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 $84. 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.

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 St. George's Point Saline Intl - 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 59% 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 $378.

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 $412. You can even find prices in January for less than $412, 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 38%.

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.

$84+ Flights from Caribbean Islands to St. Louis

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Cheap flight deals from Caribbean Islands to St. Louis

Round-trip from	$170 (Priceline)
One-way from	$84 (Frontier)

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 June 26, 2025.

Fri 8/157:28 pmSJU - STL

1 stop29h 19mFrontier

Sun 8/175:40 pmSTL - SJU

1 stop7h 59mFrontier

Deal found 6/24

$170

Fri 8/225:00 amSJU - STL

1 stop6h 40mSouthwest

Sun 8/248:10 amSTL - SJU

1 stop7h 00mSouthwest

Deal found 6/26

$219

Thu 7/241:37 amSJU - STL

1 stop9h 15mMultiple Airlines

Fri 8/85:40 pmSTL - SJU

1 stop7h 59mMultiple Airlines

Deal found 6/24

$239

Wed 7/161:37 amSJU - STL

1 stop9h 15mSpirit Airlines

Fri 7/2510:47 amSTL - SJU

1 stop23h 45mSpirit Airlines

Deal found 6/25

$243

Sat 8/162:20 pmSJU - STL

1 stop8h 35mDelta

Sat 8/231:26 pmSTL - SJU

1 stop7h 41mDelta

Deal found 6/25

$260

Wed 10/11:05 amSJU - STL

2 stops10h 44mUnited Airlines

Sun 10/56:30 amSTL - SJU

1 stop7h 14mUnited Airlines

Deal found 6/26

$340

Tue 8/123:05 pmNAS - STL

1 stop5h 02mDelta

Thu 8/216:00 amSTL - NAS

1 stop4h 48mDelta

Deal found 6/26

$376

Tue 8/1210:30 amNAS - STL

2 stops10h 55mAmerican Airlines

Thu 8/217:32 amSTL - NAS

2 stops9h 03mAmerican Airlines

Deal found 6/26

$389

Sat 8/166:00 amSJU - STL

2 stops10h 42mAmerican Airlines

Sat 8/236:00 amSTL - SJU

1 stop15h 49mAmerican Airlines

Deal found 6/26

$403

Sat 7/123:45 pmAUA - STL

1 stop25h 46mSpirit Airlines

Sat 7/193:34 pmSTL - AUA

1 stop22h 06mSpirit Airlines

Deal found 6/25

$454

Sat 10/185:15 pmSTT - STL

2 stops15h 53mAmerican Airlines

Sat 10/257:00 pmSTL - STT

1 stop16h 38mAmerican Airlines

Deal found 6/24

$510

Thu 10/162:42 pmSTT - STL

1 stop9h 57mDelta

Tue 10/286:00 amSTL - STT

1 stop6h 32mDelta

Deal found 6/24

$540

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 June 26, 2025.

