$344+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
May 6 — May 131
Round-trip
1 adult, Economy
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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 April 6, 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 April 6, 2026.
This American Airlines deal was found by Cheapflights users on 4/1. 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.
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 4/1![American Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 8/165:40 am
MCI
- UVF
1 stop7h 28m
Delta
Thu 8/203:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 4/2![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 4/2. 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 8/135:40 am
MCI
- UVF
1 stop7h 28m
Delta
Thu 8/203:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/2![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Sat 8/155:01 am
MCI
- UVF
1 stop8h 14m
American Airlines
Fri 8/213:09 pm
UVF
- MCI
2 stops18h 34m
American Airlines
Deal found 4/3![American Airlines logo]()
$738
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 10/74:49 pm
MCI
- UVF
2 stops19h 36m
American Airlines
Wed 10/142:20 pm
UVF
- MCI
1 stop8h 40m
American Airlines
Deal found 4/1![American Airlines logo]()
$743
This Delta deal was found by Cheapflights users on 4/2. 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 9/295:40 am
MCI
- UVF
1 stop7h 43m
Delta
Wed 9/303:38 pm
UVF
- MCI
1 stop18h 49m
Delta
Deal found 4/2![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 8/235:40 am
MCI
- UVF
1 stop7h 28m
Delta
Sat 8/293:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/2![Delta logo]()
$749
This American Airlines deal was found by Cheapflights users on 4/2. 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 10/265:11 pm
MCI
- UVF
2 stops19h 24m
American Airlines
Sat 10/314:20 pm
UVF
- MCI
2 stops18h 16m
American Airlines
Deal found 4/2![American Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 4/2. 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 8/205:40 am
MCI
- UVF
1 stop7h 28m
Delta
Sat 8/293:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 4/2![Delta logo]()
$758
This Delta deal was found by Cheapflights users on 4/2. 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 9/295:40 am
MCI
- UVF
1 stop7h 43m
Delta
Mon 10/53:38 pm
UVF
- MCI
1 stop18h 57m
Delta
Deal found 4/2![Delta logo]()
$766
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 April 6, 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 April 6, 2026.
This Delta deal was found by Cheapflights users on 4/2. 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.
Wed 8/195:40 am
MCI
- UVF
1 stop7h 28m
Delta
Fri 8/283:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/2![Delta logo]()
$708
This American Airlines deal was found by Cheapflights users on 4/1. 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.
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 4/1![American Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 9/235:11 am
MCI
- UVF
1 stop7h 39m
American Airlines
Sun 9/274:00 pm
UVF
- MCI
2 stops19h 37m
American Airlines
Deal found 4/1![American Airlines logo]()
$821
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 am
MCI
- UVF
1 stop7h 22m
Delta
Sat 5/23:22 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 4/3![Delta logo]()
$836
This Delta deal was found by Cheapflights users on 4/6. 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 5/55:40 am
MCI
- UVF
1 stop7h 22m
Delta
Tue 5/123:25 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/6![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 4/2. 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 8/185:40 am
MCI
- UVF
1 stop7h 28m
Delta
Sat 8/223:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/2![Delta logo]()
$859
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated April 6, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated April 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/5. 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 4/95:54 am
MCI
- UVF
1 stop7h 04m
Delta
Mon 4/133:22 pm
UVF
- MCI
1 stop9h 28m
Delta
Deal found 4/5![Delta logo]()
$1,176
This American Airlines deal was found by Cheapflights users on 4/4. 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 4/256:28 pm
MCI
- UVF
1 stop18h 58m
American Airlines
Thu 4/302:45 pm
UVF
- MCI
2 stops20h 30m
American Airlines
Deal found 4/4![American Airlines logo]()
$887
This Mytrip deal was found by Cheapflights users on 4/4. 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.
