AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (EZE) in September 2026 (see full year).
Return flights
| 01 Sep - 28 Sep | LATAM Airlines Group | ||
| 19 Sep - 03 Oct | LATAM Airlines Group | ||
| 14 Sep - 02 Oct | Iberia | ||
| 18 Sep - 21 Sep | Turkish Airlines | ||
| 04 Sep - 18 Sep | Iberia | ||
| 12 Sep - 24 Sep | KLM |
Also check the deals for one-way flights from Lisbon to Buenos Aires in September.
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