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Cheap flights from Caribbean Islands to St. Louis from $108

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 11/8. 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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0 bags

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Find the cheapest flights from Caribbean Islands to St. Louis

Cheap round-trip flights

Delta Logo
5:43 pm - 11:41 pmSJU-STL
6h 58m1 stop
Delta Logo
1:30 pm - 9:59 pmSTL-SJU
7h 29m1 stop
$225Delta
Find Deal
jue., oct. 23 - lun., oct. 27
American Airlines Logo
5:30 am - 4:03 pmSJU-STL
11h 33m1 stop
American Airlines Logo
6:00 am - 11:52 pmSTL-SJU
15h 52m1 stop
$229American Airlines
Find Deal
mié., oct. 29 - lun., nov. 3
American Airlines Logo
2:35 pm - 11:56 pmSJU-STL
10h 21m1 stop
American Airlines Logo
8:13 am - 5:05 pmSTL-SJU
6h 52m1 stop
$230American Airlines
Find Deal
mié., oct. 29 - lun., nov. 3
United Airlines Logo
8:35 am - 2:30 pmSJU-STL
7h 55m1 stop
United Airlines Logo
9:57 am - 10:22 pmSTL-SJU
10h 25m2 stops
$248United Airlines
Find Deal
jue., ene. 29 - dom., feb. 1
United Airlines Logo
1:05 am - 10:49 amSJU-STL
10h 44m2 stops
United Airlines Logo
6:30 am - 2:40 pmSTL-SJU
7h 10m1 stop
$264United Airlines
Find Deal
mié., oct. 22 - dom., oct. 26
Frontier Logo
3:55 am - 8:45 amSJU-STL
6h 50m1 stop
Frontier Logo
5:11 pm - 2:50 amSTL-SJU
7h 39m1 stop
$268Frontier
Find Deal
jue., dic. 4 - dom., dic. 7
Frontier Logo
3:59 am - 10:20 amSJU-STL
8h 21m1 stop
Frontier Logo
10:25 am - 9:24 pmSTL-SJU
8h 59m1 stop
$276Frontier
Find Deal
jue., nov. 13 - lun., nov. 17
Southwest Logo
6:10 am - 2:10 pmSJU-STL
10h 00m2 stops
Southwest Logo
5:00 am - 4:55 pmSTL-SJU
9h 55m2 stops
$345Southwest
Find Deal
jue., feb. 19 - dom., feb. 22
Southwest Logo
5:40 am - 12:45 pmSJU-STL
9h 05m2 stops
Southwest Logo
7:50 am - 7:20 pmSTL-SJU
9h 30m2 stops
$438Southwest
Find Deal
jue., ene. 29 - dom., feb. 1
Delta Logo
4:35 pm - 10:04 pmAUA-STL
7h 29m1 stop
Delta Logo
7:02 pm - 1:55 pmSTL-AUA
16h 53m2 stops
$504Delta
Find Deal
mar., nov. 4 - lun., nov. 10

Frontier flights from Caribbean Islands to St. Louis

Our best Frontier deals on Caribbean Islands to St. Louis flight tickets
Frontier
Dec 4
SJU3:55 amSan Juan Luis Munoz Marin Intl
6h 50m
1 stop
STL8:45 amLambert-St Louis
Dec 7
STL5:11 pmLambert-St Louis
7h 39m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$268
Find similar
Frontier
Nov 13
SJU3:59 amSan Juan Luis Munoz Marin Intl
8h 21m
1 stop
STL10:20 amLambert-St Louis
Nov 17
STL10:25 amLambert-St Louis
8h 59m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
$276
Find similar
Frontier
Feb 19
SJU9:37 pmSan Juan Luis Munoz Marin Intl
12h 13m
1 stop
STL7:50 amLambert-St Louis
Feb 23
STL5:11 pmLambert-St Louis
7h 39m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$284
Find similar

