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  1. Cheap Flights from Houston to Oklahoma City | United Airlines

  2. Houston to Oklahoma City - 6 ways to travel via train, line

  3. $60 Cheap Flights from Houston (IAH) to Oklahoma City (OKC)

  4. Cheap flights from Houston (Hobby) to Oklahoma City from …

  5. American Airlines® - Find Houston to Oklahoma City flights

  6. $60 Cheap Flights from Houston (HOU) to Oklahoma City (OKC)

  7. $58 CHEAP FLIGHTS from Houston G. Bush Airport to Oklahoma City

  8. $61 CHEAP FLIGHTS from Houston Hobby Airport to Oklahoma City ... - KAYAK

  9. $55 CHEAP FLIGHTS from Houston to Oklahoma City (HO1 - OKC) - KAYAK

  10. $54+ Flights from Houston to Oklahoma City | Cheapflights