$228+ Cheap flights from Missouri 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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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 July 9, 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 July 9, 2026.
This Expedia deal was found by Cheapflights users on 7/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm
STL
- UVF
1 stop22h 35m
Air Canada
Wed 12/25:40 pm
UVF
- STL
1 stop23h 46m
Air Canada
Deal found 7/7![Air Canada logo]()
$599
This Air Canada deal was found by Cheapflights users on 7/8. 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.
Mon 8/242:40 pm
STL
- UVF
1 stop22h 40m
Air Canada
Fri 8/283:15 pm
UVF
- STL
1 stop23h 49m
Air Canada
Deal found 7/8![Air Canada logo]()
$609
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/205:53 pm
MCI
- UVF
1 stop17h 22m
American Airlines
Thu 7/303:20 pm
UVF
- MCI
1 stop8h 38m
American Airlines
Deal found 7/9![American Airlines logo]()
$630
This Air Canada deal was found by Cheapflights users on 7/7. 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.
Mon 8/102:40 pm
STL
- UVF
1 stop22h 40m
Air Canada
Tue 8/183:15 pm
UVF
- STL
1 stop23h 47m
Air Canada
Deal found 7/7![Air Canada logo]()
$636
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/195:14 pm
MCI
- UVF
2 stops19h 35m
American Airlines
Thu 8/272:49 pm
UVF
- MCI
2 stops19h 04m
American Airlines
Deal found 7/6![American Airlines logo]()
$640
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/102:02 pm
MCI
- UVF
2 stops22h 47m
American Airlines
Mon 8/172:49 pm
UVF
- MCI
2 stops18h 51m
American Airlines
Deal found 7/5![American Airlines logo]()
$674
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/35:53 pm
MCI
- UVF
1 stop18h 57m
American Airlines
Mon 8/102:49 pm
UVF
- MCI
2 stops20h 41m
American Airlines
Deal found 7/5![American Airlines logo]()
$699
This American Airlines deal was found by Cheapflights users on 7/8. 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 12/56:39 pm
MCI
- UVF
1 stop18h 23m
American Airlines
Thu 12/104:53 pm
UVF
- MCI
1 stop9h 32m
American Airlines
Deal found 7/8![American Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 7/8. 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 9/262:54 pm
MCI
- UVF
2 stops22h 00m
American Airlines
Fri 10/23:02 pm
UVF
- MCI
1 stop8h 57m
American Airlines
Deal found 7/8![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 7/8. 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 9/195:02 am
MCI
- UVF
1 stop7h 52m
American Airlines
Fri 9/253:02 pm
UVF
- MCI
2 stops18h 36m
American Airlines
Deal found 7/8![American Airlines logo]()
$738
This American Airlines deal was found by Cheapflights users on 7/5. 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 10/226:32 pm
MCI
- UVF
1 stop18h 35m
American Airlines
Tue 10/273:01 pm
UVF
- MCI
1 stop26h 15m
American Airlines
Deal found 7/5![American Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 11/65:40 am
MCI
- UVF
1 stop7h 46m
Delta
Thu 11/124:25 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 7/7![Delta logo]()
$756
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 July 9, 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 July 9, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 8/226:00 am
MCI
- UVF
1 stop7h 14m
Delta
Fri 8/283:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 7/8![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 7/4. 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 8/224:32 pm
MCI
- UVF
2 stops20h 17m
American Airlines
Fri 8/282:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 7/4![American Airlines logo]()
$635
This Orbitz deal was found by Cheapflights users on 7/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:05 pm
STL
- UVF
1 stop22h 35m
Air Canada
Fri 12/185:40 pm
UVF
- STL
1 stop23h 46m
Air Canada
Deal found 7/5![Air Canada logo]()
$672
This Orbitz deal was found by Cheapflights users on 7/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:40 pm
STL
- SLU
2 stops27h 20m
Multiple Airlines
Sat 9/1912:35 pm
SLU
- STL
2 stops26h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 7/6. 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.
