What is the cheapest airline that flies from Lambert-St Louis to Caribbean?

American Airlines, Delta, and Air Canada are the most popular carriers operating from Lambert-St Louis to Caribbean

How many flights depart from St. Louis to Caribbean on average per week?

As of April 2026, 4 flights take off from St. Louis and land in Caribbean each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

What airlines fly to Caribbean?

American Airlines, Frontier and Delta are the top three most popular airlines that fly to Caribbean from St. Louis according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 6 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to Caribbean?

Prices for flights from Lambert-St Louis Airport to Caribbean were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Caribbean?

As of April 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Caribbean.

How old do you have to be to fly from Lambert-St Louis Airport to Caribbean?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Caribbean.

What documentation or ID do you need to fly to Caribbean?

The necessary travel and health documents for your Caribbean trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$87 Cheap Flights from St. Louis to Caribbean in 2026

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Find the cheapest flights from St. Louis to Caribbean

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:19 pm - 2:08 am

STL

SJU

8h 49m

1 stop

6:00 am - 12:21 am

SJU

STL

19h 21m

1 stop

$176Frontier

Fri, May 8 - Sun, May 10

4:59 pm - 2:01 am

STL

SJU

8h 02m

1 stop

6:09 pm - 12:21 am

SJU

STL

7h 12m

1 stop

$186Frontier

Sat, May 2 - Fri, May 8

6:30 am - 2:57 pm

STL

NAS

7h 27m

1 stop

3:59 pm - 10:45 pm

NAS

STL

7h 46m

1 stop

$376United Airlines

Sun, May 10 - Wed, May 13

7:12 am - 4:34 pm

STL

NAS

8h 22m

2 stops

8:18 am - 10:24 pm

NAS

STL

15h 06m

1 stop

$380American Airlines

Sun, May 10 - Wed, May 13

6:00 am - 4:34 pm

STL

NAS

9h 34m

2 stops

8:18 am - 4:00 pm

NAS

STL

8h 42m

2 stops

$385American Airlines

Wed, May 13 - Wed, May 20

1:05 pm - 5:00 pm

STL

SXM

50h 55m

2 stops

12:43 pm - 12:09 am

SXM

STL

12h 26m

1 stop

$393Multiple Airlines

Tue, Jun 16 - Sat, Jun 20

4:19 pm - 2:16 pm

STL

STT

20h 57m

1 stop

3:21 pm - 11:57 pm

STT

STL

9h 36m

1 stop

$408Multiple Airlines

Wed, May 27 - Sat, May 30

6:00 am - 4:35 pm

STL

NAS

9h 35m

1 stop

6:00 pm - 11:59 pm

NAS

STL

6h 59m

1 stop

$411Delta

Mon, May 11 - Sat, May 16

6:30 am - 2:57 pm

STL

NAS

7h 27m

1 stop

1:15 pm - 9:13 pm

NAS

STL

8h 58m

2 stops

$415United Airlines

Mon, May 11 - Sat, May 16

6:50 pm - 12:03 pm

STL

NAS

16h 13m

2 stops

3:29 pm - 9:38 pm

NAS

STL

7h 09m

1 stop

$417Delta

Mon, May 4 - Tue, May 12

Frontier flights from St. Louis to Caribbean

Our best Frontier deals on St. Louis to Caribbean flight tickets

Frontier

May 8

STL4:19 pmLambert-St Louis

8h 49m

1 stop

SJU2:08 amSan Juan Luis Munoz Marin Intl

May 10

SJU6:00 amSan Juan Luis Munoz Marin Intl

19h 21m

1 stop

STL12:21 amLambert-St Louis

$176

Frontier

May 2

STL4:59 pmLambert-St Louis

8h 02m

1 stop

SJU2:01 amSan Juan Luis Munoz Marin Intl

May 8

SJU6:09 pmSan Juan Luis Munoz Marin Intl

7h 12m

1 stop

STL12:21 amLambert-St Louis

$186

Frontier

May 2

STL4:59 pmLambert-St Louis

8h 02m

1 stop

SJU2:01 amSan Juan Luis Munoz Marin Intl

May 9

SJU3:33 pmSan Juan Luis Munoz Marin Intl

9h 48m

1 stop

STL12:21 amLambert-St Louis

$196

