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$113+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$225
(American Airlines)

One-way from

$113
(Delta)

Popular in

December

Cheapest in

October

Average price

$364

Good round-trip deal

$636 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. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amSTL - SJU
1 stop16h 05mAmerican Airlines
Wed 10/223:00 pmSJU - STL
1 stop9h 54mAmerican Airlines
Deal found 9/14$225
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/286:00 amSTL - SJU
2 stops8h 54mAmerican Airlines
Tue 11/42:47 pmSJU - STL
1 stop9h 40mAmerican Airlines
Deal found 9/13$226
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/2510:01 amMCI - SJU
2 stops12h 56mUnited Airlines
Thu 10/307:10 amSJU - MCI
1 stop8h 11mUnited Airlines
Deal found 9/12$235
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:02 amMCI - SJU
1 stop16h 57mAmerican Airlines
Wed 10/225:30 amSJU - MCI
1 stop8h 24mAmerican Airlines
Deal found 9/14$241
This Spirit deal was found by Cheapflights users on 9/13. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:15 pmSTL - STT
1 stop13h 41mSpirit Airlines
Sat 10/2511:01 amSTT - STL
1 stop8h 09mSpirit Airlines
Deal found 9/13$263
This Frontier deal was found by Cheapflights users on 9/14. 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 11/273:14 pmSTL - SJU
1 stop7h 52mFrontier
Fri 12/511:05 amSJU - STL
1 stop13h 41mFrontier
Deal found 9/14$268
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:40 amSTL - SJU
1 stop9h 30mDelta
Fri 12/123:20 pmSJU - STL
1 stop7h 26mDelta
Deal found 9/14$269
This Priceline deal was found by Cheapflights users on 9/14. 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 9/291:57 pmSTL - SJU
1 stop29h 34mFrontier
Thu 10/24:42 pmSJU - STL
1 stop28h 55mFrontier
Deal found 9/14$272
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:02 amMCI - SJU
1 stop16h 57mAmerican Airlines
Tue 10/211:35 pmSJU - MCI
1 stop10h 24mAmerican Airlines
Deal found 9/14$274
This Priceline deal was found by Cheapflights users on 9/14. 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.
Fri 10/246:42 pmSTL - SJU
1 stop16h 18mFrontier
Sun 10/263:40 amSJU - STL
1 stop14h 30mFrontier
Deal found 9/14$276
This Frontier deal was found by Cheapflights users on 9/14. 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 10/65:15 pmMCI - SJU
2 stops15h 39mFrontier
Thu 10/99:06 pmSJU - MCI
2 stops14h 36mFrontier
Deal found 9/14$278
This Frontier deal was found by Cheapflights users on 9/14. 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 9/295:15 pmMCI - SJU
2 stops15h 41mFrontier
Fri 10/37:15 amSJU - MCI
1 stop10h 06mFrontier
Deal found 9/14$279

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 September 15, 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

Fri 10/24

1:55 pm-12:45 am

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Tue 10/28

6:10 am-8:00 pm

2 stops14h 50m

$225

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 1/27

8:00 am-8:30 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Tue 2/3

3:30 pm-12:01 am

1 stop10h 31m

$235

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 10/18

7:15 pm-9:56 am

1 stop13h 41m

Saint Thomas Island Cyril E King

Sat 10/25

11:01 am-6:10 pm

1 stop8h 09m

$263

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 12/4

5:11 pm-2:50 am

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Sun 12/7

3:55 am-8:45 am

1 stop6h 50m

$268

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 3/3

6:00 am-2:15 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:17 pm-11:40 pm

1 stop7h 23m

$269

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 2/22

7:30 am-8:30 pm

1 stop11h 00m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:15 am-3:01 pm

1 stop10h 46m

$269

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 12/9

11:40 am-11:10 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Fri 12/12

3:20 pm-8:46 pm

1 stop7h 26m

$269

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 10/31

5:55 am-4:33 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Sat 11/8

4:30 pm-11:01 pm

1 stop8h 31m

$274

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Wed 10/29

8:55 am-10:45 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Sun 11/2

5:40 am-10:20 am

1 stop6h 40m

$298

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Sun 10/19

5:15 am-12:59 pm

1 stop6h 44m

Saint Thomas Island Cyril E King

Sat 10/25

2:01 pm-9:59 pm

1 stop8h 58m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, September is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $254). Flying from Missouri to Caribbean in June is currently the most expensive (average of $339). 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 September 15, 2025.

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 9h 50m. Southwest provides one of the quickest options available for as low as $225. 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 $113 on Delta. Other airlines that offer cheap prices include United Airlines from $113 and American Airlines from $118 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 $254). Flying from Missouri to Caribbean in June is currently the most expensive (average of $339). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$393FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$352FlexibilityNo cancel feeOn-time65%
DeltaCheapest$209Average$598FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$607FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$219Average$733FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$645FlexibilityNo cancel feeOn-time71%

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