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Cheap flights from St. Louis to Saint Croix from $466

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Saint Croix departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 am - 8:43 pm
STL
-
STX
14h 43m
1 stop
American Airlines Logo
8:04 am - 10:40 pm
STX
-
STL
15h 36m
1 stop
$466American Airlines
Mon, Aug 10 - Sun, Aug 16
American Airlines Logo
5:00 am - 3:39 pm
STL
-
STX
9h 39m
1 stop
American Airlines Logo
4:40 pm - 8:46 am
STX
-
STL
17h 06m
2 stops
$470American Airlines
Fri, Sep 18 - Tue, Sep 22
American Airlines Logo
6:07 am - 5:52 pm
STL
-
STX
9h 45m
2 stops
American Airlines Logo
6:42 pm - 10:51 am
STX
-
STL
18h 09m
2 stops
$497American Airlines
Wed, Nov 11 - Mon, Nov 16
American Airlines Logo
4:37 pm - 3:39 pm
STL
-
STX
22h 02m
2 stops
American Airlines Logo
4:40 pm - 10:15 am
STX
-
STL
18h 35m
2 stops
$505American Airlines
Fri, Sep 18 - Wed, Sep 23
American Airlines Logo
5:00 am - 3:39 pm
STL
-
STX
9h 39m
1 stop
American Airlines Logo
4:40 pm - 1:23 pm
STX
-
STL
21h 43m
1 stop
$530American Airlines
Fri, Sep 18 - Wed, Sep 23
American Airlines Logo
6:07 pm - 1:07 pm
STL
-
STX
18h 00m
1 stop
American Airlines Logo
5:08 pm - 10:18 am
STX
-
STL
18h 10m
2 stops
$535American Airlines
Sun, Oct 11 - Sun, Oct 18
American Airlines Logo
5:10 am - 8:50 pm
STL
-
STX
14h 40m
2 stops
American Airlines Logo
3:54 pm - 8:24 am
STX
-
STL
17h 30m
2 stops
$558American Airlines
Fri, Jul 31 - Sat, Aug 8
American Airlines Logo
5:18 am - 8:50 pm
STL
-
STX
14h 32m
1 stop
American Airlines Logo
4:50 pm - 8:33 am
STX
-
STL
16h 43m
1 stop
$559American Airlines
Wed, Jul 22 - Sat, Aug 1
American Airlines Logo
9:25 am - 8:50 pm
STL
-
STX
10h 25m
2 stops
American Airlines Logo
4:50 pm - 8:33 am
STX
-
STL
16h 43m
1 stop
$563American Airlines
Wed, Jul 22 - Sat, Aug 1
American Airlines Logo
5:42 am - 8:43 pm
STL
-
STX
14h 01m
2 stops
American Airlines Logo
8:04 am - 10:41 pm
STX
-
STL
15h 37m
2 stops
$568American Airlines
Mon, Aug 10 - Sun, Aug 16

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American Airlines flights from St. Louis to Saint Croix

Our best American Airlines deals on St. Louis to Saint Croix flight tickets
American Airlines
Aug 10
STL5:00 amLambert-St Louis
14h 43m
1 stop
STX8:43 pmChristiansted Henry Rohlsen
Aug 16
STX8:04 amChristiansted Henry Rohlsen
15h 36m
1 stop
STL10:40 pmLambert-St Louis
$466
American Airlines
Sep 18
STL5:00 amLambert-St Louis
9h 39m
1 stop
STX3:39 pmChristiansted Henry Rohlsen
Sep 22
STX4:40 pmChristiansted Henry Rohlsen
17h 06m
2 stops
STL8:46 amLambert-St Louis
$470
American Airlines
Nov 11
STL5:27 pmLambert-St Louis
19h 23m
2 stops
STX2:50 pmChristiansted Henry Rohlsen
Nov 16
STX6:42 pmChristiansted Henry Rohlsen
17h 55m
2 stops
STL10:37 amLambert-St Louis
$497

