AirHint found the following cheapest one-way flights from Rennes (RNS) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 09 Sep | easyJet | ||
| 10 Sep | easyJet | ||
| 03 Sep | easyJet | ||
| 11 Sep | easyJet | ||
| 04 Sep | easyJet | ||
| 02 Sep | Air France | ||
| 06 Sep | easyJet | ||
| 01 Sep | Volotea | ||
| 05 Sep | Volotea |
Also check the deals for return flights from Rennes to Barcelona in September.
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