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Cheap flights from Caribbean to St. Louis from $142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Caribbean to St. Louis departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Caribbean to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:33 am - 10:40 pm
SJU
-
STL
13h 07m
1 stop
American Airlines Logo
5:23 am - 2:53 pm
STL
-
SJU
8h 30m
1 stop
$332American Airlines
Fri, Aug 28 - Sun, Aug 30
Southwest Logo
8:55 pm - 7:45 am
SJU
-
STL
11h 50m
1 stop
Southwest Logo
9:35 am - 7:00 pm
STL
-
SJU
8h 25m
1 stop
$336Southwest
Thu, Aug 13 - Tue, Aug 25
Frontier Logo
5:15 pm - 8:57 am
SJU
-
STL
16h 42m
1 stop
Frontier Logo
6:17 pm - 2:28 pm
STL
-
SJU
43h 11m
2 stops
$342Frontier
Thu, Aug 13 - Fri, Aug 28
Frontier Logo
5:15 pm - 8:57 am
SJU
-
STL
16h 42m
1 stop
Frontier Logo
6:33 pm - 2:29 pm
STL
-
SJU
42h 56m
2 stops
$343Frontier
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
7:30 am - 1:02 pm
SJU
-
STL
6h 32m
1 stop
American Airlines Logo
10:44 am - 9:55 pm
STL
-
SJU
10h 11m
2 stops
$344American Airlines
Thu, Aug 13 - Tue, Aug 25
Frontier Logo
5:15 pm - 8:57 am
SJU
-
STL
16h 42m
1 stop
Frontier Logo
6:34 pm - 12:41 am
STL
-
SJU
29h 07m
2 stops
$359Frontier
Tue, Jul 21 - Tue, Jul 28
Delta Logo
5:50 pm - 11:53 pm
SJU
-
STL
7h 03m
1 stop
Delta Logo
1:22 pm - 10:30 pm
STL
-
SJU
8h 08m
1 stop
$367Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
1:21 pm - 11:53 pm
STT
-
STL
11h 32m
1 stop
Delta Logo
7:08 am - 3:20 pm
STL
-
STT
7h 12m
1 stop
$688Delta
Wed, Jul 8 - Tue, Jul 14
United Airlines Logo
12:30 am - 10:07 am
POS
-
STL
10h 37m
1 stop
United Airlines Logo
2:57 pm - 11:23 pm
STL
-
POS
31h 26m
1 stop
$690United Airlines
Thu, Jul 16 - Sun, Aug 2
United Airlines Logo
12:30 am - 8:40 pm
POS
-
STL
21h 10m
1 stop
United Airlines Logo
11:10 am - 11:23 pm
STL
-
POS
11h 13m
1 stop
$764United Airlines
Thu, Jul 9 - Fri, Jul 24

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Southwest flights from Caribbean to St. Louis

Our best Southwest deals on Caribbean to St. Louis flight tickets
Southwest
Aug 13
SJU8:55 pmSan Juan Luis Munoz Marin Intl
11h 50m
1 stop
STL7:45 amLambert-St Louis
Aug 25
STL9:35 amLambert-St Louis
8h 25m
1 stop
SJU7:00 pmSan Juan Luis Munoz Marin Intl
$336
Southwest
Jun 28
SJU4:30 pmSan Juan Luis Munoz Marin Intl
7h 20m
1 stop
STL10:50 pmLambert-St Louis
Jul 12
STL10:15 amLambert-St Louis
13h 30m
2 stops
SJU12:45 amSan Juan Luis Munoz Marin Intl
$587
Southwest
Jun 27
SJU9:25 pmSan Juan Luis Munoz Marin Intl
12h 00m
1 stop
STL8:25 amLambert-St Louis
Jul 4
STL10:30 amLambert-St Louis
4h 30m
SJU4:00 pmSan Juan Luis Munoz Marin Intl
$607

