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

Return flights

13 Mar - 21 Mar	Air France
14 Mar - 22 Mar	Air France
14 Mar - 21 Mar	Air France
26 Mar - 07 Apr	KLM
19 Mar - 28 Mar	Etihad Airways
20 Mar - 28 Mar	Air France
01 Mar - 29 Mar	Etihad Airways
29 Mar - 04 Apr	KLM
21 Mar - 28 Mar	Wizz Air
21 Mar - 29 Mar	Turkish Airlines
26 Mar - 06 Apr	Turkish Airlines
23 Mar - 31 Mar	Turkish Airlines
27 Mar - 11 Apr	Air France
28 Mar - 12 Apr	Turkish Airlines
27 Mar - 10 Apr	Air France
27 Mar - 12 Apr	Air France
28 Mar - 11 Apr	Turkish Airlines

Also check the deals for one-way flights from Bilbao 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 Bilbao to Seoul in March from $807

Return flights