HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$424+ Cheap flights from Kansas City (MCI) 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas City to Saint Lucia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 23, 2026.

This American Airlines deal was found by Cheapflights users on 5/22. 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 8/225:14 pm
MCI
-
UVF
2 stops20h 15m
American Airlines
Fri 8/283:04 pm
UVF
-
MCI
1 stop9h 45m
American Airlines
Deal found 5/22$693
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/65:53 pm
MCI
-
UVF
1 stop17h 22m
American Airlines
Mon 7/133:20 pm
UVF
-
MCI
1 stop8h 39m
American Airlines
Deal found 5/19$713
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/55:21 pm
MCI
-
UVF
2 stops19h 59m
American Airlines
Sun 7/123:20 pm
UVF
-
MCI
2 stops22h 26m
American Airlines
Deal found 5/19$723
This American Airlines deal was found by Cheapflights users on 5/20. 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 8/184:52 pm
MCI
-
UVF
1 stop20h 12m
American Airlines
Mon 8/243:04 pm
UVF
-
MCI
1 stop9h 45m
American Airlines
Deal found 5/20$727
This American Airlines deal was found by Cheapflights users on 5/20. 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 8/104:16 pm
MCI
-
UVF
2 stops20h 48m
American Airlines
Mon 8/173:14 pm
UVF
-
MCI
1 stop22h 00m
American Airlines
Deal found 5/20$729
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:18 pm
MCI
-
UVF
2 stops18h 32m
American Airlines
Thu 7/303:20 pm
UVF
-
MCI
2 stops20h 15m
American Airlines
Deal found 5/18$733
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:16 pm
MCI
-
UVF
2 stops20h 48m
American Airlines
Fri 8/283:04 pm
UVF
-
MCI
2 stops20h 27m
American Airlines
Deal found 5/18$739
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:52 pm
MCI
-
UVF
2 stops21h 37m
American Airlines
Mon 8/173:14 pm
UVF
-
MCI
2 stops18h 26m
American Airlines
Deal found 5/18$743

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 May 23, 2026.

Round-trip from

$693
(American Airlines)

One-way from

$424
(American Airlines)
From Kansas City to Saint Lucia
Search Deals
One-way flight 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 May 23, 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
Quickest round-trip

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/6

5:53 pm-12:15 pm

1 stop17h 22m

Castries Hewanorra

Mon 7/13

3:20 pm-10:59 pm

1 stop8h 39m

$713

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/20

5:53 pm-1:50 pm

1 stop18h 57m

Castries Hewanorra

Thu 7/30

3:20 pm-10:35 am

2 stops20h 15m

$733

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 8/25

4:16 pm-2:04 pm

2 stops20h 48m

Castries Hewanorra

Fri 8/28

3:04 pm-11:49 pm

1 stop9h 45m

$739

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/27

5:53 pm-1:50 pm

1 stop18h 57m

Castries Hewanorra

Mon 8/3

3:20 pm-12:46 pm

2 stops22h 26m

$803

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 9/26

5:11 pm-1:50 pm

2 stops19h 39m

Castries Hewanorra

Fri 10/2

4:00 pm-11:38 pm

1 stop8h 38m

$816

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 6/6

1:37 pm-2:16 pm

2 stops23h 39m

Castries Hewanorra

Fri 6/12

3:16 pm-12:47 pm

2 stops22h 31m

$828
Cheapest one-way
Quickest one-way

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 6/1

1:37 pm-12:05 pm

2 stops21h 28m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

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 $483). Flying from Kansas City to Saint Lucia in October is currently the most expensive (average of $938). 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 May 23, 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
8,444 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,444 reviews
Delta
7.9
Good
8,444 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,642 reviews
Delta
7.9
Good
8,444 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 20h 48m. American Airlines provides one of the quickest options available for as low as $739. The distance between Kansas City and Saint Lucia is about 2704 mi.

  • 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 $938). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$606Average$894FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$616Average$860FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights