$138+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Mar 28 — Apr 41
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 26, 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 26, 2026.
This KAYAK deal was found by Cheapflights users on 2/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:45 am
SEA
- SJU
1 stop10h 43m
JetBlue
Thu 9/101:25 pm
SJU
- SEA
1 stop11h 59m
JetBlue
Deal found 2/24![JetBlue logo]()
$393
This Southwest deal was found by Cheapflights users on 2/25. 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.
Tue 4/289:20 am
SEA
- SJU
2 stops11h 20m
Southwest
Wed 5/65:05 am
SJU
- SEA
2 stops16h 25m
Southwest
Deal found 2/25![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
SEA
- SJU
1 stop10h 24m
United Airlines
Wed 5/67:00 am
SJU
- SEA
2 stops14h 32m
United Airlines
Deal found 2/25![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 2/25. 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.
Tue 4/286:00 am
SEA
- SJU
2 stops13h 40m
Southwest
Thu 5/142:00 pm
SJU
- SEA
2 stops13h 05m
Southwest
Deal found 2/25![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 2/25. 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 stop12h 53m
American Airlines
Thu 5/143:08 pm
SJU
- SEA
1 stop12h 28m
American Airlines
Deal found 2/25![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Mon 4/1310:16 pm
SEA
- SJU
1 stop16h 54m
American Airlines
Wed 4/156:00 am
SJU
- SEA
1 stop18h 23m
American Airlines
Deal found 2/25![American Airlines logo]()
$409
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:10 pm
SEA
- SDQ
2 stops40h 42m
Frontier
Wed 4/86:57 pm
SDQ
- SEA
2 stops19h 40m
Frontier
Deal found 2/25![Frontier logo]()
$413
This Delta deal was found by Cheapflights users on 2/23. 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.
Sat 4/2510:40 pm
SEA
- SJU
1 stop14h 51m
Delta
Thu 4/301:25 pm
SJU
- SEA
1 stop12h 06m
Delta
Deal found 2/23![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Tue 4/2810:25 am
SEA
- SJU
1 stop9h 37m
American Airlines
Thu 5/1411:59 pm
SJU
- SEA
1 stop12h 36m
American Airlines
Deal found 2/25![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 3/2411:59 pm
SEA
- STT
1 stop10h 31m
United Airlines
Tue 3/312:10 pm
STT
- SEA
1 stop11h 27m
United Airlines
Deal found 2/23![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Sat 4/188:00 am
SEA
- SJU
1 stop10h 24m
United Airlines
Sat 4/257:00 am
SJU
- SEA
2 stops14h 35m
United Airlines
Deal found 2/26![United Airlines logo]()
$427
This Priceline deal was found by Cheapflights users on 2/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:45 am
SEA
- SJU
1 stop10h 43m
JetBlue
Sat 9/126:00 am
SJU
- SEA
1 stop19h 24m
JetBlue
Deal found 2/23![JetBlue logo]()
$431
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 26, 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 26, 2026.
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/244:31 pm
SEA
- STT
2 stops17h 25m
United Airlines
Tue 3/312:10 pm
STT
- SEA
1 stop11h 27m
United Airlines
Deal found 2/22![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 2/22. 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 3/1011:30 pm
SEA
- STT
1 stop12h 15m
Delta
Wed 3/2512:49 pm
STT
- SEA
2 stops14h 14m
Delta
Deal found 2/22![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/3112:07 am
SEA
- STT
2 stops11h 47m
American Airlines
Mon 4/61:53 pm
STT
- SEA
1 stop12h 47m
American Airlines
Deal found 2/22![American Airlines logo]()
$462
This CheapOair deal was found by Cheapflights users on 2/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:40 pm
SEA
- SDQ
2 stops38h 13m
Frontier
Wed 4/86:57 pm
SDQ
- SEA
2 stops43h 40m
Frontier
Deal found 2/22![Frontier logo]()
$510
This Southwest deal was found by Cheapflights users on 2/22. 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 4/194:45 pm
SEA
- PUJ
2 stops16h 55m
Southwest
Thu 4/232:05 pm
PUJ
- SEA
2 stops13h 00m
Southwest
Deal found 2/22![Southwest logo]()
$543
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:39 pm
SEA
- BGI
1 stop12h 17m
JetBlue
Mon 6/225:05 pm
BGI
- SEA
1 stop31h 00m
JetBlue
Deal found 2/24![JetBlue logo]()
$549
This Orbitz deal was found by Cheapflights users on 2/23. 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.
