$492+ Cheap flights from Missouri to Saint Lucia
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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
Nov 2 — Nov 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri 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 Missouri to Saint Lucia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missouri to Saint LuciaExplore the most affordable flight options available from Missouri to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
Explore the most affordable flight options available from Missouri to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:05 pm -
1 stop22h 35m
Thu 11/195:35 pm -
1 stop23h 51m
Deal found 9/28![Air Canada logo]()
$556
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/16:14 am -
1 stop7h 27m
Thu 11/54:07 pm -
1 stop9h 51m
Deal found 9/29![American Airlines logo]()
$650
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/286:35 pm -
1 stop18h 52m
Sat 12/52:32 pm -
1 stop11h 27m
Deal found 9/30![American Airlines logo]()
$676
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Sat 10/315:01 am -
1 stop9h 07m
Sat 11/74:41 pm -
1 stop9h 18m
Deal found 10/3![American Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/156:36 pm -
1 stop18h 28m
Sun 11/223:56 pm -
1 stop10h 03m
Deal found 10/1![American Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 9/30. 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.
Mon 11/236:00 am -
1 stop7h 05m
Fri 12/44:26 pm -
1 stop9h 39m
Deal found 9/30![Delta logo]()
$708
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Fri 10/306:44 pm -
3 stops44h 56m
Fri 11/65:35 pm -
1 stop23h 51m
Deal found 10/1![Multiple Airlines logo]()
$722
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/305:00 am -
1 stop9h 04m
Fri 11/64:07 pm -
1 stop9h 51m
Deal found 10/1![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/122:54 pm -
2 stops20h 36m
Thu 11/194:28 pm -
2 stops19h 40m
Deal found 9/28![American Airlines logo]()
$731
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Mon 11/236:15 pm -
1 stop17h 14m
Fri 12/42:32 pm -
1 stop9h 17m
Deal found 9/28![American Airlines logo]()
$740
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Wed 10/286:44 pm -
3 stops43h 56m
Fri 11/65:35 pm -
1 stop23h 51m
Deal found 10/1![Multiple Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/146:00 am -
1 stop8h 25m
Sat 11/215:17 pm -
2 stops30h 34m
Deal found 9/30![United Airlines logo]()
$833
Best flights from Missouri to Saint LuciaDiscover carefully curated flight deals from Missouri to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
Discover carefully curated flight deals from Missouri to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
This American Airlines deal was found by Cheapflights users on 10/1. 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 2/225:00 am -
1 stop9h 02m
Fri 2/263:50 pm -
1 stop10h 07m
Deal found 10/1![American Airlines logo]()
$637
This Delta deal was found by Cheapflights users on 9/30. 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.
Thu 1/76:00 am -
1 stop7h 05m
Tue 1/124:25 pm -
1 stop9h 14m
Deal found 9/30![Delta logo]()
$735
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 2/95:00 am -
1 stop7h 46m
Thu 2/183:50 pm -
2 stops19h 52m
Deal found 9/28![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/15:02 am -
1 stop8h 39m
Thu 11/52:32 pm -
2 stops19h 35m
Deal found 9/29![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 1/315:00 am -
1 stop7h 46m
Mon 2/83:46 pm -
1 stop10h 13m
Deal found 9/29![American Airlines logo]()
$676
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/145:44 pm -
1 stop17h 46m
Sat 11/213:56 pm -
1 stop10h 03m
Deal found 9/30![American Airlines logo]()
$676
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/286:35 pm -
1 stop18h 52m
Sat 12/52:32 pm -
1 stop11h 27m
Deal found 9/30![American Airlines logo]()
$676
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Sat 10/315:20 pm -
2 stops20h 47m
Sat 11/74:41 pm -
2 stops20h 34m
Deal found 10/3![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 10/2. 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 1/75:00 am -
1 stop8h 38m
Tue 1/124:38 pm -
2 stops22h 52m
Deal found 10/2![American Airlines logo]()
$731
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/122:54 pm -
2 stops20h 36m
Thu 11/194:28 pm -
2 stops19h 40m
Deal found 9/28![American Airlines logo]()
$731
Last-minute flights from Missouri to Saint LuciaDiscover last-minute flight deals from Missouri to Saint Lucia. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Saint Lucia. Data last updated October 3, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Wed 10/286:44 pm -
3 stops43h 56m
Fri 11/65:35 pm -
1 stop23h 51m
Deal found 10/1![Multiple Airlines logo]()
$771
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Fri 10/306:44 pm -
3 stops44h 56m
Fri 11/65:35 pm -
1 stop23h 51m
Deal found 10/1![Multiple Airlines logo]()
$722
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/305:00 am -
1 stop9h 04m
Fri 11/64:07 pm -
1 stop9h 51m
Deal found 10/1![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Sat 10/315:01 am -
1 stop9h 07m
Sat 11/74:41 pm -
1 stop9h 18m
Deal found 10/3![American Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/16:14 am -
1 stop7h 27m
Thu 11/54:07 pm -
1 stop9h 51m
Deal found 9/29![American Airlines logo]()
$650
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:05 pm -
1 stop22h 35m
Thu 11/195:35 pm -
1 stop23h 51m
Deal found 9/28![Air Canada logo]()
$556
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/122:54 pm -
2 stops20h 36m
Thu 11/194:28 pm -
2 stops19h 40m
Deal found 9/28![American Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/146:00 am -
1 stop8h 25m
Sat 11/215:17 pm -
2 stops30h 34m
Deal found 9/30![United Airlines logo]()
$833
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/156:36 pm -
1 stop18h 28m
Sun 11/223:56 pm -
1 stop10h 03m
Deal found 10/1![American Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 9/30. 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.
