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Caribbean Islands

$63+ Cheap flights from St. Louis (STL) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SJU
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from St. Louis to Caribbean Islands

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Caribbean Islands (zzEPX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from St. Louis to Caribbean Islands

Cheapest flights from St. Louis to Caribbean Islands
Explore the most affordable flight options available from St. Louis to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/21. 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.
Sun 12/84:26 pmSTL - SJU
1 stop25h 56mMultiple Airlines
Sun 12/159:49 pmSJU - STL
1 stop12h 26mMultiple Airlines
Deal found 11/21$265
This Frontier deal was found by Cheapflights users on 11/21. 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 12/125:02 pmSTL - SJU
1 stop7h 38mFrontier
Mon 12/163:03 pmSJU - STL
1 stop10h 30mFrontier
Deal found 11/21$278
This Delta deal was found by Cheapflights users on 11/21. 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 12/1610:28 amSTL - SJU
1 stop10h 55mDelta
Sun 12/296:30 amSJU - STL
1 stop11h 42mDelta
Deal found 11/21$284
This Mytrip deal was found by Cheapflights users on 11/21. 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.
Thu 12/124:26 pmSTL - SJU
2 stops17h 06mSpirit Airlines
Mon 12/168:31 pmSJU - STL
2 stops20h 50mSpirit Airlines
Deal found 11/21$305
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Tue 12/244:27 pmSTL - STX
1 stop22h 32mSpirit Airlines
Mon 12/305:54 pmSTX - STL
1 stop23h 27mSpirit Airlines
Deal found 11/19$317
This FlightHub deal was found by Cheapflights users on 11/21. 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 12/144:26 pmSTL - MBJ
1 stop20h 07mSpirit Airlines
Wed 12/182:45 pmMBJ - STL
2 stops25h 36mSpirit Airlines
Deal found 11/21$366
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/86:02 pmSTL - SJU
1 stop15h 48mAmerican Airlines
Thu 12/124:40 pmSJU - STL
2 stops9h 19mAmerican Airlines
Deal found 11/20$379
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Thu 12/55:02 pmSTL - PUJ
2 stops18h 13mMultiple Airlines
Sat 12/144:43 pmPUJ - STL
1 stop24h 38mMultiple Airlines
Deal found 11/21$413
This CheapOair deal was found by Cheapflights users on 11/21. 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.
Fri 12/63:34 pmSTL - PUJ
2 stops17h 07mFrontier
Mon 12/92:30 pmPUJ - STL
2 stops34h 54mFrontier
Deal found 11/21$420
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sat 12/144:13 pmSTL - MBJ
2 stops20h 20mMultiple Airlines
Sat 12/282:38 pmMBJ - STL
1 stop25h 43mMultiple Airlines
Deal found 11/20$425
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Thu 12/54:26 pmSTL - PUJ
1 stop21h 22mSpirit Airlines
Sat 12/144:43 pmPUJ - STL
1 stop24h 38mSpirit Airlines
Deal found 11/21$425
This CheapOair deal was found by Cheapflights users on 11/21. 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.
Thu 11/285:21 pmSTL - STT
1 stop15h 27mSpirit Airlines
Tue 12/311:43 amSTT - STL
1 stop6h 43mSpirit Airlines
Deal found 11/21$437

Find flights from St. Louis to Caribbean Islands within your budget

Customize your flight search to find flights from St. Louis 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 2/10

5:05 pm-11:30 am

1 stop16h 25m

San Juan Luis Munoz Marin Intl

Sat 2/22

6:05 pm-7:07 am

2 stops15h 02m

$263

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 1/23

12:52 pm-11:45 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Sat 1/25

3:30 pm-11:37 pm

1 stop10h 07m

$264

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Wed 1/8

5:05 pm-9:53 am

1 stop14h 48m

San Juan Luis Munoz Marin Intl

Tue 1/14

12:12 pm-11:27 pm

1 stop13h 15m

$267

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 1/7

4:27 pm-8:22 pm

1 stop25h 55m

San Juan Luis Munoz Marin Intl

Wed 1/15

8:43 pm-2:43 pm

1 stop20h 00m

$289

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 1/14

10:54 am-12:04 am

2 stops11h 10m

San Juan Luis Munoz Marin Intl

Sat 1/18

8:05 am-7:23 pm

1 stop13h 18m

$303

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 12/24

4:27 pm-4:59 pm

1 stop22h 32m

Christiansted Henry Rohlsen

Mon 12/30

5:54 pm-3:21 pm

1 stop23h 27m

$317

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Thu 1/16

3:48 pm-10:51 am

1 stop17h 03m

Saint Thomas Island Cyril E King

Wed 1/22

11:46 am-2:43 pm

1 stop28h 57m

$322

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Wed 1/8

1:02 pm-12:36 am

2 stops9h 34m

San Juan Luis Munoz Marin Intl

Mon 1/13

2:05 am-12:16 pm

2 stops12h 11m

$338

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 1/14

1:00 pm-12:40 am

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Sat 1/18

12:40 pm-3:45 pm

Nonstop5h 05m

$365

St. LouisMontego Bay

STL - MBJ

STLMBJ

Lambert-St Louis

Sat 12/14

4:26 pm-1:33 pm

1 stop20h 07m

Montego Bay Sangster Intl

Wed 12/18

2:45 pm-3:21 pm

2 stops25h 36m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 57 results
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Best time to book a flight from St. Louis to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from St. Louis 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.

Travel insights for flights from St. Louis to Caribbean Islands

Get recent, data-driven insights about flights from St. Louis to Caribbean Islands including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Caribbean Islands?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Caribbean Islands (average of $254). Flying from St. Louis to Caribbean Islands in March is currently the most expensive (average of $335). 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 STL to EPX?

Find hourly flight availability from St. Louis 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 November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Caribbean Islands as you normally would.

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 November 21, 2024.
Read reviews from past customers who have flown Frontier, American Airlines and Southwest from St. Louis to Caribbean Islands. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 airport do you fly from for flights from St. Louis to Caribbean Islands?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Caribbean Islands from St. Louis.

  • What are the cheapest airlines to fly from St. Louis to Caribbean Islands one-way?

    $69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Spirit Airlines, with prices starting from $132 and $143, respectively.

  • What are the most popular routes from St. Louis to Caribbean Islands?

    The most popular route from St. Louis to Caribbean Islands is Lambert-St Louis - San Juan Luis Munoz Marin Intl. You may also consider Lambert-St Louis - Punta Cana or Lambert-St Louis - Montego Bay Sangster Intl.

  • Can I find deals for flights from St. Louis to Caribbean Islands that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Caribbean Islands?

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

  • Can I find deals for business class flights from St. Louis to Caribbean Islands?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Caribbean Islands (average of $254). Flying from St. Louis to Caribbean Islands in March is currently the most expensive (average of $335). 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 St. Louis 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 St. Louis to Caribbean Islands

Discover the top 6 airlines that operate flights from St. Louis 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$164Average$354FlexibilityNo cancel feeOn-time65%
FrontierCheapest$168Average$443FlexibilityNo cancel feeOn-time62%
DeltaCheapest$262Average$568FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$607FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$603FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$374Average$670FlexibilityNo cancel feeOn-time63%
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