SEA - EYW

$260 Find Cheap Flights from Seattle to Key West - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$459
Typical prices: $458-$790
American Airlines
Fri 1/5Sat 1/13
SEA - EYW • 1 stop
Cheapest one-way
$260
Typical prices: $307-$464
Multiple Airlines
Tue 10/30
SEA - EYW • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Seattle and Key West. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
July
Cheapest • 34% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $488 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 8h 56m (one-way)
Insights
Insights
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We hope you love your trip to Key West!

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

 

Cheap flights from Seattle to Key West with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Tue, Jan 5 - Wed, Jan 13
American Airlines Logo
5:09 am - 4:38 pmSEA  Seattle/Tacoma Intl-EYW Key West
8h 29m1 stop Dallas/Fort Worth
American Airlines Logo
12:12 pm - 8:13 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 01m1 stop Chicago O'Hare Intl
$459American Airlines
Tue, Jan 5 - Wed, Jan 13
American Airlines Logo
5:10 am - 4:38 pmSEA  Seattle/Tacoma Intl-EYW Key West
8h 28m1 stop Dallas/Fort Worth
American Airlines Logo
12:12 pm - 8:13 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 01m1 stop Chicago O'Hare Intl
$459American Airlines
Sat, Feb 20 - Sat, Feb 27
American Airlines Logo
9:23 pm - 11:02 amSEA  Seattle/Tacoma Intl-EYW Key West
10h 39m1 stop Miami
American Airlines Logo
2:29 pm - 10:39 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 10m1 stop Charlotte Douglas
$459American Airlines
Tue, Feb 23 - Sat, Feb 27
American Airlines Logo
5:00 am - 3:53 pmSEA  Seattle/Tacoma Intl-EYW Key West
7h 53m1 stop Charlotte Douglas
American Airlines Logo
2:29 pm - 10:39 pmEYW  Key West-SEA Seattle/Tacoma Intl
11h 10m1 stop Charlotte Douglas
$459American Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
10:48 pm - 1:54 pmSEA  Seattle/Tacoma Intl-EYW Key West
12h 06m1 stop Newark
United Airlines Logo
4:10 pm - 11:17 pmEYW  Key West-SEA Seattle/Tacoma Intl
10h 07m1 stop Chicago O'Hare Intl
$479United Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
11:15 pm - 1:54 pmSEA  Seattle/Tacoma Intl-EYW Key West
11h 39m1 stop Newark
United Airlines Logo
2:50 pm - 10:11 pmEYW  Key West-SEA Seattle/Tacoma Intl
10h 21m1 stop Newark
$499United Airlines
Mon, Dec 21 - Fri, Dec 25
United Airlines Logo
11:44 pm - 11:41 amSEA  Seattle/Tacoma Intl-EYW Key West
8h 57m1 stop Chicago O'Hare Intl
United Airlines Logo
12:22 pm - 7:06 pmEYW  Key West-SEA Seattle/Tacoma Intl
9h 44m1 stop Chicago O'Hare Intl
$529United Airlines
Sat, Oct 31 - Thu, Nov 5
Delta Logo
10:35 pm - 11:47 amSEA  Seattle/Tacoma Intl-EYW Key West
10h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:11 pm - 8:27 pmEYW  Key West-SEA Seattle/Tacoma Intl
29h 16m2 stops Atlanta Hartsfield-Jackson Los Angeles
$575Delta
Thu, Nov 5 - Sat, Nov 7
Delta Logo
9:35 pm - 8:01 pmSEA  Seattle/Tacoma Intl-EYW Key West
19h 26m2 stops Los Angeles Atlanta Hartsfield-Jackson
Delta Logo
6:11 pm - 10:00 amEYW  Key West-SEA Seattle/Tacoma Intl
18h 49m2 stops Atlanta Hartsfield-Jackson Los Angeles
$575Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
10:35 pm - 11:47 amSEA  Seattle/Tacoma Intl-EYW Key West
10h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:40 am - 8:27 pmEYW  Key West-SEA Seattle/Tacoma Intl
15h 47m2 stops Atlanta Hartsfield-Jackson Los Angeles
$575Delta

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

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

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

Round-trip flights from Seattle to Key West typically range from $458 to $790. The lowest price found in the past 5 days was $459, on American Airlines.

What's the cheapest day of the week to fly from Seattle to Key West?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Seattle to Key West. It’s 28% cheaper than the average day, while Monday is the most expensive, with prices 78% higher.

What’s the cheapest month to fly from Seattle to Key West?

•July is the cheapest month to fly from Seattle to Key West at $388 round-trip.
•December ($1,227) and August ($1,046) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 216% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Seattle to Key West flights

Low season

July

Cheapest flight

$260
Beat the crowds with an average 26% drop in travelers.
The most popular month to fly with an average 28% increase in travelers.
One-way flight from Seattle to Key West

When to book flights from Seattle to Key West

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

Your Seattle to Key West flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

    Two cabin classes are available on flights from Seattle to Key West:

    • Economy Class
    • First Class

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

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

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

    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.

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

    Round-trip flights from Seattle to Key West range from $458 to $790, with an average of $587 over the past 12 months. Anything below $458 counts as a good deal.

  • Have flight prices from Seattle to Key West 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 $459 to $2,723. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Seattle to Key West are currently in line with typical prices for this route. Average one-way fares are about $391.

  • What car rental options are available at Key West Airport (EYW)?

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

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

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

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

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

    • Atlanta Hartsfield-Jackson (ATL) - 42% of one-stop connections
    • Dallas/Fort Worth (DFW) - 33% of one-stop connections
    • Charlotte Douglas (CLT) - 17% of one-stop connections
    • Miami (MIA) - 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 60% on flights from Seattle to Key West. Tuesday is the cheapest departure day at $428 round-trip on average, while Monday is the most expensive at $1,046, a difference of $618.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 8h 56m, compared with 9h 05m via Atlanta Hartsfield-Jackson (ATL) and 9h 05m via Charlotte Douglas (CLT).

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

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

  • What popular places can I visit in Key West?

    Some of the most popular sights in Key West are Duval Street, Key West Historic District and Mallory Square. These are among the most viewed places in Key West on KAYAK.

Your guide to booking Seattle to Key West flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $428, about $618 less than Monday fares (59% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Key West trip for July. Fares historically average $388 round-trip in that month - typically $839 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Key West Airport.

    • Parrot Key Hotel & Villas
    • Havana Cabana at Key West
    • Fairfield Inn & Suites by Marriott Key West at The Keys Collection

More options for your flight from Seattle to Key West

Complete your trip to Key West with a hotel stay or car rental

Car rentals in Key West
Hotels in Key West
Vacations in Key West