Air distance from Esfahan, Iran to Castries, Saint Lucia is 6922.6 Miles (11140.9 Kilometers / 6011.6 Nautical Miles).
Flight duration time from Esfahan to Castries is 14 hrs, 22 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.