Sat 4/253:15 pm
MCI
- UVF
3 stops22h 55m
Multiple Airlines
Thu 4/304:15 pm
UVF
- MCI
3 stops25h 51m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$1,169
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 am
MCI
- UVF
1 stop7h 22m
Delta
Sat 5/23:22 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 4/3![Delta logo]()
$836
This Delta deal was found by Cheapflights users on 4/6. 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 5/55:40 am
MCI
- UVF
1 stop7h 22m
Delta
Tue 5/123:25 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/6![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 4/6. 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 5/65:40 am
MCI
- UVF
1 stop7h 22m
Delta
Wed 5/133:25 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 4/6![Delta logo]()
$708
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/65:52 pm
MCI
- UVF
2 stops19h 34m
American Airlines
Wed 5/133:28 pm
UVF
- MCI
2 stops22h 32m
American Airlines
Deal found 4/6![American Airlines logo]()
$1,133
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/265:21 pm
MCI
- UVF
2 stops19h 27m
American Airlines
Sun 5/312:48 pm
UVF
- MCI
2 stops19h 36m
American Airlines
Deal found 4/2![American Airlines logo]()
$1,105
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 April 6, 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 April 6, 2026.
This American Airlines deal was found by Cheapflights users on 4/2. 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 8/46:15 pm
MCI
- UVF
2 stops19h 00m
American Airlines
Deal found 4/2![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/5. 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 6/45:39 am
MCI
- UVF
1 stop7h 26m
Delta
Deal found 4/5![Delta logo]()
$452
This American Airlines deal was found by Cheapflights users on 4/5. 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 6/45:21 pm
MCI
- UVF
2 stops19h 27m
American Airlines
Deal found 4/5![American Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 8/41:45 pm
MCI
- UVF
3 stops46h 55m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$645
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:36 pm
MCI
- UVF
2 stops42h 34m
Air Canada
Deal found 4/5![Air Canada logo]()
$838
This Delta deal was found by Cheapflights users on 4/5. 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.
Sun 6/75:39 am
MCI
- UVF
1 stop7h 34m
Delta
Deal found 4/5![Delta logo]()
$951
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 April 6, 2026.
Round-trip from | $708 (American Airlines) |
|---|---|
One-way from | $344 (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 April 6, 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
Cheapest round-trip
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 8/19
5:40 am-2:08 pm
1 stop7h 28m
Castries Hewanorra
Fri 8/28
3:28 pm-11:52 pm
1 stop9h 24m
$708
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 8/22
6:33 pm-2:15 pm
1 stop18h 42m
Castries Hewanorra
Fri 8/28
3:15 pm-12:05 am
1 stop9h 50m
$708
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 9/23
5:11 am-1:50 pm
1 stop7h 39m
Castries Hewanorra
Sun 9/27
4:00 pm-10:37 am
2 stops19h 37m
$821
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sun 4/26
5:40 am-2:02 pm
1 stop7h 22m
Castries Hewanorra
Sat 5/2
3:22 pm-11:55 pm
1 stop9h 33m
$836
Quickest round-trip
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 5/5
5:40 am-2:02 pm
1 stop7h 22m
Castries Hewanorra
Tue 5/12
3:25 pm-11:49 pm
1 stop9h 24m
$843
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 8/18
5:40 am-2:08 pm
1 stop7h 28m
Castries Hewanorra
Sat 8/22
3:28 pm-11:52 pm
1 stop9h 24m
$859
Cheapest one-way
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/3
5:53 pm-12:08 pm
1 stop17h 15m
$344
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 8/4
5:00 am-2:00 pm
1 stop8h 00m
$344
Quickest one-way
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 6/4
5:39 am-2:05 pm
1 stop7h 26m
$452
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 6/4
5:21 pm-1:48 pm
2 stops19h 27m
$535
Showing 1-10 of 12 resultsSorted 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.
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 $562). Flying from Kansas City to Saint Lucia in October is currently the most expensive (average of $791). 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 April 6, 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.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
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.
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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 April 6, 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 April 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$836 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$606 | Average$832 | FlexibilityNo cancel fee | On-timeN/A |