AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to London (LHR) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct	GOL Linhas Aéreas
24 Sep - 28 Oct	GOL Linhas Aéreas
24 Sep - 05 Oct	GOL Linhas Aéreas
24 Sep - 29 Oct	GOL Linhas Aéreas
25 Sep - 13 Oct	GOL Linhas Aéreas
24 Sep - 07 Oct	GOL Linhas Aéreas
22 Sep - 29 Sep	GOL Linhas Aéreas
30 Sep - 14 Oct	GOL Linhas Aéreas
30 Sep - 28 Oct	GOL Linhas Aéreas
29 Sep - 26 Oct	GOL Linhas Aéreas
26 Sep - 29 Oct	LATAM Airlines Group
25 Sep - 30 Sep	GOL Linhas Aéreas
23 Sep - 28 Sep	GOL Linhas Aéreas
17 Sep - 18 Sep	Air France
26 Sep - 28 Sep	GOL Linhas Aéreas
17 Sep - 24 Sep	Air France
22 Sep - 28 Sep	GOL Linhas Aéreas
17 Sep - 19 Sep	Air France
17 Sep - 22 Sep	Copa
16 Sep - 17 Sep	Air France

Also check the deals for one-way flights from Rio De Janeiro to London 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 Rio De Janeiro to London in September from 666€

Return flights