We have prepared for you the list of the cheapest deals for Ryanair flight from Rome (FCO) to Kos (KGS) by the month of departure.
Cheapest flights for July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 23 Jul 2025 | 143 € | Book Now |
| 28 Jul 2025 | 145 € | Book Now |
| 21 Jul 2025 | 201 € | Book Now |
| 30 Jul 2025 | 222 € | Book Now |
| 25 Jul 2025 | 291 € | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 25 Aug 2025 | 30 € | Book Now |
| 27 Aug 2025 | 30 € | Book Now |
| 29 Aug 2025 | 40 € | Book Now |
| 22 Aug 2025 | 63 € | Book Now |
| 20 Aug 2025 | 125 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 17 Sep 2025 | 25 € | Book Now |
| 24 Sep 2025 | 25 € | Book Now |
| 26 Sep 2025 | 25 € | Book Now |
| 10 Sep 2025 | 27 € | Book Now |
| 19 Sep 2025 | 27 € | Book Now |
The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.
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