$314+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Mar 5 — Mar 121
1 adult, Economy
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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
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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
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Best
Last-minute
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Cheapest flights from Kansas City to Saint LuciaExplore 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 February 3, 2026.
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 February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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 8/226:33 pm
MCI
- UVF
1 stop18h 42m
American Airlines
Fri 8/283:15 pm
UVF
- MCI
1 stop9h 50m
American Airlines
Deal found 2/2![American Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 9/115:40 am
MCI
- UVF
1 stop7h 43m
Delta
Fri 9/183:38 pm
UVF
- MCI
1 stop9h 14m
Delta
Deal found 2/1![Delta logo]()
$637
This American Airlines deal was found by Cheapflights users on 2/1. 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 9/115:55 pm
MCI
- UVF
2 stops18h 55m
American Airlines
Fri 9/184:00 pm
UVF
- MCI
2 stops23h 28m
American Airlines
Deal found 2/1![American Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 2/2. 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 11/84:05 pm
MCI
- UVF
2 stops19h 16m
American Airlines
Sun 11/154:04 pm
UVF
- MCI
2 stops18h 42m
American Airlines
Deal found 2/2![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/166:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Mon 3/233:58 pm
UVF
- MCI
2 stops19h 14m
American Airlines
Deal found 2/1![American Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 2/2. 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 3/166:41 pm
MCI
- UVF
1 stop18h 17m
Delta
Wed 3/183:18 pm
UVF
- MCI
1 stop19h 07m
Delta
Deal found 2/2![Delta logo]()
$672
Best flights from Kansas City to Saint LuciaDiscover carefully curated flight deals from Kansas City to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Kansas City to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/166:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Mon 3/233:58 pm
UVF
- MCI
2 stops17h 44m
American Airlines
Deal found 2/2![American Airlines logo]()
$668
This Delta deal was found by Cheapflights users on 2/2. 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 3/166:41 pm
MCI
- UVF
1 stop18h 17m
Delta
Wed 3/183:18 pm
UVF
- MCI
1 stop19h 07m
Delta
Deal found 2/2![Delta logo]()
$672
This Delta deal was found by Cheapflights users on 2/2. 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 3/175:54 am
MCI
- UVF
1 stop7h 04m
Delta
Wed 3/183:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/2![Delta logo]()
$740
This American Airlines deal was found by Cheapflights users on 2/1. 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 4/95:52 pm
MCI
- UVF
1 stop18h 43m
American Airlines
Mon 4/133:28 pm
UVF
- MCI
2 stops23h 15m
American Airlines
Deal found 2/1![American Airlines logo]()
$743
This American Airlines deal was found by Cheapflights users on 1/31. 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 5/205:52 pm
MCI
- UVF
2 stops19h 18m
American Airlines
Wed 5/272:58 pm
UVF
- MCI
1 stop9h 59m
American Airlines
Deal found 1/31![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 2/1. 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 6/25:11 pm
MCI
- UVF
2 stops19h 47m
American Airlines
Tue 6/92:58 pm
UVF
- MCI
1 stop9h 59m
American Airlines
Deal found 2/1![American Airlines logo]()
$769
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated February 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/156:13 pm
MCI
- UVF
2 stops19h 05m
American Airlines
Mon 3/232:48 pm
UVF
- MCI
2 stops20h 54m
American Airlines
Deal found 2/1![American Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/166:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Mon 3/233:58 pm
UVF
- MCI
2 stops19h 14m
American Airlines
Deal found 2/1![American Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 2/2. 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 3/166:41 pm
MCI
- UVF
1 stop18h 17m
Delta
Wed 3/183:18 pm
UVF
- MCI
1 stop19h 07m
Delta
Deal found 2/2![Delta logo]()
$672
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/166:33 pm
MCI
- UVF
2 stops18h 15m
American Airlines
Wed 3/183:58 pm
UVF
- MCI
2 stops20h 22m
American Airlines
Deal found 2/2![American Airlines logo]()
$787
This Delta deal was found by Cheapflights users on 2/2. 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 3/175:54 am
MCI
- UVF
1 stop7h 04m
Delta
Wed 3/183:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/2![Delta logo]()
$740
This Delta deal was found by Cheapflights users on 2/1. 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 3/315:54 am
MCI
- UVF
1 stop7h 04m
Delta
Fri 4/33:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/1![Delta logo]()
$800
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/315:00 am
MCI
- UVF
1 stop8h 58m
American Airlines
Fri 4/33:58 pm
UVF
- MCI
2 stops22h 10m
American Airlines
Deal found 2/3![American Airlines logo]()
$805
One-way flights from Kansas City to Saint LuciaSearch for one-way flight options from Kansas City to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Kansas City to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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 7/214:36 pm
MCI
- UVF
2 stops20h 34m
American Airlines
Deal found 2/2![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 2/2. 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 7/234:20 pm
MCI
- UVF
2 stops20h 50m
American Airlines
Deal found 2/2![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/2. 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 7/215:40 am
MCI
- UVF
1 stop7h 33m
Delta
Deal found 2/2![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 2/2. 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 7/185:48 pm
MCI
- UVF
2 stops19h 22m
American Airlines
Deal found 2/2![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 7/235:40 am
MCI
- UVF
1 stop7h 33m
Delta
Deal found 2/2![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:12 pm
MCI
- UVF
3 stops48h 28m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:00 am
MCI
- UVF
3 stops29h 44m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$654
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 February 3, 2026.
Round-trip from | $655 (American Airlines) |
|---|---|
One-way from | $314 (American Airlines) |
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 February 3, 2026.
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 3/16
6:33 pm-2:58 pm
2 stops19h 25m
Castries Hewanorra
Mon 3/23
3:58 pm-8:42 am
2 stops17h 44m
$668
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 3/16
6:41 pm-1:58 pm
1 stop18h 17m
Castries Hewanorra
Wed 3/18
3:18 pm-9:25 am
1 stop19h 07m
$672
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 3/17
5:54 am-1:58 pm
1 stop7h 04m
Castries Hewanorra
Wed 3/18
3:18 pm-12:12 am
1 stop9h 54m
$740
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 4/9
5:52 pm-1:35 pm
1 stop18h 43m
Castries Hewanorra
Mon 4/13
3:28 pm-1:43 pm
2 stops23h 15m
$743
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 5/20
5:52 pm-2:10 pm
2 stops19h 18m
Castries Hewanorra
Wed 5/27
2:58 pm-11:57 pm
1 stop9h 59m
$768
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 6/2
5:11 pm-1:58 pm
2 stops19h 47m
Castries Hewanorra
Tue 6/9
2:58 pm-11:57 pm
1 stop9h 59m
$769
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 7/21
4:36 pm-2:10 pm
2 stops20h 34m
$314
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 7/23
4:20 pm-2:10 pm
2 stops20h 50m
$339
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 7/21
5:40 am-2:13 pm
1 stop7h 33m
$354
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 7/23
5:40 am-2:13 pm
1 stop7h 33m
$379
Showing 1-10 of 14 results
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.
MCI-UVF
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
MCI-LC0
MCI-UVF
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 $569). Flying from Kansas City to Saint Lucia in April is currently the most expensive (average of $739). 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 February 3, 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.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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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.
Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kansas City to Saint Lucia by cabin class
Find flights from Kansas City to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and Saint Lucia flights
Browse other Kansas City and Saint Lucia flight options. Last updated on February 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$591 | Average$779 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$606 | Average$896 | FlexibilityNo cancel fee | On-timeN/A |