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Saint Lucia

$668+ Cheap flights from Kansas City (MCI) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from Kansas City to Saint Lucia

Cheapest flights from Kansas City to Saint Lucia
Explore the most affordable flight options available from Kansas City to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 28, 2026.

This American Airlines deal was found by Cheapflights users on 2/25. 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 8/226:33 pm
MCI
-
UVF
1 stop18h 42m
American Airlines
Fri 8/283:09 pm
UVF
-
MCI
1 stop10h 20m
American Airlines
Deal found 2/25$668
This American Airlines deal was found by Cheapflights users on 2/27. 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 6/15:20 pm
MCI
-
UVF
2 stops17h 42m
American Airlines
Thu 6/43:16 pm
UVF
-
MCI
1 stop8h 46m
American Airlines
Deal found 2/27$679
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/106:28 pm
MCI
-
UVF
1 stop18h 58m
American Airlines
Fri 4/173:28 pm
UVF
-
MCI
1 stop18h 33m
American Airlines
Deal found 2/24$693
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/85:00 am
MCI
-
UVF
1 stop7h 45m
American Airlines
Thu 4/163:28 pm
UVF
-
MCI
1 stop18h 33m
American Airlines
Deal found 2/24$701
This Delta deal was found by Cheapflights users on 2/25. 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.
Thu 4/25:54 am
MCI
-
UVF
1 stop7h 04m
Delta
Mon 4/63:18 pm
UVF
-
MCI
1 stop9h 54m
Delta
Deal found 2/25$718
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/133:28 pm
MCI
-
UVF
2 stops21h 17m
American Airlines
Mon 4/202:45 pm
UVF
-
MCI
2 stops23h 15m
American Airlines
Deal found 2/24$720
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/145:52 pm
MCI
-
UVF
1 stop18h 53m
American Airlines
Tue 4/213:13 pm
UVF
-
MCI
2 stops20h 02m
American Airlines
Deal found 2/24$721
This American Airlines deal was found by Cheapflights users on 2/25. 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 4/25:00 am
MCI
-
UVF
1 stop8h 58m
American Airlines
Mon 4/63:58 pm
UVF
-
MCI
2 stops22h 02m
American Airlines
Deal found 2/25$723
This American Airlines deal was found by Cheapflights users on 2/26. 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 5/285:21 pm
MCI
-
UVF
2 stops19h 55m
American Airlines
Tue 6/21:02 pm
UVF
-
MCI
1 stop10h 59m
American Airlines
Deal found 2/26$743
This Mytrip deal was found by Cheapflights users on 2/27. 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.
Fri 3/205:45 am
MCI
-
SLU
3 stops30h 25m
Multiple Airlines
Thu 3/265:50 pm
SLU
-
MCI
3 stops31h 03m
Multiple Airlines
Deal found 2/27$1,208

Find flight deals from Kansas City to Saint Lucia

Keep the following information in mind while searching for Kansas City to Saint Lucia flight deals. Data was last updated February 28, 2026.

Round-trip from

$668
(American Airlines)
From Kansas City to Saint Lucia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 February 28, 2026.
Use the filters below to find and compare flights from Kansas City to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 4/25

3:28 pm-1:45 pm

2 stops21h 17m

Castries Hewanorra

Wed 4/29

2:45 pm-10:15 am

2 stops20h 30m

$673

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 4/2

5:54 am-1:58 pm

1 stop7h 04m

Castries Hewanorra

Mon 4/6

3:18 pm-12:12 am

1 stop9h 54m

$718

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 6/5

5:21 pm-12:02 pm

2 stops17h 41m

Castries Hewanorra

Fri 6/12

2:58 pm-10:36 am

2 stops20h 38m

$783

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Wed 5/27

12:16 pm-12:02 pm

2 stops22h 46m

Castries Hewanorra

Tue 6/2

1:02 pm-8:29 am

2 stops20h 27m

$808

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 3/21

5:54 am-1:58 pm

1 stop7h 04m

Castries Hewanorra

Sat 3/28

3:18 pm-12:12 am

1 stop9h 54m

$926

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 3/31

5:54 am-1:58 pm

1 stop7h 04m

Castries Hewanorra

Fri 4/3

3:18 pm-12:12 am

1 stop9h 54m

$940

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 3/31

5:00 am-1:48 pm

1 stop7h 48m

Castries Hewanorra

Fri 4/3

3:58 pm-12:39 am

1 stop9h 41m

$940

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 4/26

5:40 am-2:02 pm

1 stop7h 22m

Castries Hewanorra

Sat 5/2

3:22 pm-11:50 pm

1 stop9h 28m

$1,019

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 4/13

5:40 am-2:02 pm

1 stop7h 22m

Castries Hewanorra

Mon 4/20

3:22 pm-11:50 pm

1 stop9h 28m

$1,019

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

Fri 3/20

5:45 am-1:10 pm

3 stops30h 25m

Castries George F. L. Charle

Thu 3/26

5:50 pm-11:53 pm

3 stops31h 03m

$1,208

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Sorted by cheapest first

Best time to book a flight from Kansas City to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Kansas City 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 Kansas City to Saint Lucia

What is the cheapest month to book a flight from Kansas City to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Kansas City to Saint Lucia (average of $562). Flying from Kansas City to Saint Lucia in May is currently the most expensive (average of $758). 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 February 28, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Kansas City to Saint Lucia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,245 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,367 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kansas City 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 airport do you fly from for flights from Kansas City to Saint Lucia?

    Most people fly from Kansas City (MCI) if they book a flight from Kansas City to Saint Lucia. Kansas City is conveniently located just 17.4 mi from Kansas City’s city center.

  • How long is the flight from Kansas City to Saint Lucia?

    A quick flight from Kansas City to Saint Lucia can take about 7h 04m. American Airlines provides one of the quickest options available for as low as $718. The distance between Kansas City and Saint Lucia is about 2704 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City 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 Kansas City to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Kansas City to Saint Lucia (average of $562). Flying from Kansas City to Saint Lucia in May is currently the most expensive (average of $758). 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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Top 2 airlines flying from Kansas City to Saint Lucia

Discover the top 2 airlines that operate flights from Kansas City 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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$606Average$798FlexibilityNo cancel feeOn-time71%
DeltaCheapest$606Average$896FlexibilityNo cancel feeOn-timeN/A

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