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

$105 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Spirit Airlines, with prices starting from $110 and $135, 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.

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

On average you can expect to pay $666 for a flight from St. Louis to Caribbean Islands. The cheapest flight overall is $590 while the most popular route, (Lambert-St Louis - San Juan Luis Munoz Marin Intl) is currently priced at $209.

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

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

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

To save on the cost of your flight from St. Louis to Caribbean Islands, book at least 30 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $295 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $318.

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

Flights from St. Louis to Caribbean Islands lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Caribbean Islands in April, with the cheapest ticket starting at $170.

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.

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.

$105+ Flights from St. Louis to Caribbean Islands - Compare & Save Big

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Cheap flight deals from St. Louis to Caribbean Islands

Round-trip from	$209 (Delta)
One-way from	$105 (Delta)
Popular in	July
Cheapest in	April
Average price	$476

From Lambert-St Louis to Caribbean Islands

Search Deals

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

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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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 May 1, 2025.

Sat 7/1210:10 amSTL - SJU

1 stop11h 13mDelta

Tue 7/156:15 amSJU - STL

1 stop11h 03mDelta

Deal found 4/29

$209

Sat 5/246:20 pmSTL - SJU

1 stop15h 44mAmerican Airlines

Tue 5/275:25 amSJU - STL

1 stop16h 33mAmerican Airlines

Deal found 4/28

$244

Sat 5/2410:10 amSTL - SJU

1 stop7h 57mSpirit Airlines

Sat 6/79:23 pmSJU - STL

1 stop12h 52mSpirit Airlines

Deal found 4/30

$272

Tue 5/275:00 amSTL - SJU

1 stop8h 44mUnited Airlines

Tue 6/33:56 pmSJU - STL

1 stop7h 49mUnited Airlines

Deal found 4/29

$274

Mon 5/55:45 pmSTL - SJU

1 stop16h 11mFrontier

Sat 5/1012:05 pmSJU - STL

1 stop13h 01mFrontier

Deal found 4/29

$299

Thu 5/2910:10 amSTL - SJU

1 stop7h 57mMultiple Airlines

Mon 6/29:30 pmSJU - STL

1 stop27h 07mMultiple Airlines

Deal found 4/29

$323

Tue 5/65:13 amSTL - NAS

1 stop13h 02mAmerican Airlines

Thu 5/1512:10 pmNAS - STL

1 stop11h 09mAmerican Airlines

Deal found 4/29

$347

Thu 10/28:10 pmSTL - SJU

1 stop11h 55mSouthwest

Tue 10/710:50 amSJU - STL

1 stop10h 10mSouthwest

Deal found 4/29

$357

Tue 11/45:10 amSTL - NAS

1 stop6h 05mSouthwest

Tue 11/111:10 pmNAS - STL

1 stop9h 00mSouthwest

Deal found 4/29

$387

Wed 5/285:45 pmSTL - STT

1 stop20h 45mMultiple Airlines

Wed 6/42:41 pmSTT - STL

1 stop9h 56mMultiple Airlines

Deal found 4/30

$394

Tue 9/306:00 amSTL - NAS

1 stop4h 54mDelta

Tue 10/72:36 pmNAS - STL

1 stop10h 03mDelta

Deal found 4/29

$397

Tue 6/246:15 amSTL - PLS

1 stop7h 10mUnited Airlines

Mon 6/305:15 pmPLS - STL

2 stops22h 22mUnited Airlines

Deal found 4/30

$407

Best flights from St. Louis to Caribbean Islands
Discover carefully curated flight deals from St. Louis to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sat 7/1210:10 amSTL - SJU

