$196+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Caribbean with Cheapflights
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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 May 6, 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 May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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 10/2411:50 pm
SEA
- STT
1 stop12h 28m
United Airlines
Fri 10/3012:02 pm
STT
- SEA
2 stops15h 12m
United Airlines
Deal found 5/4![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 5/4. 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 8/197:10 am
SEA
- SJU
2 stops11h 50m
Southwest
Wed 9/21:45 pm
SJU
- SEA
2 stops12h 20m
Southwest
Deal found 5/4![Southwest logo]()
$474
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/186:19 pm
SEA
- SJU
2 stops11h 54m
American Airlines
Fri 5/291:47 pm
SJU
- SEA
1 stop12h 11m
American Airlines
Deal found 5/4![American Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 5/6. 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 8/188:38 am
SEA
- SJU
1 stop10h 51m
Delta
Tue 8/256:48 am
SJU
- SEA
2 stops14h 56m
Delta
Deal found 5/6![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 5/5. 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 9/149:55 pm
SEA
- SJU
1 stop11h 18m
Delta
Mon 9/2112:58 pm
SJU
- SEA
1 stop10h 40m
Delta
Deal found 5/5![Delta logo]()
$495
This American Airlines deal was found by Cheapflights users on 5/3. 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 10/1811:53 pm
SEA
- SJU
1 stop11h 47m
American Airlines
Fri 10/232:00 pm
SJU
- SEA
1 stop12h 25m
American Airlines
Deal found 5/3![American Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 5/5. 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 12/210:58 pm
SEA
- SJU
1 stop12h 59m
American Airlines
Wed 12/93:47 pm
SJU
- SEA
1 stop11h 51m
American Airlines
Deal found 5/5![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 5/5. 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 10/155:31 pm
SEA
- SJU
1 stop18h 31m
American Airlines
Mon 10/192:25 pm
SJU
- SEA
1 stop13h 53m
American Airlines
Deal found 5/5![American Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:05 am
SEA
- SJU
1 stop10h 25m
Southwest
Mon 8/105:30 am
SJU
- SEA
1 stop12h 30m
Southwest
Deal found 5/2![Southwest logo]()
$510
This American Airlines deal was found by Cheapflights users on 5/4. 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 8/3111:59 pm
SEA
- SJU
1 stop20h 08m
American Airlines
Sun 9/612:59 am
SJU
- SEA
1 stop11h 18m
American Airlines
Deal found 5/4![American Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 11/125:07 am
SEA
- SJU
2 stops13h 15m
United Airlines
Mon 11/164:52 pm
SJU
- SEA
1 stop11h 22m
United Airlines
Deal found 5/2![United Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 5/5. 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 9/26:00 am
SEA
- SJU
1 stop14h 07m
American Airlines
Mon 9/76:51 am
SJU
- SEA
1 stop17h 06m
American Airlines
Deal found 5/5![American Airlines logo]()
$524
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 May 6, 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 May 6, 2026.
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:10 am
SEA
- SJU
2 stops11h 50m
Southwest
Wed 9/21:20 pm
SJU
- SEA
2 stops12h 45m
Southwest
Deal found 5/3![Southwest logo]()
$474
This United Airlines deal was found by Cheapflights users on 5/1. 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 10/225:00 am
SEA
- SJU
1 stop9h 38m
United Airlines
Tue 10/276:45 am
SJU
- SEA
2 stops14h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 10/199:55 pm
SEA
- SJU
1 stop11h 01m
Delta
Thu 10/2912:46 pm
SJU
- SEA
2 stops14h 25m
Delta
Deal found 5/1![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/308:53 pm
SEA
- NAS
1 stop12h 49m
American Airlines
Tue 6/22:18 pm
NAS
- SEA
1 stop11h 41m
American Airlines
Deal found 5/1![American Airlines logo]()
$574
This Copa Airlines deal was found by Cheapflights users on 5/2. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:06 pm
SEA
- NAS
2 stops15h 31m
Copa Airlines
Tue 6/212:41 pm
NAS
- SEA
2 stops33h 37m
Copa Airlines
Deal found 5/2![Copa Airlines logo]()
$674
This FlightHub deal was found by Cheapflights users on 5/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:00 am
SEA