Fri 8/157:28 pmSJU - STL

1 stop29h 19mFrontier

Sun 8/175:40 pmSTL - SJU

1 stop7h 59mFrontier

Deal found 6/24

$170

Fri 8/225:00 amSJU - STL

1 stop6h 40mSouthwest

Sun 8/248:10 amSTL - SJU

1 stop7h 00mSouthwest

Deal found 6/26

$219

Thu 7/241:37 amSJU - STL

1 stop9h 15mMultiple Airlines

Fri 8/85:40 pmSTL - SJU

1 stop7h 59mMultiple Airlines

Deal found 6/24

$239

Wed 7/161:37 amSJU - STL

1 stop9h 15mSpirit Airlines

Fri 7/2510:47 amSTL - SJU

1 stop23h 45mSpirit Airlines

Deal found 6/25

$243

Sat 8/162:20 pmSJU - STL

1 stop8h 35mDelta

Sat 8/231:26 pmSTL - SJU

1 stop7h 41mDelta

Deal found 6/25

$260

Wed 10/11:05 amSJU - STL

2 stops10h 44mUnited Airlines

Sun 10/56:30 amSTL - SJU

1 stop7h 14mUnited Airlines

Deal found 6/26

$340

Tue 8/1210:30 amNAS - STL

2 stops10h 55mAmerican Airlines

Thu 8/217:32 amSTL - NAS

2 stops9h 03mAmerican Airlines

Deal found 6/26

$389

Tue 8/123:05 pmNAS - STL

1 stop5h 02mDelta

Thu 8/216:00 amSTL - NAS

1 stop4h 48mDelta

Deal found 6/26

$376

Sat 8/166:00 amSJU - STL

2 stops10h 42mAmerican Airlines

Sat 8/236:00 amSTL - SJU

1 stop15h 49mAmerican Airlines

Deal found 6/26

$403

Sat 7/123:45 pmAUA - STL

1 stop25h 46mSpirit Airlines

Sat 7/193:34 pmSTL - AUA

1 stop22h 06mSpirit Airlines

Deal found 6/25

$454

Sat 10/185:15 pmSTT - STL

2 stops15h 53mAmerican Airlines

Sat 10/257:00 pmSTL - STT

1 stop16h 38mAmerican Airlines

Deal found 6/24

$510

Tue 7/153:51 pmAUA - STL

2 stops19h 38mMultiple Airlines

Sat 7/193:34 pmSTL - AUA

1 stop22h 06mMultiple Airlines

Deal found 6/25

$562

Last-minute flights from Caribbean Islands to St. Louis
Discover last-minute flight deals from Caribbean Islands to St. Louis. Data last updated June 26, 2025 and is based on user searches.

Tue 7/13:40 amSJU - STL

1 stop21h 13mFrontier

Wed 7/95:40 pmSTL - SJU

1 stop28h 46mFrontier

Deal found 6/25

$278

Tue 7/13:40 amSJU - STL

1 stop21h 13mMultiple Airlines

Wed 7/911:24 amSTL - SJU

1 stop13h 11mMultiple Airlines

Deal found 6/25

$335

Tue 7/12:55 pmGND - STL

2 stops18h 51mAmerican Airlines

Mon 7/145:14 pmSTL - GND

2 stops19h 46mAmerican Airlines

Deal found 6/24

$842

Tue 7/111:25 amGND - STL

3 stops26h 02mMultiple Airlines

Mon 7/149:15 amSTL - GND

2 stops21h 55mMultiple Airlines

Deal found 6/24

$2,258

Wed 7/23:00 pmSJU - STL

1 stop18h 05mAmerican Airlines

Wed 7/95:30 amSTL - SJU

1 stop16h 55mAmerican Airlines

Deal found 6/25

$530

Wed 7/211:35 amSJU - STL

1 stop12h 20mSouthwest

Wed 7/97:35 pmSTL - SJU

1 stop12h 25mSouthwest

Deal found 6/25

$590

Wed 7/21:10 amSJU - STL

2 stops12h 17mUnited Airlines

Thu 7/108:00 amSTL - SJU

2 stops15h 02mUnited Airlines

Deal found 6/26

$710

Thu 7/37:36 pmSJU - STL

2 stops22h 28mSpirit Airlines

Thu 7/1010:47 amSTL - SJU

1 stop23h 45mSpirit Airlines

Deal found 6/25

$364

Thu 7/33:00 pmSJU - STL

2 stops28h 35mAlaska Airlines

Thu 7/107:32 pmSTL - SJU

2 stops42h 01mAlaska Airlines

Deal found 6/25

$1,799

Thu 7/37:00 amSJU - STL

2 stops12h 44mDelta

Thu 7/106:00 amSTL - SJU

2 stops13h 39mDelta

Deal found 6/25

$2,837

Wed 7/93:10 pmAUA - STL

1 stop8h 11mUnited Airlines

Fri 7/1811:25 amSTL - AUA

2 stops26h 55mUnited Airlines

Deal found 6/25

$563

Thu 7/101:55 pmAUA - STL

2 stops19h 27mDelta

Sat 7/193:41 pmSTL - AUA

2 stops19h 59mDelta

Deal found 6/25

$564

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 June 26, 2025.

