EYW - SEA

$303 Find Cheap Flights from Key West to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$569
Typical prices: $428-$651
American Airlines
Sat 11/24Sun 12/2
EYW - SEA • 1 stop
Cheapest one-way
$303
Typical prices: $429-$557
American Airlines
Fri 1/26
EYW - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Key West and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 26% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Charlotte Douglas (CLT)
Cheapest • Avg $308 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 8h 45m (one-way)
Insights
Insights
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Key West to Seattle

Tue, Nov 24 - Wed, Dec 2
American Airlines Logo
1:11 pm - 8:21 pmEYW  Key West-SEA Seattle/Tacoma Intl
10h 10m1 stop Chicago O'Hare Intl
American Airlines Logo
5:10 am - 4:55 pmSEA  Seattle/Tacoma Intl-EYW Key West
8h 45m1 stop Dallas/Fort Worth
$569American Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
6:19 pm - 11:58 pmEYW  Key West-SEA Seattle/Tacoma Intl
8h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:22 am - 8:01 pmSEA  Seattle/Tacoma Intl-EYW Key West
9h 39m1 stop Atlanta Hartsfield-Jackson
$575Delta
Tue, Nov 24 - Fri, Nov 27
Delta Logo
6:05 pm - 11:57 pmEYW  Key West-SEA Seattle/Tacoma Intl
8h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:25 am - 8:00 pmSEA  Seattle/Tacoma Intl-EYW Key West
8h 35m1 stop Atlanta Hartsfield-Jackson
$599Delta
Tue, Nov 24 - Mon, Nov 30
American Airlines Logo
2:32 pm - 10:23 pmEYW  Key West-SEA Seattle/Tacoma Intl
10h 51m1 stop Dallas/Fort Worth
American Airlines Logo
9:14 pm - 9:52 amSEA  Seattle/Tacoma Intl-EYW Key West
9h 38m1 stop Miami
$622American Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
1:47 pm - 9:52 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 05m2 stops Miami Dallas/Fort Worth
American Airlines Logo
8:39 pm - 9:54 amSEA  Seattle/Tacoma Intl-EYW Key West
10h 15m1 stop Miami
$639American Airlines
Tue, Nov 24 - Sun, Nov 29
Delta Logo
6:05 pm - 11:57 pmEYW  Key West-SEA Seattle/Tacoma Intl
8h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:45 pm - 10:48 amSEA  Seattle/Tacoma Intl-EYW Key West
8h 03m1 stop Atlanta Hartsfield-Jackson
$652Delta
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
1:47 pm - 12:11 amEYW  Key West-SEA Seattle/Tacoma Intl
13h 24m2 stops Miami Chicago O'Hare Intl
American Airlines Logo
11:59 pm - 1:03 pmSEA  Seattle/Tacoma Intl-EYW Key West
10h 04m2 stops Chicago O'Hare Intl Miami
$703American Airlines
Tue, Nov 24 - Sat, Nov 28
Delta Logo
6:05 pm - 11:57 pmEYW  Key West-SEA Seattle/Tacoma Intl
8h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:45 pm - 10:48 amSEA  Seattle/Tacoma Intl-EYW Key West
9h 03m1 stop Atlanta Hartsfield-Jackson
$729Delta
Tue, Sep 29 - Thu, Oct 15
American Airlines Logo
2:34 pm - 10:57 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 23m1 stop Philadelphia
American Airlines Logo
5:00 am - 7:33 pmSEA  Seattle/Tacoma Intl-EYW Key West
11h 33m2 stops Dallas/Fort Worth Miami
$774American Airlines
Tue, Sep 29 - Thu, Oct 15
American Airlines Logo
1:47 pm - 10:40 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 53m2 stops Miami Los Angeles Los Angeles
American Airlines Logo
6:20 pm - 9:54 amSEA  Seattle/Tacoma Intl-EYW Key West
12h 34m2 stops Phoenix Sky Harbor Intl Miami
$779American Airlines
Booking Insights

Price, demand and travel trends for Key West to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Key West to Seattle with more confidence.

How much is a round-trip flight from Key West to Seattle?

Round-trip flights from Key West to Seattle start at $569. Prices are typical for this route right now, with typical round-trip fares ranging from $428 to $651. The lowest price found in the past 5 days was $569 on American Airlines.

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Key details for Key West to Seattle flights

Low season

November

Cheapest flight

$303
Most popular time to fly with an average 24% increase in price.
Flight from Key West to Seattle

When to book flights from Key West to Seattle

Are your dates flexible? Find out the best times to travel from Key West to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Key West to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Key West to Seattle?

    Flights from Key West to Seattle usually depart from Key West (EYW) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Key West to Seattle?

    Only Economy Class is available on flights from Key West to Seattle.

  • Which airports do connecting flights from Key West to Seattle pass through?

    One-stop flights from Key West to Seattle most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 68% of one-stop connections
    • Charlotte Douglas (CLT) - 16% of one-stop connections
    • Dallas/Fort Worth (DFW) - 16% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Key West to Seattle?

    Yes. Being flexible with your travel dates can save you up to 46% on the Key West to Seattle route. Thursday is the cheapest departure day at $388 round-trip on average, while Friday is the most expensive at $718, a difference of $330. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Key West to Seattle?

    A nonstop flight from Key West to Seattle takes 0h 00m, covering 2,715 miles.

  • Do I need a passport to fly from Key West to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Key West to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $569 to $1,382. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Key West to Seattle looking right now?

    One-way fares from Key West to Seattle are currently lower than usual. Average one-way flight prices are about $450, which is 12% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Key West to Seattle?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 8h 45m, compared with 9h 24m via Dallas/Fort Worth (DFW) and 10h 08m via Charlotte Douglas (CLT).

  • What is the time difference between Key West and Seattle?

    Seattle is 3 hours behind Key West (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Key West to Seattle flight?

    Round-trip flights from Key West to Seattle range from $428 to $651, with an average of $513 over the past 12 months. Anything below $428 counts as a good deal.

Your guide to booking Key West to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $388 - about $330 less than Friday (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Key West to Seattle trip for April. Fares historically average $378 round-trip in that month - typically $440 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Key West to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle