Find Cheap Flights from Caribbean to Seattle

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Caribbean to Seattle

(Round-trip)
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
United
United
SJU
SEA
10h 43m
1 stop
SEA
SJU
9h 22m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
Delta
Delta
SJU
SEA
19h 20m
2 stops
SEA
SJU
10h 23m
1 stop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
American Airlines
American Airlines
SJU
SEA
10h 39m
1 stop
SEA
SJU
12h 13m
1 stop
Depart: Sat Sep 23 2017 Return: Fri Oct 6 2017 Trip spans 14 days
JetBlue
JetBlue
STT
SEA
13h 17m
2 stops
SEA
STT
14h 47m
2 stops
Depart: Thu Sep 14 2017 Return: Sat Sep 23 2017 Trip spans 10 days
American Airlines
American Airlines
SJU
SEA
10h 37m
1 stop
SEA
SJU
13h 25m
2 stops
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
Delta
Delta
SJU
SEA
19h 16m
2 stops
SEA
SJU
17h 20m
2 stops
Depart: Tue Nov 21 2017 Return: Tue Nov 28 2017 Trip spans 8 days
American Airlines
American Airlines
SJU
SEA
10h 37m
1 stop
SEA
SJU
12h 15m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 16 2017 Trip spans 16 days
United
United
POS
SEA
13h 10m
1 stop
SEA
POS
18h 20m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
American Airlines
American Airlines
SJU
SEA
15h 42m
2 stops
SEA
SJU
14h 59m
2 stops
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Delta
Delta
STT
SEA
22h 25m
2 stops
SEA
STT
18h 10m
2 stops
Depart: Fri Jul 7 2017 Return: Thu Aug 17 2017 Trip spans 42 days
United
United
POS
SEA
34h 33m
2 stops
SEA
POS
19h 30m
1 stop
Depart: Tue Aug 8 2017 Return: Mon Aug 14 2017 Trip spans 7 days
American Airlines
American Airlines
SJU
SEA
12h 01m
2 stops
SEA
SJU
10h 31m
1 stop
Depart: Fri Jul 7 2017 Return: Wed Jul 26 2017 Trip spans 20 days
United
United
SJU
SEA
10h 47m
1 stop
SEA
SJU
18h 58m
2 stops
Depart: Thu Aug 17 2017 Return: Sat Aug 19 2017 Trip spans 3 days
American Airlines
American Airlines
SJU
SEA
11h 13m
1 stop
SEA
SJU
10h 31m
1 stop
Depart: Fri Jun 9 2017 Return: Thu Jun 22 2017 Trip spans 14 days
United
United
SJU
SEA
10h 20m
1 stop
SEA
SJU
9h 31m
1 stop
Depart: Thu May 18 2017 Return: Sun May 28 2017 Trip spans 11 days
American Airlines
American Airlines
SJU
SEA
11h 15m
1 stop
SEA
SJU
12h 22m
1 stop
Depart: Thu Jun 15 2017 Return: Fri Jun 23 2017 Trip spans 9 days
United
United
SJU
SEA
19h 03m
2 stops
SEA
SJU
15h 53m
2 stops
Depart: Tue May 2 2017 Return: Sat May 6 2017 Trip spans 5 days
Delta
Delta
SJU
SEA
12h 04m
2 stops
SEA
SJU
10h 27m
1 stop
Depart: Tue Jul 11 2017 Return: Tue Jul 25 2017 Trip spans 15 days
American Airlines
American Airlines
SJU
SEA
11h 13m
1 stop
SEA
SJU
13h 40m
2 stops
Depart: Mon Jul 17 2017 Return: Tue Aug 8 2017 Trip spans 23 days
United
United
STT
SEA
15h 00m
2 stops
SEA
STT
17h 18m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Juan
$464
Saint Thomas Island
$568
Piarco
$603
Destination

Seattle
$464