Thu 5/77:20 pm
SEA
- BGI
2 stops41h 00m
Air Canada
Mon 5/114:20 pm
BGI
- SEA
2 stops25h 00m
Air Canada
Deal found 2/23![Air Canada logo]()
$593
This Mytrip deal was found by Cheapflights users on 2/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:00 am
SEA
- NAS
1 stop25h 55m
Multiple Airlines
Sun 3/298:45 pm
NAS
- SEA
3 stops25h 35m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$615
This Copa Airlines deal was found by Cheapflights users on 2/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:31 pm
SEA
- SDQ
2 stops20h 43m
Copa Airlines
Fri 3/138:48 am
SDQ
- SEA
2 stops17h 28m
Copa Airlines
Deal found 2/25![Copa Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/911:59 pm
SEA
- STT
1 stop12h 19m
United Airlines
Tue 3/242:35 pm
STT
- SEA
1 stop11h 24m
United Airlines
Deal found 2/23![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 3/910:58 pm
SEA
- STT
1 stop11h 02m
Delta
Tue 3/241:55 pm
STT
- SEA
2 stops13h 08m
Delta
Deal found 2/23![Delta logo]()
$420
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:59 pm
SEA
- SJU
1 stop11h 45m
United Airlines
Tue 4/281:00 am
SJU
- SEA
2 stops15h 16m
United Airlines
Deal found 2/25![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 2/22. 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 5/134:00 pm
SEA
- SDQ
1 stop17h 28m
Delta
Wed 6/36:05 am
SDQ
- SEA
1 stop19h 40m
Delta
Deal found 2/22![Delta logo]()
$471
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/305:30 am
SEA
- SDQ
2 stops14h 23m
American Airlines
Wed 4/82:25 pm
SDQ
- SEA
1 stop12h 19m
American Airlines
Deal found 2/22![American Airlines logo]()
$550
This Southwest deal was found by Cheapflights users on 2/25. 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.
Mon 4/276:15 pm
SEA
- NAS
2 stops16h 00m
Southwest
Sat 5/21:05 pm
NAS
- SEA
2 stops12h 55m
Southwest
Deal found 2/25![Southwest logo]()
$567
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/110:49 pm
SEA
- SDQ
2 stops12h 21m
United Airlines
Wed 5/61:10 pm
SDQ
- SEA
1 stop13h 49m
United Airlines
Deal found 2/24![United Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 2/25. 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.
Sun 4/2610:40 pm
SEA
- MBJ
1 stop10h 47m
Delta
Thu 4/302:10 pm
MBJ
- SEA
1 stop11h 43m
Delta
Deal found 2/25![Delta logo]()
$474
This Air Canada deal was found by Cheapflights users on 2/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:40 am
SEA
- BGI
2 stops29h 05m
Air Canada
Tue 4/143:15 pm
BGI
- SEA
2 stops31h 05m
Air Canada
Deal found 2/25![Air Canada logo]()
$602
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 4/173:48 pm
SEA
- SDQ
2 stops17h 07m
United Airlines
Wed 4/221:10 pm
SDQ
- SEA
1 stop13h 36m
United Airlines
Deal found 2/23![United Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 3/93:59 pm
SEA
- PLS
1 stop17h 51m
Delta
Thu 3/121:25 pm
PLS
- SEA
1 stop11h 55m
Delta
Deal found 2/23![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 4/247:05 pm
SEA
- SJU
2 stops13h 59m
United Airlines
Fri 5/13:56 pm
SJU
- SEA
1 stop11h 03m
United Airlines
Deal found 2/23![United Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 2/25. 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.
