AirHint found the following cheapest one-way flights from Seoul (ICN) to Barcelona (BCN) in October 2025 (see full year).
One-Way flights
| 22 Oct | China Eastern | ||
| 24 Oct | Air China | ||
| 20 Oct | China Eastern | ||
| 31 Oct | T'way Air | ||
| 30 Oct | Air China | ||
| 21 Oct | Air China | ||
| 25 Oct | China Eastern | ||
| 19 Oct | China Southern | ||
| 24 Oct | T'way Air | direct | |
| 26 Oct | China Southern |
Also check the deals for return flights from Seoul to Barcelona in October.
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