American Airlines flights from Caribbean Islands to St. Louis

Our best American Airlines deals on Caribbean Islands to St. Louis flight tickets
American Airlines
Oct 29
SJU5:30 amSan Juan Luis Munoz Marin Intl
11h 33m
1 stop
STL4:03 pmLambert-St Louis
Nov 3
STL6:00 amLambert-St Louis
15h 52m
1 stop
SJU11:52 pmSan Juan Luis Munoz Marin Intl
$229
Find similar
American Airlines
Oct 29
SJU2:35 pmSan Juan Luis Munoz Marin Intl
10h 21m
1 stop
STL11:56 pmLambert-St Louis
Nov 3
STL8:13 amLambert-St Louis
6h 52m
1 stop
SJU5:05 pmSan Juan Luis Munoz Marin Intl
$230
Find similar
American Airlines
Feb 19
SJU4:15 pmSan Juan Luis Munoz Marin Intl
7h 29m
1 stop
STL9:44 pmLambert-St Louis
Feb 23
STL11:18 amLambert-St Louis
9h 17m
2 stops
SJU10:35 pmSan Juan Luis Munoz Marin Intl
$285
Find similar

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 septiembre 18, 2025.
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

jue. 10/23

5:43 pm-11:41 pm

1 stop6h 58m

Lambert-St Louis

lun. 10/27

1:30 pm-9:59 pm

1 stop7h 29m

$225

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mié. 10/29

5:30 am-4:03 pm

1 stop11h 33m

Lambert-St Louis

lun. 11/3

6:00 am-11:52 pm

1 stop15h 52m

$229

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mié. 10/29

2:35 pm-11:56 pm

1 stop10h 21m

Lambert-St Louis

lun. 11/3

8:13 am-5:05 pm

1 stop6h 52m

$230

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 1/29

8:35 am-2:30 pm

1 stop7h 55m

Lambert-St Louis

dom. 2/1

9:57 am-10:22 pm

2 stops10h 25m

$248

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

mié. 10/22

1:05 am-10:49 am

2 stops10h 44m

Lambert-St Louis

dom. 10/26

6:30 am-2:40 pm

1 stop7h 10m

$264

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 12/4

3:55 am-8:45 am

1 stop6h 50m

Lambert-St Louis

dom. 12/7

5:11 pm-2:50 am

1 stop7h 39m

$268

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 11/13

3:59 am-10:20 am

1 stop8h 21m

Lambert-St Louis

lun. 11/17

10:25 am-9:24 pm

1 stop8h 59m

$276

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 2/19

6:10 am-2:10 pm

2 stops10h 00m

Lambert-St Louis

dom. 2/22

5:00 am-4:55 pm

2 stops9h 55m

$345

San JuanSt. Louis

SJU - STL

SJUSTL

San Juan Luis Munoz Marin Intl

jue. 1/29

5:40 am-12:45 pm

2 stops9h 05m

Lambert-St Louis

dom. 2/1

7:50 am-7:20 pm

2 stops9h 30m

$438

OranjestadSt. Louis

AUA - STL

AUASTL

Oranjestad Reina Beatrix

mar. 11/4

4:35 pm-10:04 pm

1 stop7h 29m

Lambert-St Louis

lun. 11/10

7:02 pm-1:55 pm

2 stops16h 53m

$504

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 $286. The month of April is another great option to travel to St. Louis, with average flight prices from Caribbean Islands averaging around $326.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $349. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $624. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Caribbean Islands in the evening is the least expensive time of day to depart. momondo users have found prices as low as $282 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $640 per ticket.

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

Fly from San Juan Luis Munoz Marin Intl 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 $397 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 $245 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

5h 10m

Direct flights

Sun

Airports in St. Louis

1 airport
The fastest flight from Caribbean Islands to St. Louis takes 5h 10m
Direct flights go from Caribbean Islands to St. Louis on Sunday. There are no airlines offering direct flights.
There is 1 airport near St. Louis: 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 $128Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
DeltaPriceFrom $212Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $255Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,242 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
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

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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