$147+ Cheap flights from Seattle (SEA) to Caribbean
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Seattle to Caribbean with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Seattle to CaribbeanExplore the most affordable flight options available from Seattle to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Seattle to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:13 pm
SEA
- SJU
2 stops11h 47m
American Airlines
Tue 3/35:25 pm
SJU
- SEA
1 stop10h 59m
American Airlines
Deal found 2/2![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:10 am
SEA
- SJU
2 stops13h 46m
Delta
Tue 3/107:30 am
SJU
- SEA
2 stops16h 18m
Delta
Deal found 2/1![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:25 pm
SEA
- SJU
2 stops12h 05m
Southwest
Wed 3/410:20 am
SJU
- SEA
2 stops15h 30m
Southwest
Deal found 1/31![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
SEA
- SJU
1 stop10h 00m
United Airlines
Mon 2/232:05 am
SJU
- SEA
1 stop13h 09m
United Airlines
Deal found 2/2![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 am
SEA
- SJU
1 stop9h 33m
United Airlines
Mon 5/113:56 pm
SJU
- SEA
1 stop11h 01m
United Airlines
Deal found 2/3![United Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:57 pm
SEA
- MBJ
1 stop11h 56m
American Airlines
Sat 3/73:53 pm
MBJ
- SEA
1 stop10h 14m
American Airlines
Deal found 1/31![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:20 pm
SEA
- MBJ
2 stops17h 45m
United Airlines
Tue 3/242:20 pm
MBJ
- SEA
1 stop10h 39m
United Airlines
Deal found 2/1![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:30 am
SEA
- SJU
1 stop11h 08m
United Airlines
Mon 5/43:56 pm
SJU
- SEA
1 stop11h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:00 am
SEA
- SJU
2 stops12h 34m
United Airlines
Fri 5/11:00 am
SJU
- SEA
2 stops13h 39m
United Airlines
Deal found 2/2![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:59 pm
SEA
- MBJ
2 stops11h 27m
American Airlines
Thu 3/1210:07 am
MBJ
- SEA
2 stops15h 06m
American Airlines
Deal found 2/3![American Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
SEA
- SJU
1 stop11h 45m
United Airlines
Fri 4/241:00 am
SJU
- SEA
1 stop12h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$426
This Faresmojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1411:59 pm
SEA
- SJU
1 stop10h 48m
JetBlue
Sun 6/211:45 pm
SJU
- SEA
1 stop11h 55m
JetBlue
Deal found 2/1![JetBlue logo]()
$427
Best flights from Seattle to CaribbeanDiscover carefully curated flight deals from Seattle to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Seattle to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:15 pm
SEA
- SJU
1 stop10h 45m
Delta
Tue 3/107:30 am
SJU
- SEA
2 stops16h 18m
Delta
Deal found 2/2![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
SEA
- SJU
1 stop10h 00m
United Airlines
Mon 2/232:05 am
SJU
- SEA
1 stop13h 09m
United Airlines
Deal found 2/2![United Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:57 pm
SEA
- MBJ
1 stop11h 56m
American Airlines
Sat 3/73:53 pm
MBJ
- SEA
1 stop10h 14m
American Airlines
Deal found 1/31![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:05 pm
SEA
- STT
2 stops20h 50m
Southwest
Thu 3/52:50 pm
STT
- SEA
2 stops13h 40m
Southwest
Deal found 2/1![Southwest logo]()
$483
This Expedia deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 am
SEA
- SXM
1 stop28h 00m
Air Canada
Tue 3/104:00 pm
SXM
- SEA
1 stop33h 16m
Air Canada
Deal found 2/1![Air Canada logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2210:51 pm
SEA
- SXM
2 stops35h 24m
Multiple Airlines
Tue 3/102:20 pm
SXM
- SEA
1 stop23h 37m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:59 pm
SEA
- MBJ
1 stop10h 47m
United Airlines
Wed 3/112:20 pm
MBJ
- SEA
1 stop10h 39m
United Airlines
Deal found 2/2![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1612:13 am
SEA
- MBJ
2 stops11h 05m
