Cheapest return POA–LHR flights, September

AirHint found the following cheapest return flights from Porto Alegre (POA) to London (LHR) in September 2026 (see full year).

Return flights

28 Sep - 06 Oct LATAM Airlines Group
18 Sep - 28 Sep LATAM Airlines Group
24 Sep - 10 Oct LATAM Airlines Group
22 Sep - 10 Oct LATAM Airlines Group
09 Sep - 27 Sep Azul Airlines
09 Sep - 24 Sep Azul Airlines
20 Sep - 30 Sep LATAM Airlines Group
08 Sep - 21 Sep TAP
01 Sep - 16 Sep TAP
16 Sep - 08 Oct LATAM Airlines Group
12 Sep - 18 Sep LATAM Airlines Group
01 Sep - 12 Sep GOL Linhas Aéreas
11 Sep - 10 Oct LATAM Airlines Group
12 Sep - 24 Sep LATAM Airlines Group
04 Sep - 16 Sep LATAM Airlines Group
17 Sep - 10 Oct LATAM Airlines Group

Also check the deals for one-way flights from Porto Alegre to London in September.

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