AirHint found the following cheapest one-way flights from Kos (KGS) to Barcelona (BCN) in August 2025 (see full year).
One-Way flights
| 28 Aug | Ryanair | ||
| 19 Aug | Condor | ||
| 27 Aug | Eurowings | ||
| 25 Aug | Condor | ||
| 18 Aug | Condor | ||
| 23 Aug | TUI fly Belgium | ||
| 17 Aug | Eurowings | ||
| 22 Aug | Condor |
Also check the deals for return flights from Kos to Barcelona in August.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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