Cheap Flights from Seattle (SEA) to Key West (EYW)

Flight 1

Popular airlines from Seattle-Tacoma International Airport (SEA) to Key West Intl. Airport (EYW)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Key West, FL (EYW-Key West Intl.) cost?
One-way flights typically cost between £748 and £2,336 and return flights often range between £748 and £2,336. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to EYW ticket fares go up or down.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Key West, FL (EYW-Key West Intl.)?
Flying from SEA to EYW with a connection usually takes about 12 hours 20 minutes, traveling roughly 2,717 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Key West, FL (EYW-Key West Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to EYW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
What airports do you fly into for Key West from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Key West from Seattle - Tacoma Intl. (SEA), you can fly directly into Key West Intl. (EYW) Some flights may connect through major hubs like Sky Harbor Intl. (PHX), San Francisco Intl. (SFO), Los Angeles Intl. (LAX) before reaching Key West. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Key West Intl.
Distance
4347 km

Book with confidence

Compare flights from Seattle to Key West easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Key West. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Key West Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Key West Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Key West Intl. (EYW)

The easiest way to view the best deals on flights from Seattle to Key West today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Key West Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Key West
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Key West flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Key West Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seattle to Key West easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.