Wed 8/195:43 am
MCI
- UVF
1 stop7h 31m
Delta
Thu 8/273:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 7/6![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/205:53 pm
MCI
- UVF
1 stop17h 22m
American Airlines
Thu 7/301:10 pm
UVF
- MCI
2 stops20h 22m
American Airlines
Deal found 7/9![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/35:53 pm
MCI
- UVF
1 stop18h 57m
American Airlines
Mon 8/102:49 pm
UVF
- MCI
2 stops20h 41m
American Airlines
Deal found 7/5![American Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 7/4. 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
STL
- UVF
1 stop7h 10m
Delta
Fri 12/44:25 pm
UVF
- STL
1 stop9h 14m
Delta
Deal found 7/4![Delta logo]()
$710
This Delta deal was found by Cheapflights users on 7/7. 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
STL
- UVF
1 stop7h 10m
Delta
Wed 12/24:25 pm
UVF
- STL
1 stop9h 14m
Delta
Deal found 7/7![Delta logo]()
$710
This American Airlines deal was found by Cheapflights users on 7/7. 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 9/265:24 pm
MCI
- UVF
2 stops19h 30m
American Airlines
Fri 10/23:02 pm
UVF
- MCI
2 stops18h 56m
American Airlines
Deal found 7/7![American Airlines logo]()
$713
This Orbitz deal was found by Cheapflights users on 7/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:55 am
STL
- SLU
2 stops33h 05m
Multiple Airlines
Wed 9/3012:35 pm
SLU
- STL
2 stops32h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$922
This American Airlines deal was found by Cheapflights users on 7/9. 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 12/76:00 pm
STL
- UVF
2 stops17h 19m
American Airlines
Sat 12/124:53 pm
UVF
- STL
2 stops19h 58m
American Airlines
Deal found 7/9![American Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 7/6. 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.
Fri 10/26:00 am
STL
- UVF
1 stop7h 12m
Delta
Mon 10/123:41 pm
UVF
- STL
1 stop9h 07m
Delta
Deal found 7/6![Delta logo]()
$780
This American Airlines deal was found by Cheapflights users on 7/4. 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 11/236:45 pm
STL
- UVF
2 stops19h 05m
American Airlines
Fri 12/42:23 pm
UVF
- STL
1 stop11h 36m
American Airlines
Deal found 7/4![American Airlines logo]()
$765
This Mytrip deal was found by Cheapflights users on 7/5. 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 8/242:40 pm
STL
- SLU
2 stops16h 30m
Multiple Airlines
Fri 8/2812:35 pm
SLU
- STL
3 stops31h 07m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,779
This Mytrip deal was found by Cheapflights users on 7/5. 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 11/24:05 pm
STL
- SLU
2 stops14h 05m
Multiple Airlines
Sun 11/86:55 pm
SLU
- STL
3 stops30h 14m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,974
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 am
STL
- SLU
3 stops28h 40m
Multiple Airlines
Tue 9/293:45 pm
SLU
- STL
2 stops53h 15m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$2,918
This Expedia deal was found by Cheapflights users on 7/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm
STL
- SLU
2 stops22h 00m
Multiple Airlines
Wed 12/210:15 am
SLU
- STL
2 stops31h 11m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$3,713
This Orbitz deal was found by Cheapflights users on 7/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/34:05 pm
STL
- SLU
2 stops22h 00m
Multiple Airlines
Fri 1/86:00 pm
SLU
- STL
3 stops47h 26m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$4,547
Last-minute flights from Missouri to Saint LuciaDiscover last-minute flight deals from Missouri to Saint Lucia. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Saint Lucia. Data last updated July 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:55 am
STL
- SLU
2 stops33h 05m
Multiple Airlines
Mon 7/139:10 am
SLU
- STL
2 stops36h 12m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,692
This American Airlines deal was found by Cheapflights users on 7/7. 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 7/155:21 pm
MCI
- UVF
2 stops19h 29m
American Airlines
Mon 7/202:50 pm
UVF
- MCI
1 stop10h 09m
American Airlines
Deal found 7/7![American Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 7/5. 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.
Wed 7/155:39 am
MCI
- UVF
1 stop7h 33m
Delta
Mon 7/203:33 pm
UVF
- MCI
1 stop9h 25m
Delta
Deal found 7/5![Delta logo]()
$902
This Delta deal was found by Cheapflights users on 7/5. 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.
