AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Barcelona (BCN) in May 2026 (see full year).
Return flights
| 05 May - 12 May | jetBlue | ||
| 05 May - 15 May | jetBlue | ||
| 03 May - 10 May | Icelandair | ||
| 04 May - 30 May | TAP | ||
| 05 May - 30 May | jetBlue | ||
| 04 May - 20 May | jetBlue | ||
| 28 May - 07 Jun | jetBlue |
Also check the deals for one-way flights from Raleigh-durham to Barcelona in May.
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