Are there nonstop flights from Miyakojima (SHI) to Seoul (GMP)?

No. The fastest connection is via Osaka, about 3h 41m of total flying time.

What is the fastest connection from Miyakojima (SHI) to Seoul (GMP)?

via Osaka ≈ 3h 41m, via Tokyo ≈ 4h 33m (estimated flying time, excluding layovers).

Shimojishima Airport (SHI) to Seoul Gimpo International Airport (GMP)・1,424 km

No nonstop flights. The fastest connection is via Osaka (KIX), about 3h 41m of flying time (layover not included).

None.

2 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.