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

Return flights

10 Mar - 18 Mar	Scandinavian Airlines
03 Mar - 09 Mar	Scandinavian Airlines
14 Mar - 25 Mar	LOT
02 Mar - 16 Mar	LOT
02 Mar - 21 Mar	Air China
15 Mar - 28 Mar	Lufthansa
10 Mar - 16 Mar	Air China
17 Mar - 31 Mar	Lufthansa
03 Mar - 24 Mar	Air China
12 Mar - 02 Apr	Air China
12 Mar - 16 Apr	Air China
11 Mar - 15 Apr	Air China
15 Mar - 22 Mar	Vueling Airlines
16 Mar - 27 Apr	Air China
17 Mar - 28 Apr	Lufthansa
09 Mar - 03 Apr	Air China
24 Mar - 09 Apr	Air China
18 Mar - 08 Apr	KLM
31 Mar - 14 Apr	LOT
29 Mar - 14 Apr	LOT

Also check the deals for one-way flights from Barcelona to Seoul 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 Barcelona to Seoul in March from 510€

Return flights