Find Cheap Flights to Key West

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to Key West

(Round-trip)
Depart: Tue Aug 15 2017 Return: Tue Aug 22 2017 Trip spans 8 days
Delta
Delta
SEA
2:15a
EYW
10:21a
8h 06m
1 stop
EYW
3:00a
SEA
11:00a
8h 00m
1 stop
Depart: Thu Sep 7 2017 Return: Thu Sep 21 2017 Trip spans 15 days
American Airlines
American Airlines
SEA
6:30p
EYW
11:43a
17h 13m
1 stop
EYW
9:22a
SEA
10:59p
13h 37m
1 stop
Depart: Tue Jan 9 2018 Return: Tue Jan 16 2018 Trip spans 8 days
United
United
SEA
7:15p
EYW
6:00a
10h 45m
2 stops
EYW
8:09a
SEA
11:24a
27h 15m
2 stops
Depart: Sat Jan 13 2018 Return: Fri Jan 19 2018 Trip spans 7 days
Delta
Delta
SEA
5:40p
EYW
3:34a
9h 54m
1 stop
EYW
8:35a
SEA
5:20p
8h 45m
1 stop
Depart: Thu Sep 28 2017 Return: Wed Oct 4 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
1:45p
EYW
5:51a
16h 06m
2 stops
EYW
10:40a
SEA
7:38p
8h 58m
1 stop
Depart: Sun Jan 28 2018 Return: Mon Feb 12 2018 Trip spans 16 days
United
United
SEA
7:50a
EYW
6:00a
22h 10m
2 stops
EYW
4:45a
SEA
1:00p
32h 15m
2 stops
Depart: Fri Aug 11 2017 Return: Mon Aug 14 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
4:20a
EYW
3:47p
11h 27m
2 stops
EYW
8:00a
SEA
10:52p
14h 52m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
Delta
Delta
SEA
7:40p
EYW
4:35a
8h 55m
1 stop
EYW
1:50p
SEA
10:24p
8h 34m
1 stop
Depart: Fri Jan 5 2018 Return: Tue Jan 9 2018 Trip spans 5 days
United
United
SEA
6:05p
EYW
8:45a
14h 40m
2 stops
EYW
8:09a
SEA
8:03p
11h 54m
2 stops
Depart: Mon Sep 4 2017 Return: Wed Sep 6 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
6:30p
EYW
5:51a
11h 21m
1 stop
EYW
8:00a
SEA
10:59p
14h 59m
1 stop
Depart: Wed Jan 3 2018 Return: Tue Jan 9 2018 Trip spans 7 days
United
United
SEA
6:40p
EYW
11:38a
16h 58m
2 stops
EYW
8:09a
SEA
8:03p
11h 54m
2 stops
Depart: Tue Jan 2 2018 Return: Tue Jan 9 2018 Trip spans 8 days
Delta
Delta
SEA
5:40p
EYW
2:17a
8h 37m
1 stop
EYW
8:35a
SEA
5:20p
8h 45m
1 stop
Depart: Wed Oct 18 2017 Return: Sat Oct 21 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
2:00a
EYW
11:43a
9h 43m
2 stops
EYW
3:00a
SEA
3:46p
12h 46m
2 stops
Depart: Thu Jan 4 2018 Return: Tue Jan 9 2018 Trip spans 6 days
United
United
SEA
6:40p
EYW
11:38a
16h 58m
2 stops
EYW
8:09a
SEA
8:03p
11h 54m
2 stops
Depart: Thu Aug 10 2017 Return: Mon Aug 14 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
4:20a
EYW
3:47p
11h 27m
2 stops
EYW
3:00a
SEA
10:52p
19h 52m
1 stop
Depart: Wed Jan 10 2018 Return: Tue Jan 16 2018 Trip spans 7 days
Delta
Delta
SEA
1:15a
EYW
11:43a
10h 28m
1 stop
EYW
8:35a
SEA
5:20p
8h 45m
1 stop
Depart: Sat Nov 4 2017 Return: Sat Nov 11 2017 Trip spans 8 days
United
United
SEA
7:10p
EYW
10:58a
16h 48m
2 stops
EYW
5:30a
SEA
6:02p
12h 32m
2 stops
Depart: Mon Aug 14 2017 Return: Wed Aug 16 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
6:30p
EYW
5:51a
11h 21m
1 stop
EYW
10:30a
SEA
9:58p
11h 28m
1 stop
Depart: Mon Jan 1 2018 Return: Tue Jan 9 2018 Trip spans 9 days
Delta
Delta
SEA
5:40p
EYW
2:04a
8h 24m
1 stop
EYW
8:35a
SEA
5:20p
8h 45m
1 stop
Depart: Fri Oct 13 2017 Return: Tue Oct 24 2017 Trip spans 12 days
United
United
SEA
7:43p
EYW
7:33a
11h 50m
2 stops
EYW
3:55p
SEA
11:10a
19h 15m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Seattle
$446
Destination

Key West
$446