$113+ Cheap flights from St. Louis (STL) to Caribbean
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Caribbean
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Cheapest flights from St. Louis to CaribbeanExplore the most affordable flight options available from St. Louis to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from St. Louis to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 12/212:05 pm -
2 stops11h 13m
Wed 12/95:01 am -
1 stop8h 16m
Deal found 10/25![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:02 pm -
2 stops35h 17m
Wed 12/95:01 am -
1 stop8h 16m
Deal found 10/26![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:05 pm -
2 stops11h 13m
Fri 12/115:01 am -
1 stop8h 16m
Deal found 10/26![Frontier logo]()
$248
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:13 pm -
1 stop5h 58m
Fri 12/115:01 am -
1 stop8h 16m
Deal found 10/22![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/236:35 pm -
2 stops29h 36m
Fri 12/45:01 am -
1 stop8h 16m
Deal found 10/25![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/226:05 pm -
1 stop13h 54m
Fri 12/45:01 am -
1 stop8h 16m
Deal found 10/25![Frontier logo]()
$264
This Justfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:13 pm -
1 stop5h 58m
Wed 12/95:01 am -
1 stop8h 16m
Deal found 10/26![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/166:34 pm -
2 stops19h 43m
Fri 11/2010:21 pm -
1 stop27h 38m
Deal found 10/22![Frontier logo]()
$282
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 12/55:15 am -
2 stops10h 04m
Tue 12/81:25 pm -
1 stop9h 50m
Deal found 10/22![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sun 12/66:30 am -
1 stop6h 18m
Sat 12/125:21 pm -
2 stops18h 09m
Deal found 10/23![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 12/58:30 am -
1 stop6h 49m
Sat 12/123:45 pm -
1 stop7h 45m
Deal found 10/22![United Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:02 am -
1 stop6h 38m
Thu 12/1712:32 pm -
1 stop8h 20m
Deal found 10/24![American Airlines logo]()
$398
Best flights from St. Louis to CaribbeanDiscover carefully curated flight deals from St. Louis to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from St. Louis to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Delta deal was found by Cheapflights users on 10/25. 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 1/316:59 pm -
1 stop15h 15m
Sat 2/63:35 pm -
2 stops19h 37m
Deal found 10/25![Delta logo]()
$383
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 1/178:30 am -
1 stop6h 58m
Sat 1/2312:56 pm -
2 stops12h 24m
Deal found 10/22![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:55 am -
2 stops10h 30m
Sun 12/139:40 pm -
1 stop13h 40m
Deal found 10/24![Southwest logo]()
$458
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/55:02 am -
2 stops9h 20m
Sat 12/1212:09 pm -
2 stops8h 48m
Deal found 10/21![American Airlines logo]()
$463
This Justfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/134:05 pm -
1 stop19h 05m
Mon 1/181:05 pm -
1 stop27h 21m
Deal found 10/26![Air Canada logo]()
$601
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop8h 33m
Fri 12/111:18 pm -
1 stop9h 20m
Deal found 10/25![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/145:40 pm -
2 stops17h 09m
Sun 12/202:40 pm -
1 stop8h 50m
Deal found 10/22![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop4h 53m
Wed 12/93:15 pm -
1 stop7h 23m
Deal found 10/25![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/16:15 pm -
1 stop16h 02m
Tue 12/82:02 pm -
1 stop10h 08m
Deal found 10/26![American Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 1/1810:45 am -
1 stop8h 15m
Sat 1/232:05 am -
2 stops12h 08m
Deal found 10/21![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:00 am -
1 stop6h 55m
Sun 1/103:45 pm -
2 stops18h 00m
Deal found 10/25![Southwest logo]()
$498
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 2/56:18 am -
1 stop7h 07m
Fri 2/123:35 pm -
1 stop9h 11m
Deal found 10/25![American Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 10/25. 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 11/177:18 pm -
1 stop15h 35m
Mon 12/145:01 pm -
1 stop5h 37m
Deal found 10/25![Delta logo]()
$448
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:55 am -
1 stop6h 55m
Fri 12/43:35 pm -
1 stop8h 40m
Deal found 10/24![Southwest logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/56:55 pm -
2 stops17h 38m
Sat 12/125:20 pm -
1 stop17h 29m
Deal found 10/21![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 10/25. 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 11/177:18 pm -
1 stop15h 35m
Mon 12/73:15 pm -
1 stop9h 50m
Deal found 10/25![Delta logo]()
$448
This Southwest deal was found by Cheapflights users on 10/21. 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.
