$106+ Cheap flights from St. Louis (STL) 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Oct 2 — Oct 91
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 September 2, 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 September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/286:44 pm -
1 stop29h 15m
Tue 11/311:20 am -
2 stops32h 20m
Deal found 8/30![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop20h 31m
Tue 10/2012:59 am -
2 stops17h 41m
Deal found 8/28![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/46:44 pm -
1 stop28h 15m
Thu 11/123:59 pm -
1 stop27h 41m
Deal found 8/29![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/22:29 pm -
2 stops42h 44m
Wed 10/76:30 am -
1 stop7h 40m
Deal found 8/31![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/306:44 pm -
2 stops20h 32m
Tue 11/33:59 pm -
1 stop27h 41m
Deal found 8/30![Frontier logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:13 pm -
2 stops15h 11m
Tue 9/226:00 am -
2 stops11h 27m
Deal found 8/28![American Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/294:26 pm -
1 stop8h 24m
Tue 11/37:26 pm -
2 stops24h 14m
Deal found 8/30![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/16:39 pm -
1 stop18h 39m
Tue 10/66:05 pm -
2 stops20h 05m
Deal found 8/31![Frontier logo]()
$262
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Sun 11/18:15 pm -
2 stops17h 23m
Thu 11/52:18 pm -
1 stop11h 40m
Deal found 9/1![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/16:15 pm -
1 stop14h 15m
Fri 11/610:20 am -
1 stop8h 05m
Deal found 8/31![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Mon 11/96:00 am -
2 stops10h 51m
Fri 11/1310:20 am -
1 stop8h 05m
Deal found 9/1![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/298:43 am -
2 stops8h 12m
Tue 10/62:08 pm -
2 stops8h 51m
Deal found 9/1![American Airlines logo]()
$390
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 September 2, 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 am -
1 stop8h 27m
Fri 10/301:05 am -
2 stops15h 38m
Deal found 8/27![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/2812:15 pm -
2 stops9h 55m
Tue 11/36:40 am -
2 stops14h 45m
Deal found 8/31![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 1/286:30 am -
1 stop7h 40m
Mon 2/16:30 pm -
1 stop7h 09m
Deal found 8/29![Delta logo]()
$376
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 1/38:22 pm -
1 stop15h 15m
Sat 1/91:12 pm -
2 stops8h 56m
Deal found 8/29![American Airlines logo]()
$412
This Orbitz deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:05 pm -
1 stop20h 20m
Thu 11/54:00 pm -
1 stop25h 26m
Deal found 8/28![Air Canada logo]()
$474
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:30 am -
2 stops12h 52m
Sat 11/77:40 am -
2 stops15h 55m
Deal found 8/27![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:00 am -
1 stop10h 13m
Mon 12/146:59 pm -
1 stop7h 06m
Deal found 8/31![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am -
1 stop9h 10m
Tue 10/2710:00 am -
2 stops10h 00m
Deal found 8/31![Southwest logo]()
$376
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/56:15 pm -
1 stop14h 15m
Tue 11/1010:20 am -
2 stops10h 02m
Deal found 8/31![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 1/67:00 am -
1 stop7h 15m
Wed 1/132:55 pm -
1 stop9h 44m
Deal found 8/31![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/16:15 am -
1 stop6h 18m
Fri 11/62:40 pm -
2 stops19h 15m
Deal found 8/31![United Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/217:16 am -
1 stop5h 07m
Sat 10/2410:27 am -
1 stop12h 32m
Deal found 8/29![American Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 9/1. 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 2/177:00 am -
1 stop6h 50m
Wed 2/245:45 am -
2 stops10h 05m
Deal found 9/1![Southwest logo]()
$416
This Orbitz deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 pm -
2 stops26h 15m
Tue 10/64:20 pm -
1 stop22h 40m
Deal found 8/31![Air Canada logo]()
$479
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop7h 28m
Fri 10/231:06 pm -
2 stops21h 36m
Deal found 8/28![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 1/196:30 am -
1 stop6h 57m
Sat 1/232:40 pm -
1 stop8h 33m
