$337+ Cheap flights from St. Louis (STL) to Saint Lucia
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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Saint Lucia 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 Lucia
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Saint Lucia (LC0). 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 January 17, 2025.
Round-trip from | $555 (American Airlines) |
|---|---|
One-way from | $337 (American Airlines) |
Find flight deals from St. Louis to Saint Lucia
Cheapest flights from St. Louis to Saint LuciaExplore the most affordable flight options available from St. Louis to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
Explore the most affordable flight options available from St. Louis to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.
This American Airlines deal was found by Cheapflights users on 1/15. 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.
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to Saint Lucia within your budget
Customize your flight search to find flights from St. Louis to Saint Lucia 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 January 17, 2025.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Tue 4/1
5:01 am-2:50 pm
1 stop8h 49m
Castries Hewanorra
Tue 4/8
3:28 pm-8:30 am
1 stop18h 02m
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Wed 2/5
6:00 am-3:06 pm
1 stop7h 06m
Castries Hewanorra
Wed 2/12
4:26 pm-11:36 pm
1 stop9h 10m
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Thu 3/27
3:50 pm-2:45 pm
1 stop21h 55m
Castries Hewanorra
Sun 3/30
3:45 pm-2:59 pm
1 stop24h 14m
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Thu 2/13
12:15 pm-3:45 pm
3 stops25h 30m
Castries Hewanorra
Wed 2/19
4:45 pm-2:42 pm
2 stops23h 57m
St. LouisCastries
STL - SLU
STLSLU
Lambert-St Louis
Fri 2/21
8:00 pm-10:10 pm
3 stops24h 10m
Castries George F. L. Charle
Fri 2/28
12:15 pm-3:06 pm
3 stops28h 51m
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Sun 2/2
6:29 pm-2:35 pm
1 stop18h 06m
Best time to book a flight from St. Louis to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from St. Louis with our price prediction graph.
Travel insights for flights from St. Louis to Saint Lucia
Get recent, data-driven insights about flights from St. Louis to Saint Lucia including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from St. Louis to Saint Lucia?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Saint Lucia (average of $556). Flying from St. Louis to Saint Lucia in December is currently the most expensive (average of $730). 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 LC?
Find hourly flight availability from St. Louis to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.
When flying from St. Louis to Saint Lucia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Saint Lucia
Get insights into the airlines that provide service to Saint Lucia. 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 Lucia. Reviews last updated January 17, 2025.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Saint Lucia
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from St. Louis to Saint Lucia
Discover the top 2 airlines that operate flights from St. Louis to Saint Lucia. 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 January 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$491 | Average$733 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$492 | Average$658 | FlexibilityNo cancel fee | On-timeN/A |