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Saint Lucia

$325+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$575
(American Airlines)

One-way from

$325
(American Airlines)

Popular in

March

Cheapest in

December

Average price

$1,054
From Missouri to Saint Lucia
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One-way flight from Missouri to Saint Lucia
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Highest demand for flights based on searches. 17% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/15. 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 10/295:29 amSTL - UVF
1 stop6h 51mAmerican Airlines
Tue 11/43:05 pmUVF - STL
1 stop9h 56mAmerican Airlines
Deal found 6/15$575
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/157:30 pmMCI - UVF
2 stops17h 47mAmerican Airlines
Fri 9/193:17 pmUVF - MCI
1 stop9h 42mAmerican Airlines
Deal found 6/17$596
This Delta deal was found by Cheapflights users on 6/18. 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 8/185:50 amMCI - UVF
1 stop7h 25mDelta
Sat 8/233:37 pmUVF - MCI
1 stop9h 17mDelta
Deal found 6/18$616
This Mytrip deal was found by Cheapflights users on 6/16. 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 7/711:28 amSTL - UVF
3 stops25h 47mMultiple Airlines
Thu 7/172:35 pmUVF - STL
2 stops20h 17mMultiple Airlines
Deal found 6/16$851
This Mytrip deal was found by Cheapflights users on 6/16. 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 9/155:45 amMCI - UVF
3 stops31h 30mMultiple Airlines
Fri 9/193:10 pmUVF - MCI
3 stops21h 23mMultiple Airlines
Deal found 6/16$912
This Mytrip deal was found by Cheapflights users on 6/16. 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 7/1410:47 amSTL - SLU
3 stops31h 13mMultiple Airlines
Fri 7/1812:35 pmSLU - STL
3 stops27h 04mMultiple Airlines
Deal found 6/16$1,286
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/251:20 pmSTL - UVF
1 stop25h 10mUnited Airlines
Sat 8/212:55 pmUVF - STL
1 stop10h 50mUnited Airlines
Deal found 6/18$1,371
This Delta deal was found by Cheapflights users on 6/17. 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 6/256:00 amSTL - UVF
1 stop7h 16mDelta
Mon 6/303:36 pmUVF - STL
1 stop9h 00mDelta
Deal found 6/17$1,763

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 June 18, 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

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 9/15

7:30 pm-2:17 pm

2 stops17h 47m

Castries Hewanorra

Fri 9/19

3:17 pm-11:59 pm

1 stop9h 42m

$596

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 8/18

5:50 am-2:15 pm

1 stop7h 25m

Castries Hewanorra

Sat 8/23

3:37 pm-11:54 pm

1 stop9h 17m

$616

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Thu 8/14

4:19 pm-1:45 pm

2 stops20h 26m

Castries Hewanorra

Sun 8/24

2:55 pm-11:55 pm

1 stop10h 00m

$635

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 7/7

11:28 am-2:15 pm

3 stops25h 47m

Castries Hewanorra

Thu 7/17

2:35 pm-9:52 am

2 stops20h 17m

$851

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 9/15

5:45 am-2:15 pm

3 stops31h 30m

Castries Hewanorra

Fri 9/19

3:10 pm-11:33 am

3 stops21h 23m

$912

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Mon 7/14

10:47 am-7:00 pm

3 stops31h 13m

Castries George F. L. Charle

Fri 7/18

12:35 pm-2:39 pm

3 stops27h 04m

$1,286

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Fri 7/25

1:20 pm-3:30 pm

1 stop25h 10m

Castries Hewanorra

Sat 8/2

12:55 pm-10:45 pm

1 stop10h 50m

$1,371

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Wed 6/25

6:00 am-2:16 pm

1 stop7h 16m

Castries Hewanorra

Mon 6/30

3:36 pm-11:36 pm

1 stop9h 00m

$1,763

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 7/31

5:00 am-2:20 pm

1 stop8h 20m

$325

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 7/31

4:23 pm-7:25 pm

3 stops50h 02m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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 June 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines 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
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,964 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$702FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$450Average$708FlexibilityNo cancel feeOn-time71%

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