$58 Find Cheap Flights from Caribbean Islands to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$148
Overall average: $256
Frontier
Thu 1/15Mon 1/19
SJU - STL • 1 stop
Cheapest one-way
$58
Typical prices: $169-$407
Frontier
Wed 1/28
SJU - STL • 1 stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Caribbean Islands to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Caribbean Islands to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Caribbean Islands to St. Louis

Thu, Jan 15 - Mon, Jan 19
Frontier Logo
9:04 pm - 7:54 am
SJU
-
STL
12h 50m1 stop
Frontier Logo
12:47 pm - 2:30 am
STL
-
SJU
11h 43m1 stop
$148Frontier
Thu, Feb 12 - Thu, Feb 19
Frontier Logo
7:04 pm - 8:43 pm
SJU
-
STL
27h 39m1 stop
Frontier Logo
3:49 pm - 2:53 am
STL
-
SJU
9h 04m1 stop
$169Frontier
Thu, Mar 26 - Mon, Mar 30
American Airlines Logo
2:59 pm - 11:52 pm
SJU
-
STL
9h 53m1 stop
American Airlines Logo
6:20 pm - 10:56 am
STL
-
SJU
15h 36m1 stop
$225American Airlines
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
7:07 am - 4:14 pm
SJU
-
STL
11h 07m1 stop
American Airlines Logo
6:00 am - 5:03 pm
STL
-
SJU
9h 03m2 stops
$229American Airlines
Mon, Feb 2 - Fri, Feb 6
Frontier Logo
4:36 pm - 11:33 pm
SJU
-
STL
8h 57m1 stop
Frontier Logo
8:22 pm - 10:39 am
STL
-
SJU
12h 17m1 stop
$266Frontier
Sun, Dec 28 - Fri, Jan 2
Frontier Logo
3:55 am - 9:45 am
SJU
-
STL
7h 50m1 stop
Frontier Logo
9:07 am - 12:54 am
STL
-
SJU
13h 47m1 stop
$268Frontier
Mon, Feb 2 - Fri, Feb 6
Multiple Airlines Logo
8:05 pm - 11:33 pm
SJU
-
STL
29h 28m1 stop
Multiple Airlines Logo
8:22 pm - 6:58 pm
STL
-
SJU
20h 36m2 stops
$272Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Delta Logo
7:30 am - 6:02 pm
SJU
-
STL
11h 32m1 stop
Delta Logo
9:00 am - 8:06 pm
STL
-
SJU
10h 06m1 stop
$296Delta
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
3:35 pm - 9:13 pm
NAS
-
STL
6h 38m1 stop
United Airlines Logo
6:30 am - 3:22 pm
STL
-
NAS
7h 52m1 stop
$361United Airlines
Thu, Jan 22 - Sun, Jan 25
United Airlines Logo
5:50 pm - 11:02 am
AUA
-
STL
19h 12m2 stops
United Airlines Logo
6:40 pm - 4:50 pm
STL
-
AUA
20h 10m2 stops
$362United Airlines
Useful Info

Good to know

Low seasonNovember
Cheapest flight$58
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from San Juan to St. Louis

FAQs for booking flights from Caribbean Islands to St. Louis

  • How does KAYAK find such low prices on flights from Caribbean Islands to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Caribbean Islands to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Caribbean Islands to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Caribbean Islands is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Caribbean Islands to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Caribbean Islands with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Caribbean Islands to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Caribbean Islands up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Caribbean Islands to St. Louis

 
Need help choosing which airline to fly with from Caribbean Islands to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9092 reviews
7.1Entertainment
6.6Food
7.3Comfort
8.1Crew
7.7Boarding
Airline reviews

The flight was on time. I generally don’t drink or eat on short flights and the seats were good and the flight attendants were friendly. That’s all I expect

10.0 ExcellentRoger, Dec 2025
CAE - ORD
Read more United Airlines reviews

The flight was on time. I generally don’t drink or eat on short flights and the seats were good and the flight attendants were friendly. That’s all I expect

Movie selection is good. Crew did not understand mileage program and were no help. Sick later. Food?

Staff on board was excellent. Positive upbeat helpful- like it used to be.

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

For an expensive flight to another country, United has a lot of nerve serving pretzels and no meals (unless, of course, you want to buy something to eat). Unacceptable.

The food is terrible. The same pasta or chicken with bad taste and presentation

United have really come back. Airport and boarding process is clear and good, app and information also very good

The Sears in the 800s are not too good perfect Airbus why cant the new 737 fix that

Flight was delayed 8 times. We were sitting at the airport for 14 hours. We got 2 hours of sleep (if that) on what was not meant to be a red-eye.

It was probably one of the worst flights I’ve been on. The restrooms were never cleaned or stocked. The food was very subpar, and i usually enjoy airline food, so I was disappointed. It was just all around a bad experience. The only saving grace was the flight attendants.

Gate was overcrowded. Gate agents performed very well. Flight crew was top notch! Efficient & professional & courteous. Both meals not thermalized well. Dinner main dish was actually cold in the center. Almost inedible. Breakfast sandwich was lukewarm.

The boarding was as always, the crew tried their best but not enough. The food was a disaster I had dietary restrictions that were half met because the company did not loaded the food for the flight. The entertainment screen was fine but content was not and also they removed the free messaging option from the flight and they charged 30 dollars for that crappy bandwidth. This flight is not worth the cost and the company is going down on quality.

Awful. They won’t help me with anything. I booked on American but they abdicated to Iberia. The ticket was overpriced. Everything negative

it was fine, decent flight... dont get food besides cookies or pretzels so not sure why you ask about food. same for entertainment..

I got sick nothing contagious but distressing and the care I received by Kayla? Keighly the flight attendant will be memorable for ever. Thank You

I got sick nothing contagious but distressing enough and the care I received on the flight was astounding.

Waaay too small plane. They also need to up the size of the overhead bins. I would love to keep me 3k with of camera equipment in my hard case baggahe instead of it being thrown into the belly of the plane

Attendants were pleasant and the flight was smooth and relaxed.

A little late at the start but all worked out well.

It was fine. No drinks nor snacks offered though. I thought that was unusual.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis