HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Croix

$188+ Cheap flights from St. Louis (STL) to Saint Croix

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STX
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Saint Croix 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 Saint Croix

Cheapest flights from St. Louis to Saint Croix
Explore the most affordable flight options available from St. Louis to Saint Croix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:24 am
STL
-
STX
1 stop9h 49m
American Airlines
Mon 5/115:14 pm
STX
-
STL
1 stop18h 02m
American Airlines
Deal found 3/9$356
This American Airlines deal was found by Cheapflights users on 3/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:54 pm
STL
-
STX
2 stops17h 21m
American Airlines
Tue 5/195:14 pm
STX
-
STL
1 stop18h 02m
American Airlines
Deal found 3/6$365
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:53 pm
STL
-
STX
2 stops18h 22m
American Airlines
Tue 4/142:05 pm
STX
-
STL
2 stops19h 25m
American Airlines
Deal found 3/10$380
This American Airlines deal was found by Cheapflights users on 3/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:20 pm
STL
-
STX
1 stop21h 07m
American Airlines
Wed 3/253:38 pm
STX
-
STL
1 stop17h 57m
American Airlines
Deal found 3/5$418
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:15 am
STL
-
STX
1 stop14h 26m
American Airlines
Sat 5/304:47 pm
STX
-
STL
1 stop16h 46m
American Airlines
Deal found 3/8$462
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:40 pm
STL
-
STX
2 stops21h 17m
American Airlines
Fri 5/293:47 pm
STX
-
STL
2 stops20h 01m
American Airlines
Deal found 3/8$466
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:18 am
STL
-
STX
1 stop6h 37m
American Airlines
Sat 8/151:37 pm
STX
-
STL
2 stops19h 27m
American Airlines
Deal found 3/7$479

Find flight deals from St. Louis to Saint Croix

Keep the following information in mind while searching for St. Louis to Saint Croix flight deals. Data was last updated March 11, 2026.

Round-trip from

$356
(American Airlines)

One-way from

$188
(Delta)
From Lambert-St Louis to Saint Croix
Search Deals
One-way flight from Lambert-St Louis to Saint Croix
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Saint Croix 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 March 11, 2026.
Use the filters below to find and compare flights from St. Louis to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Mon 4/20

5:24 am-4:13 pm

1 stop9h 49m

Christiansted Henry Rohlsen

Tue 4/28

5:14 pm-10:16 am

1 stop18h 02m

$356

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sat 3/21

6:57 pm-4:27 pm

2 stops20h 30m

Christiansted Henry Rohlsen

Wed 3/25

3:38 pm-8:51 am

2 stops18h 13m

$360
Quickest round-trip

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 4/7

5:24 am-1:15 pm

1 stop6h 51m

Christiansted Henry Rohlsen

Tue 4/14

2:05 pm-8:30 am

2 stops19h 25m

$380

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 5/13

5:24 am-4:13 pm

1 stop9h 49m

Christiansted Henry Rohlsen

Tue 5/19

5:14 pm-10:16 am

1 stop18h 02m

$381

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 3/27

6:20 pm-4:42 pm

1 stop21h 22m

Christiansted Henry Rohlsen

Mon 3/30

5:17 pm-10:32 am

1 stop18h 15m

$418

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 3/27

5:15 am-4:27 pm

1 stop10h 12m

Christiansted Henry Rohlsen

Sat 4/4

5:32 pm-10:32 am

1 stop18h 00m

$555

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sun 3/29

6:57 pm-4:27 pm

2 stops20h 30m

Christiansted Henry Rohlsen

Sat 4/4

5:32 pm-12:43 pm

2 stops20h 11m

$559

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sat 3/21

6:57 pm-4:27 pm

2 stops20h 30m

Christiansted Henry Rohlsen

Sat 3/28

1:50 pm-8:35 am

2 stops19h 45m

$559
Cheapest one-way

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 4/7

6:00 am-4:13 pm

2 stops9h 13m

$188
Quickest one-way

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 4/7

6:00 am-1:18 pm

1 stop6h 18m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

Best time to book a flight from St. Louis to Saint Croix

Have a flexible travel schedule? Discover the best time to fly to Saint Croix 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 Saint Croix

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Saint Croix (average of $383). Flying from St. Louis to Saint Croix in May is currently the most expensive (average of $569). 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.

How much does it cost to fly round-trip from St. Louis to Saint Croix?

Reviews of airlines servicing Saint Croix

Get insights into the airlines that provide service to Saint Croix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Croix. Reviews last updated March 11, 2026.
Peruse reviews from past customers who have flown with American Airlines from St. Louis to Saint Croix to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,419 reviews

Crew

7.9

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,419 reviews
American Airlines
7.1
Good
11,419 reviews

Crew

7.9

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

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

  • What airport do you fly from for flights from St. Louis to Saint Croix?

    If you book a flight to Saint Croix from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    Departing from St. Louis to Saint Croix will take you 9h 49m. St. Louis and Saint Croix are separated by a distance of 2115 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Saint Croix 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 Saint Croix?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Saint Croix (average of $383). Flying from St. Louis to Saint Croix in May is currently the most expensive (average of $569). 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 Saint Croix

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Saint Thomas Island flights
Kansas City to Saint Thomas Island flights
Springfield to Saint Thomas Island flights

Top airline flying from St. Louis to Saint Croix

Discover the top airline that operate flights from St. Louis to Saint Croix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$439Average$619FlexibilityNo cancel feeOn-time71%

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.