$444+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Dec 10 — Dec 171
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
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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
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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 November 10, 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 November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/235:00 am -
1 stop7h 47m
Wed 12/304:15 pm -
1 stop18h 47m
Deal found 11/8![American Airlines logo]()
$797
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/145:00 am -
1 stop8h 41m
Sat 11/213:56 pm -
1 stop10h 03m
Deal found 11/8![American Airlines logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:31 am -
2 stops28h 44m
Sun 12/273:21 pm -
2 stops21h 23m
Deal found 11/5![United Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:25 am -
2 stops24h 50m
Tue 12/293:21 pm -
2 stops21h 23m
Deal found 11/7![United Airlines logo]()
$1,163
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop8h 25m
Sat 11/215:17 pm -
2 stops30h 34m
Deal found 11/8![United Airlines logo]()
$1,225
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:34 pm -
2 stops41h 41m
Wed 12/303:21 pm -
2 stops28h 19m
Deal found 11/6![United Airlines logo]()
$1,379
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 November 10, 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 November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 3/85:00 am -
1 stop7h 42m
Fri 3/123:42 pm -
2 stops21h 30m
Deal found 11/5![American Airlines logo]()
$639
This Delta deal was found by Cheapflights users on 11/5. 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 1/245:30 am -
1 stop7h 36m
Thu 2/44:35 pm -
1 stop9h 21m
Deal found 11/5![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 11/9. 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 4/285:40 am -
1 stop7h 20m
Wed 5/53:20 pm -
1 stop9h 38m
Deal found 11/9![Delta logo]()
$695
This American Airlines deal was found by Cheapflights users on 11/8. 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 1/265:07 pm -
2 stops19h 09m
Tue 2/24:38 pm -
2 stops18h 17m
Deal found 11/8![American Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 11/8. 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 1/265:30 am -
1 stop7h 36m
Tue 2/24:35 pm -
1 stop9h 21m
Deal found 11/8![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 1/275:30 am -
1 stop7h 36m
Wed 2/34:35 pm -
1 stop19h 15m
Deal found 11/5![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 1/296:44 pm -
1 stop18h 22m
Tue 2/24:35 pm -
1 stop9h 21m
Deal found 11/5![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 11/9. 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 2/35:30 am -
1 stop7h 36m
Mon 2/84:35 pm -
1 stop9h 21m
Deal found 11/9![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 11/5. 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 1/245:30 am -
1 stop7h 36m
Mon 2/14:35 pm -
1 stop19h 15m
Deal found 11/5![Delta logo]()
$737
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 1/296:44 pm -
1 stop18h 22m
Wed 2/34:35 pm -
1 stop19h 15m
Deal found 11/5![Delta logo]()
$737
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/145:00 am -
1 stop8h 41m
Sat 11/213:56 pm -
1 stop10h 03m
Deal found 11/8![American Airlines logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop8h 25m
Sat 11/215:17 pm -
2 stops30h 34m
Deal found 11/8![United Airlines logo]()
$1,225
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:34 pm -
2 stops41h 41m
Wed 12/303:21 pm -
2 stops28h 19m
Deal found 11/6![United Airlines logo]()
$1,379
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:31 am -
2 stops28h 44m
Sun 12/273:21 pm -
2 stops21h 23m
Deal found 11/5![United Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:25 am -
2 stops24h 50m
Tue 12/293:21 pm -
2 stops21h 23m
Deal found 11/7![United Airlines logo]()
$1,163
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/235:00 am -
1 stop7h 47m
Wed 12/304:15 pm -
1 stop18h 47m
Deal found 11/8![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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/273:17 pm -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/111:25 am -
1 stop27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:29 pm -
3 stops40h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$663
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 November 10, 2026.
Round-trip from | $635 (American Airlines) |
|---|---|
One-way from | $444 (United 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 November 10, 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 Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 11/27
3:17 pm-1:07 pm
2 stops19h 50m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$444
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 1/1
3:17 pm-1:07 pm
2 stops19h 50m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$459
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Mon 3/8
5:00 am-2:42 pm
1 stop7h 42m
Castries Hewanorra
Fri 3/12
3:42 pm-11:12 am
2 stops21h 30m
$639
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 11/27
8:29 pm-2:55 pm
3 stops40h 26m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$663
Quickest round-trip
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 1/24
5:30 am-3:06 pm
1 stop7h 36m
Castries Hewanorra
Thu 2/4
4:35 pm-11:56 pm
1 stop9h 21m
$695
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 4/28
5:40 am-2:00 pm
1 stop7h 20m
Castries Hewanorra
Wed 5/5
3:20 pm-11:58 pm
1 stop9h 38m
$695
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 1/26
5:30 am-3:06 pm
1 stop7h 36m
Castries Hewanorra
Tue 2/2
4:35 pm-11:56 pm
1 stop9h 21m
$695
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Wed 1/27
5:30 am-3:06 pm
1 stop7h 36m
Castries Hewanorra
Wed 2/3
4:35 pm-9:50 am
1 stop19h 15m
$695
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 1/26
5:07 pm-2:16 pm
2 stops19h 09m
Castries Hewanorra
Tue 2/2
4:38 pm-8:55 am
2 stops18h 17m
$699
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 1/29
6:44 pm-3:06 pm
1 stop18h 22m
Castries Hewanorra
Tue 2/2
4:35 pm-11:56 pm
1 stop9h 21m
$737
Showing 1-10 of 13 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 June is currently the most expensive (average of $1,142). 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 November 10, 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
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Overall
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
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.
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 November 10, 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$637 | Average$906 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$896 | FlexibilityNo cancel fee | On-timeN/A |