$675+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Saint Lucia with Cheapflights
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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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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 November 4, 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 November 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
1 stop7h 24m
Wed 12/234:56 pm -
1 stop9h 01m
Deal found 11/1![Delta logo]()
$675
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/16:35 pm -
1 stop18h 49m
Thu 12/104:24 pm -
1 stop10h 00m
Deal found 11/3![American Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/165:17 pm -
2 stops19h 58m
Wed 12/233:47 pm -
2 stops18h 50m
Deal found 11/1![American Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop7h 04m
Wed 12/234:56 pm -
1 stop8h 59m
Deal found 11/1![Delta logo]()
$731
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/45:37 pm -
1 stop17h 55m
Fri 12/114:24 pm -
1 stop19h 31m
Deal found 11/3![American Airlines logo]()
$737
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/175:00 am -
1 stop8h 08m
Thu 12/241:58 pm -
1 stop10h 37m
Deal found 11/1![American Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/165:00 am -
1 stop8h 41m
Wed 12/234:15 pm -
2 stops19h 12m
Deal found 11/1![American Airlines logo]()
$774
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/176:31 pm -
1 stop18h 44m
Thu 12/241:58 pm -
1 stop10h 44m
Deal found 11/2![American Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 12/205:20 am -
1 stop8h 16m
Tue 12/294:56 pm -
1 stop18h 28m
Deal found 10/30![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:40 am -
1 stop7h 24m
Fri 12/254:56 pm -
1 stop18h 29m
Deal found 11/3![Delta logo]()
$833
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/305:15 am -
1 stop8h 00m
Wed 1/63:46 pm -
1 stop8h 56m
Deal found 11/3![American Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 12/205:20 am -
1 stop8h 16m
Sun 12/274:56 pm -
1 stop18h 28m
Deal found 10/30![Delta logo]()
$869
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 November 4, 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 November 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/285:40 am -
1 stop7h 20m
Wed 5/53:20 pm -
1 stop9h 38m
Deal found 11/1![Delta logo]()
$675
This American Airlines deal was found by Cheapflights users on 10/31. 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 4/285:00 am -
1 stop7h 35m
Wed 5/52:35 pm -
2 stops20h 47m
Deal found 10/31![American Airlines logo]()
$684
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
1 stop7h 24m
Wed 12/234:56 pm -
1 stop9h 01m
Deal found 11/1![Delta logo]()
$675
This American Airlines deal was found by Cheapflights users on 10/31. 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 2/35:00 am -
1 stop8h 38m
Mon 2/83:46 pm -
1 stop10h 13m
Deal found 10/31![American Airlines logo]()
$722
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/165:17 pm -
2 stops19h 58m
Wed 12/233:47 pm -
2 stops18h 50m
Deal found 11/1![American Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop7h 04m
Wed 12/234:56 pm -
1 stop8h 59m
Deal found 11/1![Delta logo]()
$731
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/55:37 pm -
1 stop17h 55m
Sat 12/124:12 pm -
2 stops21h 07m
Deal found 11/4![American Airlines logo]()
$741
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:00 am -
1 stop7h 06m
Fri 2/54:35 pm -
1 stop8h 51m
Deal found 11/1![Delta logo]()
$767
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 1/75:00 am -
1 stop8h 38m
Tue 1/123:46 pm -
1 stop8h 56m
Deal found 11/1![American Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/316:00 am -
1 stop7h 06m
Sun 2/74:35 pm -
1 stop8h 51m
Deal found 11/1![Delta logo]()
$767
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/175:03 am -
1 stop7h 44m
Thu 12/241:58 pm -
2 stops23h 46m
Deal found 11/1![American Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/185:40 am -
1 stop7h 20m
Sat 4/242:05 pm -
1 stop10h 53m
Deal found 11/1![Delta logo]()
$819
This Delta deal was found by Cheapflights users on 10/30. 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 12/216:00 am -
1 stop7h 36m
Tue 12/294:56 pm -
