Air distance from Unalaska, USA to Incheon, South Korea is 3313.7 Miles (5332.9 Kilometers / 2877.6 Nautical Miles).
Flight duration time from Unalaska to Incheon is 6 hrs, 52 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.