$118+ Cheap flights from Missouri 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Caribbean with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Missouri to CaribbeanExplore the most affordable flight options available from Missouri to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Missouri to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 10/59:16 am
MCI
- SJU
1 stop29h 01m
Multiple Airlines
Sun 11/16:12 pm
SJU
- MCI
1 stop16h 14m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 10/2910:35 am
STL
- SJU
2 stops12h 22m
Frontier
Sat 11/76:31 pm
SJU
- STL
1 stop27h 08m
Frontier
Deal found 8/1![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Sun 8/239:16 am
SJU
- STL
1 stop7h 55m
Frontier
Deal found 7/28![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 9/142:29 pm
STL
- SJU
2 stops25h 16m
Frontier
Thu 9/172:57 am
SJU
- STL
1 stop14h 37m
Frontier
Deal found 7/29![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/282:29 pm
STL
- SJU
2 stops25h 16m
Frontier
Sun 10/45:11 pm
SJU
- STL
1 stop20h 59m
Frontier
Deal found 8/1![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 10/318:34 pm
STL
- SJU
1 stop11h 24m
Frontier
Sat 11/78:24 pm
SJU
- STL
2 stops39h 16m
Frontier
Deal found 7/31![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 10/25:19 pm
STL
- SJU
1 stop15h 16m
Frontier
Tue 10/68:45 am
SJU
- STL
2 stops29h 25m
Frontier
Deal found 7/30![Frontier logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/232:29 pm
STL
- SJU
2 stops10h 44m
Frontier
Mon 9/286:30 am
SJU
- STL
1 stop7h 40m
Frontier
Deal found 7/30![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 8/314:23 pm
STL
- SJU
1 stop17h 43m
Frontier
Wed 9/25:37 pm
SJU
- STL
2 stops24h 45m
Frontier
Deal found 7/29![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 10/59:16 am
MCI
- SJU
1 stop29h 01m
Multiple Airlines
Mon 10/126:00 am
SJU
- MCI
2 stops32h 22m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:19 pm
STL
- SJU
1 stop7h 33m
Frontier
Tue 9/226:05 pm
SJU
- STL
2 stops20h 05m
Frontier
Deal found 8/1![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 11/710:35 am
STL
- SJU
2 stops12h 03m
Frontier
Fri 11/1310:03 am
SJU
- STL
1 stop11h 36m
Frontier
Deal found 7/31![Frontier logo]()
$307
Best flights from Missouri to CaribbeanDiscover carefully curated flight deals from Missouri to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Missouri to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Southwest deal was found by Cheapflights users on 7/29. 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 8/282:00 pm
MCI
- SJU
1 stop7h 50m
Southwest
Fri 9/46:00 am
SJU
- MCI
1 stop6h 40m
Southwest
Deal found 7/29![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/319:49 am
MCI
- SJU
1 stop9h 11m
United Airlines
Sat 11/78:05 am
SJU
- MCI
2 stops11h 20m
United Airlines
Deal found 7/28![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:22 pm
MCI
- SJU
1 stop9h 07m
Delta
Sat 8/295:49 pm
SJU
- MCI
1 stop7h 09m
Delta
Deal found 7/30![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 9/195:24 pm
MCI
- MBJ
2 stops19h 29m
American Airlines
Fri 9/2512:05 pm
MBJ
- MCI
1 stop11h 19m
American Airlines
Deal found 7/28![American Airlines logo]()
$415
This Travelocity deal was found by Cheapflights users on 8/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm
STL
- MBJ
2 stops23h 10m
Air Canada
Sun 11/12:20 pm
MBJ
- STL
2 stops50h 06m
Air Canada
Deal found 8/1![Air Canada logo]()
$466