1 stop11h 13mDelta

Tue 7/156:15 amSJU - STL

1 stop11h 03mDelta

Deal found 4/29

$209

Sat 5/246:20 pmSTL - SJU

1 stop15h 44mAmerican Airlines

Tue 5/275:25 amSJU - STL

1 stop16h 33mAmerican Airlines

Deal found 4/28

$244

Sat 5/2410:10 amSTL - SJU

1 stop7h 57mSpirit Airlines

Sat 6/79:23 pmSJU - STL

1 stop12h 52mSpirit Airlines

Deal found 4/30

$272

Tue 5/275:00 amSTL - SJU

1 stop8h 44mUnited Airlines

Tue 6/33:56 pmSJU - STL

1 stop7h 49mUnited Airlines

Deal found 4/29

$274

Mon 5/55:45 pmSTL - SJU

1 stop16h 11mFrontier

Sat 5/1012:05 pmSJU - STL

1 stop13h 01mFrontier

Deal found 4/29

$299

Thu 5/2910:10 amSTL - SJU

1 stop7h 57mMultiple Airlines

Mon 6/29:30 pmSJU - STL

1 stop27h 07mMultiple Airlines

Deal found 4/29

$323

Tue 7/157:20 amSTL - SJU

2 stops7h 40mSouthwest

Tue 7/228:00 pmSJU - STL

1 stop13h 35mSouthwest

Deal found 4/29

$470

Thu 6/127:30 amSTL - UVF

1 stop29h 45mAir Canada

Fri 6/273:10 pmUVF - STL

1 stop22h 26mAir Canada

Deal found 4/30

$550

Tue 5/65:13 amSTL - NAS

1 stop13h 02mAmerican Airlines

Thu 5/1512:10 pmNAS - STL

1 stop11h 09mAmerican Airlines

Deal found 4/29

$347

Thu 6/510:10 amSTL - MBJ

1 stop24h 52mSpirit Airlines

Thu 6/1212:07 pmMBJ - STL

1 stop22h 26mSpirit Airlines

Deal found 4/29

$380

Wed 5/285:45 pmSTL - STT

1 stop20h 45mMultiple Airlines

Wed 6/42:41 pmSTT - STL

1 stop9h 56mMultiple Airlines

Deal found 4/30

$394

Tue 6/245:00 amSTL - PLS

2 stops10h 05mUnited Airlines

Mon 6/305:15 pmPLS - STL

2 stops18h 25mUnited Airlines

Deal found 4/30

$407

Last-minute flights from St. Louis to Caribbean Islands
Discover last-minute flight deals from St. Louis to Caribbean Islands. Data last updated May 1, 2025 and is based on user searches.

Mon 5/55:45 pmSTL - SJU

1 stop16h 11mFrontier

Sat 5/1012:05 pmSJU - STL

1 stop13h 01mFrontier

Deal found 4/29

$299

Mon 5/59:20 amSTL - SJU

1 stop10h 45mSouthwest

Sat 5/104:00 pmSJU - STL

Nonstop5h 00mSouthwest

Deal found 4/30

$621

Tue 5/65:13 amSTL - NAS

1 stop13h 02mAmerican Airlines

Thu 5/1512:10 pmNAS - STL

1 stop11h 09mAmerican Airlines

Deal found 4/29

$347

Wed 5/75:45 pmSTL - MBJ

2 stops17h 17mMultiple Airlines

Wed 5/1412:07 pmMBJ - STL

1 stop21h 08mMultiple Airlines

Deal found 4/29

$446

Wed 5/76:00 amSTL - MBJ

1 stop7h 30mUnited Airlines

Wed 5/142:17 pmMBJ - STL

1 stop9h 32mUnited Airlines

Deal found 4/29

$478

Thu 5/85:45 pmSTL - PUJ

1 stop17h 02mMultiple Airlines

Thu 6/55:54 pmPUJ - STL

2 stops27h 16mMultiple Airlines

Deal found 4/30

$447

Thu 5/85:00 amSTL - PUJ

2 stops8h 40mAmerican Airlines

Thu 6/512:10 pmPUJ - STL

2 stops12h 44mAmerican Airlines

Deal found 4/30

$526

Thu 5/89:36 amSTL - AUA

1 stop24h 53mAmerican Airlines

Sat 5/175:40 pmAUA - STL

1 stop28h 18mAmerican Airlines

Deal found 4/30

$543

Thu 5/86:00 amSTL - STT

1 stop8h 10mDelta

Mon 5/122:51 pmSTT - STL

1 stop6h 48mDelta

Deal found 4/30

$663

Sat 5/1010:10 amSTL - SJU

1 stop7h 57mMultiple Airlines

Sat 5/173:56 amSJU - STL

1 stop21h 10mMultiple Airlines

Deal found 4/30

$323

Sat 5/106:00 amSTL - NAS

1 stop6h 50mUnited Airlines

Sun 5/115:00 pmNAS - STL

1 stop6h 03mUnited Airlines

Deal found 4/28

$437

Sat 5/105:12 amSTL - SJU

2 stops8h 28mAmerican Airlines

Sun 5/187:15 amSJU - STL

1 stop13h 08mAmerican Airlines

Deal found 4/30

$540

One-way flights from St. Louis to Caribbean Islands
Search for one-way flight options from St. Louis to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 7/810:46 amSTL - SJU

