AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Barcelona (BCN) in September 2026 (see full year).
Return flights
| 01 Sep - 30 Sep | Icelandair | ||
| 05 Sep - 14 Sep | Icelandair | ||
| 04 Sep - 12 Sep | Icelandair | ||
| 15 Sep - 22 Sep | United | ||
| 04 Sep - 21 Sep | Icelandair | ||
| 25 Sep - 02 Oct | Icelandair | ||
| 05 Sep - 12 Sep | Icelandair |
Also check the deals for one-way flights from Raleigh-durham to Barcelona in September.
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