Find Deals on Flights from Seattle to Caribbean

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 Seattle to Caribbean

(Round-trip)
Depart: Sun Feb 12 2017 Return: Mon Feb 13 2017 Trip spans 2 days
JetBlue
JetBlue
SEA
SJU
10h 10m
1 stop
SJU
SEA
12h 12m
1 stop
Depart: Fri Jan 13 2017 Return: Sun Jan 15 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
SJU
10h 09m
2 stops
SJU
SEA
14h 42m
2 stops
Depart: Wed Feb 1 2017 Return: Thu Feb 2 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
STT
12h 39m
1 stop
STT
SEA
11h 48m
1 stop
Depart: Mon Jan 9 2017 Return: Tue Jan 17 2017 Trip spans 9 days
United
United
SEA
STT
20h 27m
3 stops
STT
SEA
15h 04m
2 stops
Depart: Sat Mar 4 2017 Return: Sat Mar 11 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
HAV
17h 10m
1 stop
HAV
SEA
18h 10m
1 stop
Depart: Sat Feb 18 2017 Return: Sat Feb 25 2017 Trip spans 8 days
Delta
Delta
SEA
HAV
35h 50m
2 stops
HAV
SEA
23h 55m
2 stops
Depart: Thu Jan 19 2017 Return: Thu Feb 9 2017 Trip spans 22 days
JetBlue
JetBlue
SEA
SJU
12h 45m
1 stop
SJU
SEA
12h 11m
1 stop
Depart: Thu Feb 23 2017 Return: Thu Mar 2 2017 Trip spans 8 days
Copa Airlines
Copa Airlines
SEA
POS
24h 58m
2 stops
POS
SEA
33h 09m
2 stops
Depart: Mon Jan 30 2017 Return: Thu Feb 2 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
STT
11h 34m
1 stop
STT
SEA
11h 21m
1 stop
Depart: Sat May 20 2017 Return: Sun May 28 2017 Trip spans 9 days
Air Canada
Air Canada
SEA
GGT
13h 35m
2 stops
GGT
SEA
23h 20m
2 stops
Depart: Fri Feb 3 2017 Return: Sun Feb 12 2017 Trip spans 10 days
JetBlue
JetBlue
SEA
SJU
12h 47m
1 stop
SJU
SEA
12h 12m
1 stop
Depart: Mon Mar 13 2017 Return: Thu Mar 23 2017 Trip spans 11 days
United
United
SEA
STT
11h 04m
1 stop
STT
SEA
10h 26m
1 stop
Depart: Mon May 29 2017 Return: Sat Jun 10 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
SJU
11h 49m
1 stop
SJU
SEA
33h 14m
1 stop
Depart: Fri Jan 13 2017 Return: Sat Jan 21 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
NAS
11h 45m
1 stop
NAS
SEA
9h 42m
1 stop
Depart: Tue Mar 7 2017 Return: Thu Mar 30 2017 Trip spans 23 days
JetBlue
JetBlue
SEA
SJU
12h 05m
1 stop
SJU
SEA
13h 54m
1 stop
Depart: Mon Feb 13 2017 Return: Wed Feb 22 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
NAS
12h 03m
1 stop
NAS
SEA
14h 46m
1 stop
Depart: Sun Mar 12 2017 Return: Wed Mar 15 2017 Trip spans 3 days
JetBlue
JetBlue
SEA
SJU
12h 05m
1 stop
SJU
SEA
13h 54m
1 stop
Depart: Fri Jan 20 2017 Return: Sat Feb 4 2017 Trip spans 16 days
Major Airline
Major Airline
SEA
PAP
12h 52m
1 stop
PAP
SEA
12h 38m
1 stop
Depart: Fri May 5 2017 Return: Sun May 7 2017 Trip spans 3 days
Delta
Delta
SEA
HAV
24h 55m
2 stops
HAV
SEA
22h 26m
2 stops
Depart: Sat Apr 15 2017 Return: Sat Apr 22 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
NAS
14h 23m
1 stop
NAS
SEA
17h 49m
1 stop
* 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

Seattle
$376
Destination

Port Au Prince
$472
Nassau
$413
San Juan
$376
Saint Thomas Island
$406
Havana
$470
Georgetown
$824
Piarco
$789