Seattle — Oklahoma City flights are offered by 4 airline(s) including Delta Air Lines, Frontier Airlines, Southwest Airlines, United Airlines.
The cheapest one-way flights are usually available on a Wednesday. The average price of a one-way flight is currently $ 120.42. The lowest price is $ 118.19 departing on Nov 5th, 2019 with Frontier Airlines. Seattle - SEA is the cheapest airport for flights Seattle – Oklahoma City.