Cheap flights from Washington to Casco Bay Islands

View AU$409 flight on Mon, 28 Jul. 2025Opens in a new window

Popular airlines from Washington to Casco Bay Islands

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Washington (WAS) to Casco Bay Islands (PWM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Washington (WAS) to Portland (PWM)

January is typically the cheapest month to fly

From AU$212 - AU$596 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.