Caribbean

$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
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Cheap flight deals from Missouri to Caribbean

Cheapest flights from Missouri to Caribbean
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$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$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$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$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$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$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$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$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$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$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$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$288

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
From Missouri to Caribbean
One-way flight from Missouri to Caribbean
Highest demand for flights based on searches. 19% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Missouri to Caribbean.
Price to beat on a one-way flight from Missouri to Caribbean.

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

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.
  • How long is the flight from Missouri to Caribbean?

    A quick flight from Missouri to Caribbean can take about 7h 57m. Frontier provides one of the quickest options available for as low as $396. Missouri and Caribbean are separated by a distance of 1209 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Caribbean one-way?

    One-way options have recently been found by users for as low as $90 on Frontier. Other airlines that offer cheap prices include United Airlines from $105 and Delta from $108 one-way.

  • Can I find deals for flights from Missouri to Caribbean that include hotel bookings?

    Yes. In addition to deals on Missouri to Caribbean flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Caribbean?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Caribbean.

  • Can I find deals for business class flights from Missouri to Caribbean?

    Yes. Cheapflights offers flight deals from Missouri to Caribbean by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Browse thousands of different 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.

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.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$604FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$138Average$442FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$153Average$339FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$219Average$680FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$225Average$539FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$609FlexibilityNo cancel feeOn-time71%

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