$108+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Jun 2 — Jun 91
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
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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 May 3, 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 May 3, 2026.
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:00 am
STL
- PUJ
Nonstop4h 30m
Frontier
Wed 7/2911:34 am
PUJ
- STL
Nonstop4h 38m
Frontier
Deal found 4/29![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:34 pm
STL
- SJU
1 stop12h 28m
Frontier
Wed 7/226:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 4/30![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:19 pm
STL
- SJU
1 stop8h 52m
Frontier
Thu 6/46:09 pm
SJU
- STL
1 stop6h 48m
Frontier
Deal found 4/27![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:09 pm
STL
- SJU
1 stop9h 02m
Frontier
Sun 8/164:05 pm
SJU
- STL
1 stop8h 54m
Frontier
Deal found 4/30![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:34 pm
STL
- SJU
1 stop12h 28m
Frontier
Fri 7/316:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 4/30![Frontier logo]()
$258
This Priceline deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:09 pm
STL
- SJU
1 stop20h 11m
Frontier
Mon 8/109:24 am
SJU
- STL
1 stop15h 35m
Frontier
Deal found 5/1![Frontier logo]()
$260
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:59 pm
STL
- SJU
1 stop8h 02m
Frontier
Fri 5/83:33 pm
SJU
- STL
1 stop9h 48m
Frontier
Deal found 4/27![Frontier logo]()
$261
This Priceline deal was found by Cheapflights users on 4/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:09 pm
STL
- SJU
1 stop9h 02m
Frontier
Fri 8/76:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 4/28![Frontier logo]()
$276
This Priceline deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:09 pm
STL
- SJU
1 stop14h 48m
Frontier
Thu 7/306:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 5/1![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/196:33 pm
STL
- SJU
2 stops21h 53m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$282
This Priceline deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/214:09 pm
STL
- SJU
1 stop24h 27m
Frontier
Fri 7/316:00 am
SJU
- STL
1 stop18h 59m
Frontier
Deal found 5/1![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/205:27 pm
STL
- SJU
2 stops21h 28m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$288
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 May 3, 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 May 3, 2026.
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:09 pm
STL
- SJU
1 stop9h 02m
Frontier
Fri 8/76:31 pm
SJU
- STL
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$361
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/135:24 am
STL
- AUA
1 stop10h 01m
American Airlines
Wed 5/204:20 pm
AUA
- STL
1 stop17h 13m
American Airlines
Deal found 4/29![American Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/96:00 am
STL
- NAS
1 stop7h 57m
United Airlines
Mon 7/133:59 pm
NAS
- STL
1 stop6h 27m
United Airlines
Deal found 4/29![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/286:00 am
STL
- NAS
1 stop9h 35m
Delta
Thu 6/46:00 pm
NAS
- STL
1 stop6h 59m
Delta
Deal found 4/28![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 4/28. 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.
Tue 6/238:25 pm
STL
- SJU
1 stop11h 35m
Southwest
Sat 7/46:00 am
SJU
- STL
Nonstop4h 35m
Southwest
Deal found 4/28![Southwest logo]()
$463
This Copa Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:36 pm
MCI
- PUJ
2 stops21h 59m
Copa Airlines
Sun 7/125:37 am
PUJ
- MCI
2 stops28h 05m
Copa Airlines
Deal found 5/2![Copa Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 7/177:08 am
STL
- NAS
1 stop8h 31m
Delta
Wed 7/221:16 pm
NAS
- STL
1 stop11h 37m
Delta
Deal found 4/30![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/296:14 am
STL
- NAS
1 stop6h 33m
United Airlines
Fri 6/53:59 pm
NAS
- STL
1 stop7h 45m
United Airlines
Deal found 4/29![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/156:00 am
STL
- STT
1 stop8h 43m
United Airlines
Tue 5/191:22 pm
STT
- STL
1 stop10h 08m
United Airlines
Deal found 4/30![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:30 pm
STL
- SJU
1 stop8h 10m
Southwest
Fri 7/315:30 am
SJU
- STL
2 stops14h 00m
Southwest
Deal found 5/2![Southwest logo]()
$467
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/264:21 pm
MCI
- PLS
1 stop20h 49m
American Airlines
Sat 10/33:50 pm
PLS
- MCI
1 stop9h 19m
American Airlines
Deal found 4/29![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 9/136:00 am
STL
- MBJ
1 stop7h 09m
Delta
Fri 9/184:59 pm
MBJ
- STL
1 stop6h 38m
Delta
Deal found 4/30![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/156:10 am
MCI
- STT
1 stop8h 33m
United Airlines
Tue 5/191:22 pm
STT
- MCI
1 stop10h 07m
United Airlines
Deal found 4/30![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 4/28. 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 7/244:30 pm
STL
- SJU
1 stop7h 50m
Southwest
Mon 7/276:30 am
SJU
- STL
2 stops8h 50m
Southwest
Deal found 4/28![Southwest logo]()
$467
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:22 pm
STL
- SJU
1 stop8h 07m
Delta
Wed 8/52:05 pm
SJU
- STL
1 stop7h 32m
Delta
Deal found 4/27![Delta logo]()
$446
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:50 pm
MCI
- PLS
1 stop18h 10m
American Airlines
Sun 10/183:50 pm
PLS
- MCI
2 stops17h 36m
American Airlines
Deal found 5/2![American Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:05 am
STL
- NAS
1 stop5h 59m
Delta
Tue 6/26:00 pm
NAS
- STL
1 stop6h 59m
Delta
Deal found 4/27![Delta logo]()
$446
This Southwest deal was found by Cheapflights users on 4/30. 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.
