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St. Louis

$58+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Frontier deal was found by Cheapflights users on 12/17. 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 12/205:09 pmSJU - STL
1 stop7h 24mFrontier
Mon 12/2910:40 amSTL - SJU
1 stop7h 47mFrontier
Deal found 12/17$325
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:33 amSJU - STL
1 stop14h 00mFrontier
Sun 12/284:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/16$364
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:33 amSJU - STL
1 stop14h 00mFrontier
Sun 12/2110:57 amSTL - SJU
1 stop12h 40mFrontier
Deal found 12/16$374
This FlightHub deal was found by Cheapflights users on 12/15. 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 12/229:10 pmNAS - STL
1 stop19h 19mAir Canada
Fri 1/24:05 pmSTL - NAS
1 stop19h 50mAir Canada
Deal found 12/15$379
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/221:05 pmNAS - STL
1 stop7h 17mUnited Airlines
Fri 1/28:05 amSTL - NAS
1 stop6h 17mUnited Airlines
Deal found 12/16$401
This Priceline deal was found by Cheapflights users on 12/16. 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.
Sun 12/213:55 amSJU - STL
1 stop7h 50mFrontier
Sun 12/284:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/16$403
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/227:45 amNAS - STL
2 stops10h 25mAmerican Airlines
Fri 1/26:02 amSTL - NAS
2 stops9h 11mAmerican Airlines
Deal found 12/14$454
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:59 amSJU - STL
2 stops9h 57mMultiple Airlines
Sun 12/284:27 pmSTL - SJU
1 stop8h 23mMultiple Airlines
Deal found 12/17$492
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:36 pmSTT - STL
2 stops20h 38mAmerican Airlines
Sun 1/49:28 pmSTL - STT
2 stops13h 12mAmerican Airlines
Deal found 12/16$502
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/263:05 pmSTT - STL
1 stop8h 38mUnited Airlines
Tue 12/306:30 amSTL - STT
2 stops9h 12mUnited Airlines
Deal found 12/17$535
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Mon 12/2212:53 pmSJU - STL
2 stops22h 47mMultiple Airlines
Sun 12/2810:57 amSTL - SJU
1 stop12h 40mMultiple Airlines
Deal found 12/16$554
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/208:25 amSJU - STL
2 stops10h 21mAmerican Airlines
Mon 12/294:53 pmSTL - SJU
1 stop10h 07mAmerican Airlines
Deal found 12/16$630

Find 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 December 18, 2025.

Round-trip from

$180
(Frontier)

One-way from

$58
(Mytrip)
From Caribbean Islands to Lambert-St Louis
Search Deals
One-way flight from Caribbean Islands to Lambert-St Louis
Search Deals

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 December 18, 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

Thu 2/5

4:36 pm-11:33 pm

1 stop8h 57m

Lambert-St Louis

Mon 2/9

10:16 am-11:59 pm

1 stop11h 43m

$180

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/15

9:04 pm-7:54 am

1 stop12h 50m

Lambert-St Louis

Mon 1/19

12:47 pm-2:30 am

1 stop11h 43m

$199

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Mon 2/2

8:00 am-11:33 pm

1 stop17h 33m

Lambert-St Louis

Fri 2/6

5:42 pm-3:26 pm

1 stop19h 44m

$215

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-10:34 pm

1 stop18h 34m

Lambert-St Louis

Mon 1/19

8:32 pm-3:35 pm

2 stops17h 03m

$218

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-2:47 pm

2 stops10h 47m

Lambert-St Louis

Mon 1/19

6:00 am-5:03 pm

2 stops9h 03m

$230

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-10:34 pm

2 stops18h 34m

Lambert-St Louis

Sun 1/18

5:11 pm-3:03 am

1 stop7h 52m

$230

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/22

1:58 pm-11:12 pm

1 stop11h 14m

Lambert-St Louis

Sun 1/25

6:00 am-9:39 pm

1 stop13h 39m

$230

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 1/8

7:04 pm-7:21 pm

1 stop26h 17m

Lambert-St Louis

Mon 1/12

8:50 am-5:09 pm

1 stop6h 19m

$231

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 2/19

4:25 pm-6:51 am

2 stops40h 26m

Lambert-St Louis

Mon 2/23

1:54 pm-12:57 pm

2 stops21h 03m

$238

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Fri 1/16

3:57 pm-10:34 pm

1 stop8h 37m

Lambert-St Louis

Wed 1/21

8:22 pm-4:37 pm

2 stops18h 15m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 48 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, June is the cheapest month in which you can book a flight from Caribbean Islands to St. Louis (average of $125). Flying from Caribbean Islands to St. Louis in August is currently the most expensive (average of $253). 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 December 18, 2025.

It’s typically best to fly out from Caribbean Islands to St. Louis in the evening. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Caribbean Islands to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Caribbean Islands to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Caribbean Islands to St. Louis flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
See what other customers who have flown with United Airlines 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.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 Frontier, United Airlines, and American Airlines fly from Caribbean Islands to St. Louis in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 11h 46m. There are 1209 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 Frontier, with whom users have recently found tickets for as low as $83. However, be on the lookout for offers from Delta and Southwest, 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?

    The most popular flight routes from Caribbean Islands to St. Louis are San Juan Luis Munoz Marin Intl - Lambert-St Louis, Nassau Intl - Lambert-St Louis and Port of Spain Piarco Intl - Lambert-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 $253, our data indicates the cheapest price to be $253. The most popular route (San Juan Luis Munoz Marin Intl - Lambert-St Louis), is priced around $203.

  • 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, June is the cheapest month in which you can book a flight from Caribbean Islands to St. Louis (average of $125). Flying from Caribbean Islands to St. Louis in August is currently the most expensive (average of $253). 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
Swansea
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.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$205Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$225Average$356FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$225Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$595FlexibilityNo cancel feeOn-time63%

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