$140+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Apr 27 — May 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Caribbean
Cheapest
Best
Last-minute
One-way
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 March 28, 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 March 28, 2026.
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Fri 4/2411:07 am
SEA
- MBJ
2 stops23h 05m
Frontier
Tue 5/51:16 pm
MBJ
- SEA
2 stops22h 33m
Frontier
Deal found 3/25![Frontier logo]()
$370
This Priceline deal was found by Cheapflights users on 3/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:06 am
SEA
- MBJ
2 stops23h 05m
Frontier
Mon 5/111:16 pm
MBJ
- SEA
2 stops22h 33m
Frontier
Deal found 3/24![Frontier logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/711:55 pm
SEA
- STT
2 stops13h 20m
American Airlines
Tue 5/125:05 pm
STT
- SEA
2 stops20h 43m
American Airlines
Deal found 3/27![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/1611:59 pm
SEA
- STT
1 stop12h 32m
United Airlines
Thu 4/301:22 pm
STT
- SEA
1 stop12h 30m
United Airlines
Deal found 3/26![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/66:22 pm
SEA
- STT
2 stops14h 13m
American Airlines
Tue 4/212:05 pm
STT
- SEA
1 stop12h 39m
American Airlines
Deal found 3/26![American Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 10/66:35 am
SEA
- SJU
2 stops13h 05m
Southwest
Tue 10/275:00 am
SJU
- SEA
2 stops13h 45m
Southwest
Deal found 3/23![Southwest logo]()
$454
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:06 am
SEA
- MBJ
2 stops23h 05m
Frontier
Wed 5/131:16 pm
MBJ
- SEA
2 stops22h 33m
Frontier
Deal found 3/26![Frontier logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/276:19 pm
SEA
- SJU
2 stops11h 54m
American Airlines
Mon 5/411:59 pm
SJU
- SEA
1 stop12h 36m
American Airlines
Deal found 3/28![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 5/710:16 pm
SEA
- STT
1 stop14h 59m
American Airlines
Mon 5/1112:25 pm
STT
- SEA
1 stop14h 19m
American Airlines
Deal found 3/26![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/296:00 am
SEA
- SJU
1 stop11h 51m
American Airlines
Wed 5/611:59 pm
SJU
- SEA
1 stop16h 16m
American Airlines
Deal found 3/25![American Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/1610:55 pm
SEA
- SJU
1 stop11h 50m
United Airlines
Tue 4/212:55 pm
SJU
- SEA
1 stop11h 17m
United Airlines
Deal found 3/27![United Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 12/108:15 am
SEA
- SJU
1 stop17h 04m
American Airlines
Fri 12/112:05 pm
SJU
- SEA
2 stops13h 33m
American Airlines
Deal found 3/23![American Airlines logo]()
$469
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 March 28, 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 March 28, 2026.
This Delta deal was found by Cheapflights users on 3/25. 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 6/26:00 am
SEA
- SJU
1 stop13h 17m
Delta
Thu 6/112:04 pm
SJU
- SEA
2 stops12h 55m
Delta
Deal found 3/25![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/207:37 pm
SEA
- STT
2 stops16h 54m
United Airlines
Thu 4/232:10 pm
STT
- SEA
1 stop13h 24m
United Airlines
Deal found 3/23![United Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 3/28. 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 8/1611:00 pm
SEA
- MBJ
2 stops12h 15m
Southwest
Thu 8/2712:15 pm
MBJ
- SEA
2 stops14h 05m
Southwest
Deal found 3/28![Southwest logo]()
$534
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/241:33 pm
SEA
- MBJ
1 stop17h 40m
American Airlines
Fri 5/110:17 am
MBJ
- SEA
1 stop12h 47m
American Airlines
Deal found 3/26![American Airlines logo]()
$594
This Expedia deal was found by Cheapflights users on 3/23. 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.
Fri 5/298:00 am
SEA
- BGI
1 stop28h 20m
Air Canada
Thu 6/44:20 pm
BGI
- SEA
1 stop31h 48m
Air Canada
Deal found 3/23![Air Canada logo]()
$634
This Mytrip deal was found by Cheapflights users on 3/28. 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.
