AirHint found the following cheapest return flights from Macau (MFM) to Seoul (ICN) in May 2026 (see full year).

Return flights

11 May - 18 May	Jeju Air	direct
11 May - 19 May	Jeju Air	direct
22 May - 26 May	Jeju Air	direct
23 May - 29 May	Jeju Air
01 May - 10 May	Jeju Air	direct
18 May - 21 May	Jeju Air
23 May - 27 May	Jeju Air	direct
01 May - 09 May	Jeju Air	direct
07 May - 14 May	EVA Air
07 May - 14 May	Jeju Air	direct
25 May - 01 Jun	Air China
25 May - 01 Jun	Korean Air	direct

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

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 Macau to Seoul in May from 252€

Return flights