$319+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Mar 18 — Mar 251
Round-trip
1 adult, Economy
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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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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 16, 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 16, 2026.
This American Airlines deal was found by Cheapflights users on 2/13. 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 8/283:09 pm
UVF
- MCI
1 stop10h 20m
American Airlines
Deal found 2/13![American Airlines logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 am
MCI
- UVF
1 stop7h 33m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$654
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
MCI
- UVF
1 stop7h 33m
Delta
Thu 8/133:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 2/16![Delta logo]()
$673
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/233:18 pm
UVF
- MCI
2 stops18h 24m
American Airlines
Deal found 2/13![American Airlines logo]()
$678
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 6/24:27 pm
MCI
- UVF
2 stops20h 49m
American Airlines
Tue 6/91:02 pm
UVF
- MCI
1 stop10h 59m
American Airlines
Deal found 2/14![American Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:42 pm
MCI
- UVF
1 stop18h 31m
Delta
Thu 8/63:30 pm
UVF
- MCI
1 stop9h 25m
Delta
Deal found 2/16![Delta logo]()
$711
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 am
MCI
- UVF
1 stop7h 33m
Delta
Tue 8/113:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 2/16![Delta logo]()
$714
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 5/96:28 pm
MCI
- UVF
1 stop18h 58m
American Airlines
Sat 5/162:10 pm
UVF
- MCI
1 stop27h 07m
American Airlines
Deal found 2/16![American Airlines logo]()
$719
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 16, 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 16, 2026.
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:42 pm
MCI
- UVF
1 stop18h 31m
Delta
Thu 8/133:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$648
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/305:00 am
MCI
- UVF
1 stop7h 48m
American Airlines
Mon 4/63:58 pm
UVF
- MCI
1 stop9h 41m
American Airlines
Deal found 2/13![American Airlines logo]()
$673
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:42 pm
MCI
- UVF
1 stop18h 31m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:42 pm
MCI
- UVF
1 stop18h 31m
Delta
Thu 8/133:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 2/16![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:42 pm
MCI
- UVF
1 stop18h 31m
Delta
Thu 8/133:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:54 am
MCI
- UVF
1 stop7h 04m
Delta
Wed 3/253:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/16![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:40 am
MCI
- UVF
1 stop7h 33m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 am
MCI
- UVF
1 stop7h 33m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$654
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
MCI
- UVF
1 stop7h 33m
Delta
Wed 8/123:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 2/16![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
MCI
- UVF
1 stop7h 33m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 2/16![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:40 am
MCI
- UVF
1 stop7h 33m
Delta
Fri 8/143:28 pm
UVF
- MCI
1 stop18h 59m
Delta
Deal found 2/16![Delta logo]()
$673
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated February 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/156:33 pm
MCI
- UVF
1 stop18h 45m
American Airlines
Mon 3/233:18 pm
UVF
- MCI
2 stops20h 24m
American Airlines
Deal found 2/13![American Airlines logo]()
$948
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Mon 3/166:33 pm
MCI
- UVF
2 stops19h 25m
American Airlines
Mon 3/233:18 pm
UVF
- MCI
2 stops19h 54m
American Airlines
Deal found 2/16![American Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:54 am
MCI
- UVF
1 stop7h 04m
Delta
Wed 3/253:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/16![Delta logo]()
$648
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Wed 3/185:00 am
MCI
- UVF
1 stop8h 58m
American Airlines
Wed 3/253:58 pm
UVF
- MCI
2 stops19h 14m
American Airlines
Deal found 2/16![American Airlines logo]()
$764
This Mytrip deal was found by Cheapflights users on 2/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:24 pm
MCI
- UVF
3 stops26h 01m
Multiple Airlines
Wed 3/254:20 pm
UVF
- MCI
3 stops32h 33m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$940
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:54 am
MCI
- UVF
1 stop7h 04m
Delta
Sat 3/283:18 pm
UVF
- MCI
1 stop9h 54m
Delta
Deal found 2/12![Delta logo]()
$761
This American Airlines deal was found by Cheapflights users on 2/13. 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 3/305:00 am
MCI
- UVF
1 stop7h 48m
American Airlines
Mon 4/63:58 pm
UVF
- MCI
1 stop9h 41m
American Airlines
Deal found 2/13![American Airlines logo]()
$673
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/315:15 pm
MCI
- UVF
2 stops20h 43m
American Airlines
Fri 4/33:58 pm
UVF
- MCI
2 stops22h 10m
American Airlines
Deal found 2/14![American Airlines logo]()
$797
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 16, 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 16, 2026.
This American Airlines deal was found by Cheapflights users on 2/13. 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 5/255:20 pm
MCI
- UVF
2 stops17h 42m
American Airlines
Deal found 2/13![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 5/267:59 pm
MCI
- UVF
2 stops40h 41m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 2/13. 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 5/265:00 am
MCI
- UVF
1 stop7h 58m
American Airlines
Deal found 2/13![American Airlines logo]()
$634
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 16, 2026.
Round-trip from | $648 (Delta) |
|---|---|
One-way from | $319 (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 16, 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
Wed 8/5
6:42 pm-2:13 pm
1 stop18h 31m
Castries Hewanorra
Thu 8/13
3:28 pm-9:27 am
1 stop18h 59m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/3
6:42 pm-2:13 pm
1 stop18h 31m
Castries Hewanorra
Fri 8/14
3:28 pm-9:27 am
1 stop18h 59m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 8/4
6:42 pm-2:13 pm
1 stop18h 31m
Castries Hewanorra
Thu 8/13
3:28 pm-11:52 pm
1 stop9h 24m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/3
6:42 pm-2:13 pm
1 stop18h 31m
Castries Hewanorra
Thu 8/13
3:28 pm-9:27 am
1 stop18h 59m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 3/18
5:54 am-1:58 pm
1 stop7h 04m
Castries Hewanorra
Wed 3/25
3:18 pm-12:12 am
1 stop9h 54m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Wed 8/5
5:40 am-2:13 pm
1 stop7h 33m
Castries Hewanorra
Fri 8/14
3:28 pm-9:27 am
1 stop18h 59m
$648
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sun 8/9
5:40 am-2:13 pm
1 stop7h 33m
Castries Hewanorra
Fri 8/14
3:28 pm-9:27 am
1 stop18h 59m
$654
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 3/30
5:00 am-1:48 pm
1 stop7h 48m
Castries Hewanorra
Mon 4/6
3:58 pm-12:39 am
1 stop9h 41m
$673
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 8/6
5:40 am-2:13 pm
1 stop7h 33m
Castries Hewanorra
Wed 8/12
3:28 pm-11:52 pm
1 stop9h 24m
$673
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 8/6
5:40 am-2:13 pm
1 stop7h 33m
Castries Hewanorra
Fri 8/14
3:28 pm-11:52 pm
1 stop9h 24m
$673
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 $562). Flying from Kansas City to Saint Lucia in May is currently the most expensive (average of $758). 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 16, 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.
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Crew
8.5
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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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 February 16, 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 16, 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 |