1. Airport Railway
Take the airport railway at Incheon Airport Station, take the ordinary AREX and get off at Hongda Entrance Station, which takes 55 minutes and costs 3850 won. It takes about 40 minutes to get directly to AREX airport. You can buy tickets online in advance, and the fee is 44 yuan RMB.
2. Airport bus
Take bus No.6002 12A at Incheon Airport and get off at Hongda entrance station. The time is about 1 hour and 20 minutes, and the cost is 10000 won.