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Saint Lucia

$733+ 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
May 17 — May 241
Sun 5/17
Sun 5/24
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 April 17, 2026.

This American Airlines deal was found by Cheapflights users on 4/14. 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 8/225:55 pm
MCI
-
UVF
2 stops19h 09m
American Airlines
Fri 8/283:04 pm
UVF
-
MCI
1 stop9h 45m
American Airlines
Deal found 4/14$733
This American Airlines deal was found by Cheapflights users on 4/14. 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 8/155:55 pm
MCI
-
UVF
1 stop19h 34m
American Airlines
Fri 8/213:14 pm
UVF
-
MCI
2 stops20h 17m
American Airlines
Deal found 4/14$744
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 8/75:39 am
MCI
-
UVF
1 stop7h 33m
Delta
Thu 8/133:28 pm
UVF
-
MCI
1 stop9h 24m
Delta
Deal found 4/14$753
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 11/33:41 pm
MCI
-
UVF
2 stops19h 40m
American Airlines
Sun 11/84:50 pm
UVF
-
MCI
2 stops19h 30m
American Airlines
Deal found 4/15$763
This American Airlines deal was found by Cheapflights users on 4/14. 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 9/194:21 pm
MCI
-
UVF
2 stops20h 29m
American Airlines
Fri 9/254:00 pm
UVF
-
MCI
1 stop8h 38m
American Airlines
Deal found 4/14$766
This Delta deal was found by Cheapflights users on 4/14. 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 7/65:39 am
MCI
-
UVF
1 stop7h 34m
Delta
Sun 7/123:33 pm
UVF
-
MCI
1 stop9h 24m
Delta
Deal found 4/14$786
This American Airlines deal was found by Cheapflights users on 4/13. 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 6/125:21 pm
MCI
-
UVF
1 stop18h 45m
American Airlines
Thu 6/183:16 pm
UVF
-
MCI
2 stops20h 22m
American Airlines
Deal found 4/13$791
This American Airlines deal was found by Cheapflights users on 4/14. 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 9/266:29 pm
MCI
-
UVF
2 stops18h 21m
American Airlines
Fri 10/24:00 pm
UVF
-
MCI
1 stop8h 38m
American Airlines
Deal found 4/14$796
This American Airlines deal was found by Cheapflights users on 4/13. 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 5/295:21 pm
MCI
-
UVF
1 stop18h 45m
American Airlines
Fri 6/53:16 pm
UVF
-
MCI
2 stops22h 31m
American Airlines
Deal found 4/13$821
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Wed 5/2010:35 am
MCI
-
SLU
3 stops31h 25m
Multiple Airlines
Sun 5/245:00 am
SLU
-
MCI
3 stops29h 29m
Multiple Airlines
Deal found 4/16$1,289
This Mytrip deal was found by Cheapflights users on 4/13. 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 6/1110:35 am
MCI
-
SLU
3 stops27h 00m
Multiple Airlines
Wed 6/1712:35 pm
SLU
-
MCI
3 stops30h 44m
Multiple Airlines
Deal found 4/13$1,502

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 April 17, 2026.

Round-trip from

$733
(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 April 17, 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

Cheapest round-trip

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

5:14 pm-2:29 pm

2 stops20h 15m

Castries Hewanorra

Fri 8/28

3:04 pm-11:49 pm

1 stop9h 45m

$733

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 5/29

5:21 pm-12:05 pm

2 stops17h 44m

Castries Hewanorra

Fri 6/5

3:16 pm-12:47 pm

2 stops22h 31m

$861

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Wed 8/5

5:39 am-2:12 pm

1 stop7h 33m

Castries Hewanorra

Tue 8/11

3:28 pm-11:52 pm

1 stop9h 24m

$863

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 8/3

6:42 pm-2:12 pm

1 stop18h 30m

Castries Hewanorra

Mon 8/10

3:28 pm-11:52 pm

1 stop9h 24m

$876

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 7/31

5:39 am-2:12 pm

1 stop7h 33m

Castries Hewanorra

Thu 8/6

3:33 pm-9:23 am

1 stop18h 50m

$876

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 8/4

5:39 am-2:12 pm

1 stop7h 33m

Castries Hewanorra

Mon 8/10

3:28 pm-11:52 pm

1 stop9h 24m

$876

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 7/23

6:42 pm-2:12 pm

1 stop18h 30m

Castries Hewanorra

Thu 7/30

3:33 pm-9:23 am

1 stop18h 50m

$888
Quickest round-trip

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 9/26

5:40 am-2:13 pm

1 stop7h 33m

Castries Hewanorra

Fri 10/2

3:38 pm-11:52 pm

1 stop9h 14m

$888

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 5/26

5:39 am-2:05 pm

1 stop7h 26m

Castries Hewanorra

Sun 5/31

3:25 pm-11:49 pm

1 stop9h 24m

$928

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/1

5:21 pm-2:00 pm

2 stops19h 39m

Castries Hewanorra

Sat 8/8

3:04 pm-11:58 am

2 stops21h 54m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 $483). Flying from Kansas City to Saint Lucia in October is currently the most expensive (average of $784). 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 April 17, 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
8,406 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
8,406 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
7.1
Good
11,593 reviews
Delta
7.9
Good
8,406 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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 33m. American Airlines provides one of the quickest options available for as low as $863. 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 $483). Flying from Kansas City to Saint Lucia in October is currently the most expensive (average of $784). 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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$606Average$836FlexibilityNo cancel feeOn-time71%
DeltaCheapest$606Average$832FlexibilityNo cancel feeOn-timeN/A

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