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

Return flights

06 May - 19 May	GOL Linhas Aéreas
05 May - 13 May	Azul Airlines
06 May - 16 May	Azul Airlines
06 May - 14 May	Azul Airlines
23 May - 24 Jun	Azul Airlines
17 May - 30 May	Azul Airlines
22 May - 06 Jun	GOL Linhas Aéreas
06 May - 23 May	GOL Linhas Aéreas
06 May - 21 May	Azul Airlines
11 May - 29 May	GOL Linhas Aéreas
01 May - 20 May	GOL Linhas Aéreas
20 May - 27 May	TAP

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

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 May from 819€

Return flights