AirHint found the following cheapest one-way flights from Lisbon (LIS) to Athens (ATH) in September 2026 (see full year).
One-Way flights
| 24 Sep | easyJet | ||
| 19 Sep | Ryanair | ||
| 15 Sep | Ryanair | ||
| 16 Sep | easyJet | ||
| 22 Sep | Ryanair | ||
| 14 Sep | Ryanair | ||
| 16 Sep | SKY express | direct | |
| 25 Sep | SKY express | direct | |
| 18 Sep | SKY express | direct | |
| 11 Sep | Ryanair |
Also check the deals for return flights from Lisbon to Athens in September.
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