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

Return flights

25 Mar - 15 Apr	Air China
31 Mar - 14 Apr	Lufthansa
07 Mar - 10 Mar	Lufthansa
02 Mar - 10 Mar	Lufthansa
13 Mar - 17 Mar	Lufthansa
04 Mar - 17 Mar	Lufthansa
06 Mar - 15 Mar	Lufthansa
02 Mar - 15 Mar	Lufthansa
07 Mar - 15 Mar	Lufthansa
08 Mar - 15 Mar	Lufthansa
09 Mar - 17 Mar	Lufthansa
08 Mar - 17 Mar	Lufthansa
25 Mar - 29 Apr	Lufthansa
03 Mar - 16 Apr	Lufthansa
27 Mar - 07 Apr	Lufthansa
30 Mar - 09 Apr	Lufthansa
31 Mar - 06 Apr	Lufthansa
27 Mar - 06 Apr	Lufthansa
26 Mar - 07 Apr	Lufthansa
30 Mar - 06 Apr	Lufthansa

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Seoul to Barcelona in March from 455€

Return flights