$434+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Saint Lucia with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
One-way
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 August 2, 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 August 2, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/165:44 am
MCI
- UVF
1 stop7h 28m
Delta
Wed 9/233:32 pm
UVF
- MCI
1 stop9h 19m
Delta
Deal found 8/1![Delta logo]()
$728
This American Airlines deal was found by Cheapflights users on 7/30. 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 08m
American Airlines
Fri 10/23:02 pm
UVF
- MCI
1 stop8h 57m
American Airlines
Deal found 7/30![American Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/1912:51 pm
MCI
- UVF
2 stops24h 11m
American Airlines
Fri 9/253:02 pm
UVF
- MCI
2 stops23h 40m
American Airlines
Deal found 7/28![American Airlines logo]()
$746
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 10/47:35 pm
MCI
- UVF
2 stops18h 28m
American Airlines
Fri 10/93:10 pm
UVF
- MCI
1 stop9h 47m
American Airlines
Deal found 7/31![American Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 7/29. 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 11/266:00 am
MCI
- UVF
1 stop7h 10m
Delta
Thu 12/34:25 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 7/29![Delta logo]()
$763
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 10/296:32 pm
MCI
- UVF
2 stops19h 31m
American Airlines
Fri 11/64:07 pm
UVF
- MCI
2 stops18h 35m
American Airlines
Deal found 7/28![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/163:59 pm
MCI
- UVF
2 stops21h 03m
American Airlines
Wed 9/233:02 pm
UVF
- MCI
1 stop8h 57m
American Airlines
Deal found 8/1![American Airlines logo]()
$773
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/224:32 pm
MCI
- UVF
2 stops20h 17m
American Airlines
Fri 8/282:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 7/30![American Airlines logo]()
$778
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 August 2, 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 August 2, 2026.
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/165:44 am
MCI
- UVF
1 stop7h 28m
Delta
Wed 9/233:32 pm
UVF
- MCI
1 stop9h 19m
Delta
Deal found 8/1![Delta logo]()
$728
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/262:54 pm
MCI
- UVF
2 stops22h 08m
American Airlines
Fri 10/23:02 pm
UVF
- MCI
1 stop8h 57m
American Airlines
Deal found 7/31![American Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/1912:51 pm
MCI
- UVF
2 stops24h 11m
American Airlines
Fri 9/253:02 pm
UVF
- MCI
2 stops23h 40m
American Airlines
Deal found 7/28![American Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 8/2. 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 1/175:40 am
MCI
- UVF
1 stop7h 25m
Delta
Mon 1/254:25 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 8/2![Delta logo]()
$763
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 10/47:35 pm
MCI
- UVF
2 stops18h 28m
American Airlines
Fri 10/94:04 pm
UVF
- MCI
2 stops18h 30m
American Airlines
Deal found 7/31![American Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 7/29. 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 11/266:00 am
MCI
- UVF
1 stop7h 10m
Delta
Thu 12/34:25 pm
UVF
- MCI
1 stop9h 33m
Delta
Deal found 7/29![Delta logo]()
$763
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 10/296:32 pm
MCI
- UVF
1 stop18h 35m
American Airlines
Fri 11/64:07 pm
UVF
- MCI
2 stops19h 06m
American Airlines
Deal found 7/28![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/265:17 pm
MCI
- UVF
2 stops19h 50m
American Airlines
Thu 12/32:23 pm
UVF
- MCI
2 stops11h 40m
American Airlines
Deal found 7/29![American Airlines logo]()
$768
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/265:01 am
MCI
- UVF
1 stop9h 02m
American Airlines
Sun 11/14:01 pm
UVF
- MCI
2 stops18h 41m
American Airlines
Deal found 7/30![American Airlines logo]()
$773
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated August 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:43 am
MCI
- UVF
1 stop7h 31m
Delta
Tue 8/253:34 pm
UVF
- MCI
1 stop18h 45m
Delta
Deal found 7/31![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:43 am
MCI
- UVF
1 stop7h 31m
Delta
Fri 8/213:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 7/31![Delta logo]()
$936
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:43 am
MCI
- UVF
1 stop7h 31m
Delta
Mon 8/243:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 7/31![Delta logo]()
$938
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/195:01 am
MCI
- UVF
1 stop7h 48m
American Airlines
Sun 8/233:29 pm
UVF
- MCI
1 stop9h 23m
American Airlines
Deal found 7/31![American Airlines logo]()
$908
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:43 am
MCI
- UVF
1 stop7h 31m
Delta
Tue 8/253:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 7/31![Delta logo]()
$853
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:43 am
MCI
- UVF
1 stop7h 31m
Delta
Mon 8/243:34 pm
UVF
- MCI
1 stop18h 45m
Delta
Deal found 7/31![Delta logo]()
$888
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:43 am
MCI
- UVF
1 stop7h 31m
Delta
Sat 8/223:34 pm
UVF
- MCI
1 stop18h 45m
Delta
Deal found 7/31![Delta logo]()
$944
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/224:32 pm
MCI
- UVF
2 stops20h 17m
American Airlines
Fri 8/282:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 7/30![American Airlines logo]()
$778
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 August 2, 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 August 2, 2026.
