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$78+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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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 March 3, 2025.

Round-trip from

$236
(Mytrip)

One-way from

$78
(eDestinos)
From Caribbean Islands to Lambert-St Louis
Search Deals
One-way flight from Caribbean Islands to Lambert-St Louis
Search Deals

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 March 3, 2025.

This Mytrip deal was found by Cheapflights users on 3/2. 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.
Tue 4/19:35 pmSJU - STL
1 stop27h 11mFrontier
Tue 4/84:57 pmSTL - SJU
1 stop27h 41mFrontier
Deal found 3/2$236
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/1911:50 amSJU - STL
1 stop11h 29mAmerican Airlines
Sat 4/265:00 amSTL - SJU
1 stop14h 28mAmerican Airlines
Deal found 3/1$286
This Mytrip deal was found by Cheapflights users on 3/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:38 pmSJU - STL
1 stop23h 37mMultiple Airlines
Sat 4/269:50 amSTL - SJU
3 stops30h 43mMultiple Airlines
Deal found 3/1$324
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/261:05 amSJU - STL
2 stops14h 18mUnited Airlines
Wed 4/910:40 amSTL - SJU
1 stop12h 14mUnited Airlines
Deal found 3/2$389
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 3/43:57 pmNAS - STL
1 stop24h 43mUnited Airlines
Sat 3/85:33 pmSTL - NAS
2 stops40h 17mUnited Airlines
Deal found 3/3$420
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Wed 5/214:30 pmAUA - STL
2 stops24h 00mUnited Airlines
Wed 5/283:35 pmSTL - AUA
2 stops22h 45mUnited Airlines
Deal found 3/3$439
This American Airlines deal was found by Cheapflights users on 3/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1312:30 pmAUA - STL
1 stop12h 26mAmerican Airlines
Mon 3/176:42 pmSTL - AUA
1 stop15h 48mAmerican Airlines
Deal found 3/2$459
This Delta deal was found by Cheapflights users on 3/1. 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 5/193:25 pmAUA - STL
1 stop9h 13mDelta
Sun 5/256:00 amSTL - AUA
1 stop7h 10mDelta
Deal found 3/1$484
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 3/46:30 pmNAS - STL
1 stop6h 10mAmerican Airlines
Sat 3/86:29 pmSTL - NAS
1 stop16h 55mAmerican Airlines
Deal found 3/3$488
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:05 amSJU - STL
1 stop8h 50mSouthwest
Sat 5/171:25 pmSTL - SJU
Nonstop4h 25mSouthwest
Deal found 3/2$496
This Mytrip deal was found by Cheapflights users on 3/2. 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.
Tue 3/1111:30 amNAS - STL
1 stop6h 12mMultiple Airlines
Sat 3/159:50 amSTL - NAS
3 stops33h 55mMultiple Airlines
Deal found 3/2$499
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:35 pmAUA - STL
1 stop25h 57mSpirit Airlines
Sat 5/317:37 pmSTL - AUA
1 stop19h 57mSpirit Airlines
Deal found 3/1$519

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

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 March 3, 2025.

Fly from

Caribbean Islands

Fly to

St. Louis

Route

Depart

Return

Price

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 4/1

9:35 pm-11:46 pm

1 stop27h 11m

Lambert-St Louis

Tue 4/8

4:57 pm-9:38 pm

1 stop27h 41m

$236

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 4/19

1:29 pm-10:19 pm

1 stop9h 50m

Lambert-St Louis

Sat 4/26

9:52 am-8:28 pm

2 stops9h 36m

$286

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 4/19

6:38 pm-5:15 pm

1 stop23h 37m

Lambert-St Louis

Sat 4/26

9:50 am-5:33 pm

3 stops30h 43m

$324

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 3/26

1:05 am-2:23 pm

2 stops14h 18m

Lambert-St Louis

Wed 4/9

10:40 am-11:54 pm

1 stop12h 14m

$389

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Wed 5/21

4:30 pm-3:30 pm

2 stops24h 00m

Lambert-St Louis

Wed 5/28

3:35 pm-3:20 pm

2 stops22h 45m

$439

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Thu 3/13

12:30 pm-11:56 pm

1 stop12h 26m

Lambert-St Louis

Mon 3/17

6:42 pm-11:30 am

1 stop15h 48m

$459

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Mon 5/19

3:25 pm-11:38 pm

1 stop9h 13m

Lambert-St Louis

Sun 5/25

6:00 am-2:10 pm

1 stop7h 10m

$484

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Mon 5/12

6:05 am-1:55 pm

1 stop8h 50m

Lambert-St Louis

Sat 5/17

1:25 pm-6:50 pm

Nonstop4h 25m

$496

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Sat 5/24

5:35 pm-6:32 pm

1 stop25h 57m

Lambert-St Louis

Sat 5/31

7:37 pm-4:34 pm

1 stop19h 57m

$519

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 6/14

6:15 am-2:35 pm

1 stop9h 20m

Lambert-St Louis

Sat 6/28

11:51 am-7:41 pm

1 stop6h 50m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 34 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.

Travel insights for flights from Caribbean Islands to St. Louis

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

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 March 3, 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 3, 2025.
Read through reviews of airlines operating flights from Caribbean Islands to St. Louis, such as Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,333 reviews

Food

7.1

Crew

8.7

Comfort

8.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.

  • 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 $78. However, be on the lookout for offers from Spirit Airlines 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, Oranjestad Reina Beatrix - Lambert-St Louis and Saint Thomas Island Cyril E King - Lambert-St Louis.

  • 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 Caribbean Islands?

Book flights to Caribbean Islands if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$163Average$239FlexibilityNo cancel feeOn-time62%
DeltaCheapest$189Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$255Average$574FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$279Average$554FlexibilityNo cancel feeOn-time63%
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