Cheapest return flights from Porto Alegre to London in September from $1064

Best time to book flights for Porto Alegre (POA) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Porto Alegre (POA) to London (LGW) in September 2025 (see full year).

Return flights

09 Sep - 01 Oct Azul Airlines
15 Sep - 14 Oct Azul Airlines
25 Sep - 14 Oct TAP
09 Sep - 24 Sep Emirates
24 Sep - 28 Sep Emirates
15 Sep - 23 Sep Emirates
15 Sep - 25 Sep Emirates
09 Sep - 15 Sep Emirates
10 Sep - 26 Sep Emirates
05 Sep - 27 Sep Emirates
20 Sep - 27 Sep Emirates

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

Skyscanner

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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