Mon 11/236:00 am -
1 stop7h 05m
Fri 12/44:26 pm -
1 stop9h 39m
Deal found 9/30![Delta logo]()
$708
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Mon 11/236:15 pm -
1 stop17h 14m
Fri 12/42:32 pm -
1 stop9h 17m
Deal found 9/28![American Airlines logo]()
$740
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/286:35 pm -
1 stop18h 52m
Sat 12/52:32 pm -
1 stop11h 27m
Deal found 9/30![American Airlines logo]()
$676
One-way flights from Missouri to Saint LuciaSearch for one-way flight options from Missouri to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way flight options from Missouri to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 12/203:00 pm -
2 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 12/255:00 am -
1 stop29h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 12/265:23 pm -
1 stop17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:17 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$877
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:36 pm -
3 stops40h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$1,391
Find flight deals from Missouri to Saint Lucia
Keep the following information in mind while searching for Missouri to Saint Lucia flight deals. Data was last updated October 3, 2026.
Round-trip from | $556 (Trip.com) |
|---|---|
One-way from | $492 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 7,457,451 searches. Data last updated October 3, 2026.
Use the filters below to find and compare flights from Missouri to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 12/26
5:23 pm-12:58 pm
1 stop17h 35m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$560
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Sun 12/20
6:03 am-2:15 pm
1 stop30h 12m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$570
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Mon 2/22
5:00 am-4:02 pm
1 stop9h 02m
Castries Hewanorra
Fri 2/26
3:50 pm-11:57 pm
1 stop10h 07m
$637
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 2/9
5:00 am-2:46 pm
1 stop7h 46m
Castries Hewanorra
Thu 2/18
3:50 pm-9:42 am
2 stops19h 52m
$639
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Sun 11/1
5:02 am-3:41 pm
1 stop8h 39m
Castries Hewanorra
Thu 11/5
2:32 pm-8:07 am
2 stops19h 35m
$655
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 1/31
5:00 am-2:46 pm
1 stop7h 46m
Castries Hewanorra
Mon 2/8
3:46 pm-11:59 pm
1 stop10h 13m
$676
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 11/14
5:44 pm-1:30 pm
1 stop17h 46m
Castries Hewanorra
Sat 11/21
3:56 pm-11:59 pm
1 stop10h 03m
$676
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 11/28
6:35 pm-3:27 pm
1 stop18h 52m
Castries Hewanorra
Sat 12/5
2:32 pm-11:59 pm
1 stop11h 27m
$676
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 10/31
5:20 pm-3:07 pm
2 stops20h 47m
Castries Hewanorra
Sat 11/7
4:41 pm-11:15 am
2 stops20h 34m
$681
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Thu 1/7
5:00 am-3:38 pm
1 stop8h 38m
Castries Hewanorra
Tue 1/12
4:38 pm-1:30 pm
2 stops22h 52m
$731
Showing 1-10 of 14 resultsSorted by cheapest first
Best time to book a flight from Missouri to Saint Lucia
Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Missouri with our price prediction graph.
MCI-UVF
STL-UVF
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 Missouri to Saint Lucia
USMO-LC0
MCI-UVF
STL-UVF
What is the cheapest month to book a flight from Missouri to Saint Lucia?
Currently, July is the cheapest month in which you can book a flight from Missouri to Saint Lucia (average of $684). Flying from Missouri to Saint Lucia in December is currently the most expensive (average of $1,187). 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.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Missouri to Saint Lucia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Saint Lucia by cabin class
Find flights from Missouri to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Saint Lucia flights
Browse other Missouri and Saint Lucia flight options. Last updated on October 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Missouri to Saint Lucia
Discover the top 2 airlines that operate flights from Missouri 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 7,457,451 searches. Data last updated October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$616 | Average$888 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$620 | Average$869 | FlexibilityNo cancel fee | On-timeN/A |