I am trying to get an earlier departure time out of MEM. Airport (MEM), but it's also possible to miss out altogether! It ends at Memphis International Airport in Memphis, Tennessee. It is recommended to travel on weekdays to avoid weekend surcharges. How long does it take to fly from MEM to ORD? Your trip begins at Chicago O'Hare International Airport in Chicago, Illinois. This is the average non-stop flight time based upon historical flights for this route. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. There are a few airlines that fly directly from Memphis Intl. Which airlines fly direct from Memphis Intl.