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Saint Lucia

$369+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 June 29, 2026.

This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:53 pm
MCI
-
UVF
1 stop18h 57m
American Airlines
Thu 7/301:10 pm
UVF
-
MCI
1 stop11h 49m
American Airlines
Deal found 6/24$630
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:52 pm
MCI
-
UVF
1 stop19h 57m
American Airlines
Mon 8/242:49 pm
UVF
-
MCI
1 stop10h 10m
American Airlines
Deal found 6/24$643
This American Airlines deal was found by Cheapflights users on 6/27. 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 7/115:08 pm
MCI
-
UVF
2 stops19h 42m
American Airlines
Sat 8/13:32 pm
UVF
-
MCI
1 stop20h 51m
American Airlines
Deal found 6/27$645
This Delta deal was found by Cheapflights users on 6/26. 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.
Wed 8/265:43 am
MCI
-
UVF
1 stop7h 31m
Delta
Wed 9/23:34 pm
UVF
-
MCI
1 stop9h 24m
Delta
Deal found 6/26$669
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Wed 8/265:14 pm
MCI
-
UVF
2 stops19h 35m
American Airlines
Wed 9/22:49 pm
UVF
-
MCI
1 stop8h 56m
American Airlines
Deal found 6/26$679
This American Airlines deal was found by Cheapflights users on 6/28. 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 9/191:11 pm
MCI
-
UVF
2 stops23h 43m
American Airlines
Fri 9/253:02 pm
UVF
-
MCI
2 stops18h 36m
American Airlines
Deal found 6/28$713
This American Airlines deal was found by Cheapflights users on 6/27. 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 7/112:30 pm
MCI
-
UVF
2 stops22h 50m
American Airlines
Tue 7/211:15 pm
UVF
-
MCI
2 stops20h 32m
American Airlines
Deal found 6/27$719
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:54 pm
MCI
-
UVF
2 stops22h 00m
American Airlines
Fri 10/23:02 pm
UVF
-
MCI
2 stops23h 40m
American Airlines
Deal found 6/24$753

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 June 29, 2026.

Round-trip from

$630
(American Airlines)

One-way from

$369
(Delta)
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 June 29, 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

Sat 8/22

6:00 am-2:14 pm

1 stop7h 14m

Castries Hewanorra

Fri 8/28

3:34 pm-11:58 pm

1 stop9h 24m

$630

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/20

5:53 pm-1:50 pm

1 stop18h 57m

Castries Hewanorra

Thu 7/30

1:10 pm-11:59 pm

1 stop11h 49m

$630

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 8/17

2:02 pm-1:49 pm

2 stops22h 47m

Castries Hewanorra

Mon 8/24

2:49 pm-11:59 pm

1 stop10h 10m

$635

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 7/11

7:46 pm-2:20 pm

2 stops17h 34m

Castries Hewanorra

Sat 8/1

3:32 pm-10:34 am

2 stops20h 02m

$635

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 7/23

5:21 pm-1:50 pm

2 stops19h 29m

Castries Hewanorra

Thu 7/30

3:20 pm-10:58 pm

1 stop8h 38m

$635
Cheapest one-way
Quickest one-way

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 10/2

5:44 am-2:12 pm

1 stop7h 28m

$369

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 10/1

4:22 pm-1:54 pm

2 stops20h 32m

$374

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 10/2

6:11 pm-1:40 pm

3 stops42h 29m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 June 29, 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
8,449 reviews

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Crew

8.5

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
8,449 reviews
Delta
7.8
Good
8,449 reviews

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Crew

8.5

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
11,768 reviews
Delta
7.8
Good
8,449 reviews

Entertainment

7.8

Comfort

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Crew

8.5

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 18h 57m. American Airlines provides one of the quickest options available for as low as $630. 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

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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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$909FlexibilityNo cancel feeOn-time71%
DeltaCheapest$663Average$894FlexibilityNo cancel feeOn-timeN/A

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