Fri 10/103:40 amSJU - STL

1 stop10h 47mFrontier

Deal found 6/25

$84

Sat 10/45:41 pmSJU - STL

1 stop15h 08mSpirit Airlines

Deal found 6/26

$86

Fri 9/1211:10 amSJU - STL

2 stops12h 25mSouthwest

Deal found 6/26

$110

Wed 9/101:05 amSJU - STL

2 stops14h 14mUnited Airlines

Deal found 6/26

$137

Sat 10/185:41 pmSJU - STL

3 stops26h 00mMultiple Airlines

Deal found 6/25

$209

Wed 7/22:53 pmNAS - STL

1 stop27h 06mUnited Airlines

Deal found 6/25

$242

Mon 9/84:43 pmSJU - STL

1 stop7h 24mAmerican Airlines

Deal found 6/26

$243

Sat 8/303:45 pmAUA - STL

1 stop19h 10mSpirit Airlines

Deal found 6/24

$245

Fri 8/294:30 pmAUA - STL

1 stop27h 29mUnited Airlines

Deal found 6/24

$280

Thu 7/33:03 pmSTT - STL

2 stops27h 01mSpirit Airlines

Deal found 6/24

$284

Tue 9/22:30 pmAUA - STL

1 stop22h 53mAmerican Airlines

Deal found 6/24

$291

Sat 7/123:35 pmAUA - STL

2 stops28h 56mMultiple Airlines

Deal found 6/25

$324

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 8/15

7:28 pm-11:47 pm

1 stop29h 19m

Lambert-St Louis

Sun 8/17

5:40 pm-2:39 am

1 stop7h 59m

$170

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 8/22

5:00 am-3:15 pm

1 stop11h 15m

Lambert-St Louis

Sun 8/24

8:10 am-4:10 pm

1 stop7h 00m

$219

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 7/24

1:37 am-9:52 am

1 stop9h 15m

Lambert-St Louis

Fri 8/8

5:40 pm-2:39 am

1 stop7h 59m

$239

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 7/16

1:37 am-9:52 am

1 stop9h 15m

Lambert-St Louis

Fri 7/25

10:47 am-11:32 am

1 stop23h 45m

$243

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 8/16

2:20 pm-9:55 pm

1 stop8h 35m

Lambert-St Louis

Sat 8/23

1:26 pm-10:07 pm

1 stop7h 41m

$260

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 10/1

1:05 am-10:49 am

2 stops10h 44m

Lambert-St Louis

Sun 10/5

6:30 am-2:44 pm

1 stop7h 14m

$340

NassauSt. Louis

NAS - STL

NASSTL

Nassau Intl

Tue 8/12

3:05 pm-7:07 pm

1 stop5h 02m

Lambert-St Louis

Thu 8/21

6:00 am-11:48 am

1 stop4h 48m

$376

NassauSt. Louis

NAS - STL

NASSTL

Nassau Intl

Tue 8/12

7:50 am-4:56 pm

2 stops10h 06m

Lambert-St Louis

Thu 8/21

5:27 am-1:27 pm

1 stop7h 00m

$389

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Sat 8/16

6:00 am-3:42 pm

2 stops10h 42m

Lambert-St Louis

Sat 8/23

6:00 am-10:49 pm

1 stop15h 49m

$403

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Sat 7/12

3:45 pm-4:31 pm

1 stop25h 46m

Lambert-St Louis

Sat 7/19

3:34 pm-2:40 pm

1 stop22h 06m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 39 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 Alaska Airlines, Southwest, and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,276 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,964 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,838 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Frontier, with whom users have recently found tickets for as low as $84. 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, Nassau Intl - Lambert-St Louis and St. George's Point Saline Intl - 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

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

Farmington

Browse thousands of different options on Cheapflights for your next trip

Top 5 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$491	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$254	Average$546	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$255	Average$573	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$279	Average$595	FlexibilityNo cancel fee	On-time63%

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$84+ 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 10/10. 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 June 26, 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 June 26, 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 June 26, 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 June 26, 2025.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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 Caribbean Islands?

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

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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 June 26, 2025.