Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oklahoma City to Moscow as you normally would.
Most people fly from Oklahoma City Will Rogers World (OKC) if they book a flight from Oklahoma City to Moscow. On average, Will Rogers World has 0 outbound flights to Moscow per day from 0 airlines. Oklahoma City Will Rogers World is conveniently located just 7.0 mi from Oklahoma City’s city center.
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Oklahoma City Will Rogers World Airport to Moscow Domodedovo Airport flight would often be abbreviated as a OKC to DME flight. Moscow Sheremetyevo Airport (SVO), Moscow Vnukovo Airport (VKO), Moscow Zhukovsky Airport (ZIA) are some additional IATA codes for airports related to your trip.