American Airlines
Tue 3/241:14 pm
MBJ
- SEA
1 stop13h 10m
American Airlines
Deal found 2/2![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:35 pm
SEA
- AUA
1 stop10h 59m
Delta
Tue 5/191:55 pm
AUA
- SEA
2 stops25h 40m
Delta
Deal found 2/2![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:20 pm
SEA
- MBJ
2 stops17h 45m
United Airlines
Tue 3/242:20 pm
MBJ
- SEA
1 stop10h 39m
United Airlines
Deal found 2/1![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:15 pm
SEA
- NAS
1 stop10h 11m
Delta
Fri 2/271:15 pm
NAS
- SEA
2 stops13h 54m
Delta
Deal found 2/3![Delta logo]()
$450
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:30 am
SEA
- SJU
1 stop11h 08m
United Airlines
Mon 5/43:56 pm
SJU
- SEA
1 stop11h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:57 pm
SEA
- PUJ
2 stops12h 39m
American Airlines
Sat 2/284:36 pm
PUJ
- SEA
1 stop22h 19m
American Airlines
Deal found 2/2![American Airlines logo]()
$492
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 am
SEA
- GCM
2 stops26h 35m
Air Canada
Mon 4/1311:25 am
GCM
- SEA
2 stops33h 53m
Air Canada
Deal found 2/1![Air Canada logo]()
$544
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:40 pm
SEA
- SJU
2 stops20h 10m
Delta
Thu 3/53:10 pm
SJU
- SEA
1 stop10h 55m
Delta
Deal found 2/2![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
SEA
- SJU
1 stop11h 45m
United Airlines
Fri 4/241:00 am
SJU
- SEA
1 stop12h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$426
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:00 am
SEA
- GCM
1 stop24h 55m
Multiple Airlines
Sat 4/184:25 pm
GCM
- SEA
2 stops23h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$586
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:07 am
SEA
- STT
1 stop10h 56m
American Airlines
Fri 3/62:13 pm
STT
- SEA
1 stop14h 11m
American Airlines
Deal found 2/1![American Airlines logo]()
$494
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
SEA
- GCM
1 stop24h 55m
Air Canada
Thu 4/2311:55 am
GCM
- SEA
2 stops23h 38m
Air Canada
Deal found 2/1![Air Canada logo]()
$544
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 pm
SEA
- SJU
2 stops14h 05m
Delta
Wed 3/46:15 am
SJU
- SEA
2 stops16h 14m
Delta
Deal found 2/2![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:35 pm
SEA
- MBJ
1 stop12h 15m
United Airlines
Fri 4/171:52 pm
MBJ
- SEA
1 stop12h 27m
United Airlines
Deal found 2/1![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:57 pm
SEA
- STT
2 stops12h 32m
American Airlines
Mon 3/1612:02 pm
STT
- SEA
2 stops15h 22m
American Airlines
Deal found 2/1![American Airlines logo]()
$494
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:00 am
SEA
- GCM
1 stop24h 15m
Air Canada
Thu 4/911:55 am
GCM
- SEA
2 stops23h 38m
Air Canada
Deal found 2/1![Air Canada logo]()
$547
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:55 pm
SEA
- SJU
1 stop11h 10m
Delta
Wed 3/43:10 pm
SJU
- SEA
1 stop10h 55m
Delta
Deal found 2/2![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:59 pm
SEA
- MBJ
1 stop10h 47m
United Airlines
Sat 3/2112:40 pm
MBJ
- SEA
1 stop10h 34m
United Airlines
Deal found 2/1![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:07 am
SEA
- STT
2 stops11h 47m
American Airlines
Wed 3/2511:46 am
STT
- SEA
2 stops14h 18m
American Airlines
Deal found 2/3![American Airlines logo]()
$494
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 am
SEA
- GCM
2 stops26h 35m
Air Canada
Sun 4/1211:55 am
GCM
- SEA
1 stop11h 58m
Air Canada
Deal found 2/2![Air Canada logo]()
$556
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:35 pm
SEA
- AUA
1 stop10h 39m
Delta
Tue 5/191:55 pm
AUA
- SEA
2 stops25h 40m
Delta
Deal found 2/2![Delta logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:55 am
SEA
- KIN
1 stop27h 35m
Multiple Airlines
Mon 4/612:32 pm
KIN
- SEA
1 stop24h 19m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SEA
