AirHint found the following cheapest return flights from Seoul (GMP) to Taipei (TSA) in April 2026 (see full year).

Return flights

09 Apr - 12 Apr	China Airlines	direct
02 Apr - 06 Apr	China Airlines	direct
20 Apr - 23 Apr	China Airlines	direct
09 Apr - 13 Apr	China Airlines	direct
16 Apr - 19 Apr	China Airlines	direct
08 Apr - 15 Apr	EVA Air	direct
30 Apr - 03 May	China Airlines	direct
30 Apr - 04 May	China Airlines	direct
25 Apr - 28 Apr	EVA Air	direct
18 Apr - 25 Apr	EVA Air	direct
01 Apr - 04 Apr	EVA Air	direct
07 Apr - 11 Apr	EVA Air	direct
30 Apr - 05 May	ANA
07 Apr - 03 May	ANA
30 Apr - 02 May	ANA
30 Apr - 08 May	ANA

Also check the deals for one-way flights from Seoul to Taipei 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 Seoul to Taipei in April from $253

Return flights