1 stop8h 59m
Deal found 10/30![Delta logo]()
$893
This Delta deal was found by Cheapflights users on 11/1. 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 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 11/1![Delta logo]()
$895
Last-minute flights from Missouri to Saint LuciaDiscover last-minute flight deals from Missouri to Saint Lucia. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Saint Lucia. Data last updated November 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/16:35 pm -
1 stop18h 49m
Thu 12/104:24 pm -
1 stop10h 00m
Deal found 11/3![American Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/45:37 pm -
1 stop17h 55m
Fri 12/114:24 pm -
1 stop19h 31m
Deal found 11/3![American Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:40 am -
1 stop7h 24m
Wed 12/234:56 pm -
1 stop9h 01m
Deal found 11/1![Delta logo]()
$675
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/165:17 pm -
2 stops19h 58m
Wed 12/233:47 pm -
2 stops18h 50m
Deal found 11/1![American Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop7h 04m
Wed 12/234:56 pm -
1 stop8h 59m
Deal found 11/1![Delta logo]()
$731
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/165:00 am -
1 stop8h 41m
Wed 12/234:15 pm -
2 stops19h 12m
Deal found 11/1![American Airlines logo]()
$774
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/175:00 am -
1 stop8h 08m
Thu 12/241:58 pm -
1 stop10h 37m
Deal found 11/1![American Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/176:31 pm -
1 stop18h 44m
Thu 12/241:58 pm -
1 stop10h 44m
Deal found 11/2![American Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:40 am -
1 stop7h 24m
Fri 12/254:56 pm -
1 stop18h 29m
Deal found 11/3![Delta logo]()
$833
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 12/205:20 am -
1 stop8h 16m
Tue 12/294:56 pm -
1 stop18h 28m
Deal found 10/30![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 12/205:20 am -
1 stop8h 16m
Sun 12/274:56 pm -
1 stop18h 28m
Deal found 10/30![Delta logo]()
$869
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/305:15 am -
1 stop8h 00m
Wed 1/63:46 pm -
1 stop8h 56m
Deal found 11/3![American Airlines logo]()
$858
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 November 4, 2026.
Round-trip from | $635 (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 7,457,451 searches. Data last updated November 4, 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
Wed 4/28
5:40 am-2:00 pm
1 stop7h 20m
Castries Hewanorra
Wed 5/5
3:20 pm-11:58 pm
1 stop9h 38m
$675
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 12/16
5:40 am-3:04 pm
1 stop7h 24m
Castries Hewanorra
Wed 12/23
4:56 pm-11:57 pm
1 stop9h 01m
$675
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 4/28
5:00 am-1:35 pm
1 stop7h 35m
Castries Hewanorra
Wed 5/5
2:35 pm-10:22 am
2 stops20h 47m
$684
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 2/3
5:00 am-3:38 pm
1 stop8h 38m
Castries Hewanorra
Mon 2/8
3:46 pm-11:59 pm
1 stop10h 13m
$722
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 12/16
5:17 pm-3:15 pm
2 stops19h 58m
Castries Hewanorra
Wed 12/23
3:47 pm-8:37 am
2 stops18h 50m
$726
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Wed 12/16
6:00 am-3:04 pm
1 stop7h 04m
Castries Hewanorra
Wed 12/23
4:56 pm-11:55 pm
1 stop8h 59m
$731
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 12/5
5:37 pm-1:32 pm
1 stop17h 55m
Castries Hewanorra
Sat 12/12
4:12 pm-11:19 am
2 stops21h 07m
$741
Quickest round-trip
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Fri 1/29
6:00 am-3:06 pm
1 stop7h 06m
Castries Hewanorra
Fri 2/5
4:35 pm-11:26 pm
1 stop8h 51m
$767
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
3:46 pm-10:42 pm
1 stop8h 56m
$767
St. LouisCastries
STL Lambert-St Louis - UVF Castries Hewanorra
STLUVF
Lambert-St Louis
Sun 1/31
6:00 am-3:06 pm
1 stop7h 06m
Castries Hewanorra
Sun 2/7
4:35 pm-11:26 pm
1 stop8h 51m
$767
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
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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 November 4, 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$630 | Average$940 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$637 | Average$873 | FlexibilityNo cancel fee | On-time71% |