€194 Cheap Flights Seattle to Key West (SEA-EYW)

View €194 flight on Sun, 20 Apr 2025Opens in a new window

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

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Cheap flights from Seattle to Key West (SEA-EYW)

Prices were available within the past 7 days and start at €194 for one-way flights and €388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€388 Return, found 3 days ago
€388
Return
found 3 days ago
Select American Airlines flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €388 found 3 days ago
Delta
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€418 Return, found 3 days ago
€418
Return
found 3 days ago
Select Delta flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €418 found 3 days ago
Delta
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€452 Return, found 3 days ago
€452
Return
found 3 days ago
Select Delta flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €452 found 3 days ago
Delta
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€464 Return, found 3 days ago
€464
Return
found 3 days ago
Select Delta flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €464 found 3 days ago
American Airlines
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€470 Return, found 3 days ago
€470
Return
found 3 days ago
Select American Airlines flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €470 found 3 days ago
American Airlines
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€471 Return, found 3 days ago
€471
Return
found 3 days ago
Select American Airlines flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €471 found 3 days ago
Delta
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€475 Return, found 3 days ago
€475
Return
found 3 days ago
Select Delta flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €475 found 3 days ago
American Airlines
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€499 Return, found 3 days ago
€499
Return
found 3 days ago
Select American Airlines flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €499 found 3 days ago
United
Sun, 20 Apr - Tue, 29 Apr
SEA
Seattle
EYW
Key West
€528 Return, found 3 days ago
€528
Return
found 3 days ago
Select United flight, departing Sun, 20 Apr from Seattle to Key West, returning Tue, 29 Apr, priced at €528 found 3 days ago
JetBlue Airways
Thu, 10 Apr - Sun, 13 Apr
SEA
Seattle
EYW
Key West
€1,169 Return, found 5 days ago
€1,169
Return
found 5 days ago
Select JetBlue Airways flight, departing Thu, 10 Apr from Seattle to Key West, returning Sun, 13 Apr, priced at €1,169 found 5 days ago
Seattle to Key West route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Key West Intl.
Return price
€387
Distance
4347 km

Perfect flights from Seattle to Key West

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Key West. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Key West Intl. ticket options cater to your travel preferences, with incredible one-way fares from €194 and roundtrip prices from €388. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Key West Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Key West.

Frequently asked questions

How much is a flight from SEA to Key West Intl. Airport?
Round-trip journeys between Seattle - Tacoma Intl. Airport (SEA) and Key West Intl. Airport (EYW) start from €388. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Key West Intl. Airport?
This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel your flight online.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to EYW that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to EYW flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Key West Intl. Airport (EYW)?
You’ll have 4,400 kilometres to cover on the long-haul SeaTac to Key West route. Wear comfortable clothes and consider taking a neck pillow with you.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Key West Intl. Airport (EYW)?
If you want to fly straight from SEA to EYW, you’ll need to book a flight with one or more stops. Unfortunately, there aren’t any airlines that fly directly between these airports.
Are Sea-Tac Airport to EYW flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from SEA to Key West Intl. Airport (EYW) can be hit-or-miss. You may be able to score a bargain, but you could also miss out completely! If you’d rather play it safe and start your trip planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines advertise their prices that far in advance. Our suggestion? Check back often as updates are made regularly.

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