Sun 8/911:00 pm
SEA
- NAS
2 stops10h 15m
Southwest
Sun 8/161:10 pm
NAS
- SEA
2 stops14h 40m
Southwest
Deal found 2/25![Southwest logo]()
$669
This Delta deal was found by Cheapflights users on 2/25. 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 3/107:35 pm
SEA
- PLS
2 stops13h 25m
Delta
Fri 3/131:25 pm
PLS
- SEA
1 stop11h 55m
Delta
Deal found 2/25![Delta logo]()
$514
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:20 pm
SEA
- BGI
2 stops17h 00m
Air Canada
Mon 6/224:20 pm
BGI
- SEA
2 stops33h 02m
Air Canada
Deal found 2/24![Air Canada logo]()
$691
This FlightHub deal was found by Cheapflights users on 2/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:20 pm
SEA
- BGI
1 stop14h 19m
Multiple Airlines
Sun 7/54:20 pm
BGI
- SEA
1 stop31h 47m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$775
This American Airlines deal was found by Cheapflights users on 2/25. 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 5/136:19 pm
SEA
- SXM
2 stops14h 18m
American Airlines
Wed 5/274:43 pm
SXM
- SEA
2 stops21h 12m
American Airlines
Deal found 2/25![American Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 2/22. 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 5/111:59 pm
SEA
- STT
1 stop12h 44m
United Airlines
Fri 5/82:10 pm
STT
- SEA
1 stop12h 49m
United Airlines
Deal found 2/22![United Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 2/22. 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.
Fri 4/108:00 am
SEA
- SJU
2 stops12h 55m
Southwest
Sat 4/185:15 am
SJU
- SEA
2 stops20h 45m
Southwest
Deal found 2/22![Southwest logo]()
$686
This FlightHub deal was found by Cheapflights users on 2/25. 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.
Sun 8/93:00 pm
SEA
- BGI
2 stops21h 25m
Air Canada
Sun 8/164:20 pm
BGI
- SEA
1 stop31h 47m
Air Canada
Deal found 2/25![Air Canada logo]()
$695
This Delta deal was found by Cheapflights users on 2/25. 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 4/1410:40 pm
SEA
- PUJ
1 stop11h 00m
Delta
Thu 4/232:20 pm
PUJ
- SEA
1 stop12h 34m
Delta
Deal found 2/25![Delta logo]()
$539
Last-minute flights from Seattle to CaribbeanDiscover last-minute flight deals from Seattle to Caribbean. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Caribbean. Data last updated February 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:55 pm
SEA
- STT
1 stop11h 05m
Delta
Thu 3/123:00 pm
STT
- SEA
1 stop11h 55m
Delta
Deal found 2/26![Delta logo]()
$445
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 3/2310:16 pm
SEA
- SJU
1 stop11h 17m
American Airlines
Wed 4/83:44 pm
SJU
- SEA
1 stop11h 00m
American Airlines
Deal found 2/24![American Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 3/2411:59 pm
SEA
- STT
1 stop10h 31m
United Airlines
Tue 3/312:10 pm
STT
- SEA
1 stop11h 27m
United Airlines
Deal found 2/23![United Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:05 am
SEA
- SDQ
1 stop29h 24m
Multiple Airlines
Wed 4/13:01 pm
SDQ
- SEA
1 stop33h 59m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 2/23. 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.
Tue 3/246:00 am
SEA
- SDQ
2 stops14h 53m
Delta
Mon 3/308:25 pm
SDQ
- SEA
2 stops25h 01m
Delta
Deal found 2/23![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 2/24. 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.
Tue 3/246:15 am
SEA
- SJU
1 stop11h 03m
Delta
Tue 3/311:00 pm
SJU
- SEA
2 stops14h 03m
Delta
Deal found 2/24![Delta logo]()
$476
This CheapOair deal was found by Cheapflights users on 2/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:08 pm
SEA
- SDQ
2 stops56h 33m
Frontier
Wed 4/16:57 pm
SDQ
- SEA
2 stops43h 40m
Frontier
Deal found 2/23![Frontier logo]()
$455
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/256:00 am
SEA
- SJU
1 stop11h 34m
American Airlines
Wed 4/11:23 pm
SJU
- SEA
1 stop13h 17m
American Airlines
Deal found 2/23![American Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 2/26. 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.
Sun 3/295:30 am
SEA
- SJU
1 stop14h 01m
American Airlines
Fri 4/31:23 pm
SJU
- SEA
1 stop13h 17m
American Airlines
Deal found 2/26![American Airlines logo]()
$464
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:10 pm
SEA
- SDQ
2 stops40h 42m
Frontier
Wed 4/86:57 pm
SDQ
- SEA
2 stops19h 40m
Frontier
Deal found 2/25![Frontier logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/3010:43 pm
SEA
- SDQ
1 stop11h 32m
Multiple Airlines
Tue 4/142:20 pm
SDQ
- SEA
1 stop23h 31m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/318:05 am
SEA
- SDQ
1 stop29h 24m
Multiple Airlines
Mon 4/62:52 am
SDQ
- SEA
1 stop10h 59m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$482
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 26, 2026.
