What’s the cost of a flight from Key West to Seattle?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Key West and Seattle.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports serve Key West and Seattle?

When planning a trip of about 4373 km, it's a good idea to check flights from surrounding airports too.

• Airports in Key West: Key West - International is the only operational airport in the area.
• Airports in Seattle: Seattle offers flights from 2 airports - Boeing Field, Lake Union.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Find flights from Key West to Seattle that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in United States? These cities are also in demand: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.