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Cheap flights from St. Louis to Saint Croix from $208

This is the cheapest one-way 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 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Saint Croix

Cheap round-trip flights

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Delta Logo
6:00 am - 2:33 pmSTL-STX
6h 33m1 stop
Delta Logo
3:33 pm - 8:37 pmSTX-STL
7h 04m1 stop
$415Delta
Find Deal
Tue, Jan 20 - Fri, Jan 23
American Airlines Logo
6:44 pm - 2:55 pmSTL-STX
18h 11m1 stop
American Airlines Logo
6:09 pm - 9:40 amSTX-STL
17h 31m2 stops
$419American Airlines
Find Deal
Fri, Jan 16 - Sun, Jan 25
American Airlines Logo
5:05 am - 2:39 pmSTL-STX
7h 34m1 stop
American Airlines Logo
8:30 am - 11:59 pmSTX-STL
17h 29m1 stop
$455American Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 12
American Airlines Logo
6:00 am - 10:48 pmSTL-STX
14h 48m2 stops
American Airlines Logo
8:30 am - 8:32 pmSTX-STL
14h 02m2 stops
$459American Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 12
American Airlines Logo
6:02 pm - 5:05 pmSTL-STX
21h 03m1 stop
American Airlines Logo
4:33 pm - 11:12 pmSTX-STL
8h 39m1 stop
$478American Airlines
Find Deal
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
5:05 am - 4:43 pmSTL-STX
9h 38m1 stop
American Airlines Logo
3:38 pm - 8:35 amSTX-STL
17h 57m1 stop
$479American Airlines
Find Deal
Fri, Mar 6 - Wed, Mar 11
American Airlines Logo
5:05 am - 4:43 pmSTL-STX
9h 38m1 stop
American Airlines Logo
3:38 pm - 8:55 amSTX-STL
18h 17m2 stops
$483American Airlines
Find Deal
Fri, Mar 6 - Wed, Mar 11
American Airlines Logo
6:00 am - 5:43 pmSTL-STX
9h 43m2 stops
American Airlines Logo
4:31 pm - 8:56 amSTX-STL
18h 25m2 stops
$499American Airlines
Find Deal
Tue, Dec 16 - Sun, Dec 21
American Airlines Logo
6:58 pm - 2:16 pmSTL-STX
17h 18m2 stops
American Airlines Logo
5:12 pm - 8:55 amSTX-STL
16h 43m2 stops
$508American Airlines
Find Deal
Fri, Mar 6 - Wed, Mar 11
American Airlines Logo
5:05 am - 5:05 pmSTL-STX
10h 00m1 stop
American Airlines Logo
8:30 am - 9:51 pmSTX-STL
15h 21m2 stops
$529American Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 23

American Airlines flights from St. Louis to Saint Croix

Our best American Airlines deals on St. Louis to Saint Croix flight tickets
American Airlines
Jan 16
STL6:44 pmLambert-St Louis
18h 11m
1 stop
STX2:55 pmChristiansted Henry Rohlsen
Jan 25
STX6:09 pmChristiansted Henry Rohlsen
17h 31m
2 stops
STL9:40 amLambert-St Louis
$419
Find similar
American Airlines
Dec 31
STL5:05 amLambert-St Louis
7h 34m
1 stop
STX2:39 pmChristiansted Henry Rohlsen
Jan 12
STX8:30 amChristiansted Henry Rohlsen
17h 29m
1 stop
STL11:59 pmLambert-St Louis
$455
Find similar
American Airlines
Dec 31
STL6:00 amLambert-St Louis
14h 48m
2 stops
STX10:48 pmChristiansted Henry Rohlsen
Jan 12
STX8:30 amChristiansted Henry Rohlsen
14h 02m
2 stops
STL8:32 pmLambert-St Louis
$459
Find similar

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 November 24, 2025.
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

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 1/20

6:00 am-2:33 pm

1 stop6h 33m

Christiansted Henry Rohlsen

Fri 1/23

3:33 pm-8:37 pm

1 stop7h 04m

$415

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 1/16

6:44 pm-2:55 pm

1 stop18h 11m

Christiansted Henry Rohlsen

Sun 1/25

6:09 pm-9:40 am

2 stops17h 31m

$419

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 12/31

5:05 am-2:39 pm

1 stop7h 34m

Christiansted Henry Rohlsen

Mon 1/12

8:30 am-11:59 pm

1 stop17h 29m

$455

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 12/31

6:00 am-10:48 pm

2 stops14h 48m

Christiansted Henry Rohlsen

Mon 1/12

8:30 am-8:32 pm

2 stops14h 02m

$459

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Thu 2/5

6:02 pm-5:05 pm

1 stop21h 03m

Christiansted Henry Rohlsen

Mon 2/9

4:33 pm-11:12 pm

1 stop8h 39m

$478

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 3/6

5:05 am-4:43 pm

1 stop9h 38m

Christiansted Henry Rohlsen

Wed 3/11

3:38 pm-8:35 am

1 stop17h 57m

$479

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 3/6

5:05 am-4:43 pm

1 stop9h 38m

Christiansted Henry Rohlsen

Wed 3/11

3:38 pm-8:55 am

2 stops18h 17m

$483

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 12/16

6:00 am-5:43 pm

2 stops9h 43m

Christiansted Henry Rohlsen

Sun 12/21

4:31 pm-8:56 am

2 stops18h 25m

$499

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Fri 3/6

6:58 pm-2:16 pm

2 stops17h 18m

Christiansted Henry Rohlsen

Wed 3/11

5:12 pm-8:55 am

2 stops16h 43m

$508

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Tue 1/20

5:05 am-5:05 pm

1 stop10h 00m

Christiansted Henry Rohlsen

Fri 1/23

8:30 am-9:51 pm

2 stops15h 21m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 airline that flies from Lambert-St Louis to Saint Croix?

American Airlines is the most popular carrier operating from Lambert-St Louis to Saint Croix

What airlines fly to Saint Croix?

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Saint Croix from St. Louis according to our data. American Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Saint Croix. Keep in mind that there are 3 different airlines that fly to Saint Croix on a routine basis, so you have a few additional options to choose from.

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

Direct flights

None
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

  • 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
Spirit AirlinesPriceFrom $259Free CancellationRating
6.3
8,159 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
DeltaPriceFrom $400Free CancellationRating
7.9
7,997 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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