- KIN
1 stop27h 55m
Air Canada
Tue 6/93:05 pm
KIN
- SEA
1 stop32h 03m
Air Canada
Deal found 5/2![Air Canada logo]()
$699
This FlightHub deal was found by Cheapflights users on 5/4. 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 5/2911:52 pm
SEA
- STX
2 stops35h 54m
JetBlue
Tue 6/93:45 pm
STX
- SEA
2 stops58h 04m
JetBlue
Deal found 5/4![JetBlue logo]()
$719
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Fri 8/217:35 pm
SEA
- GCM
2 stops15h 10m
Multiple Airlines
Wed 8/2611:30 am
GCM
- SEA
1 stop12h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 5/4. 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 6/16:00 am
SEA
- SJU
2 stops14h 35m
Delta
Thu 6/111:10 pm
SJU
- SEA
2 stops13h 49m
Delta
Deal found 5/4![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/811:49 pm
SEA
- MBJ
1 stop11h 41m
United Airlines
Fri 6/124:12 pm
MBJ
- SEA
2 stops17h 48m
United Airlines
Deal found 5/2![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 5/1. 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 10/217:20 am
SEA
- SJU
1 stop13h 36m
Delta
Tue 10/277:00 am
SJU
- SEA
2 stops18h 05m
Delta
Deal found 5/1![Delta logo]()
$545
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:45 pm
SEA
- PUJ
1 stop11h 00m
Southwest
Sat 7/1811:50 am
PUJ
- SEA
2 stops14h 40m
Southwest
Deal found 5/2![Southwest logo]()
$625
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 5/2810:40 pm
SEA
- NAS
2 stops11h 53m
United Airlines
Tue 6/22:53 pm
NAS
- SEA
2 stops13h 20m
United Airlines
Deal found 5/3![United Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 5/1. 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 8/268:35 pm
SEA
- AUA
1 stop16h 15m
American Airlines
Wed 9/22:32 pm
AUA
- SEA
1 stop12h 48m
American Airlines
Deal found 5/1![American Airlines logo]()
$674
This Southwest deal was found by Cheapflights users on 5/1. 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.
Tue 7/1410:45 pm
SEA
- PUJ
1 stop9h 50m
Southwest
Sat 7/1811:50 am
PUJ
- SEA
2 stops14h 40m
Southwest
Deal found 5/1![Southwest logo]()
$625
This Delta deal was found by Cheapflights users on 5/5. 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 6/210:35 pm
SEA
- NAS
1 stop10h 11m
Delta
Tue 6/91:05 pm
NAS
- SEA
1 stop13h 03m
Delta
Deal found 5/5![Delta logo]()
$574
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/1011:59 pm
SEA
- STT
1 stop12h 44m
United Airlines
Thu 5/142:10 pm
STT
- SEA
1 stop12h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$580
This Copa Airlines deal was found by Cheapflights users on 5/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:51 pm
SEA
- AUA
2 stops40h 52m
Copa Airlines
Thu 8/277:10 am
AUA
- SEA
2 stops17h 46m
Copa Airlines
Deal found 5/3![Copa Airlines logo]()
$733
This JetBlue deal was found by Cheapflights users on 5/4. 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 5/2611:52 pm
SEA
- KIN
1 stop16h 58m
JetBlue
Thu 6/119:05 am
KIN
- SEA
1 stop13h 35m
JetBlue
Deal found 5/4![JetBlue logo]()
$751
This Mytrip deal was found by Cheapflights users on 5/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 pm
SEA
- GCM
2 stops14h 10m
Multiple Airlines
Sun 10/186:25 pm
GCM
- SEA
2 stops52h 39m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$752
This American Airlines deal was found by Cheapflights users on 5/5. 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 5/305:10 am
SEA
- MBJ
1 stop9h 07m
American Airlines
Sat 6/65:17 pm
MBJ
- SEA
2 stops18h 10m
American Airlines
Deal found 5/5![American Airlines logo]()
$685
This Southwest deal was found by Cheapflights users on 5/5. 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 6/16:15 pm
SEA
- SJU
2 stops13h 20m
Southwest
Fri 6/125:30 am
SJU
- SEA
1 stop16h 00m
Southwest
Deal found 5/5![Southwest logo]()
$636
This Copa Airlines deal was found by Cheapflights users on 5/3. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:04 pm
SEA
- PUJ
2 stops21h 32m
Copa Airlines
Sun 6/75:37 am
PUJ
- SEA
2 stops22h 52m
Copa Airlines
Deal found 5/3![Copa Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/167:36 pm
SEA
- STT
2 stops13h 44m
United Airlines
Wed 5/201:22 pm
STT
- SEA
2 stops12h 37m
United Airlines
Deal found 5/1![United Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 5/2811:24 pm
SEA
- STX
2 stops18h 21m
American Airlines
Thu 6/43:49 pm
STX
- SEA