Thu 5/287:35 pm
SEA
- NAS
2 stops18h 55m
Multiple Airlines
Fri 6/512:00 pm
NAS
- SEA
3 stops25h 05m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$637
This Copa Airlines deal was found by Cheapflights users on 3/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:45 am
SEA
- PUJ
2 stops26h 15m
Copa Airlines
Wed 4/295:35 am
PUJ
- SEA
2 stops20h 52m
Copa Airlines
Deal found 3/27![Copa Airlines logo]()
$711
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:20 pm
SEA
- SXM
1 stop12h 22m
JetBlue
Fri 8/2811:10 am
SXM
- SEA
1 stop12h 55m
JetBlue
Deal found 3/27![JetBlue logo]()
$835
This Delta deal was found by Cheapflights users on 3/24. 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 6/110:35 pm
SEA
- SJU
1 stop14h 54m
Delta
Thu 6/112:04 pm
SJU
- SEA
2 stops12h 55m
Delta
Deal found 3/24![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/2610:55 pm
SEA
- STT
1 stop11h 13m
United Airlines
Wed 4/291:22 pm
STT
- SEA
1 stop13h 24m
United Airlines
Deal found 3/27![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 3/25. 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 5/14:05 pm
SEA
- SDQ
1 stop18h 07m
Delta
Wed 5/66:05 am
SDQ
- SEA
1 stop17h 15m
Delta
Deal found 3/25![Delta logo]()
$511
This Southwest deal was found by Cheapflights users on 3/25. 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.
Thu 7/911:05 pm
SEA
- MBJ
1 stop12h 50m
Southwest
Tue 7/141:50 pm
MBJ
- SEA
1 stop12h 30m
Southwest
Deal found 3/25![Southwest logo]()
$568
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/275:45 pm
SEA
- SJU
2 stops17h 00m
United Airlines
Fri 5/17:20 am
SJU
- SEA
1 stop11h 22m
United Airlines
Deal found 3/24![United Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 3/26. 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 8/2612:34 am
SEA
- MBJ
1 stop9h 57m
American Airlines
Mon 8/313:20 pm
MBJ
- SEA
1 stop10h 22m
American Airlines
Deal found 3/26![American Airlines logo]()
$594
This Delta deal was found by Cheapflights users on 3/27. 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 4/1911:14 pm
SEA
- SDQ
2 stops16h 20m
Delta
Fri 4/246:05 am
SDQ
- SEA
1 stop16h 54m
Delta
Deal found 3/27![Delta logo]()
$515
This Southwest deal was found by Cheapflights users on 3/26. 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.
Thu 4/2311:55 pm
SEA
- NAS
2 stops15h 35m
Southwest
Thu 4/308:45 am
NAS
- SEA
2 stops13h 20m
Southwest
Deal found 3/26![Southwest logo]()
$571
This Expedia deal was found by Cheapflights users on 3/25. 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.
Thu 6/45:45 am
SEA
- BGI
2 stops30h 35m
Air Canada
Mon 6/84:20 pm
BGI
- SEA
1 stop31h 48m
Air Canada
Deal found 3/25![Air Canada logo]()
$636
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/17:05 pm
SEA
- SJU
2 stops15h 40m
United Airlines
Mon 5/41:00 am
SJU
- SEA
2 stops17h 51m
United Airlines
Deal found 3/24![United Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 3/24. 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 5/1010:16 pm
SEA
- SDQ
1 stop21h 39m
American Airlines
Fri 5/156:00 am
SDQ
- SEA
1 stop20h 44m
American Airlines
Deal found 3/24![American Airlines logo]()
$604
This Delta deal was found by Cheapflights users on 3/23. 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 4/174:36 pm
SEA
- SDQ
2 stops16h 55m
Delta
Sat 4/256:05 am
SDQ
- SEA
1 stop16h 54m
Delta
Deal found 3/23![Delta logo]()
$515
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/298:00 am
SEA
- SJU
1 stop10h 24m
United Airlines
Wed 5/67:20 am
SJU
- SEA
2 stops18h 27m
United Airlines
Deal found 3/26![United Airlines logo]()
$526
This Southwest deal was found by Cheapflights users on 3/27. 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.
Mon 4/136:15 pm
SEA
- NAS
2 stops16h 00m
Southwest
Fri 4/248:45 am
NAS
- SEA
2 stops13h 20m
Southwest
Deal found 3/27![Southwest logo]()
$580
This Copa Airlines deal was found by Cheapflights users on 3/23. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:05 pm
SEA
- PUJ
2 stops19h 29m
Copa Airlines
Sat 6/65:37 am
PUJ
- SEA
2 stops20h 42m
Copa Airlines
Deal found 3/23![Copa Airlines logo]()
$711
This Air Canada deal was found by Cheapflights users on 3/24. 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.
