HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$298+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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

Keep the following information in mind while searching for Kansas City to Saint Lucia flight deals. Data was last updated June 12, 2025.

Round-trip from

$616
(Delta)

One-way from

$298
(Delta)

Popular in

March

Cheapest in

December

Average price

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

Find 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 6/10$616
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/183:00 pmMCI - UVF
2 stops21h 57mAmerican Airlines
Sat 8/233:35 pmUVF - MCI
1 stop9h 54mAmerican Airlines
Deal found 6/11$621
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/266:05 amMCI - UVF
1 stop8h 25mUnited Airlines
Sat 8/212:55 pmUVF - MCI
1 stop11h 19mUnited Airlines
Deal found 6/11$814
This Mytrip deal was found by Cheapflights users on 6/11. 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 6/157:49 pmMCI - UVF
3 stops41h 26mMultiple Airlines
Sun 6/222:35 pmUVF - MCI
3 stops30h 54mMultiple Airlines
Deal found 6/11$1,212
This Mytrip deal was found by Cheapflights users on 6/10. 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 6/115:46 amMCI - SLU
3 stops32h 29mMultiple Airlines
Wed 6/189:10 amSLU - MCI
3 stops34h 34mMultiple Airlines
Deal found 6/10$1,219

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 June 12, 2025.
Use the filters below to find and compare flights from Kansas City to Saint Lucia that are best for you.

Fly from

Kansas City

Fly to

Saint Lucia

Route

Depart

Return

Price

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

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 8/18

3:00 pm-1:57 pm

2 stops21h 57m

Castries Hewanorra

Sat 8/23

3:35 pm-12:29 am

1 stop9h 54m

$621

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 7/26

6:05 am-3:30 pm

1 stop8h 25m

Castries Hewanorra

Sat 8/2

12:55 pm-11:14 pm

1 stop11h 19m

$814

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 6/15

7:49 pm-2:15 pm

3 stops41h 26m

Castries Hewanorra

Sun 6/22

2:35 pm-8:29 pm

3 stops30h 54m

$1,212

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 7/27

5:45 am-2:20 pm

1 stop7h 35m

$298

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 7/27

2:32 pm-2:15 pm

3 stops46h 43m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $556). Flying from Kansas City 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 12, 2025.
To help decide which airline to fly from Kansas City to Saint Lucia, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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 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.

  • 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 $556). Flying from Kansas City 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

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

Alternative routes for Kansas City to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Luis Munoz Marin Intl flights
St. Louis to Luis Munoz Marin Intl flights
St. Louis to Punta Cana flights
St. Louis to Saint Thomas Island flights
Kansas City to Saint Thomas Island flights
Kansas City to Montego Bay flights
St. Louis to Montego Bay flights
St. Louis to Nassau flights
Springfield to Luis Munoz Marin Intl flights
Kansas City to Punta Cana flights
Kansas City to George Town flights
St. Louis to Oranjestad flights
St. Louis to Santo Domingo flights
Kansas City to Oranjestad flights
Kansas City to Nassau flights
Kansas City to Willemstad flights
St. Louis to Willemstad flights
St. Louis to Castries flights
St. Louis to George Town flights
Kansas City to Providenciales flights
St. Louis to Simpson Bay flights
St. Louis to Providenciales flights
Kansas City to Castries flights
Kansas City to Santo Domingo flights
Kansas City to Christiansted flights
St. Louis to Christiansted flights
Kansas City to Simpson Bay flights
St. Louis to Kingston flights
Springfield to Punta Cana flights
St. Louis to Gregory Town flights
St. Louis to Bridgetown flights
Kansas City to Bridgetown flights
Springfield to Saint Thomas Island flights
Kansas City to Basseterre flights
St. Louis to Freeport flights
Kansas City to St. John's flights
Kansas City to Kingston flights
St. Louis to Georgetown flights
St. Louis to Road Town flights
Kansas City to Santiago de los Caballeros flights
St. Louis to Kralendijk flights
St. Louis to Puerto Plata flights
Springfield to Providenciales flights
St. Louis to St. George's flights
Springfield to Nassau flights
St. Louis to St. John's flights
Springfield to Oranjestad flights
St. Louis to Port of Spain flights
St. Louis to Basseterre flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$455Average$696FlexibilityNo cancel feeOn-time71%
DeltaCheapest$479Average$731FlexibilityNo cancel feeOn-timeN/A

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.