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Saint Croix

$356+ Cheap flights from St. Louis (STL) to Saint Croix

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STX
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
1 adult, Economy
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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 May 8, 2026.

This American Airlines deal was found by Cheapflights users on 5/4. 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 5/195:24 am
STL
-
STX
1 stop9h 49m
American Airlines
Sat 5/239:00 am
STX
-
STL
1 stop14h 58m
American Airlines
Deal found 5/4$356
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/135:24 am
STL
-
STX
1 stop9h 49m
American Airlines
Tue 5/195:14 pm
STX
-
STL
1 stop18h 02m
American Airlines
Deal found 5/4$396
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 5/205:24 am
STL
-
STX
1 stop14h 50m
American Airlines
Sun 5/249:00 am
STX
-
STL
2 stops15h 54m
American Airlines
Deal found 5/5$555
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/186:54 pm
STL
-
STX
2 stops20h 19m
American Airlines
Thu 5/213:48 pm
STX
-
STL
2 stops17h 45m
American Airlines
Deal found 5/4$600
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 9/185:33 am
STL
-
STX
1 stop6h 22m
American Airlines
Tue 9/221:50 pm
STX
-
STL
1 stop10h 22m
American Airlines
Deal found 5/5$614
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 7/235:18 am
STL
-
STX
1 stop14h 32m
American Airlines
Tue 7/283:50 pm
STX
-
STL
1 stop8h 03m
American Airlines
Deal found 5/6$616

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 May 8, 2026.

Round-trip from

$356
(American Airlines)
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 May 8, 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

Wed 11/4

5:21 am-5:52 pm

1 stop10h 31m

Christiansted Henry Rohlsen

Thu 11/12

3:52 pm-8:27 am

2 stops18h 35m

$623

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 9/4

6:54 am-8:38 pm

2 stops12h 44m

Christiansted Henry Rohlsen

Wed 9/9

1:50 pm-8:02 am

2 stops19h 12m

$643

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 7/31

5:18 am-8:50 pm

1 stop14h 32m

Christiansted Henry Rohlsen

Sat 8/8

8:04 am-11:23 pm

2 stops16h 19m

$644
Quickest round-trip

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sat 5/23

9:41 am-8:45 pm

2 stops10h 04m

Christiansted Henry Rohlsen

Wed 6/3

3:48 pm-10:58 pm

1 stop8h 10m

$649

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 9/4

6:00 am-8:38 pm

2 stops13h 38m

Christiansted Henry Rohlsen

Mon 9/7

8:04 am-10:40 pm

1 stop15h 36m

$668

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Thu 7/30

5:58 pm-3:00 pm

2 stops20h 02m

Christiansted Henry Rohlsen

Sun 8/9

8:04 am-10:40 pm

1 stop15h 36m

$739

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Thu 7/30

5:18 am-8:50 pm

1 stop14h 32m

Christiansted Henry Rohlsen

Sat 8/8

8:04 am-10:40 pm

1 stop15h 36m

$760

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sat 8/1

6:55 am-8:50 pm

2 stops12h 55m

Christiansted Henry Rohlsen

Sat 8/8

3:54 pm-10:40 pm

1 stop7h 46m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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 $363). Flying from St. Louis to Saint Croix in May is currently the most expensive (average of $535). 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 May 8, 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
11,667 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Overall

7.1

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,667 reviews
American Airlines
7.1
Good
11,667 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Overall

7.1

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 10h 31m. 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 $363). Flying from St. Louis to Saint Croix in May is currently the most expensive (average of $535). 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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Alternative routes for St. Louis to Saint Croix

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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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$443Average$620FlexibilityNo cancel feeOn-time71%

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