Cheapest return GMP–BCN flights, May

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

Return flights

28 May - 04 Jun Air China
23 May - 08 Jun Asiana Airlines
21 May - 03 Jun Japan Airlines
23 May - 04 Jun Japan Airlines
25 May - 04 Jun Japan Airlines
24 May - 03 Jun Japan Airlines
25 May - 02 Jun Japan Airlines
22 May - 03 Jun Japan Airlines
25 May - 03 Jun Japan Airlines
26 May - 05 Jun Korean Air
25 May - 29 May Japan Airlines
23 May - 30 May Japan Airlines
21 May - 30 May Japan Airlines
21 May - 29 May Japan Airlines
24 May - 30 May Japan Airlines
22 May - 26 May EVA Air
21 May - 26 May Japan Airlines
23 May - 29 May Japan Airlines
23 May - 26 May Japan Airlines
25 May - 27 May Japan Airlines

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

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