Fri 5/298:00 am
SEA
- BGI
1 stop28h 20m
Air Canada
Mon 6/14:20 pm
BGI
- SEA
1 stop31h 48m
Air Canada
Deal found 3/24![Air Canada logo]()
$655
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/211:33 pm
SEA
- AUA
2 stops13h 52m
American Airlines
Thu 5/75:25 pm
AUA
- SEA
2 stops19h 10m
American Airlines
Deal found 3/27![American Airlines logo]()
$618
This Delta deal was found by Cheapflights users on 3/25. 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 5/64:00 pm
SEA
- SDQ
1 stop17h 28m
Delta
Sat 5/166:05 am
SDQ
- SEA
2 stops15h 44m
Delta
Deal found 3/25![Delta logo]()
$515
This Orbitz deal was found by Cheapflights users on 3/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:20 pm
SEA
- BGI
1 stop11h 32m
Multiple Airlines
Wed 9/94:20 pm
BGI
- SEA
2 stops25h 02m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$757
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 5/265:35 pm
SEA
- PUJ
2 stops16h 05m
Southwest
Thu 6/42:40 pm
PUJ
- SEA
1 stop12h 45m
Southwest
Deal found 3/23![Southwest logo]()
$582
This Copa Airlines deal was found by Cheapflights users on 3/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:37 pm
SEA
- PUJ
2 stops18h 54m
Copa Airlines
Sat 5/25:35 am
PUJ
- SEA
2 stops20h 54m
Copa Airlines
Deal found 3/27![Copa Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/1310:16 pm
SEA
- AUA
1 stop15h 09m
American Airlines
Mon 5/185:25 pm
AUA
- SEA
2 stops20h 23m
American Airlines
Deal found 3/27![American Airlines logo]()
$619
Last-minute flights from Seattle to CaribbeanDiscover last-minute flight deals from Seattle to Caribbean. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Caribbean. Data last updated March 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/11:44 pm
SEA
- STT
1 stop18h 22m
American Airlines
Mon 4/63:40 pm
STT
- SEA
1 stop11h 00m
American Airlines
Deal found 3/24![American Airlines logo]()
$475
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/66:22 pm
SEA
- STT
2 stops14h 13m
American Airlines
Tue 4/212:05 pm
STT
- SEA
1 stop12h 39m
American Airlines
Deal found 3/26![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/1211:55 pm
SEA
- STT
2 stops13h 20m
American Airlines
Thu 4/1612:25 pm
STT
- SEA
2 stops15h 11m
American Airlines
Deal found 3/27![American Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 3/24. 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.
Tue 4/146:00 am
SEA
- SJU
2 stops13h 40m
Southwest
Thu 4/232:00 pm
SJU
- SEA
2 stops13h 05m
Southwest
Deal found 3/24![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/1611:59 pm
SEA
- STT
1 stop12h 32m
United Airlines
Thu 4/301:22 pm
STT
- SEA
1 stop12h 30m
United Airlines
Deal found 3/26![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/1610:55 pm
SEA
- SJU
1 stop11h 50m
United Airlines
Tue 4/212:55 pm
SJU
- SEA
1 stop11h 17m
United Airlines
Deal found 3/27![United Airlines logo]()
$467
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Fri 4/2411:07 am
SEA
- MBJ
2 stops23h 05m
Frontier
Tue 5/51:16 pm
MBJ
- SEA
2 stops22h 33m
Frontier
Deal found 3/25![Frontier logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 4/265:00 am
SEA
- SJU
1 stop9h 38m
United Airlines
Sun 5/33:56 pm
SJU
- SEA
1 stop11h 03m
United Airlines
Deal found 3/28![United Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/2710:16 pm
SEA
- SJU
1 stop11h 13m
American Airlines
Mon 5/411:59 pm
SJU
- SEA
1 stop12h 36m
American Airlines
Deal found 3/28![American Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/296:00 am
SEA
- SJU
1 stop11h 51m
American Airlines
Wed 5/611:59 pm
SJU
- SEA
1 stop16h 16m
American Airlines
Deal found 3/25![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/297:09 am
SEA
- SJU
1 stop18h 23m
American Airlines
Thu 5/146:00 am
SJU
- SEA
1 stop18h 23m
American Airlines
Deal found 3/25![American Airlines logo]()
$469
This eDestinos deal was found by Cheapflights users on 3/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:32 pm
SEA
- SJU
2 stops22h 24m
Multiple Airlines
Thu 5/146:41 pm
SJU
- SEA
3 stops42h 41m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$487
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 March 28, 2026.
