Cheap flights from Key West to Seattle

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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.

Airport options between Key West and Seattle

Even for routes around 4373 km, using different airports might affect flight cost and travel time.

  • Airports in Key West: Only Key West - International operates here.
  • Airports in Seattle: Seattle offers flights from 2 airports - Boeing Field, Lake Union.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Flights from Key West - International to Seattle - Tacoma

Flight filters for the route Key West – Seattle

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Las Vegas, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.
Frequently Asked Questions

Frequently asked questions about flights from Key West to Seattle.

How much does an airline ticket from Key West to Seattle cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Key West to Seattle.

How far is Key West from Seattle?

Key West is about 4373 km from Seattle.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the airports in Key West?

Key West has one airport: Key West - International.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Key West to Seattle?

This information is not available at the moment.

What is the cheapest month to fly from Key West to Seattle?

This information is not available at the moment.

What is the most expensive month to fly from Key West to Seattle?

This information is not available at the moment.

What is the best day of the week to fly from Key West to Seattle?

This information is not available at the moment.