Currently, January is the cheapest month in which you can book a flight from St. Augustine to Oklahoma City (average of $348). Flying from St. Augustine to Oklahoma City in June is currently the most expensive (average of $403). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from St. Augustine to Oklahoma City is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.