Wed 11/187:05 am -
1 stop6h 40m
Wed 11/251:50 pm -
1 stop8h 05m
Deal found 10/21![Southwest logo]()
$531
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/95:02 am -
1 stop7h 21m
Thu 11/122:18 pm -
1 stop7h 12m
Deal found 10/22![American Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 am -
1 stop6h 28m
Mon 12/285:29 pm -
1 stop5h 35m
Deal found 10/21![Delta logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/22. 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 1/265:00 am -
1 stop7h 48m
Fri 1/291:25 pm -
1 stop9h 24m
Deal found 10/22![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 1/149:05 am -
2 stops13h 31m
Fri 1/222:05 am -
2 stops14h 23m
Deal found 10/22![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/162:21 pm -
2 stops20h 24m
Mon 12/71:18 pm -
1 stop9h 20m
Deal found 10/25![Delta logo]()
$453
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/126:15 pm -
1 stop20h 16m
Wed 12/163:39 pm -
1 stop8h 11m
Deal found 10/21![American Airlines logo]()
$563
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/711:30 am -
2 stops10h 00m
Mon 1/115:35 am -
2 stops10h 15m
Deal found 10/24![Southwest logo]()
$588
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 1/235:02 am -
1 stop8h 08m
Sat 1/305:50 pm -
1 stop18h 18m
Deal found 10/22![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 10/23. 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 11/162:21 pm -
2 stops20h 24m
Fri 12/111:22 pm -
2 stops20h 57m
Deal found 10/23![Delta logo]()
$463
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 4/176:54 pm -
1 stop16h 38m
Sat 5/14:00 pm -
1 stop16h 28m
Deal found 10/22![American Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/175:00 am -
1 stop7h 48m
Sat 11/213:45 pm -
2 stops21h 25m
Deal found 10/22![United Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 10/25. 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 11/177:13 am -
1 stop8h 44m
Sat 11/214:02 pm -
1 stop8h 20m
Deal found 10/25![Delta logo]()
$474
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 1/165:00 pm -
2 stops17h 24m
Sat 1/231:14 pm -
2 stops12h 43m
Deal found 10/25![American Airlines logo]()
$581
Last-minute flights from St. Louis to CaribbeanDiscover last-minute flight deals from St. Louis to Caribbean. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Caribbean. Data last updated October 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Sun 11/84:26 pm -
1 stop8h 20m
Thu 11/123:55 pm -
1 stop27h 47m
Deal found 10/23![Frontier logo]()
$308
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:34 pm -
2 stops18h 45m
Fri 11/133:55 pm -
2 stops29h 19m
Deal found 10/21![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/116:34 pm -
2 stops18h 50m
Sat 11/147:23 am -
1 stop17h 53m
Deal found 10/22![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/116:34 pm -
2 stops18h 50m
Sat 11/143:55 am -
1 stop21h 21m
Deal found 10/22![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/126:15 pm -
1 stop17h 31m
Tue 11/173:56 pm -
1 stop10h 03m
Deal found 10/21![American Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/166:34 pm -
2 stops19h 43m
Fri 11/2010:21 pm -
1 stop27h 38m
Deal found 10/22![Frontier logo]()
$282
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/167:13 am -
1 stop5h 37m
Thu 12/103:15 pm -
1 stop9h 50m
Deal found 10/25![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/165:30 pm -
2 stops17h 15m
Fri 12/113:08 pm -
1 stop7h 30m
Deal found 10/25![Delta logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/226:05 pm -
1 stop13h 54m
Fri 12/45:01 am -
1 stop8h 16m
Deal found 10/25![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/236:35 pm -
2 stops29h 36m
Fri 12/45:01 am -
1 stop8h 16m
Deal found 10/25![Frontier logo]()
$257
This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:05 pm -
1 stop22h 20m
Wed 12/25:25 pm -
1 stop24h 01m
Deal found 10/21![Air Canada logo]()
$445
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/306:00 am -
1 stop6h 48m
Sun 12/63:45 pm -
1 stop7h 45m
Deal found 10/23![United Airlines logo]()
$448
One-way flights from St. Louis to CaribbeanSearch for one-way flight options from St. Louis to Caribbean. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from St. Louis to Caribbean. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:02 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 1/46:21 pm -
2 stops30h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$123
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:34 pm -
2 stops27h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 pm -
1 stop17h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$163
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 1/75:49 pm -
2 stops20h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$165
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/145:05 pm -
1 stop17h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Wed 11/116:34 pm -
2 stops36h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 10/22. 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.