This FlightHub deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:34 pm
STL
- PUJ
2 stops38h 59m
Frontier
Tue 11/172:43 pm
PUJ
- STL
2 stops20h 57m
Frontier
Deal found 8/2![Frontier logo]()
$505
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/142:10 pm
MCI
- SJU
1 stop7h 45m
Southwest
Fri 9/183:20 pm
SJU
- MCI
1 stop8h 00m
Southwest
Deal found 7/31![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
STL
- SJU
1 stop7h 44m
United Airlines
Sat 10/31:00 am
SJU
- STL
2 stops12h 15m
United Airlines
Deal found 8/1![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/29. 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 9/246:00 am
STL
- SJU
1 stop9h 49m
Delta
Wed 9/307:00 am
SJU
- STL
1 stop9h 54m
Delta
Deal found 7/29![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 am
MCI
- SJU
1 stop10h 25m
Southwest
Mon 9/215:00 am
SJU
- MCI
1 stop9h 55m
Southwest
Deal found 7/28![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/16:15 am
STL
- SJU
1 stop8h 27m
United Airlines
Fri 9/43:56 pm
SJU
- STL
1 stop8h 03m
United Airlines
Deal found 7/31![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:25 pm
STL
- SJU
1 stop6h 50m
Southwest
Tue 9/221:20 pm
SJU
- STL
1 stop7h 35m
Southwest
Deal found 7/28![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 7/28. 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 1/75:50 pm
MCI
- MBJ
2 stops18h 08m
American Airlines
Wed 1/134:16 pm
MBJ
- MCI
2 stops18h 45m
American Airlines
Deal found 7/28![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
STL
- SJU
2 stops11h 38m
United Airlines
Fri 9/41:00 am
SJU
- STL
2 stops12h 03m
United Airlines
Deal found 7/30![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 10/258:05 am
MCI
- MBJ
1 stop7h 24m
Delta
Sat 10/314:50 pm
MBJ
- MCI
1 stop7h 06m
Delta
Deal found 7/31![Delta logo]()
$430
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 10/209:48 am
MCI
- MBJ
1 stop6h 24m
American Airlines
Mon 10/265:13 pm
MBJ
- MCI
2 stops18h 13m
American Airlines
Deal found 8/2![American Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:30 pm
STL
- SJU
2 stops8h 40m
Southwest
Sat 12/510:55 am
SJU
- STL
Nonstop5h 00m
Southwest
Deal found 7/28![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 7/31. 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 11/811:15 am
STL
- SJU
1 stop7h 45m
United Airlines
Sat 11/142:05 am
SJU
- STL
1 stop8h 58m
United Airlines
Deal found 7/31![United Airlines logo]()
$390
This FlightHub deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:23 pm
STL
- PUJ
2 stops17h 01m
Frontier
Wed 8/2611:39 am
PUJ
- STL
2 stops30h 43m
Frontier
Deal found 8/2![Frontier logo]()
$522
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm
STL
- AUA
1 stop22h 20m
Air Canada
Wed 11/45:25 pm
AUA
- STL
1 stop24h 01m
Air Canada
Deal found 8/1![Air Canada logo]()
$524
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:51 pm
MCI
- MBJ
1 stop22h 06m
American Airlines
Wed 11/111:22 pm
MBJ
- MCI
1 stop7h 21m
American Airlines
Deal found 8/1![American Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
STL
- STT
1 stop6h 34m
Delta
Sat 9/54:13 pm
STT
- STL
1 stop8h 18m
Delta
Deal found 8/2![Delta logo]()
$440
This Southwest deal was found by Cheapflights users on 8/1. 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.
Thu 10/296:10 pm
STL
- SJU
1 stop6h 10m
Southwest
Sat 11/710:55 am
SJU
- STL
Nonstop5h 00m
Southwest
Deal found 8/1![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 8/1. 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.
