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Caribbean

$87+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This Frontier deal was found by Cheapflights users on 1/27. 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 2/213:49 pm
STL
-
SJU
1 stop9h 04m
Frontier
Wed 3/411:07 am
SJU
-
STL
1 stop13h 20m
Frontier
Deal found 1/27$178
This Frontier deal was found by Cheapflights users on 1/27. 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 2/233:49 pm
STL
-
SJU
1 stop9h 04m
Frontier
Wed 3/411:07 am
SJU
-
STL
1 stop13h 20m
Frontier
Deal found 1/27$182
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:49 pm
STL
-
SJU
1 stop9h 04m
Frontier
Mon 3/23:53 am
SJU
-
STL
1 stop20h 34m
Frontier
Deal found 1/28$192
This Priceline deal was found by Cheapflights users on 1/28. 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.
Tue 3/33:49 pm
STL
-
SJU
1 stop9h 04m
Frontier
Sun 3/83:08 am
SJU
-
STL
1 stop21h 11m
Frontier
Deal found 1/28$197
This Frontier deal was found by Cheapflights users on 1/27. 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 2/213:49 pm
STL
-
SJU
1 stop9h 04m
Frontier
Sat 2/285:25 pm
SJU
-
STL
1 stop8h 34m
Frontier
Deal found 1/27$199
This Priceline deal was found by Cheapflights users on 1/27. 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.
Tue 2/103:49 pm
STL
-
SJU
1 stop6h 54m
Frontier
Wed 2/115:25 pm
SJU
-
STL
1 stop7h 02m
Frontier
Deal found 1/27$203
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/238:22 pm
STL
-
SJU
2 stops17h 09m
Multiple Airlines
Wed 3/411:07 am
SJU
-
STL
1 stop13h 20m
Multiple Airlines
Deal found 1/27$207
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/238:22 pm
STL
-
SJU
2 stops17h 09m
Multiple Airlines
Wed 3/43:53 am
SJU
-
STL
1 stop29h 09m
Multiple Airlines
Deal found 1/28$212
This Frontier deal was found by Cheapflights users on 1/27. 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 2/273:49 pm
STL
-
SJU
1 stop6h 54m
Frontier
Tue 3/35:25 pm
SJU
-
STL
1 stop7h 02m
Frontier
Deal found 1/27$213
This Frontier deal was found by Cheapflights users on 1/27. 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 2/273:49 pm
STL
-
SJU
1 stop6h 54m
Frontier
Wed 3/411:07 am
SJU
-
STL
1 stop13h 20m
Frontier
Deal found 1/27$217
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:26 am
MCI
-
STT
1 stop27h 08m
Spirit Airlines
Mon 3/25:40 pm
STT
-
MCI
2 stops23h 49m
Spirit Airlines
Deal found 1/28$235
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/233:49 pm
STL
-
STT
1 stop20h 42m
Multiple Airlines
Fri 2/273:36 pm
STT
-
STL
1 stop10h 51m
Multiple Airlines
Deal found 1/27$240

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 January 29, 2026.

Round-trip from

$178
(Frontier)

One-way from

$87
(Priceline)

Popular in

December

Cheapest in

September

Average price

$435

Good round-trip deal

$466 or less
From Missouri to Caribbean
Search Deals
One-way flight from Missouri to Caribbean
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Missouri to Caribbean.
Search Deals

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 January 29, 2026.
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

Mon 3/30

7:03 am-4:18 pm

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Sat 4/4

5:30 pm-11:58 pm

1 stop7h 28m

$246

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sun 5/3

6:00 am-4:23 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:30 am-5:44 pm

1 stop11h 14m

$246

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 5/5

1:02 pm-8:24 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Thu 5/7

6:15 am-12:54 pm

1 stop7h 39m

$246

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 3/11

11:32 am-3:28 pm

2 stops26h 56m

Saint Thomas Island Cyril E King

Tue 3/17

2:36 pm-7:37 am

1 stop18h 01m

$270

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Fri 5/1

2:25 pm-11:25 pm

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Sat 5/9

5:15 am-4:25 pm

1 stop12h 10m

$286

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 2/28

3:49 pm-2:31 pm

1 stop20h 42m

Saint Thomas Island Cyril E King

Fri 3/6

3:36 pm-11:19 pm

1 stop9h 43m

$291

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Mon 2/16

8:22 pm-4:34 pm

2 stops18h 12m

Saint Thomas Island Cyril E King

Sat 2/21

3:36 pm-11:59 pm

1 stop10h 23m

$292

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Fri 4/24

12:12 pm-3:34 pm

1 stop26h 22m

Saint Thomas Island Cyril E King

Wed 4/29

4:40 pm-11:07 am

1 stop19h 27m

$303

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 5/5

2:10 pm-11:40 pm

2 stops8h 30m

San Juan Luis Munoz Marin Intl

Tue 5/12

5:35 am-1:25 pm

2 stops8h 50m

$305

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 2/26

7:10 am-5:27 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:37 pm-11:36 pm

1 stop6h 59m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, February is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $128). Flying from Missouri to Caribbean in December is currently the most expensive (average of $225). 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 January 29, 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 8h. Delta provides one of the quickest options available for as low as $286. 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 $64 on Frontier. Other airlines that offer cheap prices include Delta from $108 and American Airlines 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, February is the cheapest month in which you can book a flight from Missouri to Caribbean (average of $128). Flying from Missouri to Caribbean in December is currently the most expensive (average of $225). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$401FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$319FlexibilityNo cancel feeOn-time65%
DeltaCheapest$154Average$592FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$219Average$741FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$225Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$613FlexibilityNo cancel feeOn-time71%

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