$601+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
Feb 28 — Mar 71
1 adult, Economy
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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
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Best
Last-minute
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 January 29, 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 January 29, 2026.
This American Airlines deal was found by Cheapflights users on 1/28. 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 10/176:04 pm
STL
- UVF
2 stops18h 21m
American Airlines
Fri 10/234:20 pm
UVF
- STL
1 stop8h 11m
American Airlines
Deal found 1/28![American Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 1/26. 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 8/156:33 pm
MCI
- UVF
1 stop18h 42m
American Airlines
Fri 8/213:15 pm
UVF
- MCI
1 stop9h 50m
American Airlines
Deal found 1/26![American Airlines logo]()
$612
This American Airlines deal was found by Cheapflights users on 1/28. 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 4/285:00 am
MCI
- UVF
1 stop7h 35m
American Airlines
Tue 5/53:21 pm
UVF
- MCI
2 stops19h 54m
American Airlines
Deal found 1/28![American Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:45 pm
STL
- UVF
1 stop18h 15m
American Airlines
Sat 11/144:04 pm
UVF
- STL
1 stop10h 01m
American Airlines
Deal found 1/27![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:24 pm
MCI
- UVF
1 stop20h 01m
American Airlines
Wed 11/44:04 pm
UVF
- MCI
1 stop9h 58m
American Airlines
Deal found 1/27![American Airlines logo]()
$622
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:05 pm
STL
- UVF
1 stop21h 20m
Air Canada
Thu 3/124:15 pm
UVF
- STL
1 stop24h 14m
Air Canada
Deal found 1/28![Air Canada logo]()
$629
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:35 pm
MCI
- UVF
2 stops20h 15m
American Airlines
Sun 11/154:04 pm
UVF
- MCI
2 stops20h 16m
American Airlines
Deal found 1/27![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 1/28. 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 9/95:46 pm
STL
- UVF
2 stops19h 04m
American Airlines
Mon 9/144:00 pm
UVF
- STL
2 stops24h 27m
American Airlines
Deal found 1/28![American Airlines logo]()
$651
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:33 pm
MCI
- UVF
2 stops18h 15m
American Airlines
Mon 3/233:58 pm
UVF
- MCI
2 stops21h 29m
American Airlines
Deal found 1/27![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:36 pm
STL
- UVF
2 stops18h 22m
American Airlines
Thu 3/123:58 pm
UVF
- STL
1 stop9h 00m
American Airlines
Deal found 1/27![American Airlines logo]()
$657
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/236:20 pm
STL
- UVF
1 stop18h 28m
American Airlines
Mon 3/23:48 pm
UVF
- STL
1 stop10h 08m
American Airlines
Deal found 1/26![American Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:35 am
MCI
- UVF
1 stop7h 30m
Delta
Tue 3/34:25 pm
UVF
- MCI
1 stop9h 15m
Delta
Deal found 1/27![Delta logo]()
$663
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 January 29, 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 January 29, 2026.
This American Airlines deal was found by Cheapflights users on 1/28. 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 4/285:00 am
MCI
- UVF
1 stop7h 35m
American Airlines
Tue 5/53:21 pm
UVF
- MCI
2 stops19h 54m
American Airlines
Deal found 1/28![American Airlines logo]()
$617
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:05 pm
STL
- UVF
1 stop21h 20m
Air Canada
Thu 3/124:15 pm
UVF
- STL
1 stop24h 14m
Air Canada
Deal found 1/28![Air Canada logo]()
$629
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
STL
- UVF
1 stop7h 05m
Delta
Mon 3/93:18 pm
UVF
- STL
1 stop9h 40m
Delta
Deal found 1/28![Delta logo]()
$688
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/236:20 pm
STL
- UVF
1 stop18h 28m
American Airlines
Mon 3/23:48 pm
UVF
- STL
1 stop10h 08m
American Airlines
Deal found 1/26![American Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Mon 3/233:18 pm
UVF
- MCI
1 stop22h 09m
American Airlines
Deal found 1/27![American Airlines logo]()
$665
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:26 am
MCI
- SLU
3 stops27h 09m
Multiple Airlines
Fri 4/106:00 pm
SLU
- MCI
3 stops30h 53m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$1,470
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Tue 3/34:58 pm
UVF
- MCI
2 stops19h 14m
American Airlines
Deal found 1/27![American Airlines logo]()
$668
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 4/122:12 pm
STL
- UVF
2 stops22h 23m
American Airlines
Fri 4/173:28 pm
UVF
- STL
1 stop18h 00m
American Airlines
Deal found 1/28![American Airlines logo]()
$671
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:51 pm
MCI
- UVF
2 stops19h 44m
American Airlines
Tue 4/213:21 pm
UVF
- MCI
1 stop22h 55m
American Airlines
Deal found 1/27![American Airlines logo]()
$682
This American Airlines deal was found by Cheapflights users on 1/28. 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 5/52:38 pm
MCI
- UVF
2 stops21h 57m
American Airlines
Sat 5/92:10 pm
UVF
- MCI
1 stop27h 07m
American Airlines
Deal found 1/28![American Airlines logo]()
$684
This American Airlines deal was found by Cheapflights users on 1/26. 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 5/96:53 pm
STL
- UVF
2 stops17h 42m
American Airlines
Fri 5/153:28 pm
UVF
- STL
1 stop18h 00m
American Airlines
Deal found 1/26![American Airlines logo]()
$685
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/56:57 pm
STL
- UVF
2 stops19h 01m
American Airlines
Mon 3/93:58 pm
UVF
- STL
