HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean Islands

$110+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Caribbean Islands with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$219
(Delta)

One-way from

$110
(Southwest)

Popular in

December

Cheapest in

September

Average price

$475
From Missouri to Caribbean Islands
Search Deals
One-way flight from Missouri to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 10/48:50 amSTL - SJU
2 stops13h 47mAmerican Airlines
Tue 10/73:00 pmSJU - STL
1 stop9h 54mAmerican Airlines
Deal found 7/3$219
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 10/67:43 pmSGF - SJU
1 stop17h 42mAmerican Airlines
Wed 10/157:00 amSJU - SGF
2 stops13h 07mAmerican Airlines
Deal found 7/3$225
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:44 amSTL - SJU
1 stop7h 02mMultiple Airlines
Thu 10/233:40 amSJU - STL
1 stop10h 37mMultiple Airlines
Deal found 7/2$239
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 amSTL - SJU
2 stops9h 52mUnited Airlines
Mon 11/38:10 amSJU - STL
1 stop9h 19mUnited Airlines
Deal found 7/1$245
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Mon 8/186:00 amMCI - STT
1 stop6h 48mSpirit Airlines
Mon 8/254:24 pmSTT - MCI
1 stop7h 29mSpirit Airlines
Deal found 7/1$262
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:40 pmSTL - SJU
1 stop7h 59mFrontier
Fri 7/185:00 pmSJU - STL
1 stop7h 47mFrontier
Deal found 7/1$268
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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.
Sat 7/2610:23 amSTL - PUJ
Nonstop4h 35mFrontier
Wed 7/301:49 pmPUJ - STL
Nonstop4h 41mFrontier
Deal found 7/3$273
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2810:47 amSTL - SJU
1 stop23h 45mSpirit Airlines
Wed 7/301:37 amSJU - STL
1 stop9h 15mSpirit Airlines
Deal found 7/2$280
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/263:34 pmSTL - STT
1 stop17h 14mSpirit Airlines
Fri 8/14:05 pmSTT - STL
1 stop18h 35mSpirit Airlines
Deal found 7/1$290
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 8/115:50 amMCI - SJU
1 stop6h 40mDelta
Sat 8/162:20 pmSJU - MCI
1 stop7h 45mDelta
Deal found 7/1$295
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amMCI - SJU
1 stop16h 57mSpirit Airlines
Sun 9/712:29 pmSJU - MCI
1 stop22h 29mSpirit Airlines
Deal found 7/2$305
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:44 amMCI - SJU
2 stops11h 26mAmerican Airlines
Tue 7/226:15 amSJU - MCI
1 stop11h 44mAmerican Airlines
Deal found 7/1$315

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 July 3, 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

Sun 9/21

6:04 am-4:31 pm

1 stop9h 27m

San Juan Luis Munoz Marin Intl

Sat 9/27

2:15 pm-9:50 pm

1 stop8h 35m

$219

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 9/20

6:35 am-2:44 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Tue 9/23

1:05 am-2:19 pm

2 stops14h 14m

$248

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Mon 8/18

6:00 am-1:48 pm

1 stop6h 48m

Saint Thomas Island Cyril E King

Mon 8/25

4:24 pm-10:53 pm

1 stop7h 29m

$262

SpringfieldSan Juan

SGF - SJU

SGFSJU

Springfield-Branson

Sat 9/20

9:08 am-11:37 pm

2 stops13h 29m

San Juan Luis Munoz Marin Intl

Wed 9/24

4:43 pm-9:39 am

2 stops17h 56m

$265

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 7/17

5:40 pm-9:04 am

1 stop14h 24m

San Juan Luis Munoz Marin Intl

Thu 7/24

11:59 pm-9:52 am

2 stops10h 53m

$266

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 7/14

5:40 pm-2:39 am

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Fri 7/18

5:00 pm-11:47 pm

1 stop7h 47m

$268

St. LouisPunta Cana

STL - PUJ

STLPUJ

Lambert-St Louis

Sat 7/26

10:23 am-3:58 pm

Nonstop4h 35m

Punta Cana

Wed 7/30

1:49 pm-5:30 pm

Nonstop4h 41m

$273

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 7/28

10:47 am-11:32 am

1 stop23h 45m

San Juan Luis Munoz Marin Intl

Wed 7/30

1:37 am-9:52 am

1 stop9h 15m

$280

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Sat 7/26

3:34 pm-9:48 am

1 stop17h 14m

Saint Thomas Island Cyril E King

Fri 8/1

4:05 pm-9:40 am

1 stop18h 35m

$290

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Mon 8/11

5:50 am-1:30 pm

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Sat 8/16

2:20 pm-9:05 pm

1 stop7h 45m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 60 results
1
2
3
...
6

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 July 3, 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.

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean Islands. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Missouri to Caribbean Islands. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Air Canada
7.1
Good
9,681 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $110 on Southwest. Other airlines that offer cheap prices include American Airlines from $116 and Spirit Airlines from $121 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

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 Islands

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
Los Angeles to Seattle flights
John F Kennedy Intl to Los Angeles flights
Los Angeles to Newark flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Los Angeles flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Cancún flights
Dallas/Fort Worth to O'Hare Intl flights
Los Angeles to Honolulu flights
LaGuardia to Fort Lauderdale flights
Dallas/Fort Worth to Los Angeles flights
Newark to Fort Lauderdale flights
Newark to Cancún flights
Dallas/Fort Worth to Cancún flights
Atlanta to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to San Francisco flights
John F Kennedy Intl to Orlando flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to Las Vegas flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
San Francisco to Las Vegas flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to Atlanta flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Seattle flights
John F Kennedy Intl to San Francisco flights
San Francisco to Los Angeles flights
Newark to Miami flights
LaGuardia to Miami flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Ontario to Seattle flights
George Bush Intcntl to Cancún flights
O'Hare Intl to Cancún flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to Newark flights
John F Kennedy Intl to Mexico City flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$388FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$155Average$430FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$219Average$624FlexibilityNo cancel feeOn-time69%
DeltaCheapest$222Average$591FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$255Average$655FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$323Average$747FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.