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

Return flights

04 Mar - 11 Mar	Air France
30 Mar - 07 Apr	KLM
17 Mar - 07 Apr	Air France
03 Mar - 28 Apr	Air France
03 Mar - 26 Apr	Air France
31 Mar - 08 Apr	Air France
04 Mar - 10 Mar	Air China
28 Mar - 11 Apr	Air China
29 Mar - 30 Apr	Air China
29 Mar - 11 Apr	Air China
30 Mar - 12 Apr	Air China
29 Mar - 07 Apr	Air China
07 Mar - 13 Mar	Air France
24 Mar - 31 Mar	Air China
22 Mar - 29 Mar	Air China
22 Mar - 31 Mar	Air China
16 Mar - 17 Mar	Air China
06 Mar - 17 Mar	Air China
20 Mar - 31 Mar	Air China
14 Mar - 26 Mar	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 485€

Return flights