The most popular
Incheon-Seattle route: Alaska Airlines
Then it was fierce
Incheon-Honolulu route: Air Pramia
Incheon-Jakarta route: T’way
The round-trip route between Gimpo and Jeju (87 in the summer and 74 in the winter) is operated by four airlines, including Eastar Jet, Jeju Air, T’way Air, and Paratha Air.
No application has been made for the Incheon/Busan-Guam and Gwangju-Jeju routes, so they will be held through a lottery in the first half of the year.