Looking for the price of a flight from Key West to Seattle?

There’s no fixed price — fares between Key West and Seattle can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Which airports near Key West or Seattle offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Key West: Only Key West - International is currently operating.
• Airports in Seattle: 2 options available in Seattle - Boeing Field, Lake Union.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Plan your perfect flight from Key West to Seattle

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.