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Saint Lucia

$575+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$575
(Delta)

Popular in

March

Cheapest in

December
From Missouri to Saint Lucia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($51 potential savings vs. average RT price).
Search Deals

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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 8/256:00 amSTL - UVF
1 stop7h 15mDelta
Fri 8/293:35 pmUVF - STL
1 stop18h 19mDelta
Deal found 7/3$575
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 8/257:59 pmSTL - UVF
2 stops17h 26mAmerican Airlines
Fri 8/293:35 pmUVF - STL
1 stop9h 24mAmerican Airlines
Deal found 7/3$580
This American Airlines deal was found by Cheapflights users on 7/3. 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 9/55:06 amMCI - UVF
1 stop8h 11mAmerican Airlines
Fri 9/123:17 pmUVF - MCI
1 stop9h 42mAmerican Airlines
Deal found 7/3$616
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/95:45 amMCI - UVF
1 stop7h 35mDelta
Sat 8/163:37 pmUVF - MCI
1 stop9h 17mDelta
Deal found 7/2$667
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:15 amSTL - UVF
1 stop28h 00mMultiple Airlines
Sun 8/312:35 pmUVF - STL
3 stops27h 10mMultiple Airlines
Deal found 7/2$784
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Thu 10/236:43 pmMCI - SLU
3 stops41h 27mMultiple Airlines
Wed 10/2910:15 amSLU - MCI
3 stops32h 23mMultiple Airlines
Deal found 7/1$936
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:05 amMCI - UVF
1 stop8h 25mUnited Airlines
Sat 8/232:35 pmUVF - MCI
2 stops19h 34mUnited Airlines
Deal found 7/2$1,150
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:00 amMCI - UVF
3 stops30h 45mMultiple Airlines
Tue 7/293:10 pmUVF - MCI
2 stops25h 07mMultiple Airlines
Deal found 7/3$1,668
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:00 pmSTL - SLU
3 stops19h 05mMultiple Airlines
Sun 8/315:00 amSLU - STL
2 stops15h 45mMultiple Airlines
Deal found 7/2$1,690

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 3, 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

Mon 8/25

6:00 am-2:15 pm

1 stop7h 15m

Castries Hewanorra

Fri 8/29

3:35 pm-8:54 am

1 stop18h 19m

$575

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/25

7:59 pm-2:25 pm

2 stops17h 26m

Castries Hewanorra

Fri 8/29

3:35 pm-11:59 pm

1 stop9h 24m

$580

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 9/5

5:06 am-2:17 pm

1 stop8h 11m

Castries Hewanorra

Fri 9/12

3:17 pm-11:59 pm

1 stop9h 42m

$616

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/9

5:45 am-2:20 pm

1 stop7h 35m

Castries Hewanorra

Sat 8/16

3:37 pm-11:54 pm

1 stop9h 17m

$667

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/25

9:15 am-2:15 pm

1 stop28h 00m

Castries Hewanorra

Sun 8/31

2:35 pm-4:45 pm

3 stops27h 10m

$784

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

Thu 10/23

6:43 pm-1:10 pm

3 stops41h 27m

Castries George F. L. Charle

Wed 10/29

10:15 am-5:38 pm

3 stops32h 23m

$936

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/16

6:05 am-3:30 pm

1 stop8h 25m

Castries Hewanorra

Sat 8/23

2:35 pm-9:09 am

2 stops19h 34m

$1,150

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Wed 7/23

6:00 am-1:45 pm

3 stops30h 45m

Castries Hewanorra

Tue 7/29

3:10 pm-3:17 pm

2 stops25h 07m

$1,668

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Mon 8/25

4:00 pm-12:05 pm

3 stops19h 05m

Castries George F. L. Charle

Sun 8/31

5:00 am-7:45 pm

2 stops15h 45m

$1,690

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 10/26

5:30 am-1:40 pm

1 stop7h 10m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

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 July 3, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Missouri to Saint Lucia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$704FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$450Average$707FlexibilityNo cancel feeOn-time71%

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