$160+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Sep 21 — Sep 281
Round-trip
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
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
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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 August 22, 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 August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/256:20 pm -
2 stops12h 26m
Wed 11/46:28 am -
2 stops13h 16m
Deal found 8/19![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/95:02 pm -
2 stops13h 22m
Fri 9/182:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/128:50 pm -
1 stop9h 34m
Sat 9/193:41 pm -
2 stops21h 28m
Deal found 8/19![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/78:39 pm -
1 stop11h 52m
Sun 10/187:30 am -
1 stop18h 29m
Deal found 8/19![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2810:45 pm -
1 stop11h 47m
Wed 9/302:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2310:45 pm -
1 stop11h 47m
Sat 10/33:35 pm -
1 stop20h 48m
Deal found 8/19![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/253:42 pm -
1 stop20h 03m
Tue 9/292:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/1811:59 pm -
2 stops13h 50m
Fri 9/257:00 am -
2 stops18h 10m
Deal found 8/20![Delta logo]()
$426
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:57 am -
2 stops27h 46m
Tue 9/222:45 pm -
2 stops21h 57m
Deal found 8/18![Frontier logo]()
$443
This United Airlines deal was found by Cheapflights users on 8/22. 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 12/17:00 am -
1 stop10h 00m
Sun 12/68:25 am -
1 stop11h 53m
Deal found 8/22![United Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 12/511:34 pm -
2 stops12h 18m
Sat 12/128:30 am -
1 stop17h 29m
Deal found 8/19![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/99:42 pm -
1 stop14h 08m
Wed 9/162:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$463
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 August 22, 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 August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/67:55 pm -
2 stops12h 45m
Tue 11/244:20 pm -
2 stops12h 45m
Deal found 8/17![Southwest logo]()
$505
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1811:59 pm -
2 stops13h 50m
Sat 10/32:30 pm -
1 stop10h 35m
Deal found 8/17![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2211:00 pm -
1 stop12h 44m
Mon 9/282:55 pm -
1 stop11h 05m
Deal found 8/19![United Airlines logo]()
$514
This JetBlue deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/2010:15 pm -
1 stop12h 34m
Thu 10/221:00 pm -
1 stop11h 15m
Deal found 8/20![JetBlue logo]()
$520
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Sat 10/317:45 am -
1 stop25h 25m
Fri 11/67:45 pm -
2 stops22h 52m
Deal found 8/17![Air Canada logo]()
$523
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/315:00 am -
1 stop9h 12m
Thu 11/51:22 pm -
1 stop13h 20m
Deal found 8/19![American Airlines logo]()
$592
This Copa Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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.
Wed 10/2812:20 pm -
2 stops20h 12m
Tue 11/311:32 am -
2 stops34h 37m
Deal found 8/20![Copa Airlines logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/304:27 pm -
2 stops40h 43m
Sun 10/117:10 pm -
1 stop18h 25m
Deal found 8/21![Multiple Airlines logo]()
$759
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/105:15 am -
2 stops12h 35m
Sat 11/148:05 pm -
2 stops19h 55m
Deal found 8/17![Southwest logo]()
$510
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/1811:15 pm -
1 stop10h 45m
Wed 12/23:10 pm -
2 stops12h 49m
Deal found 8/18![Delta logo]()
$514
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Tue 11/33:15 pm -
2 stops23h 30m
Tue 11/1012:35 pm -
2 stops24h 52m
Deal found 8/18![Air Canada logo]()
$561
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2311:59 pm -
1 stop13h 50m
Sat 9/262:50 pm -
1 stop9h 59m
Deal found 8/19![Delta logo]()
$514
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/187:25 pm -
2 stops12h 25m
Fri 9/255:00 am -
2 stops13h 00m
Deal found 8/20![Southwest logo]()
$514
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/277:00 am -
1 stop10h 38m
Thu 9/101:25 pm -
1 stop13h 11m
Deal found 8/18![United Airlines logo]()
$588
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/257:55 pm -
2 stops13h 10m
Sat 11/78:15 am -
2 stops14h 47m
Deal found 8/18![Delta logo]()
$514
This JetBlue deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Mon 10/59:40 pm -
1 stop13h 45m
Sat 10/249:00 am -
1 stop15h 15m
Deal found 8/19![JetBlue logo]()
$626
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/1811:15 pm -
1 stop11h 59m
Sat 11/213:45 pm -
1 stop10h 06m
Deal found 8/21![United Airlines logo]()
$592
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/129:45 pm -
1 stop13h 29m
Thu 11/193:14 pm -
1 stop11h 53m
Deal found 8/21![American Airlines logo]()
