AirHint found the following cheapest return flights from Los Angeles (LAX) to Lisbon (LIS) in September 2026 (see full year).
Return flights
| 02 Sep - 11 Sep | Scandinavian Airlines | ||
| 10 Sep - 03 Oct | Air Canada | ||
| 11 Sep - 04 Oct | Iberia | ||
| 11 Sep - 04 Oct | TAP | direct |
Also check the deals for one-way flights from Los Angeles to Lisbon in September.
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