$339+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — UVF
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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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 June 21, 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 June 21, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
MCI
- UVF
1 stop7h 14m
Delta
Fri 8/283:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 6/19![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/206:19 pm
MCI
- UVF
2 stops18h 31m
American Airlines
Thu 7/303:20 pm
UVF
- MCI
2 stops18h 12m
American Airlines
Deal found 6/20![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/12:37 pm
MCI
- UVF
2 stops20h 31m
American Airlines
Wed 7/82:50 pm
UVF
- MCI
1 stop9h 06m
American Airlines
Deal found 6/20![American Airlines logo]()
$640
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/221:04 pm
MCI
- UVF
1 stop24h 25m
American Airlines
Fri 8/282:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 6/16![American Airlines logo]()
$709
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:43 am
MCI
- UVF
1 stop7h 31m
Delta
Mon 8/243:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 6/18![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 8/172:02 pm
MCI
- UVF
2 stops22h 47m
American Airlines
Mon 8/242:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 6/18![American Airlines logo]()
$738
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/136:19 pm
MCI
- UVF
2 stops19h 01m
American Airlines
Sat 7/182:50 pm
UVF
- MCI
2 stops18h 42m
American Airlines
Deal found 6/20![American Airlines logo]()
$747
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 June 21, 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 June 21, 2026.
This Delta deal was found by Cheapflights users on 6/20. 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 7/15:38 am
MCI
- UVF
1 stop7h 35m
Delta
Wed 7/83:33 pm
UVF
- MCI
1 stop9h 25m
Delta
Deal found 6/20![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/207:46 pm
MCI
- UVF
2 stops17h 04m
American Airlines
Thu 7/302:50 pm
UVF
- MCI
1 stop10h 09m
American Airlines
Deal found 6/20![American Airlines logo]()
$635
This Delta deal was found by Cheapflights users on 6/20. 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 8/226:00 am
MCI
- UVF
1 stop7h 14m
Delta
Fri 8/283:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 6/20![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/221:04 pm
MCI
- UVF
1 stop24h 25m
American Airlines
Fri 8/282:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 6/17![American Airlines logo]()
$719
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:43 am
MCI
- UVF
1 stop7h 31m
Delta
Mon 8/243:34 pm
UVF
- MCI
1 stop9h 24m
Delta
Deal found 6/18![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 8/172:02 pm
MCI
- UVF
2 stops22h 47m
American Airlines
Mon 8/242:49 pm
UVF
- MCI
1 stop10h 10m
American Airlines
Deal found 6/18![American Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 6/17. 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.
Sat 9/125:40 am
MCI
- UVF
1 stop7h 32m
Delta
Thu 9/173:33 pm
UVF
- MCI
1 stop9h 22m
Delta
Deal found 6/17![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/136:19 pm
MCI
- UVF
2 stops19h 01m
American Airlines
Sat 7/182:50 pm
UVF
- MCI
2 stops18h 42m
American Airlines
Deal found 6/20![American Airlines logo]()
$747
Last-minute flights from Kansas City to Saint LuciaDiscover last-minute flight deals from Kansas City to Saint Lucia. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Saint Lucia. Data last updated June 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/20. 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 7/15:38 am
MCI
- UVF
1 stop7h 35m
Delta
Wed 7/83:33 pm
UVF
- MCI
1 stop9h 25m
Delta
Deal found 6/20![Delta logo]()
$630
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/12:37 pm
MCI
- UVF
2 stops20h 31m
American Airlines
Wed 7/82:50 pm
UVF
- MCI
1 stop9h 06m
American Airlines
Deal found 6/20![American Airlines logo]()
$640
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:29 pm
MCI
- UVF
2 stops23h 21m
American Airlines
Fri 7/173:20 pm
UVF
- MCI
2 stops19h 47m
American Airlines
Deal found 6/19![American Airlines logo]()
$803
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/112:30 pm
