Air distance from Quito, Ecuador to San Antonio, USA is 2421 Miles (3896.3 Kilometers / 2102.4 Nautical Miles).
Flight duration time from Quito to San Antonio is 5 hrs, 1 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.