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

Return flights

22 Jul - 26 Aug	GOL Linhas Aéreas
30 Jul - 19 Aug	LATAM Airlines Group
24 Jul - 22 Aug	LATAM Airlines Group
11 Jul - 30 Aug	TAP
26 Jul - 09 Aug	LATAM Airlines Group
23 Jul - 06 Aug	LATAM Airlines Group
08 Jul - 10 Jul	TAP
19 Jul - 15 Aug	LATAM Airlines Group
29 Jul - 09 Aug	LATAM Airlines Group
14 Jul - 18 Jul	TAP
09 Jul - 16 Jul	TAP
09 Jul - 23 Jul	LATAM Airlines Group
20 Jul - 29 Jul	TAP
20 Jul - 28 Jul	TAP
11 Jul - 18 Jul	LATAM Airlines Group
12 Jul - 27 Jul	Sky Airline
13 Jul - 27 Jul	TAP
18 Jul - 28 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.

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Cheapest return flights from Porto Alegre to London in July from 751€

Return flights