$71 Find Cheap Flights from St. Louis to Caribbean

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Caribbean departing on 10/20. 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.
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Best Caribbean Flight Deals from St. Louis

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Punta Cana
Punta Cana1 stop$352
Santo Domingo
Santo Domingo1 stop$396
Montego Bay
Montego Bay1 stop$354
Oranjestad
Oranjestad1 stop$388
Nassau
Nassau1 stop$305
Kingston
Kingston1 stop$440
Simpson Bay
Simpson Bay2 stops$592
Providenciales
Providenciales1 stop$398
Port of Spain
Port of Spain1 stop$547
Bridgetown
Bridgetown1 stop$521
George Town
George Town1 stop$369
Willemstad
Willemstad2 stops$480
St. John's
St. John's2 stops$675
Puerto Plata
Puerto Plata1 stop$605
Aguadilla
Aguadilla1 stop$304
Punta Cana
Punta Cana1 stop$352
Santo Domingo
Santo Domingo1 stop$396
Montego Bay
Montego Bay1 stop$354
Oranjestad
Oranjestad1 stop$388
Nassau
Nassau1 stop$305
Kingston
Kingston1 stop$440
Simpson Bay
Simpson Bay2 stops$592
Providenciales
Providenciales1 stop$398
Port of Spain
Port of Spain1 stop$547
Bridgetown
Bridgetown1 stop$521
George Town
George Town1 stop$369
Willemstad
Willemstad2 stops$480
St. John's
St. John's2 stops$675
Puerto Plata
Puerto Plata1 stop$605
Aguadilla
Aguadilla1 stop$304

Cheap Flights from St. Louis to Caribbean

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Caribbean 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 St. Louis to Caribbean

Tue, Sep 16 - Sun, Sep 21
Southwest Logo
2:15 pm - 10:30 pmSTL-SJU
7h 15m1 stop
Southwest Logo
10:30 pm - 10:40 amSJU-STL
13h 10m1 stop
$175Southwest
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Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
7:23 am - 11:37 pmSTL-SJU
15h 14m2 stops
American Airlines Logo
7:00 am - 6:36 pmSJU-STL
12h 36m2 stops
$197American Airlines
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Sun, Nov 16 - Sat, Nov 22
Delta Logo
7:20 am - 5:15 pmSTL-SJU
7h 55m1 stop
Delta Logo
4:30 pm - 11:02 pmSJU-STL
8h 32m1 stop
$205Delta
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Mon, Sep 15 - Mon, Sep 22
Delta Logo
11:04 am - 10:00 pmSTL-SJU
9h 56m1 stop
Delta Logo
5:41 pm - 11:24 pmSJU-STL
6h 43m1 stop
$212Delta
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Fri, Oct 17 - Sun, Oct 19
Spirit Airlines Logo
8:44 am - 4:46 pmSTL-SJU
7h 02m1 stop
Spirit Airlines Logo
2:14 pm - 7:49 amSJU-STL
18h 35m2 stops
$229Spirit Airlines
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Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
6:30 am - 2:44 pmSTL-SJU
7h 14m1 stop
United Airlines Logo
1:05 am - 10:49 amSJU-STL
10h 44m2 stops
$232United Airlines
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Fri, Aug 8 - Thu, Aug 14
Spirit Airlines Logo
10:47 am - 11:32 amSTL-SJU
23h 45m1 stop
Spirit Airlines Logo
4:12 pm - 1:32 pmSJU-STL
22h 20m1 stop
$239Spirit Airlines
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Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
10:30 am - 9:00 pmSTL-SJU
8h 30m1 stop
United Airlines Logo
2:05 am - 12:13 pmSJU-STL
12h 08m2 stops
$245United Airlines
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Tue, Aug 12 - Fri, Aug 15
Frontier Logo
5:40 pm - 6:02 pmSTL-SJU
23h 22m1 stop
Frontier Logo
3:34 am - 11:47 pmSJU-STL
21h 13m1 stop
$250Frontier
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Sun, Aug 17 - Wed, Aug 20
Frontier Logo
5:40 pm - 6:59 pmSTL-SJU
24h 19m1 stop
Frontier Logo
8:13 pm - 1:07 pmSJU-STL
17h 54m1 stop
$258Frontier
Find Deal
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KAYAK's insights & trends for St. Louis to Caribbean flights

Get data-powered insights and trends into flights from St. Louis to Caribbean to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest St. Louis to Caribbean flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from St. Louis to Caribbean.

The cheapest ticket to Caribbean from St. Louis found in the last 72 hours was to Punta Cana, at $370 round-trip. The most popular route is from St. Louis (STL) to Punta Cana (PUJ), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $370.

Can I save money by flying with a layover from St. Louis to Caribbean?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $516, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Caribbean, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Caribbean is September, when tickets cost $332 (return) on average. On the other hand, the most expensive months are July and December, when the average cost of round-trip tickets is $545 and $529 respectively.

