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Saint Lucia

$374+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:31 pmMCI - UVF
3 stops42h 49mMultiple Airlines
Mon 12/225:15 pmUVF - MCI
3 stops31h 44mMultiple Airlines
Deal found 11/24$886
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Fri 12/195:23 pmMCI - UVF
1 stop17h 41mAmerican Airlines
Mon 12/293:53 pmUVF - MCI
1 stop10h 00mAmerican Airlines
Deal found 11/25$1,322
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Fri 12/268:02 pmMCI - UVF
2 stops17h 52mAmerican Airlines
Wed 12/314:54 pmUVF - MCI
2 stops22h 13mAmerican Airlines
Deal found 11/25$1,332
This Priceline deal was found by Cheapflights users on 11/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:43 pmMCI - UVF
2 stops43h 37mAir Canada
Mon 12/225:15 pmUVF - MCI
2 stops30h 35mAir Canada
Deal found 11/24$1,626

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 November 26, 2025.

Round-trip from

$591
(American Airlines)

One-way from

$374
(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 November 26, 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

Sun 3/1

6:33 pm-3:25 pm

1 stop18h 52m

Castries Hewanorra

Thu 3/5

4:25 pm-11:59 pm

1 stop9h 34m

$591

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 1/8

5:00 am-4:02 pm

1 stop9h 02m

Castries Hewanorra

Thu 1/15

4:06 pm-11:35 pm

1 stop9h 29m

$629

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

4:22 pm-1:55 pm

2 stops20h 33m

Castries Hewanorra

Mon 3/23

2:57 pm-6:32 pm

1 stop28h 35m

$634

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 4/9

6:08 pm-1:15 pm

2 stops18h 07m

Castries Hewanorra

Mon 4/13

4:05 pm-11:37 am

2 stops20h 32m

$646

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 4/30

4:45 pm-1:15 pm

2 stops19h 30m

Castries Hewanorra

Thu 5/7

3:35 pm-11:23 pm

1 stop8h 48m

$667

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

Sat 3/14

7:00 am-11:45 am

3 stops27h 45m

Castries George F. L. Charle

Sat 3/21

6:20 pm-11:59 pm

3 stops30h 39m

$1,703

Kansas CityCastries

MCI - SLU

MCISLU

Kansas City

Fri 3/13

7:00 am-1:10 pm

3 stops29h 10m

Castries George F. L. Charle

Fri 3/20

12:35 pm-11:37 am

3 stops24h 02m

$2,063

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 3/15

6:33 pm-1:55 pm

2 stops18h 22m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 $543). Flying from Kansas City to Saint Lucia in December is currently the most expensive (average of $740). 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 November 26, 2025.
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
7,999 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

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
7,999 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

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
11,038 reviews
Delta
7.9
Good
7,999 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

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 18h 52m. American Airlines provides one of the quickest options available for as low as $591. 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 $543). Flying from Kansas City to Saint Lucia in December is currently the most expensive (average of $740). 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 Kansas City 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 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$559Average$776FlexibilityNo cancel feeOn-time71%
DeltaCheapest$606Average$821FlexibilityNo cancel feeOn-timeN/A

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