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Caribbean Islands

$85+ Cheap flights from Missouri to Caribbean Islands

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap flight deals from Missouri to Caribbean Islands

Keep the following information in mind while searching for Missouri to Caribbean Islands flight deals. Data was last updated enero 8, 2026.

Round-trip from

$203
(CheapOair)

One-way from

$85
(Priceline)

Popular in

December

Cheapest in

September

Average price

$445
From Missouri to Caribbean Islands
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One-way flight from Missouri to Caribbean Islands
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Highest demand for flights based on searches. 14% potential increase in price ($74 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 January 2026
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Find flight deals from Missouri to Caribbean Islands

Cheapest flights from Missouri to Caribbean Islands
Explore the most affordable flight options available from Missouri to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This CheapOair deal was found by Cheapflights users on 1/7. 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.
mar. 1/275:04 pmMCI - SJU
1 stop14h 43mSpirit Airlines
mar. 2/36:00 amSJU - MCI
1 stop12h 09mSpirit Airlines
Deal found 1/7$203
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
mié. 1/288:22 pmSTL - SJU
2 stops20h 36mMultiple Airlines
mié. 2/44:36 pmSJU - STL
1 stop8h 57mMultiple Airlines
Deal found 1/7$225
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mié. 2/189:37 amSTL - SJU
1 stop17h 47mAmerican Airlines
mar. 2/248:00 amSJU - STL
2 stops10h 58mAmerican Airlines
Deal found 1/6$226
This Priceline deal was found by Cheapflights users on 1/7. 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.
lun. 1/2610:16 amSTL - SJU
1 stop11h 43mFrontier
sáb. 1/314:36 pmSJU - STL
1 stop8h 57mFrontier
Deal found 1/7$227
This CheapOair deal was found by Cheapflights users on 1/7. 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.
mié. 1/215:42 pmSTL - SJU
1 stop28h 17mFrontier
lun. 1/268:00 amSJU - STL
1 stop17h 33mFrontier
Deal found 1/7$228
This CheapOair deal was found by Cheapflights users on 1/6. 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.
mié. 2/183:49 pmSTL - SJU
1 stop9h 04mFrontier
dom. 2/223:53 amSJU - STL
1 stop22h 06mFrontier
Deal found 1/6$230
This American Airlines deal was found by Cheapflights users on 1/6. 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.
mar. 2/35:48 amMCI - SJU
2 stops13h 02mAmerican Airlines
mié. 2/46:05 amSJU - MCI
1 stop11h 52mAmerican Airlines
Deal found 1/6$231
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 1/268:22 pmSTL - SJU
2 stops17h 13mMultiple Airlines
jue. 1/294:36 pmSJU - STL
1 stop8h 57mMultiple Airlines
Deal found 1/7$231
This CheapOair deal was found by Cheapflights users on 1/7. 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.
dom. 1/185:11 pmSTL - SJU
1 stop25h 18mFrontier
sáb. 1/248:00 amSJU - STL
1 stop17h 33mFrontier
Deal found 1/7$232
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
dom. 1/255:42 pmSTL - SJU
2 stops22h 08mFrontier
mié. 1/288:00 amSJU - STL
1 stop17h 33mFrontier
Deal found 1/6$233
This Delta deal was found by Cheapflights users on 1/6. 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.
lun. 2/97:00 amMCI - SJU
1 stop8h 17mDelta
mié. 2/116:27 pmSJU - MCI
1 stop7h 24mDelta
Deal found 1/6$236
This Priceline deal was found by Cheapflights users on 1/7. 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.
vie. 1/238:22 pmSTL - SJU
1 stop12h 17mFrontier
dom. 2/110:59 amSJU - STL
1 stop24h 22mFrontier
Deal found 1/7$236

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Caribbean Islands 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 enero 8, 2026.
Use the filters below to find and compare flights from Missouri to Caribbean Islands that are best for you.

Fly from

Missouri

Fly to

Caribbean Islands

Route

Depart

Return

Price

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

dom. 5/3

11:43 am-8:06 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

mié. 5/6

6:15 am-12:06 pm

1 stop6h 51m

$226

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

sáb. 5/2

7:45 am-8:38 pm

2 stops11h 53m

San Juan Luis Munoz Marin Intl

sáb. 5/9

7:20 am-4:26 pm

2 stops10h 06m

$226

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

vie. 2/6

5:00 am-11:59 pm

1 stop16h 59m

San Juan Luis Munoz Marin Intl

mar. 2/17

5:25 pm-11:43 pm

1 stop8h 18m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

lun. 2/23

1:23 pm-11:58 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

mié. 2/25

7:30 am-12:16 pm

1 stop6h 46m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

jue. 1/29

11:55 am-11:59 pm

2 stops10h 04m

San Juan Luis Munoz Marin Intl

sáb. 2/7

6:05 am-6:03 pm

1 stop13h 58m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

sáb. 2/21

1:00 pm-11:58 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

vie. 2/27

6:42 pm-11:40 pm

1 stop6h 58m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

vie. 1/30

7:00 am-10:26 pm

1 stop13h 26m

San Juan Luis Munoz Marin Intl

mar. 2/3

6:05 am-3:57 pm

1 stop11h 52m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

mar. 3/3

10:43 am-9:12 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

mar. 3/10

5:30 pm-12:13 am

1 stop7h 43m

$236

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

sáb. 2/21

1:00 pm-11:58 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

mar. 2/24

6:37 pm-11:40 pm

1 stop7h 03m

$236

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

jue. 2/5

5:42 pm-10:24 am

1 stop14h 42m

San Juan Luis Munoz Marin Intl

mar. 2/10

5:25 pm-10:27 pm

1 stop7h 02m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Islands

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

Currently, February is the cheapest month in which you can book a flight from Missouri to Caribbean Islands (average of $128). Flying from Missouri to Caribbean Islands 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 EPX?

Find hourly flight availability from Missouri to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 8, 2026.

When flying from Missouri to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Caribbean Islands. 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 Islands?

    Delta, United Airlines, and American Airlines can get you from Missouri to Caribbean Islands in just under 7h 23m. Your travel time can differ by up to 9h 36m. There are 2024 mi between Missouri and Caribbean Islands. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Missouri to Caribbean Islands 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 Islands that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Caribbean Islands 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 Islands?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Caribbean Islands (average of $128). Flying from Missouri to Caribbean Islands 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

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Top 6 airlines flying from Missouri to Caribbean Islands

Discover the top 6 airlines that operate flights from Missouri to Caribbean Islands. 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$413FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$322FlexibilityNo cancel feeOn-time65%
DeltaCheapest$205Average$608FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$219Average$739FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$225Average$586FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$622FlexibilityNo cancel feeOn-time71%

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