Question : Have you considered flying out of an airport besides Shenzhen Bao'an International Airport (SZX)?
Answer : Departing from Shenzhen Bao'an International Airport is not the only way to get to Will Rogers World Airport. Try searching for flights from Hong Kong International Airport (HKG) as well. Over the next two months, flights from HKG to OKC are being priced 51% cheaper than flights from SZX to OKC. Being only 24 miles away, it's easily accessible for most.
Question : Do travelers from Shenzhen typically stay in Oklahoma City for very long?
Answer : Passengers from SZX to OKC stay 35 days on average.
Question : Is price more important than specific travel days for you?
Answer : The cheapest day to fly in July is Tuesday. Being flexible with your travel days garners even more savings during booking.