St. Louis

$108+ Cheap flights from Caribbean Islands to St. Louis (STL)

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
oct. 31 — nov. 71
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Cheap flight deals from Caribbean Islands to St. Louis

Keep the following information in mind while searching for Caribbean Islands to St. Louis flight deals. Data was last updated octubre 1, 2025.

Round-trip from

$225
(American Airlines)

One-way from

$108
(Southwest)
From Caribbean Islands to Lambert-St Louis
One-way flight from Caribbean Islands to Lambert-St Louis

Find flight deals from Caribbean Islands to St. Louis

Cheapest flights from Caribbean Islands to St. Louis
Explore the most affordable flight options available from Caribbean Islands to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 1, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:35 pmSJU - STL
2 stops11h 23mAmerican Airlines
dom. 10/266:00 amSTL - SJU
1 stop16h 59mAmerican Airlines
Deal found 10/1$225
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.
mié. 10/297:45 amSJU - STL
2 stops11h 35mAmerican Airlines
lun. 11/36:00 amSTL - SJU
1 stop15h 52mAmerican Airlines
Deal found 9/30$229
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/223:40 amSJU - STL
1 stop10h 06mFrontier
dom. 10/261:41 pmSTL - SJU
1 stop22h 21mFrontier
Deal found 10/1$276
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.
jue. 11/201:57 pmSJU - STL
1 stop12h 00mFrontier
lun. 11/244:13 pmSTL - SJU
1 stop8h 41mFrontier
Deal found 9/30$278
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/233:59 amSJU - STL
1 stop21h 58mFrontier
vie. 11/284:13 pmSTL - SJU
1 stop18h 34mFrontier
Deal found 10/1$281
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/122:05 pmSJU - STL
2 stops10h 05mSouthwest
dom. 11/167:50 amSTL - SJU
1 stop12h 10mSouthwest
Deal found 9/30$294
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/248:35 pmSJU - STL
1 stop17h 56mAmerican Airlines
lun. 12/296:00 pmSTL - SJU
1 stop13h 36mAmerican Airlines
Deal found 9/29$298
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:00 amSJU - STL
2 stops10h 53mAmerican Airlines
dom. 11/1610:44 amSTL - SJU
1 stop11h 08mAmerican Airlines
Deal found 9/29$301
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/112:05 amSJU - STL
1 stop10h 47mUnited Airlines
dom. 11/166:30 amSTL - SJU
1 stop7h 10mUnited Airlines
Deal found 9/30$315
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.
jue. 11/63:59 amSJU - STL
1 stop7h 41mFrontier
dom. 11/911:23 amSTL - SJU
2 stops13h 31mFrontier
Deal found 9/30$331
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.
jue. 11/62:35 pmNAS - STL
1 stop8h 47mUnited Airlines
lun. 11/108:20 amSTL - NAS
1 stop28h 13mUnited Airlines
Deal found 9/29$348
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/275:30 amSJU - STL
1 stop15h 50mAmerican Airlines
jue. 10/306:00 amSTL - SJU
1 stop16h 59mAmerican Airlines
Deal found 10/1$355

Cheapflights Fare Finder

 
Customize your flight search to find flights from Caribbean Islands to St. Louis 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 octubre 1, 2025.
Use the filters below to find and compare flights from Caribbean Islands to St. Louis that are best for you.

Fly from

Caribbean Islands

Fly to

St. Louis

Route

Depart

Return

Price

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mié. 10/22

1:05 am-10:49 am

2 stops10h 44m

Lambert-St Louis

dom. 10/26

6:30 am-2:40 pm

1 stop7h 10m

$225

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 10/23

11:56 am-11:56 pm

1 stop13h 00m

Lambert-St Louis

dom. 10/26

7:54 pm-2:08 pm

1 stop17h 14m

$225

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

vie. 10/24

3:00 pm-11:54 pm

1 stop9h 54m

Lambert-St Louis

dom. 10/26

5:30 am-11:54 pm

1 stop17h 24m

$229

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mié. 10/29

7:45 am-6:20 pm

2 stops11h 35m

Lambert-St Louis

lun. 11/3

6:00 am-11:52 pm

1 stop15h 52m

$229

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

vie. 11/14

6:00 am-2:53 pm

2 stops10h 53m

Lambert-St Louis

dom. 11/16

10:44 am-11:52 pm

1 stop11h 08m

$301

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mar. 11/11

2:05 am-2:24 pm

2 stops14h 19m

Lambert-St Louis

dom. 11/16

6:30 am-3:40 pm

1 stop7h 10m

$315

NassauSt. Louis

NAS - STL

NASSTL

Nassau Intl

jue. 11/6

2:35 pm-10:22 pm

1 stop8h 47m

Lambert-St Louis

lun. 11/10

11:05 am-1:33 pm

2 stops25h 28m

$348

NassauSt. Louis

NAS - STL

NASSTL

Nassau Intl

lun. 10/20

2:27 pm-11:58 pm

1 stop10h 31m

Lambert-St Louis

jue. 10/30

6:08 pm-10:05 am

1 stop14h 57m

$433

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

mar. 10/14

11:01 am-12:00 pm

3 stops25h 59m

Lambert-St Louis

sáb. 10/18

7:15 pm-9:56 am

1 stop13h 41m

$518

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

sáb. 2/28

1:30 am-9:23 am

1 stop9h 53m

Lambert-St Louis

mar. 3/3

10:10 am-12:23 am

1 stop12h 13m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 46 results
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Best time to book a flight from Caribbean Islands to St. Louis

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

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

Currently, August is the cheapest month in which you can book a flight from Caribbean Islands to St. Louis (average of $311). Flying from Caribbean Islands to St. Louis in March is currently the most expensive (average of $356). 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 EPX to STL?

Find hourly flight availability from Caribbean Islands to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 1, 2025.

When flying from Caribbean Islands to St. Louis, 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 St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated octubre 1, 2025.
See what other customers who have flown with Delta and American Airlines from Caribbean Islands to St. Louis have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Caribbean Islands to St. Louis. 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 into for flights to St. Louis from 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 St. Louis from Caribbean Islands.

  • How long is the flight from Caribbean Islands to St. Louis?

    Airlines like United Airlines and American Airlines fly from Caribbean Islands to St. Louis in about 10h 44m. The time it takes to get you to your destination can typically vary by up to 2h 16m. There are 2024 mi between Caribbean Islands and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $108. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Caribbean Islands to St. Louis for a low price.

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

  • What are the cheapest flights from Caribbean Islands to St. Louis?

    Looking for the cheapest flight from Caribbean Islands to St. Louis? While on average our users pay $273, our data indicates the cheapest price to be $108. The most popular route (San Juan Luis Munoz Marin Intl - Lambert-St Louis), is priced around $225.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Caribbean Islands to St. Louis (average of $311). Flying from Caribbean Islands to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Caribbean Islands to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Caribbean Islands to St. Louis

Discover the top 5 airlines that operate flights from Caribbean Islands to St. Louis. 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 octubre 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$212Average$449FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$512FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$255Average$462FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$609FlexibilityNo cancel feeOn-time63%

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