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Christiansted

$499+ Cheap flights from St. Louis (STL) to Christiansted (STX)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Christiansted Henry Rohlsen are usually found in January or February, booked 21 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from St. Louis to Christiansted

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Christiansted (STX). 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 July 29, 2025.

Round-trip from

$499
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$620
From Lambert-St Louis to Christiansted Henry Rohlsen
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from St. Louis to Christiansted

Cheapest flights from St. Louis to Christiansted
Explore the most affordable flight options available from St. Louis to Christiansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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 8/273:43 pmSTL - STX
2 stops22h 16mAmerican Airlines
Wed 9/31:53 pmSTX - STL
2 stops20h 23mAmerican Airlines
Deal found 7/28$499
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/115:30 pmSTL - STX
3 stops15h 09mUnited Airlines
Fri 8/159:30 amSTX - STL
2 stops15h 29mUnited Airlines
Deal found 7/27$1,315

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Christiansted 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 July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Christiansted that are best for you.

Fly from

St. Louis

Fly to

Christiansted

Route

Depart

Return

Price

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Wed 8/27

3:43 pm-2:59 pm

2 stops22h 16m

Christiansted Henry Rohlsen

Wed 9/3

1:53 pm-9:16 am

2 stops20h 23m

$499

St. LouisChristiansted

STL - STX

STLSTX

Lambert-St Louis

Mon 8/11

5:30 pm-9:39 am

3 stops15h 09m

Christiansted Henry Rohlsen

Fri 8/15

9:30 am-11:59 pm

2 stops15h 29m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from St. Louis to Christiansted

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

How far ahead should I book a flight from St. Louis to Christiansted?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Christiansted. Price data was last updated on July 25, 2025.

The best time to book flights from St. Louis to Christiansted is 21 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Christiansted (average of $194). Flying from St. Louis to Christiansted in October is currently the most expensive (average of $568). 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.

What is the cheapest time of day to fly from STL to STX?

Find hourly flight availability from St. Louis to Christiansted. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Christiansted at noon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Christiansted

Get insights into the airlines that provide service to Christiansted. 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 Christiansted. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from St. Louis to Christiansted by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,899 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Christiansted round-trip?

    Currently priced at $499, American Airlines will fly you from St. Louis to Christiansted and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $1,315. American Airlines is 18% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Christiansted 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 Christiansted?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Christiansted (average of $194). Flying from St. Louis to Christiansted in October is currently the most expensive (average of $568). 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 Christiansted

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Christiansted flights

Top 3 airlines flying from St. Louis to Christiansted

Discover the top 3 airlines that operate flights from St. Louis to Christiansted. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$259Average$337FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$367Average$638FlexibilityNo cancel feeOn-time71%
DeltaCheapest$387Average$635FlexibilityNo cancel feeOn-timeN/A

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