$659
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 am -
2 stops24h 05m
Sun 11/299:25 pm -
1 stop26h 34m
Deal found 8/17![Air Canada logo]()
$602
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 1/61:40 pm -
2 stops20h 20m
Tue 1/121:55 pm -
2 stops12h 00m
Deal found 8/18![Southwest logo]()
$563
This Copa Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Mon 10/128:29 pm -
2 stops15h 36m
Sun 10/255:35 am -
2 stops22h 24m
Deal found 8/19![Copa Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/1610:48 pm -
1 stop10h 55m
Tue 10/272:01 pm -
2 stops23h 13m
Deal found 8/21![United Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 11/49:14 pm -
1 stop10h 02m
Wed 11/111:01 pm -
1 stop13h 58m
Deal found 8/19![American Airlines logo]()
$664
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/511:59 pm -
1 stop10h 38m
Tue 10/202:47 pm -
1 stop10h 16m
Deal found 8/19![Delta logo]()
$563
This Southwest deal was found by Cheapflights users on 8/22. 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.
Wed 2/1012:40 pm -
2 stops21h 20m
Thu 2/181:55 pm -
2 stops12h 05m
Deal found 8/22![Southwest logo]()
$580
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2511:57 pm -
2 stops11h 20m
Mon 9/281:07 pm -
1 stop13h 45m
Deal found 8/19![American Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 1/67:32 pm -
2 stops16h 50m
Tue 1/123:35 pm -
1 stop9h 54m
Deal found 8/18![United Airlines logo]()
$610
This Copa Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/195:10 pm -
2 stops14h 54m
Sun 9/275:41 am -
2 stops22h 34m
Deal found 8/18![Copa Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/511:59 pm -
1 stop10h 38m
Thu 10/222:47 pm -
1 stop10h 16m
Deal found 8/19![Delta logo]()
$563
This Air Canada deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Mon 10/267:45 am -
1 stop25h 40m
Fri 10/302:15 pm -
2 stops34h 42m
Deal found 8/19![Air Canada logo]()
$730
Last-minute flights from Seattle to CaribbeanDiscover last-minute flight deals from Seattle to Caribbean. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Caribbean. Data last updated August 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/95:02 pm -
2 stops13h 22m
Fri 9/182:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/97:10 am -
2 stops24h 50m
Sat 9/193:41 pm -
2 stops21h 28m
Deal found 8/19![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/99:42 pm -
1 stop14h 08m
Wed 9/162:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/1011:57 pm -
2 stops12h 43m
Thu 9/172:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/128:50 pm -
1 stop9h 34m
Sat 9/193:41 pm -
2 stops21h 28m
Deal found 8/19![American Airlines logo]()
$412
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:57 am -
2 stops27h 46m
Tue 9/222:45 pm -
2 stops21h 57m
Deal found 8/18![Frontier logo]()
$443
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Tue 9/1510:57 am -
2 stops25h 22m
Wed 9/236:30 am -
2 stops30h 12m
Deal found 8/19![Frontier logo]()
$469
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/1811:59 pm -
2 stops13h 50m
Fri 9/257:00 am -
2 stops18h 10m
Deal found 8/20![Delta logo]()
$426
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2310:45 pm -
1 stop11h 47m
Sat 10/33:35 pm -
1 stop20h 48m
Deal found 8/19![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/255:34 pm -
1 stop18h 11m
Wed 9/302:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/253:42 pm -
1 stop20h 03m
Tue 9/292:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2810:45 pm -
1 stop11h 47m
Wed 9/302:22 pm -
1 stop11h 35m
Deal found 8/19![American Airlines logo]()
$418
One-way flights from Seattle to CaribbeanSearch for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Seattle to Caribbean. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/183:42 pm -
1 stop20h 03m
Deal found 8/21![American Airlines logo]()
$160
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/193:42 pm -
1 stop20h 47m
Deal found 8/19![American Airlines logo]()
$163
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/166:15 pm -
2 stops12h 09m
Deal found 8/19![American Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/18:15 pm -
2 stops34h 20m
Deal found 8/18![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/198:15 pm -
2 stops34h 20m
Deal found 8/21![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/188:15 pm -
2 stops40h 51m
Deal found 8/19![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/298:15 pm -
2 stops40h 51m
Deal found 8/19![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/268:15 pm -
2 stops34h 20m
Deal found 8/19![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/288:15 pm -
2 stops34h 20m
Deal found 8/19![Frontier logo]()
$193
This Travelocity deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 am -
1 stop30h 30m
Deal found 8/19![Air Canada logo]()
$211
This Air Canada deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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.