Search for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Wed 5/67:50 pm
SEA
- SJU
2 stops26h 00m
Frontier
Deal found 3/24![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sat 4/257:12 pm
SEA
- SJU
2 stops38h 38m
Frontier
Deal found 3/26![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Fri 5/111:07 am
SEA
- SJU
2 stops18h 46m
Frontier
Deal found 3/26![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Wed 4/297:12 pm
SEA
- SJU
2 stops43h 55m
Frontier
Deal found 3/26![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sat 5/27:12 pm
SEA
- SJU
2 stops35h 42m
Frontier
Deal found 3/26![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sat 5/166:52 pm
SEA
- SJU
2 stops50h 58m
Frontier
Deal found 3/26![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/3010:57 am
SEA
- SJU
2 stops36h 04m
Frontier
Deal found 3/26![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/274:20 pm
SEA
- SJU
2 stops14h 10m
Frontier
Deal found 3/28![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sat 5/237:50 pm
SEA
- SJU
2 stops31h 34m
Frontier
Deal found 3/26![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/244:20 pm
SEA
- SJU
2 stops14h 34m
Frontier
Deal found 3/25![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/237:12 pm
SEA
- SJU
2 stops40h 21m
Frontier
Deal found 3/24![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Sat 5/27:12 pm
SEA
- AUA
3 stops40h 24m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$182
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 March 28, 2026.
Round-trip from | $370 (FlightHub) |
|---|---|
One-way from | $140 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $597 |
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 March 28, 2026.
Use the filters below to find and compare flights from Seattle to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Tue 6/2
6:00 am-10:17 pm
1 stop13h 17m
San Juan Luis Munoz Marin Intl
Thu 6/11
2:04 pm-11:59 pm
2 stops12h 55m
$474
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 6/1
10:35 pm-4:29 pm
1 stop14h 54m
San Juan Luis Munoz Marin Intl
Thu 6/11
2:04 pm-11:59 pm
2 stops12h 55m
$474
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Mon 4/20
7:37 pm-3:31 pm
2 stops16h 54m
Saint Thomas Island Cyril E King
Thu 4/23
2:10 pm-12:34 am
1 stop13h 24m
$510
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sun 4/26
10:55 pm-1:08 pm
1 stop11h 13m
Saint Thomas Island Cyril E King
Wed 4/29
1:22 pm-11:46 pm
1 stop13h 24m
$510
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Fri 5/1
4:05 pm-1:12 pm
1 stop18h 07m
Santo Domingo Las Americas
Wed 5/6
6:05 am-8:20 pm
1 stop17h 15m
$511
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Sun 4/19
11:14 pm-6:34 pm
2 stops16h 20m
Santo Domingo Las Americas
Fri 4/24
6:05 am-7:59 pm
1 stop16h 54m
$515
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Fri 4/17
4:36 pm-12:31 pm
2 stops16h 55m
Santo Domingo Las Americas
Sat 4/25
6:05 am-7:59 pm
1 stop16h 54m
$515
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Wed 5/6
4:00 pm-12:28 pm
1 stop17h 28m
Santo Domingo Las Americas
Sat 5/16
6:05 am-6:49 pm
2 stops15h 44m
$515
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 4/27
5:45 pm-1:45 pm
2 stops17h 00m
San Juan Luis Munoz Marin Intl
Fri 5/1
7:20 am-3:42 pm
1 stop11h 22m
$526
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 5/1
7:05 pm-1:45 pm
2 stops15h 40m
San Juan Luis Munoz Marin Intl
Mon 5/4
1:00 am-3:51 pm
2 stops17h 51m
$526
Showing 1-10 of 60 resultsSorted by cheapest first
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-MBJ
SEA-STT
SEA-SJU
SEA-AUA
SEA-BGI
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-MBJ
SEA-STT
SEA-SJU
SEA-AUA
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 $417). 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 March 28, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top countries
Top destinations
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 March 28, 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 March 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$214 | Average$656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$349 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$292 | Average$599 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$327 | Average$512 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$349 | Average$762 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$363 | Average$681 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$454 | Average$828 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$521 | Average$681 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$587 | Average$804 | FlexibilityNo cancel fee | On-time75% |