Fri 8/286:00 am
STL
- STT
1 stop6h 34m
Delta
Fri 9/42:49 pm
STT
- STL
1 stop10h 09m
Delta
Deal found 8/1![Delta logo]()
$440
This American Airlines deal was found by Cheapflights users on 8/1. 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 10/137:46 pm
MCI
- STT
2 stops18h 09m
American Airlines
Tue 10/201:07 pm
STT
- MCI
1 stop11h 17m
American Airlines
Deal found 8/1![American Airlines logo]()
$440
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm
STL
- MBJ
1 stop19h 45m
Air Canada
Thu 11/51:50 pm
MBJ
- STL
1 stop26h 36m
Air Canada
Deal found 7/28![Air Canada logo]()
$535
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:19 am
MCI
- SJU
1 stop8h 23m
United Airlines
Tue 10/61:00 am
SJU
- MCI
2 stops10h 26m
United Airlines
Deal found 8/1![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 7/31. 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 1/2010:15 am
STL
- SJU
1 stop9h 45m
Southwest
Wed 1/2710:45 am
SJU
- STL
2 stops9h 25m
Southwest
Deal found 7/31![Southwest logo]()
$396
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 10/65:13 pm
MCI
- STT
2 stops20h 42m
American Airlines
Sat 10/103:46 pm
STT
- MCI
2 stops17h 55m
American Airlines
Deal found 7/29![American Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 7/31. 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 10/76:00 am
MCI
- STT
1 stop6h 37m
Delta
Wed 10/142:47 pm
STT
- MCI
1 stop10h 09m
Delta
Deal found 7/31![Delta logo]()
$464
Last-minute flights from Missouri to CaribbeanDiscover last-minute flight deals from Missouri to Caribbean. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Caribbean. Data last updated August 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Sun 8/239:16 am
SJU
- STL
1 stop7h 55m
Frontier
Deal found 7/28![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Thu 8/273:10 am
SJU
- STL
1 stop13h 18m
Frontier
Deal found 8/1![Frontier logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:42 am
STL
- SJU
2 stops10h 15m
American Airlines
Mon 8/3110:33 am
SJU
- STL
2 stops13h 07m
American Airlines
Deal found 7/30![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 8/2411:26 am
MCI
- SJU
2 stops12h 30m
Frontier
Thu 8/273:48 pm
SJU
- MCI
1 stop19h 53m
Frontier
Deal found 7/29![Frontier logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 8/244:23 pm
STL
- SJU
1 stop8h 52m
Frontier
Thu 8/2712:11 pm
SJU
- STL
1 stop28h 17m
Frontier
Deal found 7/31![Frontier logo]()
$347
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
MCI
- SJU
2 stops11h 33m
American Airlines
Sat 8/291:38 pm
SJU
- MCI
2 stops9h 49m
American Airlines
Deal found 7/30![American Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/265:01 am
MCI
- SJU
1 stop6h 39m
American Airlines
Sat 8/296:00 am
SJU
- MCI
2 stops11h 29m
American Airlines
Deal found 7/29![American Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/29. 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.
Thu 8/271:40 pm
MCI
- SJU
2 stops9h 10m
Southwest
Thu 9/36:00 am
SJU
- MCI
2 stops8h 30m
Southwest
Deal found 7/29![Southwest logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/286:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Fri 9/46:09 pm
SJU
- STL
1 stop23h 02m
Frontier
Deal found 7/29![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/2811:26 am
MCI
- SJU
2 stops12h 30m
Frontier
Fri 9/45:25 pm
SJU
- MCI
1 stop23h 40m
Frontier
Deal found 7/29![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 8/295:02 pm
STL
- SJU
1 stop8h 13m
Frontier
Sat 9/55:37 pm
SJU
- STL
2 stops24h 45m
Frontier
Deal found 7/30![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 8/314:23 pm
STL
- SJU
1 stop17h 43m
Frontier
Wed 9/25:37 pm
SJU
- STL
2 stops24h 45m
Frontier
Deal found 7/29![Frontier logo]()
$299
One-way flights from Missouri to CaribbeanSearch for one-way flight options from Missouri to Caribbean. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Missouri to Caribbean. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 9/282:29 pm
STL
- SJU
2 stops25h 16m
Frontier
Deal found 7/29![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 8/306:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Deal found 7/29![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 10/2610:35 am
STL
- SJU
2 stops36h 22m
Frontier
Deal found 7/29![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Tue 10/2710:35 am
STL
- SJU
2 stops30h 44m
Frontier
Deal found 7/31![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/3111:26 am
MCI
- SJU
2 stops12h 30m
Frontier
Deal found 7/28![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/316:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Deal found 8/1![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 10/2910:35 am
STL
- SJU
2 stops12h 22m
Frontier
Deal found 7/29![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 11/29:16 am
MCI
- SJU
1 stop13h 22m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/302:29 pm
STL
- SJU
2 stops34h 44m
Frontier
Deal found 7/30![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Wed 9/162:29 pm
STL
- SJU
2 stops10h 44m
Frontier
Deal found 7/31![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Deal found 8/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/286:17 pm
STL
- SJU
2 stops29h 39m
Frontier
Deal found 7/29![Frontier logo]()
$134
Find flight deals from Missouri to Caribbean
Keep the following information in mind while searching for Missouri to Caribbean flight deals. Data was last updated August 2, 2026.