MCI
- UVF
2 stops22h 50m
American Airlines
Sat 7/182:50 pm
UVF
- MCI
1 stop10h 09m
American Airlines
Deal found 6/17![American Airlines logo]()
$783
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/136:19 pm
MCI
- UVF
2 stops19h 01m
American Airlines
Sat 7/182:50 pm
UVF
- MCI
2 stops18h 42m
American Airlines
Deal found 6/20![American Airlines logo]()
$747
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/206:19 pm
MCI
- UVF
2 stops18h 31m
American Airlines
Thu 7/303:20 pm
UVF
- MCI
2 stops18h 12m
American Airlines
Deal found 6/20![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:53 pm
MCI
- UVF
1 stop18h 57m
American Airlines
Mon 7/272:50 pm
UVF
- MCI
2 stops21h 33m
American Airlines
Deal found 6/19![American Airlines logo]()
$763
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 June 21, 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 June 21, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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 8/45:43 am
MCI
- UVF
1 stop7h 31m
Delta
Deal found 6/16![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 7/285:21 pm
MCI
- UVF
2 stops19h 29m
American Airlines
Deal found 6/17![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/45:21 pm
MCI
- UVF
2 stops19h 28m
American Airlines
Deal found 6/16![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/145:18 pm
MCI
- UVF
2 stops20h 02m
American Airlines
Deal found 6/20![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 7/145:39 am
MCI
- UVF
1 stop7h 33m
Delta
Deal found 6/17![Delta logo]()
$477
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/135:04 pm
MCI
- UVF
2 stops19h 46m
American Airlines
Deal found 6/16![American Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:40 pm
MCI
- UVF
3 stops43h 00m
WestJet
Deal found 6/17![WestJet logo]()
$514
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 June 21, 2026.
Round-trip from | $630 (American Airlines) |
|---|---|
One-way from | $339 (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 June 21, 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 7/1
5:38 am-2:13 pm
1 stop7h 35m
Castries Hewanorra
Wed 7/8
3:33 pm-11:58 pm
1 stop9h 25m
$630
Quickest round-trip
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 8/22
6:00 am-2:14 pm
1 stop7h 14m
Castries Hewanorra
Fri 8/28
3:34 pm-11:58 pm
1 stop9h 24m
$630
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 7/20
7:46 pm-1:50 pm
2 stops17h 04m
Castries Hewanorra
Thu 7/30
2:50 pm-11:59 pm
1 stop10h 09m
$635
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 8/22
1:04 pm-2:29 pm
1 stop24h 25m
Castries Hewanorra
Fri 8/28
2:49 pm-11:59 pm
1 stop10h 10m
$719
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/17
5:43 am-2:14 pm
1 stop7h 31m
Castries Hewanorra
Mon 8/24
3:34 pm-11:58 pm
1 stop9h 24m
$733
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Sat 9/12
5:40 am-2:12 pm
1 stop7h 32m
Castries Hewanorra
Thu 9/17
3:33 pm-11:55 pm
1 stop9h 22m
$733
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 8/17
2:02 pm-1:49 pm
2 stops22h 47m
Castries Hewanorra
Mon 8/24
2:49 pm-11:59 pm
1 stop10h 10m
$738
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Mon 7/13
6:19 pm-2:20 pm
2 stops19h 01m
Castries Hewanorra
Sat 7/18
2:50 pm-8:32 am
2 stops18h 42m
$747
Cheapest one-way
Quickest one-way
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 8/4
5:43 am-2:14 pm
1 stop7h 31m
$339
Kansas CityCastries
MCI - UVF
MCIUVF
Kansas City
Tue 7/28
5:21 pm-1:50 pm
2 stops19h 29m
$344
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, January is the cheapest month in which you can book a flight from Kansas City to Saint Lucia (average of $483). Flying from Kansas City to Saint Lucia in October is currently the most expensive (average of $938). 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 June 21, 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
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
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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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 June 21, 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$616 | Average$906 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$663 | Average$894 | FlexibilityNo cancel fee | On-timeN/A |