Sat 6/1312:00 pm
MCI
- SJU
1 stop10h 40m
Southwest
Wed 6/175:00 am
SJU
- MCI
1 stop11h 30m
Southwest
Deal found 4/30![Southwest logo]()
$504
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 7/226:16 am
MCI
- PLS
1 stop7h 09m
United Airlines
Wed 7/2912:35 pm
PLS
- MCI
1 stop12h 24m
United Airlines
Deal found 4/30![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:23 pm
STL
- MBJ
2 stops16h 24m
American Airlines
Tue 8/45:14 pm
MBJ
- STL
2 stops16h 18m
American Airlines
Deal found 5/2![American Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 6/76:58 pm
MCI
- PUJ
1 stop16h 35m
Delta
Tue 6/92:00 pm
PUJ
- MCI
2 stops24h 23m
Delta
Deal found 4/28![Delta logo]()
$461
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:25 am
MCI
- SJU
2 stops8h 00m
Southwest
Mon 8/310:20 pm
SJU
- MCI
1 stop13h 40m
Southwest
Deal found 5/2![Southwest logo]()
$509
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
STL
- AUA
1 stop8h 30m
United Airlines
Sat 6/61:50 pm
AUA
- STL
1 stop8h 26m
United Airlines
Deal found 5/1![United Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:00 am
STL
- PUJ
1 stop9h 19m
American Airlines
Sat 9/121:35 pm
PUJ
- STL
1 stop8h 48m
American Airlines
Deal found 5/1![American Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 5/117:05 am
MCI
- SJU
1 stop8h 28m
Delta
Sat 5/162:48 pm
SJU
- MCI
1 stop10h 01m
Delta
Deal found 4/28![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 4/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:55 pm
MCI
- SJU
1 stop9h 25m
Southwest
Mon 8/105:30 am
SJU
- MCI
1 stop13h 25m
Southwest
Deal found 4/27![Southwest logo]()
$521
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:29 pm
STL
- AUA
2 stops19h 31m
United Airlines
Tue 6/161:50 pm
AUA
- STL
1 stop8h 31m
United Airlines
Deal found 5/1![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 10/125:30 pm
STL
- PUJ
2 stops17h 58m
Delta
Wed 10/212:49 pm
PUJ
- STL
1 stop9h 50m
Delta
Deal found 4/28![Delta logo]()
$469
This Southwest deal was found by Cheapflights users on 4/30. 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 9/75:00 am
MCI
- STT
1 stop7h 50m
Southwest
Fri 9/112:35 pm
STT
- MCI
1 stop9h 10m
Southwest
Deal found 4/30![Southwest logo]()
$536
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/117:53 am
MCI
- PLS
1 stop7h 12m
United Airlines
Wed 7/153:30 pm
PLS
- MCI
1 stop8h 01m
United Airlines
Deal found 4/30![United Airlines logo]()
$496
Last-minute flights from Missouri to CaribbeanDiscover last-minute flight deals from Missouri to Caribbean. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Caribbean. Data last updated May 3, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:59 pm
STL
- SJU
1 stop8h 02m
Frontier
Fri 5/83:33 pm
SJU
- STL
1 stop9h 48m
Frontier
Deal found 4/27![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/196:33 pm
STL
- SJU
2 stops21h 53m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/196:33 pm
STL
- SJU
2 stops21h 53m
Frontier
Fri 5/225:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/29![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/205:27 pm
STL
- SJU
2 stops21h 28m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Sat 5/236:25 am
SJU
- STL
1 stop14h 06m
Frontier
Deal found 4/27![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Sun 5/246:25 am
SJU
- STL
1 stop9h 06m
Frontier
Deal found 4/27![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/235:27 pm
STL
- SJU
2 stops21h 28m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/255:27 pm
STL
- SJU
2 stops29h 32m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:33 pm
STL
- SJU
1 stop12h 16m
Frontier
Thu 6/46:09 pm
SJU
- STL
1 stop6h 48m
Frontier
Deal found 4/27![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 5/266:33 pm
STL
- SJU
2 stops20h 17m
Frontier
Fri 5/295:15 pm
SJU
- STL
1 stop16h 40m
Frontier
Deal found 4/27![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 4/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Thu 6/46:09 pm
SJU
- STL
1 stop6h 48m
Frontier
Deal found 4/27![Frontier logo]()
$318
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Thu 6/46:09 pm
SJU
- STL
1 stop6h 48m
Frontier
Deal found 4/30![Frontier logo]()
$315
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 May 3, 2026.