1 stop10h 37mDelta

Deal found 4/29

$105

Tue 5/275:00 amSTL - SJU

1 stop8h 44mUnited Airlines

Deal found 4/30

$110

Thu 5/2910:10 amSTL - SJU

1 stop7h 57mSpirit Airlines

Deal found 4/30

$135

Sun 5/259:36 amSTL - SJU

2 stops24h 23mAmerican Airlines

Deal found 4/30

$136

Tue 5/135:45 pmSTL - SJU

1 stop8h 06mFrontier

Deal found 4/30

$149

Sun 8/105:40 pmSTL - MBJ

2 stops15h 34mMultiple Airlines

Deal found 4/30

$155

Thu 6/510:10 amSTL - MBJ

1 stop24h 52mSpirit Airlines

Deal found 4/30

$156

Sat 6/710:10 amSTL - PUJ

2 stops25h 45mSpirit Airlines

Deal found 4/30

$169

Wed 5/285:45 pmSTL - PUJ

1 stop14h 02mFrontier

Deal found 4/30

$190

Mon 6/212:15 pmSTL - PUJ

2 stops23h 14mMultiple Airlines

Deal found 4/30

$197

Mon 6/308:15 amSTL - MBJ

1 stop6h 55mUnited Airlines

Deal found 4/30

$205

Mon 6/21:00 pmSTL - SJU

2 stops27h 16mMultiple Airlines

Deal found 4/30

$208

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 7/12

10:10 am-10:23 pm

1 stop11h 13m

San Juan Luis Munoz Marin Intl

Tue 7/15

6:15 am-4:18 pm

1 stop11h 03m

$209

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/24

6:20 pm-11:04 am

1 stop15h 44m

San Juan Luis Munoz Marin Intl

Tue 5/27

5:25 am-8:58 pm

1 stop16h 33m

$244

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/24

10:10 am-7:07 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Sat 6/7

9:23 pm-9:15 am

1 stop12h 52m

$272

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Tue 5/27

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Tue 6/3

3:56 pm-10:45 pm

1 stop7h 49m

$274

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Mon 5/19

5:45 pm-2:51 am

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Sat 5/24

4:38 pm-11:44 pm

1 stop8h 06m

$308

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 5/29

10:10 am-7:07 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Mon 6/2

9:30 pm-11:37 pm

1 stop27h 07m

$323

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Tue 5/6

5:13 am-7:15 pm

1 stop13h 02m

Nassau Intl

Thu 5/15

12:10 pm-10:19 pm

1 stop11h 09m

$347

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 10/2

8:10 pm-9:05 am

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Tue 10/7

10:50 am-8:00 pm

1 stop10h 10m

$357

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 5/28

5:45 pm-3:30 pm

1 stop20h 45m

Saint Thomas Island Cyril E King

Wed 6/4

2:41 pm-11:37 pm

1 stop9h 56m

$394

St. LouisProvidenciales

STL - PLS

STLPLS

Lambert-St Louis

Tue 6/24

6:15 am-2:25 pm

1 stop7h 10m

Providenciales

Mon 6/30

5:15 pm-2:37 pm

2 stops22h 22m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Caribbean Islands

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 December is currently the most expensive (average of $336). 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?

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

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

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

Read reviews from past customers who have flown Southwest, Delta and Copa Airlines 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

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,294 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,934 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Copa Airlines

7.5

Good

1,414 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,696 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,294 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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?
$105 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Spirit Airlines, with prices starting from $110 and $135, 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.
What are the cheapest flights from St. Louis to Caribbean Islands?
On average you can expect to pay $666 for a flight from St. Louis to Caribbean Islands. The cheapest flight overall is $590 while the most popular route, (Lambert-St Louis - San Juan Luis Munoz Marin Intl) is currently priced at $209.
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 December is currently the most expensive (average of $336). 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

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from St. Louis to Caribbean Islands

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$140	Average$420	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$155	Average$282	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$254	Average$595	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$261	Average$552	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$262	Average$626	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$347	Average$745	FlexibilityNo cancel fee	On-time63%

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$105+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from St. Louis to Caribbean Islands

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Caribbean Islands

Cheapest flights from St. Louis to Caribbean IslandsExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Caribbean Islands

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

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 May 1, 2025.

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

Reviews of airlines servicing Caribbean Islands

Read reviews from past customers who have flown Southwest, Delta and Copa Airlines 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.

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?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Caribbean Islands

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

Top 6 airlines flying from St. Louis to Caribbean Islands

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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 May 1, 2025.