Delta Air Lines and United Airlines operate nonstop flights from Houston (IAH) to Oklahoma City (OKC). The nonstop flight takes around ~0h 48m, covering 396 miles (637 km) and operates multiple daily. Updated 30 June 2026.
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Yes, Delta Air Lines and United Airlines operate nonstop flights from Houston (IAH) to Oklahoma City (OKC).
Delta Air Lines, United Airlines operate nonstop flights from Houston to Oklahoma City.
The nonstop flight from Houston to Oklahoma City takes ~0h 48m (approximately 637 km).
Nonstop flights from Houston to Oklahoma City operate multiple daily.