Flights to Casco Bay Islands from Oklahoma City -

Popular airlines from Oklahoma City to Casco Bay Islands

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Oklahoma City (OKC) to Portland (PWM)

May is typically the cheapest month to fly

From ￥37,378 - ￥101,433 per traveler.

Graph displaying average flight prices per month