AirHint found the following cheapest one-way flights from Cologne (CGN) to Lisbon (LIS) in August 2026 (see full year).
One-Way flights
| 13 Aug | Ryanair | direct | |
| 11 Aug | Eurowings | ||
| 10 Aug | Eurowings | ||
| 11 Aug | Eurowings | direct | |
| 10 Aug | Eurowings | direct |
Also check the deals for return flights from Cologne to Lisbon in August.
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