AirHint found the following cheapest one-way flights from Athens (ATH) to Lisbon (LIS) in December 2025 (see full year).
One-Way flights
| 09 Dec | easyJet | ||
| 17 Dec | SKY express | direct | |
| 13 Dec | easyJet | ||
| 16 Dec | Ryanair | ||
| 02 Dec | Ryanair | ||
| 11 Dec | easyJet | ||
| 15 Dec | easyJet | ||
| 12 Dec | easyJet | ||
| 01 Dec | Ryanair | ||
| 12 Dec | SKY express | direct |
Also check the deals for return flights from Athens to Lisbon in December.
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