$421+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Oct 15 — Oct 221
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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Best
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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 September 15, 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 September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:01 am -
1 stop9h 03m
Tue 11/34:41 pm -
1 stop9h 18m
Deal found 9/12![American Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 9/11. 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 11/65:00 am -
1 stop8h 41m
Wed 11/114:41 pm -
1 stop9h 18m
Deal found 9/11![American Airlines logo]()
$676
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/267:21 pm -
2 stops18h 43m
Sun 11/14:07 pm -
2 stops18h 35m
Deal found 9/11![American Airlines logo]()
$686
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/226:32 pm -
1 stop18h 48m
Sun 10/254:04 pm -
2 stops20h 12m
Deal found 9/11![American Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 9/11. 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 11/305:02 am -
1 stop7h 54m
Sat 12/52:32 pm -
1 stop11h 27m
Deal found 9/11![American Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 9/11. 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 10/265:40 am -
1 stop7h 32m
Sat 10/313:32 pm -
1 stop9h 24m
Deal found 9/11![Delta logo]()
$770
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/106:32 pm -
1 stop18h 48m
Wed 10/142:42 pm -
1 stop9h 17m
Deal found 9/13![American Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:40 am -
2 stops26h 35m
Wed 12/233:21 pm -
2 stops21h 23m
Deal found 9/14![United Airlines logo]()
$824
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 September 15, 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 September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. 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 1/316:26 pm -
2 stops17h 53m
Fri 2/53:30 pm -
2 stops20h 34m
Deal found 9/11![American Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 9/14. 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 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 9/14![Delta logo]()
$676
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:01 am -
1 stop9h 03m
Tue 11/34:41 pm -
1 stop9h 18m
Deal found 9/12![American Airlines logo]()
$634
This American Airlines deal was found by Cheapflights users on 9/13. 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 3/26:36 pm -
2 stops19h 26m
Thu 3/114:58 pm -
1 stop9h 41m
Deal found 9/13![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 1/314:00 pm -
2 stops20h 42m
Mon 2/84:34 pm -
2 stops18h 07m
Deal found 9/14![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 9/10. 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 2/35:07 pm -
2 stops20h 27m
Mon 2/83:30 pm -
2 stops19h 11m
Deal found 9/10![American Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:32 pm -
1 stop18h 48m
Sun 10/254:04 pm -
2 stops17h 38m
Deal found 9/12![American Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 2/116:36 pm -
2 stops19h 26m
Tue 2/165:02 pm -
2 stops20h 11m
Deal found 9/13![American Airlines logo]()
$742
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated September 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/262:27 pm -
2 stops22h 35m
Fri 10/23:02 pm -
2 stops21h 46m
Deal found 9/10![American Airlines logo]()
$883
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/106:32 pm -
1 stop18h 48m
Wed 10/142:42 pm -
1 stop9h 17m
Deal found 9/13![American Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/226:32 pm -
1 stop18h 48m
Sun 10/254:04 pm -
2 stops20h 12m
Deal found 9/11![American Airlines logo]()
$728
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/267:21 pm -
2 stops18h 43m
Sun 11/14:07 pm -
2 stops18h 35m
Deal found 9/11![American Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 9/11. 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 10/265:40 am -
1 stop7h 32m
Sun 11/14:32 pm -
1 stop9h 24m
Deal found 9/11![Delta logo]()
$770
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:01 am -
1 stop9h 03m
Tue 11/34:41 pm -
1 stop9h 18m
Deal found 9/12![American Airlines logo]()
$634
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 September 15, 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 September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/29:36 am -
2 stops51h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:39 pm -
2 stops41h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:29 am -
1 stop30h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:44 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$492
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/285:24 pm -
2 stops19h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:06 pm -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:44 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$548
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/2912:51 pm -
2 stops24h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$592
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 September 15, 2026.
Round-trip from | $594 (American Airlines) |
|---|---|
One-way from | $421 (Kiwi.com) |
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 September 15, 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
Thu 10/1
6:39 pm-1:31 pm
2 stops41h 52m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$460
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 10/2
6:29 am-1:31 pm
1 stop30h 02m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$481
Quickest round-trip
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 9/29
5:44 am-2:12 pm
1 stop7h 28m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$492
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Fri 9/25
5:06 pm-1:31 pm
2 stops19h 25m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$504
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Thu 9/24
5:44 am-2:12 pm
1 stop7h 28m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$548
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Mon 9/28
5:00 pm-2:02 pm
1 stop20h 02m
Castries Hewanorra
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$582
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Sun 1/31
6:26 pm-2:19 pm
2 stops17h 53m
Castries Hewanorra
Fri 2/5
3:30 pm-10:04 am
2 stops20h 34m
$599
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 10/27
5:01 am-3:04 pm
1 stop9h 03m
Castries Hewanorra
Tue 11/3
4:41 pm-11:59 pm
1 stop9h 18m
$634
Kansas CityCastries
MCI Kansas City - UVF Castries Hewanorra
MCIUVF
Kansas City
Tue 3/2
6:36 pm-4:02 pm
2 stops19h 26m
Castries Hewanorra
Thu 3/11
4:58 pm-12:39 am
1 stop9h 41m
$639
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
$676
Showing 1-10 of 15 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 November is currently the most expensive (average of $2,803). 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 September 15, 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.
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 September 15, 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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$616 | Average$958 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$894 | FlexibilityNo cancel fee | On-timeN/A |