Deal found 8/31![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 12/710:55 am -
2 stops10h 25m
Mon 12/146:40 am -
2 stops14h 45m
Deal found 8/30![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/285:59 pm -
1 stop16h 25m
Mon 2/112:14 pm -
1 stop11h 30m
Deal found 8/28![American Airlines logo]()
$418
This Air Canada deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:10 pm -
2 stops48h 15m
Wed 10/283:00 pm -
1 stop25h 26m
Deal found 8/27![Air Canada logo]()
$488
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 2/56:50 pm -
1 stop13h 00m
Mon 2/86:10 am -
1 stop10h 45m
Deal found 8/29![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/165:55 pm -
1 stop10h 20m
Sat 1/232:05 am -
1 stop9h 46m
Deal found 8/28![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 1/146:30 am -
1 stop7h 40m
Sun 1/246:15 am -
1 stop10h 28m
Deal found 8/29![Delta logo]()
$456
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Thu 10/294:05 pm -
2 stops24h 40m
Tue 11/33:15 pm -
2 stops26h 11m
Deal found 8/30![Air Canada logo]()
$502
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/215:00 am -
2 stops10h 30m
Fri 2/266:36 pm -
2 stops15h 52m
Deal found 8/31![American Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/156:15 am -
1 stop6h 32m
Thu 10/222:35 pm -
1 stop7h 34m
Deal found 8/31![United Airlines logo]()
$452
This Flightnetwork deal was found by Cheapflights users on 9/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:05 pm -
1 stop20h 20m
Fri 10/303:00 pm -
1 stop25h 23m
Deal found 9/1![Air Canada logo]()
$533
This Delta deal was found by Cheapflights users on 9/1. 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 1/276:00 am -
1 stop6h 35m
Wed 2/33:35 pm -
1 stop10h 04m
Deal found 9/1![Delta logo]()
$486
This American Airlines deal was found by Cheapflights users on 9/2. 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 1/289:00 am -
2 stops11h 39m
Thu 2/47:00 am -
1 stop12h 22m
Deal found 9/2![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/56:00 am -
1 stop7h 44m
Mon 10/51:00 am -
1 stop8h 48m
Deal found 8/29![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 9/1. 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 11/46:35 am -
1 stop6h 50m
Tue 11/101:50 pm -
1 stop9h 35m
Deal found 9/1![Southwest logo]()
$520
Last-minute flights from St. Louis to CaribbeanDiscover last-minute flight deals from St. Louis to Caribbean. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Caribbean. Data last updated September 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:13 pm -
2 stops15h 11m
Tue 9/226:00 am -
1 stop16h 49m
Deal found 8/28![American Airlines logo]()
$244
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/298:43 am -
2 stops8h 12m
Tue 10/62:08 pm -
2 stops8h 51m
Deal found 9/1![American Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/16:39 pm -
1 stop18h 39m
Tue 10/66:05 pm -
2 stops20h 05m
Deal found 8/31![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/22:29 pm -
2 stops42h 44m
Wed 10/76:30 am -
1 stop7h 40m
Deal found 8/31![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
2 stops10h 44m
Sun 10/116:42 pm -
1 stop29h 31m
Deal found 8/28![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:35 pm -
1 stop20h 31m
Tue 10/2012:59 am -
2 stops17h 41m
Deal found 8/28![Frontier logo]()
$211
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop7h 28m
Fri 10/231:06 pm -
2 stops21h 36m
Deal found 8/28![Delta logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/286:44 pm -
1 stop29h 15m
Tue 11/311:20 am -
2 stops32h 20m
Deal found 8/30![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/294:26 pm -
1 stop8h 24m
Tue 11/37:26 pm -
2 stops24h 14m
Deal found 8/30![Frontier logo]()
$260
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/296:50 pm -
2 stops15h 59m
Tue 11/32:40 pm -
1 stop8h 46m
Deal found 8/31![United Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/306:44 pm -
2 stops20h 32m
Tue 11/33:59 pm -
1 stop27h 41m
Deal found 8/30![Frontier logo]()
$242
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/316:07 pm -
1 stop15h 23m
Wed 11/411:45 am -
1 stop6h 44m
Deal found 8/29![American Airlines logo]()
$368
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 September 2, 2026.
