Air distance from Frankfurt, Germany to Lucknow, India is 4061.5 Miles (6536.4 Kilometers / 3527 Nautical Miles).
Flight duration time from Frankfurt to Lucknow is 8 hrs, 26 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.