Round-trip from | $217 (Kiwi.com) |
|---|---|
One-way from | $118 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $434 |
Good round-trip deal | $647 or less |
Good one-way deal | $353 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Caribbean that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Missouri to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Fri 8/28
2:00 pm-10:50 pm
1 stop7h 50m
San Juan Luis Munoz Marin Intl
Fri 9/4
6:00 am-11:40 am
1 stop6h 40m
$346
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Sat 10/31
9:49 am-8:00 pm
1 stop9h 11m
San Juan Luis Munoz Marin Intl
Sat 11/7
8:05 am-5:25 pm
2 stops11h 20m
$346
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Wed 8/26
12:22 pm-10:29 pm
1 stop9h 07m
San Juan Luis Munoz Marin Intl
Sat 8/29
5:49 pm-11:58 pm
1 stop7h 09m
$346
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Mon 9/14
2:10 pm-10:55 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Fri 9/18
3:20 pm-10:20 pm
1 stop8h 00m
$346
Kansas CitySan Juan
MCI - SJU
MCISJU
Kansas City
Fri 9/18
11:30 am-10:55 pm
1 stop10h 25m
San Juan Luis Munoz Marin Intl
Mon 9/21
5:00 am-1:55 pm
1 stop9h 55m
$346
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Mon 9/28
6:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Sat 10/3
1:00 am-12:15 pm
2 stops12h 15m
$356
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Thu 9/24
6:00 am-4:49 pm
1 stop9h 49m
San Juan Luis Munoz Marin Intl
Wed 9/30
7:00 am-3:54 pm
1 stop9h 54m
$356
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Tue 9/1
6:15 am-3:42 pm
1 stop8h 27m
San Juan Luis Munoz Marin Intl
Fri 9/4
3:56 pm-10:59 pm
1 stop8h 03m
$356
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Fri 9/18
2:25 pm-10:15 pm
1 stop6h 50m
San Juan Luis Munoz Marin Intl
Tue 9/22
1:20 pm-7:55 pm
1 stop7h 35m
$356
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Sat 8/29
8:00 am-8:38 pm
2 stops11h 38m
San Juan Luis Munoz Marin Intl
Fri 9/4
1:00 am-12:03 pm
2 stops12h 03m
$378
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from Missouri with our price prediction graph.
MCI-SJU
STL-SJU
STL-PUJ
MCI-PUJ
STL-AUA
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 Missouri to Caribbean
USMO-0CB
MCI-SJU
STL-SJU
STL-PUJ
MCI-PUJ
What is the cheapest month to book a flight from Missouri to Caribbean?
Currently, April is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $542). Flying from Missouri to Caribbean in December is currently the most expensive (average of $683). 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.
What is the cheapest time of day to fly from MO to CB?
Find hourly flight availability from Missouri to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Caribbean as you normally would.
How far ahead should I book a flight from Missouri to Caribbean?
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Missouri to Caribbean. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Alternative routes for Missouri 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 Missouri to Caribbean by cabin class
Find flights from Missouri to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Caribbean flights
Browse other Missouri and Caribbean flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Caribbean
Find the right flight back to Missouri after your stay in Caribbean
Fly to Caribbean countries
Consider these flights traveling to countries located in Caribbean.
Missouri to Caribbean flights
Consider these flights traveling from Missouri to Caribbean.
Top 6 airlines flying from Missouri to Caribbean
Discover the top 6 airlines that operate flights from Missouri to Caribbean. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$608 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$132 | Average$439 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$225 | Average$587 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$644 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$683 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$443 | Average$575 | FlexibilityNo cancel fee | On-time62% |