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Saint Lucia

$527+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
apr 5 — apr 121
lör 4/5
lör 4/12
1 adult, Economy
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Cheap 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 mars 31, 2025.

Round-trip from

$527
(Delta)

Popular in

March

Cheapest in

August

Average price

$1,279
From Missouri to Saint Lucia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from Missouri to Saint Lucia

Cheapest flights from Missouri to Saint Lucia
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 mars 31, 2025.

This Delta deal was found by Cheapflights users on 3/30. 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.
tis 4/86:00 amSTL - UVF
1 stop7h 04mDelta
tis 4/153:19 pmUVF - STL
1 stop9h 17mDelta
Deal found 3/30$527
This American Airlines deal was found by Cheapflights users on 3/30. 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.
lör 4/265:27 pmSTL - UVF
2 stops20h 01mAmerican Airlines
fre 5/22:45 pmUVF - STL
2 stops18h 45mAmerican Airlines
Deal found 3/30$532
This American Airlines deal was found by Cheapflights users on 3/30. 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.
tis 4/294:58 pmMCI - UVF
2 stops20h 30mAmerican Airlines
tis 5/63:14 pmUVF - MCI
2 stops18h 42mAmerican Airlines
Deal found 3/30$546
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 9/71:30 pmSTL - UVF
2 stops47h 45mAir Canada
fre 9/123:05 pmUVF - STL
1 stop25h 11mAir Canada
Deal found 3/30$591
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 4/175:45 amMCI - UVF
1 stop7h 14mDelta
tis 4/223:19 pmUVF - MCI
1 stop9h 40mDelta
Deal found 3/31$609
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 6/81:30 pmSTL - UVF
2 stops47h 45mMultiple Airlines
sön 6/152:35 pmUVF - STL
1 stop23h 01mMultiple Airlines
Deal found 3/31$746
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 6/810:10 amSTL - SLU
2 stops28h 40mMultiple Airlines
sön 6/155:00 amSLU - STL
2 stops30h 33mMultiple Airlines
Deal found 3/31$848
This Mytrip deal was found by Cheapflights users on 3/29. 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.
lör 6/711:26 amMCI - UVF
2 stops25h 19mMultiple Airlines
fre 6/133:10 pmUVF - MCI
3 stops30h 00mMultiple Airlines
Deal found 3/29$895
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 5/1810:15 amMCI - SLU
3 stops28h 35mMultiple Airlines
lör 5/246:20 pmSLU - MCI
3 stops29h 21mMultiple Airlines
Deal found 3/30$1,003
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/316:45 pmMCI - UVF
2 stops43h 00mAir Canada
sön 4/63:45 pmUVF - MCI
2 stops29h 04mAir Canada
Deal found 3/30$2,448

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 mars 31, 2025.
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

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

ons 4/16

6:00 am-1:59 pm

1 stop6h 59m

Castries Hewanorra

ons 4/23

3:19 pm-11:36 pm

1 stop9h 17m

$527

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

lör 4/26

5:00 pm-2:28 pm

2 stops20h 28m

Castries Hewanorra

fre 5/2

2:45 pm-10:20 pm

1 stop8h 35m

$532

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

tis 4/29

4:58 pm-2:28 pm

2 stops20h 30m

Castries Hewanorra

tis 5/6

3:14 pm-8:56 am

2 stops18h 42m

$546

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

sön 9/7

1:30 pm-2:15 pm

2 stops47h 45m

Castries Hewanorra

fre 9/12

3:05 pm-3:16 pm

1 stop25h 11m

$591

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

tors 4/17

5:45 am-1:59 pm

1 stop7h 14m

Castries Hewanorra

tis 4/22

3:19 pm-11:59 pm

1 stop9h 40m

$609

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

sön 6/8

1:30 pm-2:15 pm

2 stops47h 45m

Castries Hewanorra

sön 6/15

2:35 pm-12:36 pm

1 stop23h 01m

$746

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

lör 6/7

11:26 am-1:45 pm

2 stops25h 19m

Castries Hewanorra

fre 6/13

3:10 pm-8:10 pm

3 stops30h 00m

$895

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

sön 5/18

10:15 am-3:50 pm

3 stops28h 35m

Castries George F. L. Charle

lör 5/24

6:20 pm-10:41 pm

3 stops29h 21m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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.
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

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 $556). Flying from Missouri to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to LC?

Find hourly flight availability from Missouri to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mars 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Saint Lucia as you normally would.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated mars 31, 2025.
Read reviews from past customers who have flown Delta, American Airlines and Air Canada from Missouri to Saint Lucia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,012 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from 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.

  • Can I find deals for flights from Missouri to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Missouri to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Saint Lucia.

  • Can I find deals for business class flights from Missouri to Saint Lucia?

    Yes. Cheapflights offers flight deals from Missouri to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $556). Flying from Missouri to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.
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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 mars 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$633FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$455Average$708FlexibilityNo cancel feeOn-time71%
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