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Saint Lucia

$364+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Sep 16 — Sep 231
Wed 9/16
Wed 9/23
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 August 17, 2026.

This American Airlines deal was found by Cheapflights users on 8/12. 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 9/192:27 pm -
2 stops22h 35m
Fri 9/253:02 pm -
2 stops20h 38m
Deal found 8/12$733
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:44 am -
1 stop7h 28m
Tue 10/63:32 pm -
1 stop9h 24m
Deal found 8/15$748
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop8h 25m
Sat 11/71:52 pm -
1 stop29h 33m
Deal found 8/15$767
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 10/226:32 pm -
1 stop18h 48m
Tue 10/272:42 pm -
1 stop9h 17m
Deal found 8/14$783
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:44 pm -
1 stop17h 45m
Sat 12/54:41 pm -
1 stop9h 18m
Deal found 8/16$789
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 10/267:34 pm -
2 stops18h 30m
Sun 11/14:07 pm -
1 stop10h 15m
Deal found 8/14$793
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 10/196:32 pm -
2 stops19h 32m
Sat 10/242:42 pm -
1 stop9h 17m
Deal found 8/14$794
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 10/314:59 pm -
1 stop19h 33m
Sat 11/74:01 pm -
2 stops19h 35m
Deal found 8/15$803

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 August 17, 2026.

Round-trip from

$733
(American Airlines)

One-way from

$364
(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 August 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 Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sat 9/19

5:24 pm-2:02 pm

2 stops19h 38m

Castries Hewanorra

Fri 9/25

3:02 pm-10:59 pm

1 stop8h 57m

$733

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sat 9/26

2:54 pm-2:02 pm

2 stops22h 08m

Castries Hewanorra

Fri 10/2

3:02 pm-10:59 pm

1 stop8h 57m

$733

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sat 10/31

6:00 am-3:25 pm

1 stop8h 25m

Castries Hewanorra

Sat 11/7

1:52 pm-5:25 pm

1 stop29h 33m

$767

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Wed 2/3

5:00 am-4:02 pm

1 stop9h 02m

Castries Hewanorra

Mon 2/8

4:05 pm-11:35 pm

1 stop9h 30m

$768
Quickest round-trip

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Mon 10/26

6:00 am-2:12 pm

1 stop7h 12m

Castries Hewanorra

Sun 11/1

4:32 pm-11:56 pm

1 stop9h 24m

$783

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Thu 10/22

5:20 pm-2:20 pm

2 stops20h 00m

Castries Hewanorra

Tue 10/27

4:04 pm-11:49 am

2 stops20h 45m

$788

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sun 1/17

7:46 pm-3:03 pm

2 stops17h 17m

Castries Hewanorra

Mon 1/25

2:56 pm-11:59 pm

1 stop11h 03m

$788

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sun 11/29

5:44 pm-1:29 pm

1 stop17h 45m

Castries Hewanorra

Sat 12/5

4:41 pm-11:59 pm

1 stop9h 18m

$789
Cheapest one-way
Quickest one-way

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sun 10/25

5:01 am-3:04 pm

1 stop9h 03m

$364

Kansas CityCastries

MCI Kansas City - UVF Castries Hewanorra

MCIUVF

Kansas City

Sun 10/25

1:37 pm-1:50 pm

3 stops47h 13m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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, August is the cheapest month in which you can book a flight from Kansas City to Saint Lucia (average of $694). Flying from Kansas City to Saint Lucia in November is currently the most expensive (average of $1,431). 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 August 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
7.8
Good
8,503 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

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
7.8
Good
8,503 reviews
Delta
7.8
Good
8,503 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

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
11,944 reviews
Delta
7.8
Good
8,503 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

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 8h 25m. American Airlines provides one of the quickest options available for as low as $767. 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, August is the cheapest month in which you can book a flight from Kansas City to Saint Lucia (average of $694). Flying from Kansas City to Saint Lucia in November is currently the most expensive (average of $1,431). 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 August 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$941FlexibilityNo cancel feeOn-time71%
DeltaCheapest$663Average$894FlexibilityNo cancel feeOn-timeN/A

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