1 stop11h 19m
American Airlines
Deal found 5/2![American Airlines logo]()
$700
This Southwest deal was found by Cheapflights users on 5/1. 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 8/264:10 pm
SEA
- AUA
2 stops17h 35m
Southwest
Wed 9/21:40 pm
AUA
- SEA
2 stops12h 25m
Southwest
Deal found 5/1![Southwest logo]()
$638
This Delta deal was found by Cheapflights users on 5/6. 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 10/283:55 pm
SEA
- NAS
1 stop16h 56m
Delta
Tue 11/31:16 pm
NAS
- SEA
1 stop13h 53m
Delta
Deal found 5/6![Delta logo]()
$672
This JetBlue deal was found by Cheapflights users on 5/4. 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 5/2611:52 pm
SEA
- KIN
1 stop16h 58m
JetBlue
Sat 6/139:05 am
KIN
- SEA
1 stop13h 35m
JetBlue
Deal found 5/4![JetBlue logo]()
$821
This United Airlines deal was found by Cheapflights users on 5/1. 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 6/211:00 pm
SEA
- AUA
1 stop12h 00m
United Airlines
Tue 6/91:50 pm
AUA
- SEA
2 stops21h 06m
United Airlines
Deal found 5/1![United Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/2011:11 pm
SEA
- AUA
2 stops13h 39m
American Airlines
Thu 8/274:17 pm
AUA
- SEA
2 stops20h 00m
American Airlines
Deal found 5/5![American Airlines logo]()
$712
Last-minute flights from Seattle to CaribbeanDiscover last-minute flight deals from Seattle to Caribbean. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Caribbean. Data last updated May 6, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 5/5. 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.
Sat 5/98:00 am
SEA
- PUJ
1 stop28h 25m
Air Canada
Fri 5/154:25 pm
PUJ
- SEA
1 stop31h 43m
Air Canada
Deal found 5/5![Air Canada logo]()
$567
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/166:00 am
SEA
- SJU
1 stop11h 55m
American Airlines
Sun 5/241:47 pm
SJU
- SEA
1 stop12h 11m
American Airlines
Deal found 5/1![American Airlines logo]()
$543
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/186:19 pm
SEA
- SJU
2 stops11h 54m
American Airlines
Fri 5/291:47 pm
SJU
- SEA
1 stop12h 11m
American Airlines
Deal found 5/4![American Airlines logo]()
$475
This Priceline deal was found by Cheapflights users on 5/4. 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 5/2211:35 am
SEA
- SJU
1 stop31h 41m
JetBlue
Fri 5/299:52 am
SJU
- SEA
1 stop14h 04m
JetBlue
Deal found 5/4![JetBlue logo]()
$552
This Priceline deal was found by Cheapflights users on 5/5. 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.
Sun 5/2411:52 pm
SEA
- SJU
1 stop22h 46m
JetBlue
Fri 5/299:52 am
SJU
- SEA
1 stop14h 04m
JetBlue
Deal found 5/5![JetBlue logo]()
$549
This American Airlines deal was found by Cheapflights users on 5/6. 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 5/278:10 am
SEA
- SJU
1 stop11h 51m
American Airlines
Sat 6/67:00 am
SJU
- SEA
1 stop18h 59m
American Airlines
Deal found 5/6![American Airlines logo]()
$499
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:52 pm
SEA
- SJU
1 stop12h 38m
JetBlue
Sat 6/69:52 am
SJU
- SEA
1 stop14h 04m
JetBlue
Deal found 5/5![JetBlue logo]()
$534
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 5/288:45 pm
SEA
- STX
1 stop15h 13m
American Airlines
Thu 6/43:49 pm
STX
- SEA
1 stop11h 19m
American Airlines
Deal found 5/2![American Airlines logo]()
$536
This Delta deal was found by Cheapflights users on 5/4. 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 6/16:00 am
SEA
- SJU
2 stops14h 35m
Delta
Thu 6/111:10 pm
SJU
- SEA
2 stops13h 49m
Delta
Deal found 5/4![Delta logo]()
$494
This Expedia deal was found by Cheapflights users on 5/4. 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.
Mon 6/111:39 pm
SEA
- SJU
1 stop12h 51m
JetBlue
Fri 6/128:25 am
SJU
- SEA
1 stop17h 24m
JetBlue
Deal found 5/4![JetBlue logo]()
$540
This American Airlines deal was found by Cheapflights users on 5/4. 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 6/16:00 am
SEA
- SJU
1 stop14h 59m
American Airlines
Tue 6/210:29 am
SJU
- SEA
1 stop16h 39m
American Airlines
Deal found 5/4![American Airlines logo]()
$557
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:50 am
SEA
- SJU
1 stop12h 55m
Southwest
Fri 7/105:30 am
SJU
- SEA
1 stop16h 00m
Southwest
Deal found 5/2![Southwest logo]()
$530
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 May 6, 2026.