What’s the cheapest day of the week to fly from St. Louis to Caribbean?

The average price of all round-trip flights from St. Louis to Caribbean clicked on KAYAK for each day over the last 12 months.

When flying from St. Louis to Caribbean, you should consider leaving on a Wednesday and avoid Saturdays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Tuesdays and the most expensive ones on Saturdays.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Caribbean, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Caribbean, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.


Good to know

Low seasonSeptember
High seasonJuly
Cheapest flight$71
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from St. Louis to San Juan

FAQs - booking Caribbean flights

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

    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 St. Louis to Caribbean.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Caribbean 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 St. Louis to Caribbean?

    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 from St. Louis to Caribbean with an airline and back with another airline.

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

    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 from St. Louis to Caribbean up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Caribbean?

    The cheapest time of day to fly to Caribbean is generally at night, when round-trip flights cost $310 on average. Morning departures are around 80% more expensive than evening flights, on average. The most expensive time of day to fly to Caribbean is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $660.

Reviews of the top 5 airlines serving from St. Louis to Caribbean

 
Need help choosing which airline to fly with from St. Louis to Caribbean? 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.
8.0
SouthwestOverall score based on 4252 reviews
8.0Comfort
7.0Food
8.6Crew
8.1Boarding
7.6Entertainment
Airline reviews

It was one and half hour late... Not sure if any other experience matters.

4.0 OkaySudhir, Jul 2025LGA - MCI
Read more Southwest reviews

It was one and half hour late... Not sure if any other experience matters.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

For my birthday trip this was my second time ever flying, this trip was the best.

after landing, we stay 2 hours on the taxi way before reaching the gate The airline and the crew were good though

No trays in our seats, we sat in first row, purchased a business class fare. Had to hold our drinks and snack in our hands. No plugs for our cell phones. Had to pay for it a drink cocktail each. Seats so uncomfortable.

Flight wasn’t even full, but too many carry-ons caused us to run out of bin space. New bag fee has folks who would usually check their bags carrying on. Watching Southwest morph into Spirit/Frontier is so sad to watch

Sat on tarmac for 2 hours and then missed my connecting flight

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

Everything was on time. I was disappointed by the front section female, African American flight attendant. I did not see her name tag or would have identified by name not race. As passengers moved to the bathroom early in flight, she would say with a disdainful tone “I have to say the seat belt light is on” then go back to her book. Better trained flight attendants say something like be careful the seat belt light is on.

Cluster mess boarding. Can't wait for SWA reserved seating. Internet didn't seem to work on the plane.

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

No one fussed at me about my pap machine as a 3rd pice on the plane. Boarding was pleasant and smooth. The boarding agent in Anchorage was a fun character- he could be in a movie. :~) The on-board crew were downright pleasant. No militant attitudes on Delta. Like all planes these days the seats are too narrow for standard Americans and at 5’2” there is barely enough leg room. I don’t know how tall people fold themselves into the seats. But that’s nothing specific to Delta

Great. Very smooth. Plenty of information. However, wish they would give out a menu in advance of making a dinner choice like other international airlines. The flight attendant says chicken or pasta and there are details about ingredients or spices requiring the passenger to ask which requires the flight attendant to answer many times. So easy to solve this problem. P

I'm a tall guy and even the seats with more leg room were not as comfortable as I had hoped.

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

My flight was extremely cold. I had a jacket and a cover was left in each seat. The cover was extremely thin and I have a disability, fibromyalgia and arthrithis and AC air is the worst. I closed my vent and my husbands vent and it still was frigid. I asked the attendant if I could get another cover and she quickly almost dismissively and totally unconcerned stating, (I quote) (one per chair) and walked off so quickly that I didn't get a chance to explain to her that I literally have adisability. I didnt want to make a seen so I set on that flight for over 5 hours in pain, joints locking up and extremely uncomfortable. When my fibromyalgia flares up my joints not only ache but they will lock up also and it takes me days to get back to my regular self even though I take medication for it. I felt like it would not have hurt anyone at all for her to just give me an extra cover because I'm sure they have all types of medical issues in people that fly every day.

After all the weather issues at least they got me to my destination the next day

My flight was canceled after being rescheduled for four days canceling my trip. Kayak and everyone affiliated with it I.e the airlines, and just fly have been excruciating to deal with. My trip to visit family had to be canceled as there was no way to make it. I am furious at all of you.

The food should improve! And The flight should leave on time and not make the traveler wait.

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

A little bit more leg room in premium economy. I am 6’4”.

Overall it was good. I missed my connection but I was put on another flight.

The attendant were friendly. I suggest you have a medical attendant on board every flight so that in case someone is sick , he/she will help them.

