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

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from American Airlines and Spirit Airlines, as they are both options that can get you from Caribbean Islands to St. Louis for a low price.

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.

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).

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 Oranjestad Reina Beatrix - Lambert-St Louis.

What are the most popular airlines that fly from Caribbean Islands to St. Louis?

Before booking your flight from Caribbean Islands to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Frontier.

How far in advance should I book a flight from Caribbean Islands to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 75% on flights from Caribbean Islands to St. Louis compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $208. For sooner than that we have options available in the next 3 days from $348.

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

The best pricing can be found in the month of January. Prices to St. Louis from Caribbean Islands average $397. You can even find prices in January for less than $397, as users have found deals to St. Louis from as low as $127. The month of June appears to be one of the more expensive times to travel to St. Louis from Caribbean Islands. Flying in the targeted month can save you up to 30%.

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.

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.

$98+ Cheap Flights from Caribbean Islands to St. Louis

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Cheap flight deals from Caribbean Islands to St. Louis

Round-trip from	$205 (American Airlines)
One-way from	$103 (United Airlines)

From Caribbean Islands to Lambert-St Louis

Search Deals

One-way flight from Caribbean Islands to Lambert-St Louis

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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 August 14, 2025.

Fri 9/267:05 pmSJU - STL

2 stops15h 11mAmerican Airlines

Fri 10/35:18 amSTL - SJU

1 stop7h 57mAmerican Airlines

Deal found 8/14

$205

Thu 11/206:25 amSJU - STL

1 stop16h 30mAmerican Airlines

Sun 11/236:45 pmSTL - SJU

1 stop16h 19mAmerican Airlines

Deal found 8/13

$255

Thu 9/44:42 pmSJU - STL

1 stop21h 20mFrontier

Sun 9/71:52 pmSTL - SJU

1 stop9h 07mFrontier

Deal found 8/13

$277

Wed 11/123:59 amSJU - STL

1 stop11h 28mFrontier

Sun 11/162:22 pmSTL - SJU

1 stop10h 32mFrontier

Deal found 8/12

$285

Fri 9/511:10 amSJU - STL

1 stop8h 05mSouthwest

Sun 9/78:50 pmSTL - SJU

1 stop12h 25mSouthwest

Deal found 8/13

$335

Thu 11/206:25 amSJU - STL

1 stop16h 30mAmerican Airlines

Mon 11/247:12 amSTL - SJU

2 stops8h 40mAmerican Airlines

Deal found 8/12

$340

Fri 9/57:05 pmSJU - STL

2 stops15h 11mAmerican Airlines

Sun 9/76:00 amSTL - SJU

2 stops11h 15mAmerican Airlines

Deal found 8/13

$351

Sun 11/236:25 amSJU - STL

1 stop16h 30mAmerican Airlines

Tue 12/25:00 amSTL - SJU

1 stop6h 04mAmerican Airlines

Deal found 8/14

$359

Thu 9/42:40 pmSJU - STL

1 stop6h 50mSouthwest

Tue 9/95:25 amSTL - SJU

1 stop11h 00mSouthwest

Deal found 8/12

$380

Sat 8/3012:18 pmSTT - STL

1 stop22h 22mMultiple Airlines

Wed 9/37:54 pmSTL - STT

2 stops42h 03mMultiple Airlines

Deal found 8/14

$426

Fri 9/123:17 pmGND - STL

1 stop9h 42mAmerican Airlines

Sun 9/145:28 amSTL - GND

1 stop7h 50mAmerican Airlines

Deal found 8/13

$627

Thu 8/283:35 pmAUA - STL

1 stop7h 45mSouthwest

Mon 9/15:05 amSTL - AUA

1 stop8h 10mSouthwest

Deal found 8/12

$641

Best flights from Caribbean Islands to St. Louis
Discover carefully curated flight deals from Caribbean Islands to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Fri 9/267:05 pmSJU - STL

