Direct flights
from Taipei (TSA)
to Seoul (GMP)

Weekly schedule for flights between Taipei Songshan (Taipei, Taiwan, Province of China) and Gimpo Intl (Seoul, South Korea) operated by 1 airlines.
14 weekly flights operate on this route flying 920mi in 2h30min.
Expect $276 in average for a one-way ticket with the cheapest option at $0.