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Caribbean Islands

$100+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 April 4, 2025.

Round-trip from

$205
(Southwest)

One-way from

$100
(Southwest)

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. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 4, 2025.

This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/31:25 pmSTL - SJU
Nonstop4h 25mSouthwest
Sat 5/103:20 pmSJU - STL
1 stop7h 40mSouthwest
Deal found 4/3$205
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/268:00 amSTL - SJU
2 stops11h 38mUnited Airlines
Wed 4/307:45 amSJU - STL
1 stop9h 02mUnited Airlines
Deal found 4/3$219
This Cheapflightsfares deal was found by Cheapflights users on 4/4. 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 5/125:46 amMCI - STT
1 stop6h 50mSpirit Airlines
Sat 5/171:21 pmSTT - MCI
1 stop9h 09mSpirit Airlines
Deal found 4/4$244
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:55 pmMCI - SJU
1 stop6h 13mDelta
Wed 10/85:30 pmSJU - MCI
1 stop7h 27mDelta
Deal found 4/3$265
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:59 pmMCI - SJU
2 stops29h 40mSpirit Airlines
Fri 5/91:39 pmSJU - MCI
2 stops21h 52mSpirit Airlines
Deal found 4/2$266
This American Airlines deal was found by Cheapflights users on 4/4. 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 9/265:12 amMCI - SJU
1 stop6h 33mAmerican Airlines
Mon 9/298:30 amSJU - MCI
1 stop15h 57mAmerican Airlines
Deal found 4/4$283
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/35:27 pmSTL - SJU
1 stop10h 33mAmerican Airlines
Wed 5/73:50 pmSJU - STL
2 stops9h 01mAmerican Airlines
Deal found 4/3$286
This Mytrip deal was found by Cheapflights users on 4/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/215:46 amMCI - STT
1 stop6h 50mMultiple Airlines
Thu 5/2910:52 amSTT - MCI
2 stops24h 56mMultiple Airlines
Deal found 4/4$288
This CheapOair deal was found by Cheapflights users on 4/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:45 pmSTL - SJU
1 stop18h 44mFrontier
Fri 5/93:56 amSJU - STL
1 stop21h 10mFrontier
Deal found 4/3$298
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/103:43 pmSTL - SJU
1 stop6h 08mDelta
Thu 6/197:30 amSJU - STL
1 stop8h 08mDelta
Deal found 4/3$313
This Mytrip deal was found by Cheapflights users on 4/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:10 amSTL - SJU
1 stop7h 57mMultiple Airlines
Sat 5/173:56 amSJU - STL
1 stop21h 10mMultiple Airlines
Deal found 4/4$315
This Mytrip deal was found by Cheapflights users on 4/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:10 pmSTL - SJU
2 stops28h 29mSpirit Airlines
Sat 5/108:12 pmSJU - STL
1 stop14h 03mSpirit Airlines
Deal found 4/3$328

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 April 4, 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 5/3

1:25 pm-6:50 pm

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Sat 5/10

3:20 pm-10:00 pm

1 stop7h 40m

$205

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 4/26

8:00 am-8:38 pm

2 stops11h 38m

San Juan Luis Munoz Marin Intl

Wed 4/30

7:45 am-3:47 pm

1 stop9h 02m

$219

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Mon 5/12

5:46 am-1:36 pm

1 stop6h 50m

Saint Thomas Island Cyril E King

Sat 5/17

1:21 pm-9:30 pm

1 stop9h 09m

$244

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Wed 10/1

2:55 pm-10:08 pm

1 stop6h 13m

San Juan Luis Munoz Marin Intl

Wed 10/8

5:30 pm-11:57 pm

1 stop7h 27m

$265

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 5/2

4:59 pm-11:39 pm

2 stops29h 40m

San Juan Luis Munoz Marin Intl

Fri 5/9

1:39 pm-10:31 am

2 stops21h 52m

$266

Kansas CitySan Juan

MCI - SJU

MCISJU

Kansas City

Fri 9/26

5:12 am-12:45 pm

1 stop6h 33m

San Juan Luis Munoz Marin Intl

Mon 9/29

8:30 am-11:27 pm

1 stop15h 57m

$283

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/3

5:27 pm-5:00 am

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Wed 5/7

3:50 pm-11:51 pm

2 stops9h 01m

$286

Kansas CitySaint Thomas Island

MCI - STT

MCISTT

Kansas City

Wed 5/21

5:46 am-1:36 pm

1 stop6h 50m

Saint Thomas Island Cyril E King

Thu 5/29

10:52 am-10:48 am

2 stops24h 56m

$288

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/3

5:45 pm-1:29 pm

1 stop18h 44m

San Juan Luis Munoz Marin Intl

Fri 5/9

3:56 am-12:06 am

1 stop21h 10m

$298

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 6/10

3:43 pm-10:51 pm

1 stop6h 08m

San Juan Luis Munoz Marin Intl

Thu 6/19

7:30 am-2:38 pm

1 stop8h 08m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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 December is currently the most expensive (average of $336). 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 April 4, 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.

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean Islands when rainfall is around 2.2 in.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Missouri to Caribbean Islands to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,839 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,900 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,404 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
LATAM Airlines
7.5
Good
1,753 reviews
Alaska Airlines
8.0
Very good
9,839 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $100 on Southwest. Other airlines that offer cheap prices include American Airlines from $105 and United Airlines from $115 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 December is currently the most expensive (average of $336). 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.

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Alternative routes for Missouri to Caribbean Islands

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 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$419FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$166Average$396FlexibilityNo cancel feeOn-time65%
DeltaCheapest$246Average$594FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$626FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$645FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$386Average$765FlexibilityNo cancel feeOn-time63%

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