct	Turkish Airlines
22 Sep - 27 Sep	Turkish Airlines
01 Sep - 20 Oct	easyJet
09 Sep - 24 Sep	Air Europa
29 Sep - 03 Oct	Turkish Airlines
07 Sep - 13 Sep	Royal Air Maroc
25 Sep - 10 Oct	Turkish Airlines

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

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 London to Sao Paulo in September from 623€

Return flights