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Cheap flights from Caribbean Islands to St. Louis from $99

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 Islands to St. Louis departing on 4/29. 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
0 bags

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Find the cheapest flights from Caribbean Islands to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:30 am - 11:19 pm
SJU
-
STL
17h 49m
1 stop
Frontier Logo
4:55 pm - 2:01 am
STL
-
SJU
8h 06m
1 stop
$202Frontier
Wed, May 6 - Wed, May 13
Delta Logo
5:34 pm - 11:36 pm
SJU
-
STL
7h 02m
1 stop
Delta Logo
9:59 am - 8:24 pm
STL
-
SJU
9h 25m
1 stop
$216Delta
Thu, Apr 16 - Sun, Apr 19
American Airlines Logo
6:45 am - 10:59 pm
SJU
-
STL
17h 14m
1 stop
American Airlines Logo
6:29 am - 10:05 pm
STL
-
SJU
14h 36m
1 stop
$222American Airlines
Thu, Apr 16 - Sun, Apr 19
American Airlines Logo
11:59 pm - 8:54 am
SJU
-
STL
9h 55m
1 stop
American Airlines Logo
7:00 am - 8:51 pm
STL
-
SJU
12h 51m
1 stop
$242American Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
11:02 am - 6:50 am
SJU
-
STL
20h 48m
1 stop
Multiple Airlines Logo
11:21 am - 12:23 pm
STL
-
SJU
24h 02m
2 stops
$283Multiple Airlines
Fri, Apr 24 - Thu, Apr 30
Air Canada Logo
1:20 am - 3:25 pm
POS
-
STL
15h 05m
1 stop
Air Canada Logo
1:00 pm - 12:15 am
STL
-
POS
34h 15m
2 stops
$322Air Canada
Thu, Apr 16 - Sat, May 2
Air Canada Logo
1:25 am - 12:06 pm
POS
-
STL
11h 41m
1 stop
Air Canada Logo
7:05 am - 12:15 am
STL
-
POS
16h 10m
1 stop
$340Air Canada
Fri, Jun 12 - Fri, Jun 19
Multiple Airlines Logo
2:36 pm - 11:19 pm
STT
-
STL
9h 43m
1 stop
Multiple Airlines Logo
7:47 am - 1:26 pm
STL
-
STT
28h 39m
1 stop
$394Multiple Airlines
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
4:30 pm - 10:45 am
AUA
-
STL
19h 15m
2 stops
United Airlines Logo
8:15 pm - 4:40 pm
STL
-
AUA
19h 25m
2 stops
$442United Airlines
Thu, Apr 16 - Thu, Apr 23
United Airlines Logo
3:59 pm - 8:41 am
NAS
-
STL
17h 42m
1 stop
United Airlines Logo
5:41 pm - 3:56 pm
STL
-
NAS
21h 15m
2 stops
$467United Airlines
Fri, Jun 5 - Tue, Jun 9

Delta flights from Caribbean Islands to St. Louis

Our best Delta deals on Caribbean Islands to St. Louis flight tickets
Delta
Apr 16
SJU5:34 pmSan Juan Luis Munoz Marin Intl
7h 02m
1 stop
STL11:36 pmLambert-St Louis
Apr 19
STL9:59 amLambert-St Louis
9h 25m
1 stop
SJU8:24 pmSan Juan Luis Munoz Marin Intl
$216
Delta
Apr 24
SJU12:55 pmSan Juan Luis Munoz Marin Intl
11h 41m
1 stop
STL11:36 pmLambert-St Louis
Apr 30
STL11:42 amLambert-St Louis
10h 31m
1 stop
SJU11:13 pmSan Juan Luis Munoz Marin Intl
$312
Delta
Mar 22
STT12:49 pmSaint Thomas Island Cyril E King
9h 17m
1 stop
STL9:06 pmLambert-St Louis
Mar 29
STL6:00 amLambert-St Louis
6h 47m
1 stop
STT1:47 pmSaint Thomas Island Cyril E King
$839

