HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Culebra

$1,341+ Cheap flights from St. Louis (STL) to Culebra (CPX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Culebra with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Culebra

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Culebra (CPX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,341
(United)

Popular in

December

Cheapest in

September

Average price

$485
Provider with most accurate pricing for Lambert-St Louis-Culebra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Culebra flights.
Search Deals
From Lambert-St Louis to Culebra
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from St. Louis to Culebra

Best flights from St. Louis to Culebra
Discover carefully curated flight deals from St. Louis to Culebra that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

This United deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:30 amSTL - CPX
2 stops25h 40mMultiple Airlines
Sun 3/2210:30 amCPX - STL
2 stops50h 51mMultiple Airlines
Deal found 10/26$1,341

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Culebra 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from St. Louis to Culebra that are best for you.

Fly from

St. Louis

Fly to

Culebra

Route

Depart

Return

Price

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Thu 3/12

7:30 am-10:10 am

2 stops25h 40m

Culebra

Sun 3/22

10:30 am-12:21 pm

2 stops50h 51m

$1,341

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from St. Louis to Culebra

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Culebra in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Culebra flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Culebra flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Culebra flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Culebra flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Culebra flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Culebra

Have a flexible travel schedule? Discover the best time to fly to Culebra from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Culebra

What is the cheapest month to book a flight from St. Louis to Culebra?

Currently, May is the cheapest month in which you can book a flight from St. Louis to Culebra (average of $140). Flying from St. Louis to Culebra in December is currently the most expensive (average of $261). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Culebra. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Louis to Culebra that include hotel bookings?

    Yes. In addition to deals on St. Louis to Culebra flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Culebra?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Culebra.

  • Can I find deals for business class flights from St. Louis to Culebra?

    Yes. Cheapflights offers flight deals from St. Louis to Culebra by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Culebra?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Culebra (average of $140). Flying from St. Louis to Culebra in December is currently the most expensive (average of $261). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Culebra

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Luis Munoz Marin Intl flights
Kansas City to Luis Munoz Marin Intl flights
Springfield to Luis Munoz Marin Intl flights
Kansas City to Aguadilla flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.