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: Thu Feb 15 2018 Return: Mon Feb 26 2018 Trip spans 12 days
American Airlines
American Airlines
SJU
SEA
13h 12m
1 stop
SEA
SJU
12h 13m
1 stop
Depart: Sun Feb 4 2018 Return: Mon Mar 5 2018 Trip spans 30 days
JetBlue
JetBlue
SJU
SEA
12h 16m
1 stop
SEA
SJU
10h 12m
1 stop
Depart: Mon Nov 20 2017 Return: Tue Nov 28 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SJU
SEA
26h 09m
3 stops
SEA
SJU
20h 26m
2 stops
Depart: Fri Nov 10 2017 Return: Tue Nov 14 2017 Trip spans 5 days
Frontier
Frontier
SJU
SEA
18h 43m
2 stops
SEA
SJU
28h 36m
2 stops
Depart: Sun Mar 11 2018 Return: Fri Mar 16 2018 Trip spans 5 days
United
United
POS
SEA
20h 10m
1 stop
SEA
POS
10h 50m
1 stop
Depart: Wed Nov 22 2017 Return: Sun Nov 26 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
SJU
SEA
24h 57m
2 stops
SEA
SJU
52h 11m
2 stops
Depart: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Delta
Delta
STT
SEA
12h 02m
1 stop
SEA
STT
15h 20m
2 stops
Depart: Sun Dec 24 2017 Return: Sat Jan 6 2018 Trip spans 14 days
Sun Country Air
Sun Country Air
SJU
SEA
12h 15m
1 stop
SEA
SJU
13h 35m
1 stop
Depart: Thu Nov 16 2017 Return: Sun Nov 19 2017 Trip spans 4 days
American Airlines
American Airlines
SJU
SEA
14h 08m
2 stops
SEA
SJU
11h 04m
1 stop
Depart: Wed Feb 14 2018 Return: Wed Mar 14 2018 Trip spans 28 days
JetBlue
JetBlue
SJU
SEA
13h 18m
1 stop
SEA
SJU
10h 01m
1 stop
Depart: Fri Oct 27 2017 Return: Tue Oct 31 2017 Trip spans 5 days
JetBlue
JetBlue
SJU
SEA
28h 59m
1 stop
SEA
SJU
32h 32m
1 stop
Depart: Thu Mar 29 2018 Return: Sat Apr 7 2018 Trip spans 10 days
United
United
POS
SEA
45h 02m
2 stops
SEA
POS
54h 25m
2 stops
Depart: Thu Nov 16 2017 Return: Sun Nov 26 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SJU
SEA
27h 15m
2 stops
SEA
SJU
52h 06m
2 stops
Depart: Tue Nov 14 2017 Return: Sat Nov 18 2017 Trip spans 5 days
American Airlines
American Airlines
SJU
SEA
11h 41m
1 stop
SEA
SJU
11h 29m
2 stops
Depart: Thu Dec 14 2017 Return: Wed Dec 27 2017 Trip spans 14 days
JetBlue
JetBlue
SJU
SEA
14h 24m
1 stop
SEA
SJU
13h 03m
1 stop
Depart: Fri Nov 10 2017 Return: Thu Nov 16 2017 Trip spans 7 days
Frontier
Frontier
SJU
SEA
18h 43m
2 stops
SEA
SJU
28h 36m
2 stops
Depart: Fri Apr 20 2018 Return: Sun Apr 29 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
SJU
SEA
14h 08m
2 stops
SEA
SJU
15h 36m
1 stop
Depart: Tue Oct 31 2017 Return: Sun Nov 5 2017 Trip spans 6 days
JetBlue
JetBlue
SJU
SEA
13h 38m
1 stop
SEA
SJU
12h 58m
1 stop
Depart: Wed Dec 20 2017 Return: Fri Jan 5 2018 Trip spans 17 days
Multiple Airlines
Multiple Airlines
SJU
SEA
33h 37m
3 stops
SEA
SJU
11h 35m
1 stop
Depart: Mon Nov 13 2017 Return: Fri Nov 17 2017 Trip spans 5 days
Delta
Delta
SJU
SEA
12h 21m
1 stop
SEA
SJU
14h 40m
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
$432
Saint Thomas Island
$763
Piarco
$610
Destination

Seattle
$432