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

Return flights

03 Mar - 11 Mar	Air China
03 Mar - 10 Mar	Air China
29 Mar - 31 Mar	Air China
12 Mar - 23 Mar	Air China
03 Mar - 07 Apr	Air China
01 Mar - 23 Mar	Air China
14 Mar - 24 Mar	Air China
12 Mar - 20 Mar	Air China
16 Mar - 25 Mar	Air China
12 Mar - 21 Mar	Air China
26 Mar - 28 Mar	Air China
23 Mar - 03 Apr	Air China
21 Mar - 04 Apr	Air China
22 Mar - 04 Apr	Air China
22 Mar - 10 Apr	Air China
04 Mar - 08 Apr	Air China

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

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 March from $581

Return flights