2 stops15h 11mAmerican Airlines

Fri 10/35:18 amSTL - SJU

1 stop7h 57mAmerican Airlines

Deal found 8/12

$205

Thu 11/136:20 pmSJU - STL

1 stop7h 19mDelta

Sun 11/167:20 amSTL - SJU

1 stop7h 55mDelta

Deal found 8/12

$205

Thu 9/44:42 pmSJU - STL

1 stop21h 20mFrontier

Sun 9/71:52 pmSTL - SJU

1 stop9h 07mFrontier

Deal found 8/13

$277

Sat 8/3012:18 pmSTT - STL

1 stop22h 22mMultiple Airlines

Wed 9/37:54 pmSTL - STT

2 stops42h 03mMultiple Airlines

Deal found 8/14

$426

Thu 11/206:25 amSJU - STL

1 stop16h 30mAmerican Airlines

Sun 11/236:45 pmSTL - SJU

1 stop16h 19mAmerican Airlines

Deal found 8/13

$255

Fri 9/512:50 pmSJU - STL

1 stop10h 12mDelta

Sun 9/76:00 amSTL - SJU

1 stop6h 30mDelta

Deal found 8/12

$278

Thu 9/253:39 amSJU - STL

1 stop10h 23mFrontier

Fri 10/31:57 pmSTL - SJU

1 stop9h 02mFrontier

Deal found 8/13

$278

Thu 11/132:41 pmSJU - STL

2 stops11h 24mAmerican Airlines

Sun 11/166:00 amSTL - SJU

1 stop15h 47mAmerican Airlines

Deal found 8/12

$278

Thu 8/283:35 pmAUA - STL

1 stop7h 45mSouthwest

Mon 9/15:05 amSTL - AUA

1 stop8h 10mSouthwest

Deal found 8/12

$641

Sat 8/301:51 pmSTT - STL

1 stop9h 11mDelta

Wed 9/36:00 amSTL - STT

1 stop7h 10mDelta

Deal found 8/14

$683

Fri 9/123:17 pmGND - STL

1 stop9h 42mAmerican Airlines

Sun 9/145:28 amSTL - GND

1 stop7h 50mAmerican Airlines

Deal found 8/13

$627

Thu 8/282:45 pmAUA - STL

2 stops10h 06mAmerican Airlines

Mon 9/17:41 pmSTL - AUA

2 stops17h 04mAmerican Airlines

Deal found 8/12

$647

Last-minute flights from Caribbean Islands to St. Louis
Discover last-minute flight deals from Caribbean Islands to St. Louis. Data last updated August 14, 2025 and is based on user searches.

Sun 8/242:11 amSJU - STL

2 stops12h 21mSpirit Airlines

Thu 8/282:30 pmSTL - SJU

1 stop22h 47mSpirit Airlines

Deal found 8/14

$383

Sun 8/243:59 amSJU - STL

1 stop11h 22mFrontier

Thu 8/282:02 pmSTL - SJU

1 stop11h 48mFrontier

Deal found 8/14

$385

Thu 8/283:35 pmAUA - STL

1 stop7h 45mSouthwest

Mon 9/15:05 amSTL - AUA

1 stop8h 10mSouthwest

Deal found 8/12

$641

Sat 8/3012:18 pmSTT - STL

1 stop22h 22mMultiple Airlines

Wed 9/37:54 pmSTL - STT

2 stops42h 03mMultiple Airlines

Deal found 8/14

$426

Wed 9/312:28 amSJU - STL

2 stops15h 36mMultiple Airlines

Sun 9/710:35 amSTL - SJU

1 stop23h 29mMultiple Airlines

Deal found 8/13

$390

Thu 9/44:42 pmSJU - STL

1 stop21h 20mFrontier

Sun 9/71:52 pmSTL - SJU

1 stop9h 07mFrontier

Deal found 8/13

$277

Thu 9/42:40 pmSJU - STL

1 stop6h 50mSouthwest

Tue 9/95:25 amSTL - SJU

1 stop11h 00mSouthwest

Deal found 8/12

$380

Thu 9/43:39 amSJU - STL

1 stop10h 23mMultiple Airlines

Sun 9/710:35 amSTL - SJU

2 stops26h 36mMultiple Airlines

Deal found 8/13

$396

Thu 9/43:19 pmSJU - STL

1 stop22h 43mMultiple Airlines

Mon 9/81:57 pmSTL - SJU

1 stop9h 57mMultiple Airlines

Deal found 8/12

$397

Thu 9/412:01 pmSJU - STL

1 stop12h 58mAmerican Airlines

Tue 9/95:28 amSTL - SJU

1 stop11h 46mAmerican Airlines

Deal found 8/14

$411

Fri 9/511:10 amSJU - STL

1 stop8h 05mSouthwest

Sun 9/78:50 pmSTL - SJU

1 stop12h 25mSouthwest

Deal found 8/13

$335

Fri 9/57:05 pmSJU - STL

2 stops15h 11mAmerican Airlines

Sun 9/76:00 amSTL - SJU

2 stops11h 15mAmerican Airlines

Deal found 8/13

$351

One-way flights from Caribbean Islands to St. Louis
Search for one-way flight options from Caribbean Islands to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Fri 9/261:05 amSJU - STL