Southwest flights from St. Louis to Caribbean

Our best Southwest deals on St. Louis to Caribbean flight tickets

Southwest

Jul 12

STL10:55 amLambert-St Louis

3h 40m

MBJ2:35 pmMontego Bay Sangster Intl

Jul 19

MBJ1:35 pmMontego Bay Sangster Intl

10h 10m

1 stop

STL11:45 pmLambert-St Louis

$471

Southwest

May 1

STL2:15 pmLambert-St Louis

8h 40m

2 stops

SJU11:55 pmSan Juan Luis Munoz Marin Intl

May 5

SJU5:35 amSan Juan Luis Munoz Marin Intl

8h 50m

2 stops

STL1:25 pmLambert-St Louis

$501

Southwest

Apr 28

STL11:35 amLambert-St Louis

8h 30m

2 stops

SJU9:05 pmSan Juan Luis Munoz Marin Intl

May 1

SJU10:00 amSan Juan Luis Munoz Marin Intl

9h 45m

2 stops

STL6:45 pmLambert-St Louis

$556

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Fri 5/8

4:19 pm-2:08 am

1 stop8h 49m

San Juan Luis Munoz Marin Intl

Sun 5/10

6:00 am-12:21 am

1 stop19h 21m

$176

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 5/2

4:59 pm-2:01 am

1 stop8h 02m

San Juan Luis Munoz Marin Intl

Fri 5/8

6:09 pm-12:21 am

1 stop7h 12m

$186

Quickest round-trip

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Sun 5/10

6:30 am-2:57 pm

1 stop7h 27m

Nassau Intl

Wed 5/13

3:59 pm-10:45 pm

1 stop7h 46m

$376

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Sun 5/10

7:12 am-4:34 pm

2 stops8h 22m

Nassau Intl

Wed 5/13

8:18 am-10:24 pm

1 stop15h 06m

$380

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Wed 5/13

6:00 am-4:34 pm

2 stops9h 34m

Nassau Intl

Wed 5/20

8:18 am-4:00 pm

2 stops8h 42m

$385

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 6/16

1:05 pm-5:00 pm

2 stops50h 55m

Simpson Bay Princess Juliana

Sat 6/20

12:43 pm-12:09 am

1 stop12h 26m

$393

St. LouisSaint Thomas Island

STL - STT

STLSTT

Lambert-St Louis

Wed 5/27

4:19 pm-2:16 pm

1 stop20h 57m

Saint Thomas Island Cyril E King

Sat 5/30

3:21 pm-11:57 pm

1 stop9h 36m

$408

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Mon 5/11

6:00 am-4:35 pm

1 stop9h 35m

Nassau Intl

Sat 5/16

6:00 pm-11:59 pm

1 stop6h 59m

$411

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Mon 5/11

6:30 am-2:57 pm

1 stop7h 27m

Nassau Intl

Sat 5/16

1:15 pm-9:13 pm

2 stops8h 58m

$415

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Mon 5/4

6:50 pm-12:03 pm

2 stops16h 13m

Nassau Intl

Tue 5/12

3:29 pm-9:38 pm

1 stop7h 09m

$417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Caribbean

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Caribbean?

In general, September is the cheapest month to fly from St. Louis to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $219. If you don’t want to visit Caribbean in September, then you should wait until October to fly from St. Louis, when ticket prices are also cheap, with an average price of $331.

What is the cheapest Lambert-St Louis to Caribbean flight route?

Fly from Lambert-St Louis to Montego Bay Sangster Intl for the best Lambert-St Louis - Caribbean flight prices

How far in advance should I book a flight to Caribbean?

You are more likely to see cheaper flights to Caribbean from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from St. Louis for as low as $348 on momondo.

What cabin class options are available on Lambert-St Louis to Caribbean flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Caribbean flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Caribbean flights?

You could potentially save up to 59% on your flight if you consider stops on a St. Louis to Caribbean flight.

