AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (EZE) in September 2026 (see full year).
Return flights
| 02 Sep - 15 Oct | Lufthansa | ||
| 02 Sep - 12 Sep | Lufthansa | ||
| 02 Sep - 03 Sep | Lufthansa | ||
| 02 Sep - 02 Sep | LATAM Airlines Group |
Also check the deals for one-way flights from Lisbon to Buenos Aires in September.
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