Sun 7/196:00 am
STL
- UVF
1 stop7h 12m
Delta
Sun 7/263:33 pm
UVF
- STL
1 stop9h 20m
Delta
Deal found 7/5![Delta logo]()
$1,025
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/195:18 am
STL
- UVF
1 stop7h 32m
American Airlines
Sun 7/262:50 pm
UVF
- STL
2 stops20h 45m
American Airlines
Deal found 7/9![American Airlines logo]()
$1,035
This Mytrip deal was found by Cheapflights users on 7/5. 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 8/2412:10 pm
STL
- SLU
3 stops19h 00m
Multiple Airlines
Fri 8/2812:35 pm
SLU
- STL
3 stops31h 07m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,717
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 July 9, 2026.
Search for one-way flight options from Missouri to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. 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 8/265:01 am
MCI
- UVF
1 stop7h 48m
American Airlines
Deal found 7/8![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/116:53 pm
STL
- UVF
2 stops17h 38m
United Airlines
Deal found 7/7![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/7. 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 9/115:00 am
STL
- UVF
1 stop7h 54m
American Airlines
Deal found 7/7![American Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/112:00 pm
STL
- UVF
3 stops46h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$418
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 July 9, 2026.
Round-trip from | $599 (Expedia) |
|---|---|
One-way from | $349 (American 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 2,558,603 searches. Data last updated July 9, 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 - UVF
MCIUVF
Kansas City
Sat 8/22
6:00 am-2:14 pm
1 stop7h 14m
Castries Hewanorra
Fri 8/28
3:34 pm-11:58 pm
1 stop9h 24m
$630
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 8/19
5:43 am-2:14 pm
1 stop7h 31m
Castries Hewanorra
Thu 8/27
3:34 pm-11:58 pm
1 stop9h 24m
$630
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 8/22
4:32 pm-1:49 pm
2 stops20h 17m
Castries Hewanorra
Fri 8/28
2:49 pm-11:59 pm
1 stop10h 10m
$635
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 7/20
5:53 pm-12:15 pm
1 stop17h 22m
Castries Hewanorra
Thu 7/30
1:10 pm-8:32 am
2 stops20h 22m
$635
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Sun 12/13
4:05 pm-4:40 pm
1 stop22h 35m
Castries Hewanorra
Fri 12/18
5:40 pm-3:26 pm
1 stop23h 46m
$672
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/3
5:53 pm-1:50 pm
1 stop18h 57m
Castries Hewanorra
Mon 8/10
2:49 pm-10:30 am
2 stops20h 41m
$699
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Mon 11/23
6:00 am-3:10 pm
1 stop7h 10m
Castries Hewanorra
Fri 12/4
4:25 pm-11:39 pm
1 stop9h 14m
$710
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Mon 11/23
6:00 am-3:10 pm
1 stop7h 10m
Castries Hewanorra
Wed 12/2
4:25 pm-11:39 pm
1 stop9h 14m
$710
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 9/26
5:24 pm-1:54 pm
2 stops19h 30m
Castries Hewanorra
Fri 10/2
3:02 pm-8:58 am
2 stops18h 56m
$713
St. LouisCastries
STL - UVF
STLUVF
Lambert-St Louis
Mon 12/7
6:00 pm-1:19 pm
2 stops17h 19m
Castries Hewanorra
Sat 12/12
4:53 pm-10:51 am
2 stops19h 58m
$750
Showing 1-10 of 24 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
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
STL-SLU
What is the cheapest month to book a flight from Missouri to Saint Lucia?
Currently, January is the cheapest month in which you can book a flight from Missouri to Saint Lucia (average of $483). Flying from Missouri to Saint Lucia in December is currently the most expensive (average of $746). 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.
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Alternative routes for Missouri to Saint Lucia
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Complete your trip
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Missouri and Saint Lucia flights
Browse other Missouri and Saint Lucia flight options. Last updated on July 9, 2026.
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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 July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$575 | Average$843 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$600 | Average$847 | FlexibilityNo cancel fee | On-timeN/A |