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$69+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Missouri to Caribbean

Keep the following information in mind while searching for Missouri to Caribbean flight deals. Data was last updated October 30, 2025.

Round-trip from

$153
(CheapOair)

One-way from

$84
(Priceline)

Popular in

December

Cheapest in

September

Average price

$485

Good round-trip deal

$495 or less

Good one-way deal

$311 or less
From Missouri to Caribbean
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One-way flight from Missouri to Caribbean
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Highest demand for flights based on searches. 11% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Missouri to Caribbean.
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Price to beat on a one-way flight from Missouri to Caribbean.
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 11/1810:00 amSTL - SJU
2 stops10h 22mUnited Airlines
Tue 11/182:05 amSJU - STL
1 stop10h 35mUnited Airlines
Deal found 10/28$220
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:00 amSTL - SJU
2 stops10h 22mUnited Airlines
Thu 11/208:10 amSJU - STL
1 stop9h 36mUnited Airlines
Deal found 10/27$225
This Priceline deal was found by Cheapflights users on 10/30. 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 11/132:12 pmSTL - SJU
1 stop10h 42mFrontier
Sat 11/153:59 amSJU - STL
1 stop11h 18mFrontier
Deal found 10/30$226
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 amMCI - SJU
1 stop18h 54mMultiple Airlines
Thu 12/412:00 pmSJU - MCI
2 stops27h 53mMultiple Airlines
Deal found 10/30$254
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:33 pmSTL - SJU
1 stop16h 46mFrontier
Fri 11/1412:29 pmSJU - STL
1 stop29h 09mFrontier
Deal found 10/30$261
This Frontier deal was found by Cheapflights users on 10/27. 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.
Sun 11/167:45 pmSTL - SJU
2 stops18h 25mFrontier
Thu 11/206:01 amSJU - STL
2 stops19h 56mFrontier
Deal found 10/27$270
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/66:00 amMCI - SJU
1 stop15h 52mAmerican Airlines
Sat 12/138:18 amSJU - MCI
1 stop11h 52mAmerican Airlines
Deal found 10/28$274
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:33 pmSTL - SJU
1 stop8h 21mFrontier
Sat 11/223:59 amSJU - STL
1 stop7h 30mFrontier
Deal found 10/30$274
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/2911:13 amMCI - SJU
2 stops23h 16mMultiple Airlines
Thu 1/810:59 amSJU - MCI
1 stop25h 12mMultiple Airlines
Deal found 10/28$278
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/156:00 amMCI - SJU
2 stops33h 19mMultiple Airlines
Thu 11/203:59 amSJU - MCI
1 stop10h 04mMultiple Airlines
Deal found 10/29$291
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 12/95:15 amSTL - SJU
2 stops9h 48mAmerican Airlines
Fri 12/128:20 amSJU - STL
1 stop10h 48mAmerican Airlines
Deal found 10/28$295
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:11 amSTL - SJU
1 stop11h 47mAmerican Airlines
Thu 12/46:42 pmSJU - STL
1 stop7h 17mAmerican Airlines
Deal found 10/28$298

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 October 30, 2025.
Use the filters below to find and compare flights from Missouri to Caribbean that are best for you.

Fly from

Missouri

Fly to

Caribbean

Route

Depart

Return

Price

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 1/25

9:59 am-8:57 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:30 pm-11:25 pm

1 stop8h 55m

$225

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 1/27

10:00 am-9:00 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Tue 2/3

7:45 am-4:53 pm

1 stop11h 08m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 1/20

10:00 am-12:36 am

2 stops12h 36m

San Juan Luis Munoz Marin Intl

Tue 1/27

3:46 pm-10:40 pm

1 stop8h 54m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 1/12

1:55 pm-11:44 pm

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Sat 1/17

7:30 am-2:56 pm

1 stop9h 26m

$235

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Fri 11/14

5:05 pm-2:54 am

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Sun 11/16

3:59 am-9:40 am

1 stop7h 41m

$269

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 1/26

12:15 pm-12:35 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Sat 1/31

5:30 am-12:20 pm

2 stops8h 50m

$274

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 1/21

5:11 pm-3:11 pm

1 stop20h 00m

Saint Thomas Island Cyril E King

Thu 1/29

4:06 pm-10:33 pm

1 stop8h 27m

$307

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Thu 11/27

6:00 am-9:12 pm

1 stop13h 12m

San Juan Luis Munoz Marin Intl

Thu 12/4

5:00 pm-11:15 pm

1 stop8h 15m

$310

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 3/3

10:10 am-9:26 pm

1 stop9h 16m

San Juan Luis Munoz Marin Intl

Wed 3/4

4:52 pm-10:59 pm

1 stop8h 07m

$315

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 2/1

6:30 am-9:26 pm

2 stops12h 56m

San Juan Luis Munoz Marin Intl

Sun 2/8

8:35 am-2:30 pm

1 stop7h 55m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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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

What is the cheapest month to book a flight from Missouri to Caribbean?

Currently, May is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $140). Flying from Missouri to Caribbean in August is currently the most expensive (average of $224). 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 October 30, 2025.

When flying from Missouri to Caribbean, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the morning.

What is the cheapest day to fly from Missouri to Caribbean?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Caribbean. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Caribbean flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 49m. Delta provides one of the quickest options available for as low as $269. Missouri and Caribbean are separated by a distance of 2024 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 $69 on Frontier. Other airlines that offer cheap prices include American Airlines from $118 and Spirit Airlines from $136 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, May is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $140). Flying from Missouri to Caribbean in August is currently the most expensive (average of $224). 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.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$395FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$343FlexibilityNo cancel feeOn-time65%
DeltaCheapest$206Average$604FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$219Average$728FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$225Average$585FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$647FlexibilityNo cancel feeOn-time71%

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