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Caribbean Islands

$113+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
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 October 2, 2025.

Round-trip from

$225
(Delta)

One-way from

$113
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$386
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. 10% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 2, 2025.

This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:05 amSTL - SJU
1 stop7h 55mUnited Airlines
Tue 11/48:10 amSJU - STL
1 stop9h 37mUnited Airlines
Deal found 9/29$225
This Delta deal was found by Cheapflights users on 10/2. 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.
Wed 10/291:37 pmMCI - SJU
1 stop7h 22mDelta
Wed 11/57:15 amSJU - MCI
1 stop11h 29mDelta
Deal found 10/2$235
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:53 amMCI - SJU
2 stops12h 55mAmerican Airlines
Thu 12/42:36 pmSJU - MCI
2 stops11h 27mAmerican Airlines
Deal found 9/30$240
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:12 pmSTL - SJU
1 stop6h 12mFrontier
Thu 11/63:59 amSJU - STL
1 stop7h 41mFrontier
Deal found 10/1$272
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amMCI - SJU
1 stop7h 40mAmerican Airlines
Wed 11/52:47 pmSJU - MCI
2 stops10h 57mAmerican Airlines
Deal found 9/30$275
This Frontier deal was found by Cheapflights users on 9/30. 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 11/84:33 pmSTL - SJU
1 stop8h 21mFrontier
Sun 11/1610:39 pmSJU - STL
1 stop13h 01mFrontier
Deal found 9/30$276
This Frontier deal was found by Cheapflights users on 10/1. 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 Frontier 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 10/1$278
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:15 amMCI - STT
1 stop7h 20mSpirit Airlines
Thu 10/302:40 pmSTT - MCI
1 stop8h 19mSpirit Airlines
Deal found 9/30$280
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 10/306:15 amMCI - SJU
1 stop14h 55mAmerican Airlines
Sun 11/28:00 amSJU - MCI
1 stop18h 02mAmerican Airlines
Deal found 10/2$281
This Frontier deal was found by Cheapflights users on 9/30. 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.
Thu 11/273:14 pmSTL - SJU
1 stop7h 52mFrontier
Thu 12/43:55 amSJU - STL
1 stop6h 50mFrontier
Deal found 9/30$281
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:55 amMCI - SJU
1 stop9h 04mDelta
Sat 11/84:30 pmSJU - MCI
1 stop8h 31mDelta
Deal found 10/1$285
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:56 pmSTL - SJU
2 stops37h 49mFrontier
Thu 11/134:31 pmSJU - STL
1 stop25h 30mFrontier
Deal found 10/1$289

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 October 2, 2025.
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

Sat 11/1

6:00 am-2:11 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Wed 11/12

1:57 pm-9:58 pm

1 stop10h 01m

$225

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/29

1:35 pm-11:59 pm

1 stop9h 24m

San Juan Luis Munoz Marin Intl

Wed 11/5

2:47 pm-11:44 pm

2 stops10h 57m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 10/25

11:33 am-11:57 pm

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Thu 10/30

7:10 am-2:21 pm

1 stop8h 11m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/29

1:37 pm-9:59 pm

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:15 am-4:44 pm

1 stop11h 29m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 11/18

12:18 pm-11:13 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Sat 12/6

1:55 pm-11:55 pm

1 stop12h 00m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Tue 11/18

10:23 am-11:13 pm

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Thu 12/4

6:38 pm-11:55 pm

1 stop7h 17m

$235

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Sat 10/25

5:55 am-4:33 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Thu 10/30

2:31 pm-11:51 pm

1 stop10h 20m

$235

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Sun 10/26

5:15 am-1:35 pm

1 stop7h 20m

Saint Thomas Island Cyril E King

Thu 10/30

2:40 pm-9:59 pm

1 stop8h 19m

$280

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 11/17

5:50 am-2:17 pm

1 stop6h 27m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:38 pm-11:55 pm

1 stop7h 17m

$285

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 10/31

11:55 am-9:59 pm

1 stop9h 04m

San Juan Luis Munoz Marin Intl

Sat 11/8

4:30 pm-11:01 pm

1 stop8h 31m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

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, September is the cheapest month in which you can book a flight from Missouri to Caribbean Islands (average of $254). Flying from Missouri to Caribbean Islands 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 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 October 2, 2025.

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, American Airlines, and United Airlines can get you from Missouri to Caribbean Islands in just under 7h 11m. Your travel time can differ by up to 4h 13m. 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 $113 on American Airlines. Other airlines that offer cheap prices include United Airlines from $113 and Southwest from $113 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, September is the cheapest month in which you can book a flight from Missouri to Caribbean Islands (average of $254). Flying from Missouri to Caribbean Islands 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

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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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$394FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$352FlexibilityNo cancel feeOn-time65%
DeltaCheapest$208Average$604FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$585FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$219Average$738FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$649FlexibilityNo cancel feeOn-time71%

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