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Cheap Flights to King County from $59

View $59 flight on Fri, Sep 11, 2026Opens in a new window

Popular airlines to King County

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

Today's featured flight deals to King County

NonstopCarry-on includedLower price than typical

How much is the cheapest flight to King County?

Prices were available within the past 7 days and start at $59 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
American Airlines
Southwest Airlines
Southwest Airlines
United
Delta

Trending flights to King County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

*Flight schedules are subject to change.

*Available to One Key members.

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