Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Clarksburg, West Virginia as you normally would.
Clarksburg Benedum (CKB), located 6.2 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Clarksburg. 0 airlines have flights to Benedum from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Clarksburg Benedum should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Clarksburg Benedum Airport flight would often be abbreviated as a ORD to CKB flight.