AirHint found the following cheapest one-way flights from Los Angeles (LAX) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 12 Sep | Frontier Airlines | ||
| 25 Sep | LEVEL | ||
| 14 Sep | Alaska Airlines | ||
| 22 Sep | Iberia | ||
| 28 Sep | LEVEL | ||
| 07 Sep | Lufthansa | ||
| 29 Sep | Air France | ||
| 27 Sep | Aer Lingus | ||
| 02 Sep | WestJet | ||
| 15 Sep | KLM |
Also check the deals for return flights from Los Angeles to Lisbon in September.
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