Cheap St. Louis to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Caribbean

Best Price Found	$294
Fastest flight time	3h 40m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Caribbean	195 airports

The best one-way flight to Caribbean from St. Louis in the past 72 hours is $294. The best round-trip flight deal from St. Louis to Caribbean found on momondo in the last 72 hours is $609.

The fastest flight from St. Louis to Caribbean takes 3h 40m

Direct flights go from St. Louis to Caribbean on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Frontier.

There are 195 airports in Caribbean. From St. Louis there are direct flights to Montego Bay Sangster Intl (MBJ), Punta Cana (PUJ), San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying from St. Louis to Caribbean

When did momondo last update prices for flights from Lambert-St Louis Airport to Caribbean?
Prices for flights from Lambert-St Louis Airport to Caribbean were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Caribbean?
As of April 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Caribbean.
How old do you have to be to fly from Lambert-St Louis Airport to Caribbean?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Caribbean.
What documentation or ID do you need to fly to Caribbean?
The necessary travel and health documents for your Caribbean trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Caribbean?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Caribbean is Airbus A321neo, representing 53.66% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 20.33%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.57%, and Airbus A320neo at 8.13%.

Best airlines flying from St. Louis to Caribbean

Compare and see reviews for airlines that fly from St. Louis to Caribbean with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $138	Free Cancellation	Rating 5.7 2,987 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $146	Free Cancellation	Rating 6.3 8,626 reviews	Search Spirit Airlines flights
Delta	PriceFrom $197	Free Cancellation	Rating 7.9 8,422 reviews	Search Delta flights
Southwest	PriceFrom $219	Free Cancellation	Rating 8.0 4,328 reviews	Search Southwest flights
United Airlines	PriceFrom $225	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
American Airlines	PriceFrom $230	Free Cancellation	Rating 7.1 11,617 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Caribbean?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Caribbean. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Caribbean with flexible booking policies on momondo?

Yes. All flights to Caribbean from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Caribbean?

momondo helps you find the best flight between St. Louis and Caribbean by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Caribbean right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Caribbean flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Caribbean trip

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Find better results for your trip to Caribbean

Popular cities

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Other flights to Caribbean

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Complete your trip

Feeling lucky

Popular cities in Caribbean

Flights to San Juanfrom $61

Flights to Punta Canafrom $186

Flights to Santo Domingofrom $242

Flights to Montego Bayfrom $175

Flights to Oranjestadfrom $172

Flights to Nassaufrom $157

Flights to Santiago de los Caballerosfrom $247

Flights to Kingstonfrom $356

Flights to Saint Thomas Islandfrom $189

Flights to Simpson Bayfrom $182

Flights to Willemstadfrom $281

Flights to Port of Spainfrom $260

Cheap flights from St. Louis to Caribbean from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Caribbean departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from St. Louis to Caribbean

Our best Frontier deals on St. Louis to Caribbean flight tickets

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Our best Southwest deals on St. Louis to Caribbean flight tickets

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

How to get the cheapest flight ticket from St. Louis to Caribbean

What is the cheapest month to fly to Caribbean?

What is the cheapest Lambert-St Louis to Caribbean flight route?

How far in advance should I book a flight to Caribbean?

What cabin class options are available on Lambert-St Louis to Caribbean flights?

Can stopping save me money on St. Louis to Caribbean flights?

What is the cheapest airline that flies from Lambert-St Louis to Caribbean?

What airlines fly to Caribbean?

How many flights depart from St. Louis to Caribbean on average per week?

Cheap St. Louis to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Caribbean

Best Price Found

Fastest flight time

Direct flights

Airports in Caribbean

Frequently asked questions about flying from St. Louis to Caribbean

Best airlines flying from St. Louis to Caribbean

Compare and see reviews for airlines that fly from St. Louis to Caribbean with momondo

Why use momondo?

An easier way to manage your Caribbean trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Caribbean

Popular cities in Caribbean

Popular flights according to clicks in the last 7 days on momondo

St. Louis flight routes

According to popular flight searches on momondo this year

Caribbean flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Caribbean

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Caribbean

List of cabin classes available on flights landing in Caribbean. Availability may vary depending on flight origin and airline.

Complete your trip to Caribbean

Explore popular destinations other users love

According to popular flight searches on momondo this year