AirHint found the following cheapest one-way flights from Lisbon (LIS) to Athens (ATH) in September 2026 (see full year).
One-Way flights
| 30 Sep | easyJet | ||
| 16 Sep | Vueling Airlines | ||
| 13 Sep | TAP | direct | |
| 16 Sep | TAP | direct | |
| 28 Sep | TAP | ||
| 09 Sep | Vueling Airlines | ||
| 12 Sep | easyJet | ||
| 26 Sep | easyJet | ||
| 29 Sep | easyJet | ||
| 14 Sep | easyJet |
Also check the deals for return flights from Lisbon to Athens in September.
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