Sat 10/173:00 pm -
2 stops23h 30m
Deal found 8/19![Air Canada logo]()
$216
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/56:50 pm -
2 stops15h 25m
Deal found 8/21![Southwest logo]()
$219
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 August 22, 2026.
Round-trip from | $320 (American Airlines) |
|---|---|
One-way from | $160 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $562 |
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 7,457,451 searches. Data last updated August 22, 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 Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Fri 11/6
7:55 pm-12:40 pm
2 stops12h 45m
San Juan Luis Munoz Marin Intl
Tue 11/24
4:20 pm-1:05 am
2 stops12h 45m
$505
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Tue 11/10
5:15 am-9:50 pm
2 stops12h 35m
San Juan Luis Munoz Marin Intl
Sat 11/14
8:05 pm-12:00 pm
2 stops19h 55m
$510
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Fri 9/18
11:59 pm-4:49 pm
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Sat 10/3
2:30 pm-10:05 pm
1 stop10h 35m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Tue 9/22
11:00 pm-2:44 pm
1 stop12h 44m
San Juan Luis Munoz Marin Intl
Mon 9/28
2:55 pm-11:00 pm
1 stop11h 05m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Wed 11/18
11:15 pm-2:00 pm
1 stop10h 45m
San Juan Luis Munoz Marin Intl
Wed 12/2
3:10 pm-11:59 pm
2 stops12h 49m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Wed 9/23
11:59 pm-4:49 pm
1 stop13h 50m
San Juan Luis Munoz Marin Intl
Sat 9/26
2:50 pm-9:49 pm
1 stop9h 59m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Fri 9/18
7:25 pm-10:50 am
2 stops12h 25m
San Juan Luis Munoz Marin Intl
Fri 9/25
5:00 am-3:00 pm
2 stops13h 00m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Sun 10/25
7:55 pm-12:05 pm
2 stops13h 10m
San Juan Luis Munoz Marin Intl
Sat 11/7
8:15 am-7:02 pm
2 stops14h 47m
$514
SeattleSan Juan
SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl
SEASJU
Seattle/Tacoma Intl
Tue 10/20
10:15 pm-1:49 pm
1 stop12h 34m
San Juan Luis Munoz Marin Intl
Thu 10/22
1:00 pm-9:15 pm
1 stop11h 15m
$520
SeattlePunta Cana
SEA Seattle/Tacoma Intl - PUJ Punta Cana
SEAPUJ
Seattle/Tacoma Intl
Sat 10/31
7:45 am-12:10 pm
1 stop25h 25m
Punta Cana
Fri 11/6
7:45 pm-2:37 pm
2 stops22h 52m
$523
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-NAS
SEA-PUJ
SEA-MBJ
SEA-SDQ
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-NAS
SEA-PUJ
SEA-MBJ
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 $568). Flying from Seattle to Caribbean in December is currently the most expensive (average of $790). 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.
How far ahead should I book a flight from Seattle to Caribbean?
Booking 61 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.
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 August 22, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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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 August 22, 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 7,457,451 searches. Data last updated August 22, 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$605 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$327 | Average$539 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$349 | Average$681 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$373 | Average$747 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$454 | Average$828 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$454 | Average$659 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$587 | Average$626 | FlexibilityNo cancel fee | On-time75% |