AirHint found the following cheapest one-way flights from Rome (CIA) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 22 Sep | Ryanair | ||
| 04 Sep | Ryanair | ||
| 21 Sep | Ryanair | ||
| 28 Sep | Ryanair | ||
| 03 Sep | Ryanair |
Also check the deals for return flights from Rome to Barcelona in September.
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