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

Delta, American Airlines, 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 June 2026, 7 flights take off from St. Louis and land in Caribbean each week. The most common flight departure day for this route is Sat, with 57% 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 51% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 5 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, 1 flights take off from St. Louis and land in Caribbean each day. The most common flight departure time for this route is 10:00AM, with 100% of daily flights taking off at noon.

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 June 2026, there are 5 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.

$158 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.

6:15 am - 3:42 pm

STL

SJU

8h 27m

1 stop

1:00 am - 12:13 pm

SJU

STL

12h 13m

2 stops

$316United Airlines

Sat, Oct 17 - Tue, Oct 20

10:22 am - 11:43 pm

STL

SJU

12h 21m

1 stop

7:24 pm - 10:45 am

SJU

STL

16h 21m

1 stop

$326American Airlines

Sat, Aug 22 - Mon, Aug 31

2:25 pm - 11:50 pm

STL

SJU

8h 25m

1 stop

5:00 am - 10:40 am

SJU

STL

6h 40m

1 stop

$346Southwest

Thu, Sep 10 - Mon, Sep 14

8:55 am - 9:45 am

STL

GCM

24h 50m

1 stop

12:25 pm - 2:02 pm

GCM

STL

25h 37m

1 stop

$393Air Canada

Fri, Aug 28 - Mon, Aug 31

6:00 am - 1:49 pm

STL

NAS

6h 49m

1 stop

4:55 pm - 11:39 pm

NAS

STL

7h 44m

1 stop

$416Delta

Sun, Nov 8 - Tue, Nov 10

2:18 pm - 11:35 am

STL

NAS

20h 17m

2 stops

4:55 pm - 11:39 pm

NAS

STL

7h 44m

1 stop

$420Delta

Mon, Nov 9 - Fri, Nov 13

8:55 am - 9:45 am

STL

GCM

24h 50m

1 stop

12:25 pm - 6:42 pm

GCM

STL

54h 17m

2 stops

$433Air Canada

Fri, Aug 28 - Mon, Aug 31

4:57 pm - 10:36 am

STL

PUJ

16h 39m

2 stops

3:39 pm - 8:52 am

PUJ

STL

18h 13m

1 stop

$463Frontier

Wed, Aug 12 - Tue, Aug 25

6:34 pm - 2:21 pm

STL

PUJ

18h 47m

1 stop

3:31 pm - 5:37 pm

PUJ

STL

27h 06m

1 stop

$485Frontier

Tue, Aug 11 - Sat, Aug 15

8:00 pm - 2:45 pm

STL

AUA

17h 45m

2 stops

3:45 pm - 11:15 pm

AUA

STL

8h 30m

1 stop

$566Southwest

Sun, Jul 12 - Thu, Jul 16

Frontier flights from St. Louis to Caribbean

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

Frontier

Sep 3

STL4:10 pmLambert-St Louis

8h 44m

1 stop

SJU1:54 amSan Juan Luis Munoz Marin Intl

Sep 7

SJU4:05 pmSan Juan Luis Munoz Marin Intl

9h 09m

1 stop

STL12:14 amLambert-St Louis

$371

Frontier

Jul 1

STL4:17 pmLambert-St Louis

8h 52m

1 stop

SJU2:09 amSan Juan Luis Munoz Marin Intl

Jul 8

SJU8:37 pmSan Juan Luis Munoz Marin Intl

28h 22m

1 stop

STL11:59 pmLambert-St Louis

$376

Frontier

Jul 20

STL4:09 pmLambert-St Louis

18h 07m

1 stop

SJU11:16 amSan Juan Luis Munoz Marin Intl

Jul 29

SJU7:34 amSan Juan Luis Munoz Marin Intl

17h 25m

2 stops

STL11:59 pmLambert-St Louis

$389

American Airlines flights from St. Louis to Caribbean

Our best American Airlines deals on St. Louis to Caribbean flight tickets

American Airlines

Aug 22

STL10:22 amLambert-St Louis

12h 21m

1 stop

SJU11:43 pmSan Juan Luis Munoz Marin Intl

Aug 31

SJU7:24 pmSan Juan Luis Munoz Marin Intl

16h 21m

1 stop

STL10:45 amLambert-St Louis

$326

American Airlines

Aug 12

STL8:34 amLambert-St Louis

12h 21m

2 stops

SJU9:55 pmSan Juan Luis Munoz Marin Intl

Aug 15

SJU7:20 pmSan Juan Luis Munoz Marin Intl

16h 25m

1 stop

STL10:45 amLambert-St Louis

$331

American Airlines

Aug 21

STL8:34 amLambert-St Louis

14h 25m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Aug 25

SJU3:47 pmSan Juan Luis Munoz Marin Intl

9h 27m

2 stops

STL12:14 amLambert-St Louis

$336

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 10/17

6:15 am-3:42 pm

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Tue 10/20

1:00 am-12:13 pm

2 stops12h 13m

$316

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Sat 8/22

10:22 am-11:43 pm

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Mon 8/31

7:24 pm-10:45 am

1 stop16h 21m

$326

St. LouisSan Juan

STL - SJU

STLSJU

Lambert-St Louis

Thu 9/10

2:25 pm-11:50 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Mon 9/14

5:00 am-10:40 am

