AirHint found the following cheapest return flights from Seoul (GMP) to Barcelona (BCN) in June 2026 (see full year).

Return flights

11 Jun - 19 Jun	Air China
12 Jun - 19 Jun	Air China
04 Jun - 11 Jun	Air China
12 Jun - 21 Jun	Air China
16 Jun - 24 Jun	Air China
15 Jun - 24 Jun	Air China
18 Jun - 25 Jun	Air China
03 Jun - 10 Jun	Air China
28 Jun - 07 Jul	Air China
14 Jun - 25 Jun	Air China
05 Jun - 14 Jun	Air China
19 Jun - 03 Jul	Air China
25 Jun - 02 Jul	Air China
28 Jun - 09 Jul	Air China

Also check the deals for one-way flights from Seoul to Barcelona in June.

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.

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Cheapest return flights from Seoul to Barcelona in June from 598€

Return flights