Search for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Tue 6/97:41 pm
SEA
- SJU
2 stops27h 28m
Frontier
Deal found 5/2![Frontier logo]()
$196
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 5/185:45 pm
SEA
- STT
2 stops15h 21m
Delta
Deal found 5/1![Delta logo]()
$218
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:52 pm
SEA
- SJU
1 stop12h 38m
JetBlue
Deal found 5/5![JetBlue logo]()
$223
This Southwest deal was found by Cheapflights users on 5/6. 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 8/106:15 pm
SEA
- SJU
2 stops13h 45m
Southwest
Deal found 5/6![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/166:00 am
SEA
- SJU
1 stop11h 55m
American Airlines
Deal found 5/1![American Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/113:34 pm
SEA
- SJU
2 stops30h 07m
Frontier
Deal found 5/5![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/307:41 pm
SEA
- NAS
3 stops46h 04m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 5/4. 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 6/155:15 pm
SEA
- NAS
1 stop18h 42m
United Airlines
Deal found 5/4![United Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/87:41 pm
SEA
- SJU
2 stops18h 55m
Frontier
Deal found 5/5![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/37:41 pm
SEA
- SJU
2 stops24h 48m
Frontier
Deal found 5/5![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/313:34 pm
SEA
- NAS
2 stops16h 26m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/187:50 pm
SEA
- SJU
2 stops42h 36m
Frontier
Deal found 5/5![Frontier logo]()
$242
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 May 6, 2026.
Round-trip from | $440 (United Airlines) |
|---|---|
One-way from | $196 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $526 |
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 May 6, 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
Wed 8/19
7:10 am-10:00 pm
2 stops11h 50m
San Juan Luis Munoz Marin Intl
Wed 9/2
1:20 pm-11:05 pm
2 stops12h 45m
$474
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Thu 10/22
5:00 am-5:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Tue 10/27
6:45 am-6:09 pm
2 stops14h 24m
$494
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 10/19
9:55 pm-11:56 am
1 stop11h 01m
San Juan Luis Munoz Marin Intl
Thu 10/29
12:46 pm-12:11 am
2 stops14h 25m
$494
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Mon 6/1
6:00 am-11:35 pm
2 stops14h 35m
San Juan Luis Munoz Marin Intl
Thu 6/11
1:10 pm-11:59 pm
2 stops13h 49m
$494
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Wed 10/21
7:20 am-11:56 pm
1 stop13h 36m
San Juan Luis Munoz Marin Intl
Tue 10/27
7:00 am-10:05 pm
2 stops18h 05m
$545
SeattleMontego Bay
SEA - MBJ
SEAMBJ
Seattle/Tacoma Intl
Mon 6/8
11:49 pm-1:30 pm
1 stop11h 41m
Montego Bay Sangster Intl
Fri 6/12
4:12 pm-8:00 am
2 stops17h 48m
$569
SeattleNassau
SEA - NAS
SEANAS
Seattle/Tacoma Intl
Sat 5/30
8:53 pm-12:42 pm
1 stop12h 49m
Nassau Intl
Tue 6/2
2:18 pm-10:59 pm
1 stop11h 41m
$574
Quickest round-trip
SeattleNassau
SEA - NAS
SEANAS
Seattle/Tacoma Intl
Tue 6/2
10:35 pm-11:46 am
1 stop10h 11m
Nassau Intl
Tue 6/9
1:05 pm-11:08 pm
1 stop13h 03m
$574
SeattleNassau
SEA - NAS
SEANAS
Seattle/Tacoma Intl
Thu 5/28
10:40 pm-1:33 pm
2 stops11h 53m
Nassau Intl
Tue 6/2
2:53 pm-1:13 am
2 stops13h 20m
$578
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sun 5/10
11:59 pm-3:43 pm
1 stop12h 44m
Saint Thomas Island Cyril E King
Thu 5/14
2:10 pm-11:59 pm
1 stop12h 49m
$580
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-STT
SEA-SJU
SEA-NAS
SEA-STX
SEA-PUJ
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-STT
SEA-SJU
SEA-NAS
SEA-STX
How far ahead should I book a flight from Seattle to Caribbean?
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Caribbean. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to Caribbean?
Currently, May is the cheapest month in which you can book a flight from Seattle to Caribbean (average of $167). Flying from Seattle to Caribbean in April is currently the most expensive (average of $1,190). 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 May 6, 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.
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
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.
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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 May 6, 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$651 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$602 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$282 | Average$494 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$349 | Average$762 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$364 | Average$700 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$454 | Average$828 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$494 | Average$673 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$587 | Average$727 | FlexibilityNo cancel fee | On-time75% |