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

Return flights

19 Jul - 22 Aug	LATAM Airlines Group
19 Jul - 23 Aug	LATAM Airlines Group
26 Jul - 13 Aug	TAP
26 Jul - 02 Aug	TAP
17 Jul - 31 Jul	GOL Linhas Aéreas
14 Jul - 01 Aug	GOL Linhas Aéreas
14 Jul - 31 Jul	GOL Linhas Aéreas
14 Jul - 30 Jul	GOL Linhas Aéreas
21 Jul - 31 Jul	GOL Linhas Aéreas
10 Jul - 31 Jul	LATAM Airlines Group
16 Jul - 31 Jul	LATAM Airlines Group
17 Jul - 01 Aug	GOL Linhas Aéreas
25 Jul - 30 Jul	LATAM Airlines Group
21 Jul - 30 Jul	LATAM Airlines Group

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Porto Alegre to London in July from 909€

Return flights