United Airlines flights from St. Louis to Saint Croix

Our best United Airlines deals on St. Louis to Saint Croix flight tickets
United Airlines
Dec 8
STL7:04 pmLambert-St Louis
22h 34m
2 stops
STX7:38 pmChristiansted Henry Rohlsen
Dec 10
STX9:59 amChristiansted Henry Rohlsen
15h 26m
2 stops
STL11:25 pmLambert-St Louis
$1,298
United Airlines
Dec 8
STL7:04 pmLambert-St Louis
22h 34m
2 stops
STX7:38 pmChristiansted Henry Rohlsen
Dec 10
STX9:59 amChristiansted Henry Rohlsen
15h 26m
2 stops
STL11:25 pmLambert-St Louis
$1,303
United Airlines
Aug 10
STL6:14 amLambert-St Louis
9h 56m
2 stops
STX5:10 pmChristiansted Henry Rohlsen
Aug 13
STX10:25 amChristiansted Henry Rohlsen
14h 13m
2 stops
STL11:38 pmLambert-St Louis
$1,320

momondo 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, momondo users made 832,500 searches. Data last updated July 5, 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 8/10

5:00 am-8:43 pm

1 stop14h 43m

Christiansted Henry Rohlsen

Sun 8/16

8:04 am-10:40 pm

1 stop15h 36m

$466
Quickest round-trip

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 9/18

5:00 am-3:39 pm

1 stop9h 39m

Christiansted Henry Rohlsen

Tue 9/22

4:40 pm-8:46 am

2 stops17h 06m

$470

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 11/11

6:07 am-5:52 pm

2 stops9h 45m

Christiansted Henry Rohlsen

Mon 11/16

6:42 pm-10:51 am

2 stops18h 09m

$497

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 9/18

4:37 pm-3:39 pm

2 stops22h 02m

Christiansted Henry Rohlsen

Wed 9/23

4:40 pm-10:15 am

2 stops18h 35m

$505

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 9/18

5:00 am-3:39 pm

1 stop9h 39m

Christiansted Henry Rohlsen

Wed 9/23

4:40 pm-1:23 pm

1 stop21h 43m

$530

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Sun 10/11

6:07 pm-1:07 pm

1 stop18h 00m

Christiansted Henry Rohlsen

Sun 10/18

5:08 pm-10:18 am

2 stops18h 10m

$535

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 7/31

5:10 am-8:50 pm

2 stops14h 40m

Christiansted Henry Rohlsen

Sat 8/8

3:54 pm-8:24 am

2 stops17h 30m

$558

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 7/22

5:18 am-8:50 pm

1 stop14h 32m

Christiansted Henry Rohlsen

Sat 8/1

4:50 pm-8:33 am

1 stop16h 43m

$559

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 7/22

9:25 am-8:50 pm

2 stops10h 25m

Christiansted Henry Rohlsen

Sat 8/1

4:50 pm-8:33 am

1 stop16h 43m

$563

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Mon 8/10

5:42 am-8:43 pm

2 stops14h 01m

Christiansted Henry Rohlsen

Sun 8/16

8:04 am-10:41 pm

2 stops15h 37m

$568

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Croix from

How to get the cheapest flight ticket from St. Louis to Saint Croix

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 Saint Croix?

The month of February is another great option to travel to Saint Croix, with average flight prices from St. Louis averaging around $363.

Cheap St. Louis to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Saint Croix

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from St. Louis to Saint Croix takes 6h 35m
There are no direct flights from St. Louis to Saint Croix. There are no popular flight routes from St. Louis to Saint Croix.
Search flight deals

Frequently asked questions about flying from St. Louis to Saint Croix

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Saint Croix?

    Prices for flights from Lambert-St Louis Airport to Saint Croix are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Saint Croix?

  • How old do you have to be to fly from Lambert-St Louis Airport to Saint Croix?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The necessary travel and health documents for your Saint Croix trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Saint Croix

Compare and see reviews for airlines that fly from St. Louis to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $440Free CancellationRating
7.1
11,777 reviews
Search American Airlines flights
DeltaPriceFrom $465Free CancellationRating
7.8
8,451 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Saint Croix?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Croix from St. Louis.

Can I find flights from St. Louis to Saint Croix with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Saint Croix flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Saint Croix?

momondo helps you find the best flight between St. Louis and Saint Croix 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 Saint Croix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Saint Croix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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