2 stops14h 22mUnited Airlines

Deal found 8/14

$103

Sat 10/43:55 pmSJU - STL

2 stops17h 10mAmerican Airlines

Deal found 8/14

$109

Mon 11/33:48 amSJU - STL

2 stops8h 14mSpirit Airlines

Deal found 8/13

$117

Wed 10/11:05 amSJU - STL

1 stop10h 43mUnited Airlines

Deal found 8/14

$118

Sat 9/203:19 pmSJU - STL

2 stops19h 21mSpirit Airlines

Deal found 8/14

$119

Tue 10/287:30 amSJU - STL

2 stops11h 09mUnited Airlines

Deal found 8/14

$125

Mon 10/279:00 amSJU - STL

1 stop25h 59mMultiple Airlines

Deal found 8/13

$129

Tue 11/112:05 amSJU - STL

2 stops14h 20mUnited Airlines

Deal found 8/14

$131

Wed 10/13:19 pmSJU - STL

2 stops19h 21mSpirit Airlines

Deal found 8/14

$132

Wed 9/35:25 pmSJU - STL

2 stops20h 47mAmerican Airlines

Deal found 8/13

$133

Fri 8/293:00 pmNAS - STL

1 stop5h 07mDelta

Deal found 8/14

$242

Fri 8/2910:30 amNAS - STL

2 stops9h 59mAmerican Airlines

Deal found 8/14

$251

Cheapflights Fare Finder

Use the filters below to find and compare flights from Caribbean Islands to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 9/26

7:05 pm-9:16 am

2 stops15h 11m

Lambert-St Louis

Fri 10/3

5:18 am-2:15 pm

1 stop7h 57m

$205

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 11/13

6:20 pm-11:39 pm

1 stop7h 19m

Lambert-St Louis

Sun 11/16

7:20 am-5:15 pm

1 stop7h 55m

$205

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 11/20

6:25 am-8:55 pm

1 stop16h 30m

Lambert-St Louis

Sun 11/23

6:45 pm-1:04 pm

1 stop16h 19m

$255

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/4

4:42 pm-1:02 pm

1 stop21h 20m

Lambert-St Louis

Sun 9/7

1:52 pm-11:59 pm

1 stop9h 07m

$277

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 9/5

12:50 pm-10:02 pm

1 stop10h 12m

Lambert-St Louis

Sun 9/7

6:00 am-1:30 pm

1 stop6h 30m

$278

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 9/25

3:39 am-1:02 pm

1 stop10h 23m

Lambert-St Louis

Fri 10/3

1:57 pm-11:59 pm

1 stop9h 02m

$278

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 11/13

2:41 pm-12:05 am

2 stops11h 24m

Lambert-St Louis

Sun 11/16

6:00 am-11:47 pm

1 stop15h 47m

$278

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Sat 8/30

12:18 pm-9:40 am

1 stop22h 22m

Lambert-St Louis

Wed 9/3

7:54 pm-2:57 pm

2 stops42h 03m

$426

St. George'sSt. Louis

GND - STL

GNDSTL

St. George's Point Saline Intl

Fri 9/12

3:17 pm-11:59 pm

1 stop9h 42m

Lambert-St Louis

Sun 9/14

5:28 am-2:18 pm

1 stop7h 50m

$627

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Thu 8/28

3:35 pm-10:20 pm

1 stop7h 45m

Lambert-St Louis

Mon 9/1

5:05 am-2:15 pm

1 stop8h 10m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 31 results

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?

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

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.

Delta

8.0

Very good

7,980 reviews

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

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

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

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 United Airlines, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from American Airlines and Spirit Airlines, 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 Oranjestad Reina Beatrix - 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

O'Fallon

Fairview Heights

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Eureka

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Glencoe

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Chesterfield

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Caribbean Islands to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$163	Average$240	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$244	Average$446	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$254	Average$522	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$279	Average$580	FlexibilityNo cancel fee	On-time63%

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$98+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Caribbean Islands to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 14, 2025.

Round-trip from

One-way from

Find flight deals from Caribbean Islands to St. Louis

Cheapest flights from Caribbean Islands to St. LouisExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Caribbean Islands to St. Louis that are best for you.

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.

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?

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 August 14, 2025.

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

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

Traveling to a place near St. Louis?

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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 4 airlines flying from Caribbean Islands to St. Louis

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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 August 14, 2025.