1 stop6h 40m

$346

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Fri 8/28

8:55 am-9:45 am

1 stop24h 50m

George Town Owen Roberts Intl

Mon 8/31

12:25 pm-2:02 pm

1 stop25h 37m

$393

Quickest round-trip

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Sun 11/8

6:00 am-1:49 pm

1 stop6h 49m

Nassau Intl

Tue 11/10

4:55 pm-11:39 pm

1 stop7h 44m

$416

St. LouisNassau

STL - NAS

STLNAS

Lambert-St Louis

Mon 11/9

2:18 pm-11:35 am

2 stops20h 17m

Nassau Intl

Fri 11/13

4:55 pm-11:39 pm

1 stop7h 44m

$420

St. LouisGeorge Town

STL - GCM

STLGCM

Lambert-St Louis

Fri 8/28

8:55 am-9:45 am

1 stop24h 50m

George Town Owen Roberts Intl

Mon 8/31

12:25 pm-6:42 pm

2 stops54h 17m

$433

St. LouisPunta Cana

STL - PUJ

STLPUJ

Lambert-St Louis

Wed 8/12

4:57 pm-10:36 am

2 stops16h 39m

Punta Cana

Tue 8/25

3:39 pm-8:52 am

1 stop18h 13m

$463

St. LouisPunta Cana

STL - PUJ

STLPUJ

Lambert-St Louis

Tue 8/11

6:34 pm-2:21 pm

1 stop18h 47m

Punta Cana

Sat 8/15

3:31 pm-5:37 pm

1 stop27h 06m

$485

St. LouisOranjestad

STL - AUA

STLAUA

Lambert-St Louis

Sun 7/12

8:00 pm-2:45 pm

2 stops17h 45m

Oranjestad Reina Beatrix

Thu 7/16

3:45 pm-11:15 pm

1 stop8h 30m

$566

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, July 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 $104. If you don’t want to visit Caribbean in July, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $113.

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 from St. Louis 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 $424 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 $346 on momondo.

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

There is only 1 cabin class available to choose from on 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 27% 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	$571
Fastest flight time	3h 30m
Direct flights	Tue, Thu, Sat and Sun
Airports in Caribbean	195 airports

The best flight deal from St. Louis to Caribbean found on momondo in the last 72 hours is $571

The fastest flight from St. Louis to Caribbean takes 3h 30m

Direct flights go from St. Louis to Caribbean on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

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 June 2026, there are 5 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 60.40% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 14.85%, Boeing 737-800 Passenger/BBJ2 (winglets) at 6.93%, and Boeing 737 at 5.94%.

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 5.6 2,905 reviews	Search Frontier flights
Delta	PriceFrom $174	Free Cancellation	Rating 7.9 8,396 reviews	Search Delta flights
Southwest	PriceFrom $220	Free Cancellation	Rating 7.9 4,251 reviews	Search Southwest flights
United Airlines	PriceFrom $225	Free Cancellation	Rating 7.4 9,781 reviews	Search United Airlines flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.1 11,640 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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Popular cities

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Other flights to Caribbean

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Complete your trip

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Popular cities in Caribbean

Flights to San Juanfrom $158

Flights to Punta Canafrom $234

Flights to Santo Domingofrom $239

Flights to Montego Bayfrom $312

Flights to Oranjestadfrom $327

Flights to Nassaufrom $258

Flights to Santiago de los Caballerosfrom $348

Flights to Kingstonfrom $381

Flights to Simpson Bayfrom $310

Flights to Saint Thomas Islandfrom $230

Flights to Port of Spainfrom $276

Flights to Willemstadfrom $326

Cheap flights from St. Louis to Caribbean from $158

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 8/25. 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

American Airlines flights from St. Louis to Caribbean

Our best American Airlines 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 from St. Louis to Caribbean?

What cabin class options are available on 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 day?

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