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

Return flights

05 Mar - 11 Mar	Air France
24 Mar - 21 Apr	Air France
24 Mar - 22 Apr	Air France
24 Mar - 23 Apr	Air France
05 Mar - 13 Mar	Air France
24 Mar - 24 Apr	Air France
05 Mar - 12 Mar	Air China
02 Mar - 10 Mar	Air China
02 Mar - 08 Mar	Air China
04 Mar - 10 Mar	Air China
30 Mar - 08 Apr	Air China
31 Mar - 07 Apr	Air China
03 Mar - 17 Mar	KLM
10 Mar - 17 Mar	KLM
30 Mar - 03 Apr	Air China
31 Mar - 09 Apr	Lufthansa
25 Mar - 29 Mar	Air China
26 Mar - 03 Apr	Air China
12 Mar - 09 Apr	Air China
23 Mar - 31 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 $566

Return flights