AirHint found the following cheapest one-way flights from Seoul (GMP) to Barcelona (BCN) in April 2026 (see full year).
One-Way flights
| 20 Apr | Jeju Air | ||
| 08 Apr | Asiana Airlines | ||
| 21 Apr | Asiana Airlines | ||
| 23 Apr | Asiana Airlines | ||
| 07 Apr | Korean Air | ||
| 11 Apr | Asiana Airlines | ||
| 04 Apr | Asiana Airlines | ||
| 24 Apr | Jeju Air | ||
| 05 Apr | Korean Air | ||
| 15 Apr | Air China |
Also check the deals for return flights from Seoul to Barcelona in April.
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