AirHint found the following cheapest one-way flights from Porto Alegre (POA) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 06 Sep | Azul Airlines | ||
| 05 Sep | GOL Linhas Aéreas | ||
| 06 Sep | TAP | direct |
Also check the deals for return flights from Porto Alegre to Lisbon in September.
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