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

Return flights

28 Sep - 13 Oct	GOL Linhas Aéreas
29 Sep - 13 Oct	LATAM Airlines Group
24 Sep - 01 Oct	LATAM Airlines Group
27 Sep - 13 Oct	LATAM Airlines Group
27 Sep - 14 Oct	LATAM Airlines Group
27 Sep - 12 Oct	LATAM Airlines Group
25 Sep - 23 Oct	GOL Linhas Aéreas
22 Sep - 20 Oct	LATAM Airlines Group
21 Sep - 25 Sep	LATAM Airlines Group
21 Sep - 24 Oct	LATAM Airlines Group
19 Sep - 23 Sep	TAP
22 Sep - 29 Sep	GOL Linhas Aéreas
19 Sep - 09 Oct	GOL Linhas Aéreas

Also check the deals for one-way flights from Brasilia 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 Brasilia to London in September from 896€

Return flights