Air Canada flights from Caribbean Islands to St. Louis

Our best Air Canada deals on Caribbean Islands to St. Louis flight tickets
Air Canada
Apr 16
POS1:20 amPort of Spain Piarco Intl
15h 05m
1 stop
STL3:25 pmLambert-St Louis
May 2
STL1:00 pmLambert-St Louis
34h 15m
2 stops
POS12:15 amPort of Spain Piarco Intl
$322
Air Canada
Jun 12
POS1:25 amPort of Spain Piarco Intl
11h 41m
1 stop
STL12:06 pmLambert-St Louis
Jun 19
STL7:05 amLambert-St Louis
16h 10m
1 stop
POS12:15 amPort of Spain Piarco Intl
$340
Air Canada
Mar 19
NAS1:15 pmNassau Intl
27h 14m
2 stops
STL3:29 pmLambert-St Louis
Mar 22
STL4:05 pmLambert-St Louis
43h 20m
2 stops
NAS12:25 pmNassau Intl
$453

momondo Fare Finder

 
Customize your flight search to find flights from Caribbean Islands 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 March 6, 2026.
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

Cheapest round-trip

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Wed 5/6

6:30 am-11:19 pm

1 stop17h 49m

Lambert-St Louis

Wed 5/13

4:55 pm-2:01 am

1 stop8h 06m

$202
Quickest round-trip

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 4/16

5:34 pm-11:36 pm

1 stop7h 02m

Lambert-St Louis

Sun 4/19

9:59 am-8:24 pm

1 stop9h 25m

$216

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 4/16

6:45 am-10:59 pm

1 stop17h 14m

Lambert-St Louis

Sun 4/19

6:29 am-10:05 pm

1 stop14h 36m

$222

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Thu 4/16

11:59 pm-8:54 am

1 stop9h 55m

Lambert-St Louis

Sun 4/19

7:00 am-8:51 pm

1 stop12h 51m

$242

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

Fri 4/24

11:02 am-6:50 am

1 stop20h 48m

Lambert-St Louis

Thu 4/30

11:21 am-12:23 pm

2 stops24h 02m

$283

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 4/16

1:20 am-3:25 pm

1 stop15h 05m

Lambert-St Louis

Sat 5/2

1:00 pm-12:15 am

2 stops34h 15m

$322

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 6/12

1:25 am-12:06 pm

1 stop11h 41m

Lambert-St Louis

Fri 6/19

7:05 am-12:15 am

1 stop16h 10m

$340

Saint Thomas IslandSt. Louis

STT - STL

STTSTL

Saint Thomas Island Cyril E King

Wed 3/18

2:36 pm-11:19 pm

1 stop9h 43m

Lambert-St Louis

Sun 3/22

7:47 am-1:26 pm

1 stop28h 39m

$394

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

Thu 4/16

4:30 pm-10:45 am

2 stops19h 15m

Lambert-St Louis

Thu 4/23

8:15 pm-4:40 pm

2 stops19h 25m

$442

NassauSt. Louis

NAS - STL

NASSTL

Nassau Intl

Fri 6/5

3:59 pm-8:41 am

1 stop17h 42m

Lambert-St Louis

Tue 6/9

5:41 pm-3:56 pm

2 stops21h 15m

$467

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 Islands 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, January is the cheapest month to fly from Caribbean Islands to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. The month of September is another great option to travel to St. Louis, with average flight prices from Caribbean Islands averaging around $298.

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

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

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

You are more likely to see cheaper flights to St. Louis from Caribbean Islands when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $399 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 Islands for as low as $269 on momondo.

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

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

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

Cheap Caribbean Islands to St. Louis flight deals and tips

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

Fastest flight time

6h 32m

Direct flights

Sun

Airports in St. Louis

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

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

    Prices for flights from Caribbean Islands to Lambert-St Louis Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Caribbean Islands to Lambert-St Louis Airport.

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

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Caribbean Islands to St. Louis?

Best airlines flying from Caribbean Islands to St. Louis

Compare and see reviews for airlines that fly from Caribbean Islands to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $84Free CancellationRating
5.7
3,041 reviews
Search Frontier flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,258 reviews
Search Delta flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,393 reviews
Search American Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,309 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

Why use momondo?

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

Finding the right flight to St. Louis from Caribbean Islands is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to St. Louis from Caribbean Islands which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Caribbean Islands to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Caribbean Islands to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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