Search for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Mon 5/47:12 pm
SEA
- SDQ
2 stops42h 17m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/2510:57 am
SEA
- SJU
2 stops24h 11m
Frontier
Deal found 2/25![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 5/111:07 am
SEA
- SJU
2 stops18h 46m
Frontier
Deal found 2/25![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Sat 5/96:57 pm
SEA
- SJU
2 stops43h 33m
Frontier
Deal found 2/24![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Sat 5/27:12 pm
SEA
- SJU
2 stops43h 47m
Frontier
Deal found 2/24![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Mon 4/2710:57 am
SEA
- SJU
2 stops32h 51m
Frontier
Deal found 2/25![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/177:12 pm
SEA
- SJU
2 stops39h 54m
Frontier
Deal found 2/22![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Thu 4/3010:57 am
SEA
- SJU
2 stops19h 26m
Frontier
Deal found 2/25![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/257:12 pm
SEA
- SJU
3 stops38h 21m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Sun 4/2611:12 am
SEA
- SJU
2 stops35h 49m
Frontier
Deal found 2/25![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Mon 5/44:20 pm
SEA
- SJU
3 stops19h 11m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- MBJ
3 stops37h 47m
Multiple Airlines
Deal found 2/23![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 February 26, 2026.
Round-trip from | $394 (Southwest) |
|---|---|
One-way from | $138 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $544 |
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 26, 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
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 3/24
4:31 pm-12:56 pm
2 stops17h 25m
Saint Thomas Island Cyril E King
Tue 3/31
2:10 pm-10:37 pm
1 stop11h 27m
$420
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 3/10
11:30 pm-2:45 pm
1 stop12h 15m
Saint Thomas Island Cyril E King
Wed 3/25
12:49 pm-12:03 am
2 stops14h 14m
$420
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Mon 3/9
11:59 pm-3:18 pm
1 stop12h 19m
Saint Thomas Island Cyril E King
Tue 3/24
2:35 pm-10:59 pm
1 stop11h 24m
$420
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Mon 3/9
10:58 pm-1:00 pm
1 stop11h 02m
Saint Thomas Island Cyril E King
Tue 3/24
1:55 pm-12:03 am
2 stops13h 08m
$420
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 3/31
12:07 am-2:54 pm
2 stops11h 47m
Saint Thomas Island Cyril E King
Mon 4/6
1:53 pm-11:40 pm
1 stop12h 47m
$462
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 4/13
11:59 pm-2:44 pm
1 stop11h 45m
San Juan Luis Munoz Marin Intl
Tue 4/28
1:00 am-1:16 pm
2 stops15h 16m
$468
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Wed 5/13
4:00 pm-12:28 pm
1 stop17h 28m
Santo Domingo Las Americas
Wed 6/3
6:05 am-10:45 pm
1 stop19h 40m
$471
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Fri 5/1
10:49 pm-2:10 pm
2 stops12h 21m
Santo Domingo Las Americas
Wed 5/6
1:10 pm-11:59 pm
1 stop13h 49m
$471
SeattleSanto Domingo
SEA - SDQ
SEASDQ
Seattle/Tacoma Intl
Fri 4/17
3:48 pm-11:55 am
2 stops17h 07m
Santo Domingo Las Americas
Wed 4/22
1:10 pm-11:46 pm
1 stop13h 36m
$471
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Sun 4/26
10:40 pm-11:27 am
1 stop10h 47m
Montego Bay Sangster Intl
Thu 4/30
2:10 pm-11:53 pm
1 stop11h 43m
$474
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-SJU
SEA-SDQ
SEA-STT
SEA-PUJ
SEA-NAS
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-SDQ
SEA-STT
SEA-PUJ
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 $472). 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 26, 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.
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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 26, 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 9 airlines flying from Seattle to Caribbean
Discover the top 9 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$206 | Average$702 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$341 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$268 | Average$601 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$529 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$363 | Average$696 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$368 | Average$762 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$454 | Average$828 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$474 | Average$709 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$521 | Average$719 | FlexibilityNo cancel fee | On-time63% |