- SJU
1 stop10h 34m
United Airlines
Thu 4/161:40 pm
SJU
- SEA
1 stop12h 16m
United Airlines
Deal found 2/1![United Airlines logo]()
$438
Last-minute flights from Seattle to CaribbeanDiscover last-minute flight deals from Seattle to Caribbean. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Caribbean. Data last updated February 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
SEA
- SJU
1 stop10h 00m
United Airlines
Mon 2/232:05 am
SJU
- SEA
1 stop13h 09m
United Airlines
Deal found 2/2![United Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:57 pm
SEA
- MBJ
1 stop11h 56m
American Airlines
Sat 3/73:53 pm
MBJ
- SEA
1 stop10h 14m
American Airlines
Deal found 1/31![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:25 pm
SEA
- SJU
2 stops12h 05m
Southwest
Wed 3/410:20 am
SJU
- SEA
2 stops15h 30m
Southwest
Deal found 1/31![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:57 pm
SEA
- SJU
1 stop11h 14m
American Airlines
Tue 3/35:25 pm
SJU
- SEA
1 stop10h 59m
American Airlines
Deal found 2/2![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:10 am
SEA
- SJU
2 stops13h 46m
Delta
Tue 3/106:15 am
SJU
- SEA
2 stops17h 33m
Delta
Deal found 2/2![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:20 pm
SEA
- MBJ
1 stop12h 36m
Delta
Sun 3/82:42 pm
MBJ
- SEA
1 stop10h 56m
Delta
Deal found 2/1![Delta logo]()
$432
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:59 pm
SEA
- MBJ
2 stops11h 27m
American Airlines
Thu 3/1210:07 am
MBJ
- SEA
2 stops15h 06m
American Airlines
Deal found 2/3![American Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:55 pm
SEA
- PUJ
1 stop16h 08m
Multiple Airlines
Sat 3/145:47 am
PUJ
- SEA
1 stop17h 29m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:20 pm
SEA
- MBJ
2 stops17h 45m
United Airlines
Tue 3/242:20 pm
MBJ
- SEA
1 stop10h 39m
United Airlines
Deal found 2/1![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:36 pm
SEA
- MBJ
2 stops22h 10m
United Airlines
Sat 3/2112:40 pm
MBJ
- SEA
1 stop10h 34m
United Airlines
Deal found 2/1![United Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:08 am
SEA
- SJU
1 stop12h 50m
Multiple Airlines
Thu 3/2611:03 am
SJU
- SEA
1 stop13h 57m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
SEA
- SJU
1 stop10h 00m
United Airlines
Tue 3/241:05 am
SJU
- SEA
1 stop13h 05m
United Airlines
Deal found 2/2![United Airlines logo]()
$418
One-way flights from Seattle to CaribbeanSearch for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:57 pm
SEA
- SJU
2 stops44h 01m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:35 pm
SEA
- SJU
2 stops58h 32m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:24 pm
SEA
- SJU
2 stops40h 53m
Frontier
Deal found 2/1![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:16 pm
SEA
- SJU
2 stops31h 27m
Frontier
Deal found 2/2![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:08 pm
SEA
- SJU
3 stops40h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:08 pm
SEA
- SJU
3 stops24h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:24 pm
SEA
- SJU
2 stops40h 53m
Frontier
Deal found 2/1![Frontier logo]()
$184
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:55 pm
SEA
- NAS
2 stops11h 51m
American Airlines
Deal found 2/3![American Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:36 pm
SEA
- SJU
3 stops24h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:24 pm
SEA
- SJU
3 stops24h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:25 am
SEA
- SJU
1 stop9h 37m
American Airlines
Deal found 2/3![American Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/911:10 pm
SEA
- NAS
1 stop10h 16m
Delta
Deal found 2/3![Delta logo]()
$209
Find flight deals from Seattle to Caribbean
Keep the following information in mind while searching for Seattle to Caribbean flight deals. Data was last updated February 3, 2026.