Search for one-way flight options from St. Louis to Caribbean. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/286:44 pm -
1 stop29h 15m
Deal found 8/30![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/302:29 pm -
2 stops22h 05m
Deal found 9/1![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:29 pm -
2 stops34h 23m
Deal found 8/27![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop28h 00m
Deal found 8/28![Frontier logo]()
$121
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:30 pm -
1 stop6h 49m
Deal found 8/28![Delta logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/22:29 pm -
2 stops42h 44m
Deal found 8/31![Frontier logo]()
$123
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/75:25 am -
1 stop8h 53m
Deal found 8/27![United Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:29 pm -
2 stops45h 19m
Deal found 8/28![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/286:44 pm -
2 stops20h 47m
Deal found 8/29![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/306:44 pm -
2 stops41h 27m
Deal found 8/30![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop21h 33m
Deal found 8/28![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
1 stop19h 45m
Deal found 8/28![Frontier logo]()
$200
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 September 2, 2026.
Round-trip from | $178 (Kiwi.com) |
|---|---|
One-way from | $106 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $336 |
Good round-trip deal | $546 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 September 2, 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
Fri 10/23
6:15 am-3:42 pm
1 stop8h 27m
San Juan Luis Munoz Marin Intl
Fri 10/30
1:05 am-3:43 pm
2 stops15h 38m
$334
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Fri 10/30
7:30 am-9:22 pm
2 stops12h 52m
San Juan Luis Munoz Marin Intl
Sat 11/7
7:40 am-9:35 pm
2 stops15h 55m
$374
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Wed 10/28
12:15 pm-11:10 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Tue 11/3
6:40 am-7:25 pm
2 stops14h 45m
$376
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Thu 1/28
6:30 am-4:10 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Mon 2/1
6:30 pm-11:39 pm
1 stop7h 09m
$376
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Sat 12/5
11:00 am-11:13 pm
1 stop10h 13m
San Juan Luis Munoz Marin Intl
Mon 12/14
6:59 pm-12:05 am
1 stop7h 06m
$376
St. LouisSan Juan
STL Lambert-St Louis - SJU San Juan Luis Munoz Marin Intl
STLSJU
Lambert-St Louis
Tue 10/20
10:25 am-8:35 pm
1 stop9h 10m
San Juan Luis Munoz Marin Intl
Tue 10/27
10:00 am-7:00 pm
2 stops10h 00m
$376
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Wed 1/6
7:00 am-3:15 pm
1 stop7h 15m
Nassau Intl
Wed 1/13
2:55 pm-11:39 pm
1 stop9h 44m
$398
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Sat 10/17
7:00 am-3:28 pm
1 stop7h 28m
Nassau Intl
Fri 10/23
1:06 pm-9:42 am
2 stops21h 36m
$399
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Sun 11/1
6:15 am-1:33 pm
1 stop6h 18m
Nassau Intl
Fri 11/6
2:40 pm-8:55 am
2 stops19h 15m
$402
St. LouisNassau
STL Lambert-St Louis - NAS Nassau Intl
STLNAS
Lambert-St Louis
Tue 1/19
6:30 am-2:27 pm
1 stop6h 57m
Nassau Intl
Sat 1/23
2:40 pm-10:13 pm
1 stop8h 33m
$408
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-STT
STL-SXM
STL-PUJ
STL-MBJ
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-STT
STL-SXM
STL-PUJ
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 $542). Flying from St. Louis to Caribbean in November is currently the most expensive (average of $680). 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 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 September 2, 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from 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 September 2, 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.
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Consider these flights traveling from St. Louis to Caribbean.
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 September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$465 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$225 | Average$559 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$659 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$667 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$709 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$459 | Average$665 | FlexibilityNo cancel fee | On-time62% |