Are there nonstop flights from Taipei (TPE) to Seoul (GMP)?

No. The fastest connection is via Jeju City, about 2h 47m of total flying time.

What is the fastest connection from Taipei (TPE) to Seoul (GMP)?

via Jeju City ≈ 2h 47m, via Busan ≈ 2h 58m, via Osaka ≈ 3h 59m (estimated flying time, excluding layovers).

from 11,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Taiwan Taoyuan International Airport (TPE) to Seoul Gimpo International Airport (GMP)・1,484 km

No nonstop flights. The fastest connection is via Jeju City (CJU), about 2h 47m of flying time (layover not included).

With milesANA 11,000 miles+ (via KIX)JAL 15,000 miles+ (via PUS)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.