Round-trip from | $379 (American Airlines) |
|---|---|
One-way from | $147 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $535 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Caribbean that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.
Fly from
Seattle
Fly to
Caribbean
Route
Depart
Return
Price
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Tue 3/3
11:15 pm-2:00 pm
1 stop10h 45m
San Juan Luis Munoz Marin Intl
Tue 3/10
7:30 am-8:48 pm
2 stops16h 18m
$384
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 2/23
7:00 am-9:00 pm
1 stop10h 00m
San Juan Luis Munoz Marin Intl
Mon 2/23
2:05 am-11:14 am
1 stop13h 09m
$417
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Sat 2/28
11:57 pm-2:53 pm
1 stop11h 56m
Montego Bay Sangster Intl
Sat 3/7
3:53 pm-11:07 pm
1 stop10h 14m
$419
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Wed 3/4
11:59 pm-1:46 pm
1 stop10h 47m
Montego Bay Sangster Intl
Wed 3/11
2:20 pm-10:59 pm
1 stop10h 39m
$420
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Tue 3/17
5:20 pm-1:05 pm
2 stops17h 45m
Montego Bay Sangster Intl
Tue 3/24
2:20 pm-10:59 pm
1 stop10h 39m
$420
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 4/27
6:30 am-8:38 pm
1 stop11h 08m
San Juan Luis Munoz Marin Intl
Mon 5/4
3:56 pm-11:57 pm
1 stop11h 01m
$420
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Mon 3/16
12:13 am-1:18 pm
2 stops11h 05m
Montego Bay Sangster Intl
Tue 3/24
1:14 pm-12:24 am
1 stop13h 10m
$425
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 4/18
11:59 pm-2:44 pm
1 stop11h 45m
San Juan Luis Munoz Marin Intl
Fri 4/24
1:00 am-10:45 am
1 stop12h 45m
$426
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Fri 4/10
10:35 pm-12:50 pm
1 stop12h 15m
Montego Bay Sangster Intl
Fri 4/17
1:52 pm-12:19 am
1 stop12h 27m
$431
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Tue 3/17
11:59 pm-12:46 pm
1 stop10h 47m
Montego Bay Sangster Intl
Sat 3/21
12:40 pm-9:14 pm
1 stop10h 34m
$431
Showing 1-10 of 60 results
Best time to book a flight from Seattle to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from Seattle with our price prediction graph.
SEA-SJU
SEA-MBJ
SEA-STT
SEA-SXM
SEA-AUA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Caribbean
SEA-0CB
SEA-SJU
SEA-MBJ
SEA-STT
SEA-SXM
What is the cheapest month to book a flight from Seattle to Caribbean?
Currently, January is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $215). Flying from Seattle to Caribbean in July is currently the most expensive (average of $477). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Caribbean
Get insights into the airlines that provide service to Caribbean. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean. Reviews last updated February 3, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Seattle to Caribbean have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Seattle to Caribbean
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Caribbean by cabin class
Find flights from Seattle to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Caribbean flights
Browse other Seattle and Caribbean flight options. Last updated on February 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Caribbean countries
Consider these flights traveling to countries located in Caribbean.
Seattle to Caribbean flights
Consider these flights traveling from Seattle to Caribbean.
Top 10 airlines flying from Seattle to Caribbean
Discover the top 10 airlines that operate flights from Seattle to Caribbean. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$341 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$659 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$606 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$529 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$340 | Average$708 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$363 | Average$694 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$368 | Average$762 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$454 | Average$810 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$521 | Average$753 | FlexibilityNo cancel fee | On-time63% |