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Saint Lucia

$216+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — UVF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$550
(Air Canada)

One-way from

$216
(Air Canada)

Popular in

March

Cheapest in

October

Average price

$614
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. 12% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/30. 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.
Thu 6/127:30 amSTL - UVF
1 stop29h 45mAir Canada
Fri 6/273:10 pmUVF - STL
1 stop22h 26mAir Canada
Deal found 4/30$550
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 12/74:59 pmSTL - UVF
2 stops19h 21mAmerican Airlines
Wed 12/103:05 pmUVF - STL
1 stop10h 00mAmerican Airlines
Deal found 4/30$570
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 9/166:00 amMCI - UVF
1 stop7h 23mDelta
Thu 9/253:38 pmUVF - MCI
1 stop9h 19mDelta
Deal found 4/30$581
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 9/165:12 amMCI - UVF
1 stop7h 31mAmerican Airlines
Thu 9/253:34 pmUVF - MCI
2 stops19h 58mAmerican Airlines
Deal found 4/30$586
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 11/256:00 amSTL - UVF
1 stop7h 10mDelta
Tue 12/24:35 pmUVF - STL
1 stop9h 04mDelta
Deal found 4/30$619
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Sun 5/1110:15 amMCI - SLU
3 stops28h 35mMultiple Airlines
Sat 5/176:20 pmSLU - MCI
3 stops29h 21mMultiple Airlines
Deal found 5/1$1,081
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sun 5/1110:10 amSTL - SLU
2 stops28h 40mMultiple Airlines
Sat 5/176:20 pmSLU - STL
3 stops26h 23mMultiple Airlines
Deal found 4/30$1,487
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:00 amMCI - UVF
1 stop8h 30mUnited Airlines
Sat 6/2112:55 pmUVF - MCI
1 stop11h 20mUnited Airlines
Deal found 5/1$2,201

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 May 1, 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

Thu 6/12

7:30 am-2:15 pm

1 stop29h 45m

Castries Hewanorra

Tue 6/24

3:10 pm-7:58 pm

2 stops29h 48m

$550

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 9/16

6:00 am-2:23 pm

1 stop7h 23m

Castries Hewanorra

Thu 9/25

3:38 pm-11:57 pm

1 stop9h 19m

$581

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 9/16

4:25 pm-1:43 pm

2 stops20h 18m

Castries Hewanorra

Thu 9/25

3:34 pm-8:44 am

2 stops18h 10m

$586

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Fri 8/29

5:27 am-2:15 pm

1 stop7h 48m

Castries Hewanorra

Tue 9/2

3:20 pm-8:04 am

1 stop17h 44m

$590

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 6/15

6:00 am-2:16 pm

1 stop7h 16m

Castries Hewanorra

Thu 6/26

3:36 pm-11:51 pm

1 stop9h 15m

$726

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

Sun 5/11

10:15 am-3:50 pm

3 stops28h 35m

Castries George F. L. Charle

Sat 5/17

6:20 pm-10:41 pm

3 stops29h 21m

$1,081

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Sun 5/11

10:10 am-3:50 pm

2 stops28h 40m

Castries George F. L. Charle

Sat 5/17

6:20 pm-7:43 pm

3 stops26h 23m

$1,487

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 6/14

6:00 am-3:30 pm

1 stop8h 30m

Castries Hewanorra

Sat 6/21

12:55 pm-11:15 pm

1 stop11h 20m

$2,201

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Thu 5/29

7:30 am-2:15 pm

1 stop29h 45m

$216

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Fri 5/30

12:15 pm-1:45 pm

3 stops48h 30m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 12 results
1
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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 May 1, 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 May 1, 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
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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
9,254 reviews
Delta
8.0
Very good
7,934 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

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.

  • What are the cheapest airlines to fly from Missouri to Saint Lucia one-way?

    One-way options have recently been found by users for as low as $216 on Air Canada. Other airlines that offer cheap prices include American Airlines from $386 and Delta from $449 one-way.

  • 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$642FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$450Average$706FlexibilityNo cancel feeOn-time71%

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