1 stop9h 00m
American Airlines
Deal found 1/28![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:24 am
STL
- UVF
1 stop7h 11m
American Airlines
Mon 5/112:35 pm
UVF
- STL
2 stops22h 02m
American Airlines
Deal found 1/27![American Airlines logo]()
$710
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 4/73:32 pm
MCI
- UVF
2 stops21h 03m
American Airlines
Mon 4/133:28 pm
UVF
- MCI
2 stops19h 47m
American Airlines
Deal found 1/29![American Airlines logo]()
$718
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:25 am
STL
- SLU
3 stops30h 10m
Multiple Airlines
Thu 7/25:50 pm
SLU
- STL
2 stops51h 12m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$3,725
Last-minute flights from Missouri to Saint LuciaDiscover last-minute flight deals from Missouri to Saint Lucia. Data last updated January 29, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Saint Lucia. Data last updated January 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 1/26. 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 1/305:00 am
MCI
- UVF
1 stop9h 02m
American Airlines
Sun 2/12:46 pm
UVF
- MCI
1 stop11h 13m
American Airlines
Deal found 1/26![American Airlines logo]()
$1,063
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/33:24 pm
MCI
- UVF
2 stops22h 56m
Air Canada
Wed 2/115:15 pm
UVF
- MCI
2 stops30h 44m
Air Canada
Deal found 1/27![Air Canada logo]()
$2,015
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/73:54 pm
STL
- UVF
2 stops19h 52m
American Airlines
Sat 2/144:58 pm
UVF
- STL
1 stop8h 58m
American Airlines
Deal found 1/27![American Airlines logo]()
$892
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:04 pm
STL
- UVF
2 stops20h 14m
American Airlines
Mon 2/164:58 pm
UVF
- STL
1 stop8h 58m
American Airlines
Deal found 1/27![American Airlines logo]()
$883
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:14 am
STL
- UVF
1 stop8h 44m
American Airlines
Mon 2/234:58 pm
UVF
- STL
1 stop8h 58m
American Airlines
Deal found 1/27![American Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/186:20 pm
STL
- UVF
1 stop18h 28m
American Airlines
Mon 2/234:58 pm
UVF
- STL
1 stop19h 34m
American Airlines
Deal found 1/26![American Airlines logo]()
$741
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:57 pm
MCI
- UVF
2 stops16h 51m
American Airlines
Sat 2/283:08 pm
UVF
- MCI
1 stop10h 25m
American Airlines
Deal found 1/27![American Airlines logo]()
$776
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/236:20 pm
STL
- UVF
1 stop18h 28m
American Airlines
Mon 3/23:48 pm
UVF
- STL
1 stop10h 08m
American Airlines
Deal found 1/26![American Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:35 am
MCI
- UVF
1 stop7h 30m
Delta
Tue 3/34:25 pm
UVF
- MCI
1 stop9h 15m
Delta
Deal found 1/27![Delta logo]()
$663
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Tue 3/34:58 pm
UVF
- MCI
2 stops19h 14m
American Airlines
Deal found 1/27![American Airlines logo]()
$668
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 January 29, 2026.
Round-trip from | $617 (American Airlines) |
|---|---|
Popular in | June |
Cheapest in | July |
Average price | $926 |
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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Missouri to Saint Lucia that are best for you.
Fly from
Missouri
Fly to
Saint Lucia
Route
Depart
Return
Price
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 4/28
5:00 am-1:35 pm
1 stop7h 35m
Castries Hewanorra
Tue 5/5
3:21 pm-10:15 am
2 stops19h 54m
$617
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Sat 3/7
4:05 pm-3:25 pm
1 stop21h 20m
Castries Hewanorra
Thu 3/12
4:15 pm-3:29 pm
1 stop24h 14m
$629
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Mon 2/23
6:20 pm-2:48 pm
1 stop18h 28m
Castries Hewanorra
Mon 3/2
3:48 pm-11:56 pm
1 stop10h 08m
$663
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 3/16
6:33 pm-2:58 pm
2 stops19h 25m
Castries Hewanorra
Mon 3/23
3:18 pm-12:27 pm
1 stop22h 09m
$665
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 2/26
6:33 pm-3:58 pm
2 stops19h 25m
Castries Hewanorra
Tue 3/3
4:58 pm-10:12 am
2 stops19h 14m
$668
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Sun 4/12
2:12 pm-1:35 pm
2 stops22h 23m
Castries Hewanorra
Fri 4/17
3:28 pm-8:28 am
1 stop18h 00m
$671
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 4/15
4:51 pm-1:35 pm
2 stops19h 44m
Castries Hewanorra
Tue 4/21
3:21 pm-1:16 pm
1 stop22h 55m
$682
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 5/5
2:38 pm-1:35 pm
2 stops21h 57m
Castries Hewanorra
Sat 5/9
2:10 pm-4:17 pm
1 stop27h 07m
$684
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Sat 5/9
6:53 pm-1:35 pm
2 stops17h 42m
Castries Hewanorra
Fri 5/15
3:28 pm-8:28 am
1 stop18h 00m
$685
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Thu 3/5
6:00 am-3:05 pm
1 stop7h 05m
Castries Hewanorra
Mon 3/9
3:18 pm-11:58 pm
1 stop9h 40m
$688
Showing 1-10 of 15 results
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
MCI-SLU
STL-SLU
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
MCI-SLU
STL-SLU
What is the cheapest month to book a flight from Missouri to Saint Lucia?
Currently, October is the cheapest month in which you can book a flight from Missouri to Saint Lucia (average of $550). Flying from Missouri to Saint Lucia in June is currently the most expensive (average of $671). 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 for Missouri to Saint Lucia
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$532 | Average$779 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$575 | Average$827 | FlexibilityNo cancel fee | On-timeN/A |