Mon 1/116:00 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$173
This Delta deal was found by Cheapflights users on 10/22. 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.
Sun 11/156:00 am -
1 stop4h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Fri 1/16:21 pm -
2 stops40h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$176
This Delta deal was found by Cheapflights users on 10/22. 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 12/307:15 pm -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$181
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 12/314:49 pm -
2 stops20h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$185
Find flight deals from St. Louis to Caribbean
Keep the following information in mind while searching for St. Louis to Caribbean flight deals. Data was last updated October 26, 2026.
Round-trip from | $192 (Kiwi.com) |
|---|---|
One-way from | $113 (Cheapflightsfares) |
Popular in | December |
Cheapest in | April |
Average price | $396 |
Good round-trip deal | $695 or less |
Good one-way deal | $274 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 October 26, 2026.
Use the filters below to find and compare flights from St. Louis to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Mon 1/4
6:21 pm-2:54 am
2 stops30h 33m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$123
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Wed 11/11
6:34 pm-11:38 pm
2 stops27h 04m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$125
St. LouisOranjestad
STL Lambert-St Louis - AUA Oranjestad Reina Beatrix
STLAUA
Lambert-St Louis
Thu 1/7
5:49 pm-4:13 pm
2 stops20h 24m
Oranjestad Reina Beatrix
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$165
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Mon 12/14
5:40 pm-11:49 am
2 stops17h 09m
Nassau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Wed 12/30
7:15 pm-2:00 pm
2 stops17h 45m
Nassau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
St. LouisSaint Thomas Island
STL Lambert-St Louis - STT Saint Thomas Island Cyril E King
STLSTT
Lambert-St Louis
Mon 1/11
6:00 am-2:55 pm
1 stop6h 55m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$173
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Fri 12/25
6:00 am-1:28 pm
1 stop6h 28m
Nassau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Fri 11/13
6:50 pm-11:49 am
2 stops15h 59m
Nassau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Thu 12/31
9:00 am-4:04 pm
1 stop6h 04m
Nassau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Wed 11/11
1:00 pm-10:22 pm
1 stop7h 22m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$198
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from St. Louis with our price prediction graph.
STL-SJU
STL-AUA
STL-NAS
STL-STT
STL-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 St. Louis to Caribbean
STL-0CB
STL-SJU
STL-AUA
STL-NAS
STL-STT
What is the cheapest month to book a flight from St. Louis to Caribbean?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Caribbean (average of $556). Flying from St. Louis to Caribbean in December is currently the most expensive (average of $682). 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 often are flights from St. Louis to Caribbean delayed?
About 30% of weekly flights between St. Louis and Caribbean have experienced delays in the past year, with the average delay time being 94 minutes.
What is the most punctual flight time for St. Louis to Caribbean flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on St. Louis to Caribbean flights?
Over the last year, Southwest have had the lowest number of delays on this route, with just 30% of flights being delayed.
How far ahead should I book a flight from St. Louis to Caribbean?
To ensure you get the cheapest price possible for a flight from St. Louis to Caribbean, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 October 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Caribbean to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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 St. Louis to Caribbean
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Complete your trip
Complete your trip to Caribbean by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Caribbean by cabin class
Find flights from St. Louis to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Caribbean flights
Browse other St. Louis and Caribbean flight options. Last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Caribbean countries
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Top 6 airlines flying from St. Louis to Caribbean
Discover the top 6 airlines that operate flights from St. Louis 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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$614 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$647 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$336 | Average$725 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$458 | Average$618 | FlexibilityNo cancel fee | On-time62% |