Air distance from Chicago, USA to Azores, Portugal is 3247.7 Miles (5226.7 Kilometers / 2820.3 Nautical Miles).
6 hrs, 44 mins is the flight duration between Chicago and Azores. 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.