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:43 am
MCI
- UVF
1 stop7h 31m
Delta
Deal found 7/31![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:43 am
MCI
- UVF
1 stop7h 31m
Delta
Deal found 7/31![Delta logo]()
$437
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/222:02 pm
MCI
- UVF
2 stops23h 27m
American Airlines
Deal found 7/31![American Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:43 am
MCI
- UVF
1 stop7h 31m
Delta
Deal found 7/31![Delta logo]()
$472
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/192:00 pm
MCI
- UVF
2 stops22h 49m
American Airlines
Deal found 7/31![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/212:09 pm
MCI
- UVF
2 stops22h 40m
American Airlines
Deal found 7/31![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/165:14 pm
MCI
- UVF
2 stops20h 05m
American Airlines
Deal found 7/31![American Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 8/202:09 pm
MCI
- UVF
2 stops22h 40m
American Airlines
Deal found 7/31![American Airlines logo]()
$532
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 2, 2026.
Round-trip from | $728 (Delta) |
|---|---|
One-way from | $434 (Delta) |
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 2, 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 9/16
5:44 am-2:12 pm
1 stop7h 28m
Castries Hewanorra
Wed 9/23
3:32 pm-11:51 pm
1 stop9h 19m
$728
Kansas CityCastries
MCI - UVF
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 - UVF
MCIUVF
Kansas City
Sat 9/19
12:51 pm-2:02 pm
2 stops24h 11m
Castries Hewanorra
Fri 9/25
3:02 pm-1:42 pm
2 stops23h 40m
$746
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sun 10/4
7:35 pm-3:03 pm
2 stops18h 28m
Castries Hewanorra
Fri 10/9
4:04 pm-9:34 am
2 stops18h 30m
$759
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sun 1/17
5:40 am-3:05 pm
1 stop7h 25m
Castries Hewanorra
Mon 1/25
4:25 pm-11:58 pm
1 stop9h 33m
$763
Quickest round-trip
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 11/26
6:00 am-3:10 pm
1 stop7h 10m
Castries Hewanorra
Thu 12/3
4:25 pm-11:58 pm
1 stop9h 33m
$763
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 10/29
6:32 pm-2:07 pm
1 stop18h 35m
Castries Hewanorra
Fri 11/6
4:07 pm-9:13 am
2 stops19h 06m
$768
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Thu 11/26
5:17 pm-3:07 pm
2 stops19h 50m
Castries Hewanorra
Thu 12/3
2:23 pm-12:03 am
2 stops11h 40m
$768
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 10/26
5:01 am-3:03 pm
1 stop9h 02m
Castries Hewanorra
Sun 11/1
4:01 pm-8:42 am
2 stops18h 41m
$773
Cheapest one-way
Quickest one-way
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 8/22
6:00 am-2:14 pm
1 stop7h 14m
$434
Showing 1-10 of 14 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, 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 March is currently the most expensive (average of $1,154). 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 2, 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.
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 August 2, 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$616 | Average$941 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$863 | FlexibilityNo cancel fee | On-timeN/A |