AirHint found the following cheapest one-way flights from Warsaw (WMI) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 23 Sep | Ryanair | direct | |
| 22 Sep | Ryanair | ||
| 20 Sep | Ryanair | ||
| 19 Sep | Ryanair | direct | |
| 16 Sep | Ryanair | ||
| 11 Sep | Ryanair | ||
| 09 Sep | Ryanair | direct | |
| 01 Sep | Ryanair | direct | |
| 02 Sep | Ryanair | direct | |
| 18 Sep | Ryanair |
Also check the deals for return flights from Warsaw to Lisbon in September.
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