Cheap flights from St. Louis to Caribbean Islands from $101
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Caribbean Islands departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Caribbean Islands
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Delta flights from St. Louis to Caribbean Islands
Our best Delta deals on St. Louis to Caribbean Islands flight tickets
Frontier flights from St. Louis to Caribbean Islands
Our best Frontier deals on St. Louis to Caribbean Islands flight tickets
See travel insights to Caribbean Islands from
How to get the cheapest flight ticket from St. Louis to Caribbean Islands
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 Caribbean Islands?
The month of April is, on average, the cheapest month to fly to Caribbean Islands from St. Louis, with most prices found around $324. The month of August is another great option to travel to Caribbean Islands, with average flight prices from St. Louis averaging around $334.
What is the cheapest day to depart on your flight to Caribbean Islands?
The cheapest day to depart from St. Louis to Caribbean Islands is on a Wednesday. Travelers who choose to depart for Caribbean Islands on a Wednesday will often find tickets for as low as $404. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $590. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.
What is the cheapest time of day to depart on your flight to Caribbean Islands?
According to our data, the cheapest time of day to fly to Caribbean Islands is in the evening. momondo users have found flights departing from St. Louis to Caribbean Islands in the evening for as low as $310. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $590. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lambert-St Louis to Caribbean Islands flight route?
Fly from Lambert-St Louis to Punta Cana for the best Lambert-St Louis - Caribbean Islands flight prices
How far in advance should I book a flight to Caribbean Islands?
You are more likely to see cheaper flights to Caribbean Islands from St. Louis when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $432 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from St. Louis for as low as $366 on momondo.
What cabin class options are available on Lambert-St Louis to Caribbean Islands flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Caribbean Islands?
Spirit Airlines, Delta, and American Airlines are the most popular carriers operating from Lambert-St Louis to Caribbean Islands
What airlines fly to Caribbean Islands?
American Airlines, Delta and Frontier are the top three most popular airlines that fly to Caribbean Islands from St. Louis according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 6 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Caribbean Islands on average per week?
As of April 2025, there are 4 flights per week flying from St. Louis to Caribbean Islands. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.
Cheap St. Louis to Caribbean Islands flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Caribbean Islands
Best Price Found | $101 |
|---|---|
Fastest flight time | 3h 40m |
Direct flights | Mon, Tue, Thu, Sat and Sun |
Airports in Caribbean Islands | 7 airports |
When did momondo last update prices for flights from Lambert-St Louis Airport to Caribbean Islands?
Prices for flights from Lambert-St Louis Airport to Caribbean Islands were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Caribbean Islands?
As of April 2025, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Caribbean Islands.
How old do you have to be to fly from Lambert-St Louis Airport to Caribbean Islands?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The required travel and health documents for your Caribbean Islands trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean Islands. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from St. Louis to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Caribbean Islands is Boeing 737-800 Passenger/BBJ2 (winglets), representing 18.67% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 18.58%, Boeing 737 MAX 8 at 16.97%, and Embraer 175 at 6.38%.
Best airlines flying from St. Louis to Caribbean Islands
Compare and see reviews for airlines that fly from St. Louis to Caribbean Islands with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $140 | Free Cancellation | Rating 6.0 3,279 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 6.3 7,905 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 7,911 reviews | |||
| PriceFrom $264 | Free Cancellation | Rating 7.4 8,636 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $375 | Free Cancellation | Rating 8.0 4,279 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Caribbean Islands?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Caribbean Islands. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Caribbean Islands with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Caribbean Islands from St. Louis with this policy.
How can momondo help me find flights from St. Louis to Caribbean Islands?
momondo helps you find the best flight between St. Louis and Caribbean Islands by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Caribbean Islands right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of St. Louis to Caribbean Islands flights. All you need is a valid email address and we will do the rest; it is that quick and easy.