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Culebra

$1,896+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPX
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from St. Louis to Culebra

Cheapest flights from St. Louis to Culebra
Explore the most affordable flight options available from St. Louis to Culebra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:00 am
STL
-
CPX
2 stops10h 13m
United Airlines
Sat 4/410:30 am
CPX
-
STL
2 stops12h 58m
United Airlines
Deal found 1/25$1,896
This United Airlines deal was found by Cheapflights users on 1/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:30 am
STL
-
CPX
2 stops30h 43m
United Airlines
Tue 4/710:30 am
CPX
-
STL
2 stops12h 58m
United Airlines
Deal found 1/26$1,903
This United Airlines deal was found by Cheapflights users on 1/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:25 am
STL
-
CPX
2 stops8h 48m
United Airlines
Sun 4/510:30 am
CPX
-
STL
2 stops35h 24m
United Airlines
Deal found 1/25$1,904
This United Airlines deal was found by Cheapflights users on 1/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/217:00 pm
STL
-
CPX
2 stops20h 13m
United Airlines
Wed 3/2510:30 am
CPX
-
STL
2 stops12h 46m
United Airlines
Deal found 1/25$2,273
This United Airlines deal was found by Cheapflights users on 1/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:15 pm
STL
-
CPX
2 stops26h 58m
United Airlines
Tue 4/710:30 am
CPX
-
STL
2 stops12h 58m
United Airlines
Deal found 1/26$2,315
This United Airlines deal was found by Cheapflights users on 1/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:00 am
STL
-
CPX
2 stops10h 13m
United Airlines
Sat 4/410:30 am
CPX
-
STL
2 stops12h 58m
United Airlines
Deal found 1/25$2,446
This United Airlines deal was found by Cheapflights users on 1/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:00 am
STL
-
CPX
2 stops10h 13m
United Airlines
Sun 4/510:30 am
CPX
-
STL
2 stops12h 58m
United Airlines
Deal found 1/25$2,677

Find 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 January 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,896
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$435
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. 15% potential increase in price ($78 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 January 2026
Search Deals

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 January 26, 2026.
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

Fri 3/27

5:00 am-4:13 pm

2 stops10h 13m

Culebra

Sat 4/4

10:30 am-10:28 pm

2 stops12h 58m

$1,896

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Sat 4/4

8:30 am-4:13 pm

2 stops30h 43m

Culebra

Tue 4/7

10:30 am-10:28 pm

2 stops12h 58m

$1,903

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Fri 3/27

6:25 am-4:13 pm

2 stops8h 48m

Culebra

Sun 4/5

10:30 am-8:54 pm

2 stops35h 24m

$1,904

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Sat 3/21

7:00 pm-4:13 pm

2 stops20h 13m

Culebra

Wed 3/25

10:30 am-10:16 pm

2 stops12h 46m

$2,273

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Fri 4/3

12:15 pm-4:13 pm

2 stops26h 58m

Culebra

Tue 4/7

10:30 am-10:28 pm

2 stops12h 58m

$2,315

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Sat 3/28

5:00 am-4:13 pm

2 stops10h 13m

Culebra

Sat 4/4

10:30 am-10:28 pm

2 stops12h 58m

$2,446

St. LouisCulebra

STL - CPX

STLCPX

Lambert-St Louis

Sat 3/28

5:00 am-4:13 pm

2 stops10h 13m

Culebra

Sun 4/5

10:30 am-10:28 pm

2 stops12h 58m

$2,677

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on St. Louis-Culebra flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on St. Louis-Culebra flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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 $143). Flying from St. Louis to Culebra in June is currently the most expensive (average of $253). 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.

  • How long is the flight from St. Louis to Culebra?

    United Airlines can get you from St. Louis to Culebra in just under 10h 13m. Your travel time can differ by up to . St. Louis and Culebra are separated by a distance of 2061 mi.

  • 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 $143). Flying from St. Louis to Culebra in June is currently the most expensive (average of $253). 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

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