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

Return flights

24 Mar - 28 Mar	T'way Air	direct
04 Mar - 07 Mar	T'way Air	direct
05 Mar - 09 Mar	T'way Air	direct
26 Mar - 28 Mar	T'way Air	direct
19 Mar - 22 Mar	T'way Air	direct
06 Mar - 08 Mar	T'way Air	direct
12 Mar - 15 Mar	T'way Air	direct
21 Mar - 24 Mar	T'way Air	direct
07 Mar - 10 Mar	T'way Air	direct
12 Mar - 18 Mar	Jin Air	direct

Also check the deals for one-way flights from Seoul to Taichung 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 Seoul to Taichung in March from $172

Return flights