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

Return flights

07 Sep - 13 Sep	China Airlines	direct
15 Sep - 19 Sep	EVA Air	direct
23 Sep - 29 Sep	EVA Air	direct
23 Sep - 30 Sep	EVA Air	direct
09 Sep - 15 Sep	EVA Air	direct
04 Sep - 09 Sep	EVA Air	direct
19 Sep - 26 Sep	EVA Air	direct
24 Sep - 27 Sep	China Airlines	direct
24 Sep - 28 Sep	China Airlines	direct
25 Sep - 29 Sep	EVA Air	direct
25 Sep - 10 Oct	EVA Air	direct
24 Sep - 11 Oct	China Airlines	direct
24 Sep - 10 Oct	ANA

Also check the deals for one-way flights from Taipei to Seoul in September.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Taipei to Seoul in September from 287€

Return flights