The woman gate agent in Phoenix was none too sympathetic about my check-in process as I am relatively new with using apps. I almost did not get on because she said I did not check-in. I thought I had via Kayak where I purchased a very expensive ticket. Lesson learned but to be told I may not get on as a matter of factly was difficult to hear.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

We love united ! We would like to acknowledge Aimee in the lounge near gate 130

Boarded plane and then delayed 1.5 hours while on the plane

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

Initial flight was cancelled at the time of arrival to the airport, flight alternative requires switching from direct to flight with a layover, and the plane felt like it would split apart, it was so rattle-y.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

Flight was delayed again and again ultimately almost three hours getting us to our location at close to midnight by the time we got in and out of airport to destination. I had taken time off work to enjoy an evening at destination and that was now wasted

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Boarding gate in Honolulu was staffed with a great clerk with a soothing voice despite the flight delay of over an hour. Flight attendants in the plane were all grumpy, not pleasant looking bunch. Their sour attitude showed throughout the flight. Inly able to get a select few movies started. Most of the movie links in the “free entertainment” did not work.

Above and beyond effort from this crew in a tough situation. So helpful and understanding. Thank you!

The flight delay in Dallas created a domino effect that impacted all of the connecting flights. It also increased the number of connections. I missed my flight from Casablanca to Marrakech because of the tight turnaround when landing in Casablanca. . CMN airport was understaffed. Only one person could help while other employees were just watching him. It was an extremely frustrating situation. People were crying and slamming their palms on the counter when speaking to the customer service provider, Allabough (man’s name?). Allabough couldn’t change my flight in the system. simultaneously, I was on the call with America. Airlines customer service rep named Solomon that said he couldn’t change it either. So, I took a ONYA voyages train to from Casablanca to Marrakech to get there on Friday June 26. This was unpredictable trip.

The flight delay in Dallas created a domino effect that impacted all connecting flights, leading to an increase in the number of connections. As a result, I missed my flight from Casablanca to Marrakech due to the tight turnaround when landing in Casablanca. CMN Airport was understaffed; only one employee was available to assist passengers while others just stood by and watched. It was an extremely frustrating situation. Many passengers were crying and banging their hands on the counter while talking to customer service representative Allabough. Unfortunately, Allabough couldn’t change my flight in the system. At the same time, I was on the phone with an American Airlines customer service representative named Solomon, who said he couldn’t make the change either. So, I decided to take an ONYA Voyages train from Casablanca to Marrakech to reach my destination on Friday, June 26. It turned out to be an unpredictable trip.

The flight was fine and the crew awesome. The problem is ORD and AA. Computers went down, ORD fell apart and a 40 min flight turned into a 3 hour trip. Guess the answer is to not try and fly to ORD after noon. But, as I said, crew was awesome and did everything they could to lesson the flight time.

The delay was ridiculous because nary a word escaped from the gate attendant regarding our flight status. It was a complete joke.

I missed a flight because of a delay. I had to buy a new ticket through Southwest.

The crew was mostly okay. The flight attendant who answered our questions was curt and unhelpful unfortunately. He seemed upset and I understand having off days.

Flight was delayed one hour. Notification to the crowd waiting near the gate was terrible…announcements were unclear and very hard to hear and therefore understand. Frontier does NOT send texts to notify, only email. The reader board over the gate itself was NEVER updated to indicate the gate had been changed. It’s like a bunch of children are running things.

I’m not gonna fly Frontier Airlines because booking is not an option. No water or food is for high price, not equipped for health emergency incompetent crew for emergency services. Cheap airline shows it is cheaper in all service categories. Boarding is the best of all airlines!

We’ve all seen the YouTube vids of out of control passengers. But this was an instance of a highly aggressive, bully flight attendant. Yelling in the face of a vet with PTSD who was texting their family. And no , we had not yet been instructed to put our phones in airplane mode. My suggestion is that you should pay whatever difference there is in order to avoid Frontier airlines. Additionally, after 3hrs trying to get customer service frontier offered a $25 voucher. I declined. This experience was so traumatic. To be verbally assaulted and abused by a flight attendant that has the power to say “boo” and I miss my flight ( which was to a family member’s funeral ). Frontier is unsafe and I cannot impress enough how much I discourage anyone ( esp those with any kind of disability like PTSD ) flying on Frontier.

My flight was delayed by two hours which made it so that I would miss my layover flight. I stood in line for customer service for over an hour and when I reached the agent she told me to scan a QR code and it'll give me options. I wasn't offered any help, guidance or compensation, only told that I have options but that I had to figure it all out myself. I was refunded part of the trip and had to buy an expensive same day ticket from another airline in order to get home. I will never fly Frontier again.

We were delayed three times ,and that destroyed my plans, and reservations

Very bad! No good service delayed my second connection flight

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

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