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

Return flights

20 Sep - 17 Oct	LATAM Airlines Group
23 Sep - 14 Oct	LATAM Airlines Group
20 Sep - 27 Sep	LATAM Airlines Group
10 Sep - 29 Oct	LATAM Airlines Group
10 Sep - 08 Oct	LATAM Airlines Group
13 Sep - 20 Sep	LATAM Airlines Group
13 Sep - 21 Sep	LATAM Airlines Group
10 Sep - 15 Oct	LATAM Airlines Group
25 Sep - 13 Oct	LATAM Airlines Group
19 Sep - 22 Sep	LATAM Airlines Group
26 Sep - 29 Sep	Emirates
11 Sep - 28 Sep	Air Europa
11 Sep - 09 Oct	Azul Airlines
11 Sep - 07 Oct	Azul Airlines
13 Sep - 22 Sep	Azul Airlines
10 Sep - 14 Oct	Azul Airlines
26 Sep - 28 Sep	Emirates
17 Sep - 23 Sep	Emirates
10 Sep - 30 Oct	Emirates
17 Sep - 24 Sep	Emirates

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 1048€

Return flights