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

Return flights

30 May - 08 Jun	Korean Air	direct
27 May - 29 May	Korean Air	direct
22 May - 26 May	Korean Air	direct
22 May - 24 May	Korean Air	direct
23 May - 26 May	Korean Air	direct
23 May - 24 May	Korean Air	direct
23 May - 27 May	Korean Air	direct
22 May - 25 May	Korean Air	direct
23 May - 25 May	Korean Air	direct
01 May - 04 May	HK Express
01 May - 05 May	HK Express

Also check the deals for one-way flights from Seoul to Taichung 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 Seoul to Taichung in May from $267

Return flights