$502+ Cheap flights from Kansas City (MCI) to Saint Lucia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Nov 18 — Nov 251
Round-trip
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
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
Cheapest
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 October 19, 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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/175:00 am -
1 stop8h 41m
Tue 11/243:56 pm -
1 stop10h 03m
Deal found 10/18![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/216:35 pm -
1 stop18h 52m
Sat 11/282:29 pm -
1 stop11h 30m
Deal found 10/15![American Airlines logo]()
$1,375
This Air Canada deal was found by Cheapflights users on 10/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:36 am -
2 stops31h 04m
Sun 12/135:35 pm -
2 stops23h 10m
Deal found 10/16![Air Canada logo]()
$2,729
This WestJet deal was found by Cheapflights users on 10/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:55 pm -
2 stops43h 00m
Tue 12/83:55 pm -
2 stops23h 35m
Deal found 10/17![WestJet logo]()
$4,393
This WestJet deal was found by Cheapflights users on 10/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:31 pm -
2 stops45h 19m
Thu 12/103:55 pm -
2 stops30h 54m
Deal found 10/19![WestJet logo]()
$4,426
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 October 19, 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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/174:33 pm -
2 stops20h 31m
Tue 11/243:56 pm -
1 stop10h 03m
Deal found 10/18![American Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 10/17. 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 2/15:40 am -
1 stop7h 25m
Sun 2/74:25 pm -
1 stop9h 33m
Deal found 10/17![Delta logo]()
$697
This American Airlines deal was found by Cheapflights users on 10/18. 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 1/285:20 pm -
2 stops19h 26m
Thu 2/44:38 pm -
1 stop9h 21m
Deal found 10/18![American Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 10/17. 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 2/15:07 pm -
2 stops20h 31m
Sun 2/74:38 pm -
2 stops18h 10m
Deal found 10/17![American Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 10/16. 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 2/35:00 am -
1 stop7h 46m
Mon 2/84:38 pm -
2 stops18h 10m
Deal found 10/16![American Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 10/17. 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 2/208:10 pm -
2 stops17h 47m
Tue 2/234:58 pm -
1 stop9h 59m
Deal found 10/17![American Airlines logo]()
$712
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 4/114:51 pm -
2 stops20h 32m
Sat 4/173:28 pm -
2 stops22h 12m
Deal found 10/16![American Airlines logo]()
$829
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated October 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/175:00 am -
1 stop8h 41m
Tue 11/243:56 pm -
1 stop10h 03m
Deal found 10/18![American Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/216:35 pm -
1 stop18h 52m
Sat 11/282:29 pm -
1 stop11h 30m
Deal found 10/15![American Airlines logo]()
$1,375
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 October 19, 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 October 19, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 10/255:20 pm -
2 stops20h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:37 pm -
3 stops47h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$651
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 October 19, 2026.
Round-trip from | $655 (American Airlines) |
|---|---|
One-way from | $502 (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 7,457,451 searches. Data last updated October 19, 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
Quickest round-trip
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 10/25
5:01 am-3:04 pm
1 stop9h 03m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$502
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 10/25
1:37 pm-1:55 pm
3 stops47h 18m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$651
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 11/17
4:33 pm-3:04 pm
2 stops20h 31m
Castries Hewanorra
Tue 11/24
3:56 pm-11:59 pm
1 stop10h 03m
$659
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Mon 2/1
5:40 am-3:05 pm
1 stop7h 25m
Castries Hewanorra
Sun 2/7
4:25 pm-11:58 pm
1 stop9h 33m
$697
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Thu 1/28
5:20 pm-2:46 pm
2 stops19h 26m
Castries Hewanorra
Thu 2/4
4:38 pm-11:59 pm
1 stop9h 21m
$701
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Mon 2/1
5:07 pm-3:38 pm
2 stops20h 31m
Castries Hewanorra
Sun 2/7
4:38 pm-8:48 am
2 stops18h 10m
$706
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 2/3
5:00 am-2:46 pm
1 stop7h 46m
Castries Hewanorra
Mon 2/8
4:38 pm-8:48 am
2 stops18h 10m
$706
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sat 2/20
8:10 pm-3:57 pm
2 stops17h 47m
Castries Hewanorra
Tue 2/23
4:58 pm-12:57 am
1 stop9h 59m
$712
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 4/11
4:51 pm-2:23 pm
2 stops20h 32m
Castries Hewanorra
Sat 4/17
3:28 pm-12:40 pm
2 stops22h 12m
$829
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.
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 November is currently the most expensive (average of $1,431). 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 October 19, 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
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - 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
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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 October 19, 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$637 | Average$958 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$894 | FlexibilityNo cancel fee | On-timeN/A |