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

Return flights

13 Apr - 27 Apr	Etihad Airways
10 Apr - 28 Apr	Etihad Airways
11 Apr - 18 Apr	Turkish Airlines
12 Apr - 19 Apr	Etihad Airways

Also check the deals for one-way flights from Bilbao to Seoul in April.

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 April from $821

Return flights