AirHint found the following cheapest one-way flights from Seoul (GMP) to Barcelona (BCN) in September 2025 (see full year).
One-Way flights
| 21 Sep | Air Busan | ||
| 17 Sep | Jeju Air | ||
| 05 Sep | Air China | ||
| 09 Sep | Air China | ||
| 20 Sep | China Eastern | ||
| 08 Sep | Jin Air | ||
| 18 Sep | Air China | ||
| 10 Sep | Air China | ||
| 29 Sep | China Eastern | ||
| 13 Sep | Air China |
Also check the deals for return flights from Seoul to Barcelona in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media