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

Return flights

27 Sep - 13 Oct	TAP
27 Sep - 14 Oct	TAP
30 Sep - 14 Oct	TAP
27 Sep - 12 Oct	TAP
29 Sep - 25 Oct	TAP
07 Sep - 13 Sep	Copa
22 Sep - 29 Sep	TAP
12 Sep - 28 Sep	GOL Linhas Aéreas
19 Sep - 22 Sep	TAP
05 Sep - 30 Sep	Copa
21 Sep - 24 Sep	TAP
13 Sep - 28 Sep	LATAM Airlines Group
04 Sep - 17 Sep	TAP
12 Sep - 29 Sep	TAP
11 Sep - 21 Sep	TAP
19 Sep - 09 Oct	TAP
02 Sep - 14 Oct	TAP
04 Sep - 04 Oct	TAP

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 822€

Return flights