AirHint found the following cheapest one-way flights from Cologne (CGN) to Lisbon (LIS) in December 2025 (see full year).
One-Way flights
| 31 Dec | Ryanair | ||
| 30 Dec | Pegasus Airlines | ||
| 31 Dec | Eurowings | direct | |
| 29 Dec | AJet | ||
| 28 Dec | Ryanair | ||
| 25 Dec | Eurowings | ||
| 26 Dec | Eurowings | ||
| 27 Dec | AJet | ||
| 29 Dec | Eurowings | direct | |
| 26 Dec | Eurowings | direct |
Also check the deals for return flights from Cologne to Lisbon in December.
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