Search for one-way flight options from Missouri to Caribbean. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 4/29![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:34 pm
STL
- SJU
1 stop12h 28m
Frontier
Deal found 4/30![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/276:16 pm
MCI
- SJU
2 stops43h 13m
Frontier
Deal found 4/30![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:24 pm
MCI
- SJU
2 stops43h 09m
Frontier
Deal found 5/1![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/245:06 pm
STL
- SJU
2 stops30h 38m
Frontier
Deal found 4/28![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:19 pm
STL
- SJU
1 stop8h 49m
Frontier
Deal found 5/1![Frontier logo]()
$132
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/276:00 am
STL
- NAS
1 stop7h 57m
United Airlines
Deal found 4/28![United Airlines logo]()
$134
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:17 pm
STL
- SJU
1 stop8h 52m
Frontier
Deal found 4/29![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:09 pm
STL
- SJU
1 stop14h 48m
Frontier
Deal found 4/28![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:17 pm
STL
- SJU
1 stop8h 52m
Frontier
Deal found 4/30![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/277:30 am
STL
- NAS
2 stops11h 00m
American Airlines
Deal found 4/30![American Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:24 pm
MCI
- SJU
2 stops20h 26m
Frontier
Deal found 5/1![Frontier logo]()
$144
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 May 3, 2026.
Round-trip from | $237 (Expedia) |
|---|---|
One-way from | $108 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $422 |
Good round-trip deal | $547 or less |
Good one-way deal | $276 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 May 3, 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
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Wed 7/29
4:09 pm-2:11 am
1 stop9h 02m
San Juan Luis Munoz Marin Intl
Fri 8/7
6:31 pm-11:59 pm
1 stop6h 28m
$361
St. LouisOranjestad
STL - AUA
STLAUA
Lambert-St Louis
Wed 5/13
5:24 am-4:25 pm
1 stop10h 01m
Oranjestad Reina Beatrix
Wed 5/20
4:20 pm-8:33 am
1 stop17h 13m
$396
St. LouisNassau
STL - NAS
STLNAS
Lambert-St Louis
Thu 7/9
6:00 am-2:57 pm
1 stop7h 57m
Nassau Intl
Mon 7/13
3:59 pm-9:26 pm
1 stop6h 27m
$396
St. LouisNassau
STL - NAS
STLNAS
Lambert-St Louis
Thu 5/28
6:00 am-4:35 pm
1 stop9h 35m
Nassau Intl
Thu 6/4
6:00 pm-11:59 pm
1 stop6h 59m
$411
St. LouisNassau
STL - NAS
STLNAS
Lambert-St Louis
Fri 7/17
7:08 am-4:39 pm
1 stop8h 31m
Nassau Intl
Wed 7/22
1:16 pm-11:53 pm
1 stop11h 37m
$411
St. LouisNassau
STL - NAS
STLNAS
Lambert-St Louis
Fri 5/29
6:14 am-1:47 pm
1 stop6h 33m
Nassau Intl
Fri 6/5
3:59 pm-10:44 pm
1 stop7h 45m
$411
St. LouisSaint Thomas Island
STL - STT
STLSTT
Lambert-St Louis
Fri 5/15
6:00 am-3:43 pm
1 stop8h 43m
Saint Thomas Island Cyril E King
Tue 5/19
1:22 pm-10:30 pm
1 stop10h 08m
$420
Kansas CitySaint Thomas Island
MCI - STT
MCISTT
Kansas City
Fri 5/15
6:10 am-3:43 pm
1 stop8h 33m
Saint Thomas Island Cyril E King
Tue 5/19
1:22 pm-10:29 pm
1 stop10h 07m
$420
St. LouisMontego Bay
STL - MBJ
STLMBJ
Lambert-St Louis
Sun 9/13
6:00 am-1:09 pm
1 stop7h 09m
Montego Bay Sangster Intl
Fri 9/18
4:59 pm-11:37 pm
1 stop6h 38m
$444
St. LouisSan Juan
STL - SJU
STLSJU
Lambert-St Louis
Fri 7/31
1:22 pm-10:29 pm
1 stop8h 07m
San Juan Luis Munoz Marin Intl
Wed 8/5
2:05 pm-8:37 pm
1 stop7h 32m
$446
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.
STL-NAS
STL-SJU
MCI-SJU
STL-MBJ
MCI-STT
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
STL-NAS
STL-SJU
MCI-SJU
STL-MBJ
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.
What is the cheapest month to book a flight from Missouri to Caribbean?
Currently, September is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $108). Flying from Missouri to Caribbean in August is currently the most expensive (average of $1,044). 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 May 3, 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.
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.
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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 May 3, 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$604 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$442 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$339 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$219 | Average$680 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$225 | Average$539 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$609 | FlexibilityNo cancel fee | On-time71% |