Air distance from Unalaska, USA to Houston, USA is 3849.8 Miles (6195.7 Kilometers / 3343.2 Nautical Miles).
Flight duration time from Unalaska to Houston is 7 hrs, 59 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.