Frontier flights from Caribbean to St. Louis

Our best Frontier deals on Caribbean to St. Louis flight tickets
Frontier
Aug 13
SJU5:15 pmSan Juan Luis Munoz Marin Intl
16h 42m
1 stop
STL8:57 amLambert-St Louis
Aug 28
STL6:17 pmLambert-St Louis
43h 11m
2 stops
SJU2:28 pmSan Juan Luis Munoz Marin Intl
$342
Frontier
Aug 13
SJU5:15 pmSan Juan Luis Munoz Marin Intl
16h 42m
1 stop
STL8:57 amLambert-St Louis
Aug 25
STL6:33 pmLambert-St Louis
42h 56m
2 stops
SJU2:29 pmSan Juan Luis Munoz Marin Intl
$343
Frontier
Jul 21
SJU5:15 pmSan Juan Luis Munoz Marin Intl
16h 42m
1 stop
STL8:57 amLambert-St Louis
Jul 28
STL6:34 pmLambert-St Louis
29h 07m
2 stops
SJU12:41 amSan Juan Luis Munoz Marin Intl
$359

momondo Fare Finder

 
Customize your flight search to find flights from Caribbean to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Caribbean to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 8/28

10:33 am-10:40 pm

1 stop13h 07m

Lambert-St Louis

Sun 8/30

5:23 am-2:53 pm

1 stop8h 30m

$332

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 8/13

8:55 pm-7:45 am

1 stop11h 50m

Lambert-St Louis

Tue 8/25

9:35 am-7:00 pm

1 stop8h 25m

$336

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 8/13

5:15 pm-8:57 am

1 stop16h 42m

Lambert-St Louis

Fri 8/28

6:17 pm-2:28 pm

2 stops43h 11m

$342

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 8/13

5:15 pm-8:57 am

1 stop16h 42m

Lambert-St Louis

Tue 8/25

6:33 pm-2:29 pm

2 stops42h 56m

$343

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 8/13

7:30 am-1:02 pm

1 stop6h 32m

Lambert-St Louis

Tue 8/25

10:44 am-9:55 pm

2 stops10h 11m

$344

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Tue 7/21

5:15 pm-8:57 am

1 stop16h 42m

Lambert-St Louis

Tue 7/28

6:34 pm-12:41 am

2 stops29h 07m

$359
Quickest round-trip

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 7/10

5:50 pm-11:53 pm

1 stop7h 03m

Lambert-St Louis

Tue 7/14

1:22 pm-10:30 pm

1 stop8h 08m

$367

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 7/8

1:21 pm-11:53 pm

1 stop11h 32m

Lambert-St Louis

Tue 7/14

7:08 am-3:20 pm

1 stop7h 12m

$688

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 7/16

12:30 am-10:07 am

1 stop10h 37m

Lambert-St Louis

Sun 8/2

2:57 pm-11:23 pm

1 stop31h 26m

$690

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 7/9

12:30 am-8:40 pm

1 stop21h 10m

Lambert-St Louis

Fri 7/24

11:10 am-11:23 pm

1 stop11h 13m

$764

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

What is the cheapest month to fly to St. Louis?

In general, December is the cheapest month to fly from Caribbean to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $84. The month of February is another great option to travel to St. Louis, with average flight prices from Caribbean averaging around $138.

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

Fly from Punta Cana to Lambert-St Louis for the best Caribbean - Lambert-St Louis flight prices

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

You are more likely to see cheaper flights to St. Louis from Caribbean when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Caribbean for as low as $168 on momondo.

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

There is only 1 cabin class available to choose from on Caribbean to St. Louis 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 Caribbean to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Caribbean to St. Louis.

Cheap Caribbean to St. Louis flight deals and tips

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

Fastest flight time

6h 32m

Direct flights

Sun

Airports in St. Louis

1 airport
The fastest flight from Caribbean to St. Louis takes 6h 32m
Direct flights go from Caribbean to St. Louis on Sunday. There are no airlines offering direct flights.
There is 1 airport in St. Louis. From Caribbean there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Caribbean to St. Louis

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

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

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

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

    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 Caribbean to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport 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 Caribbean to St. Louis?

Best airlines flying from Caribbean to St. Louis

Compare and see reviews for airlines that fly from Caribbean to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $84Free CancellationRating
5.6
2,876 reviews
Search Frontier flights
DeltaPriceFrom $205Free CancellationRating
7.8
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,722 reviews
Search American Airlines flights
SouthwestPriceFrom $342Free CancellationRating
7.9
4,243 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Caribbean.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Caribbean with this policy.

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

Once you have performed a search for Caribbean to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to St. Louis from Caribbean. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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