Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Kansas City to Saint Lucia from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Saint Lucia departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kansas City to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:22 pm - 1:55 pm
MCI
-
UVF
20h 33m2 stops
American Airlines Logo
3:58 pm - 10:12 am
UVF
-
MCI
19h 14m2 stops
$621American Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
6:33 pm - 2:58 pm
MCI
-
UVF
19h 25m2 stops
American Airlines Logo
3:18 pm - 12:27 pm
UVF
-
MCI
22h 09m1 stop
$631American Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
4:22 pm - 1:55 pm
MCI
-
UVF
20h 33m2 stops
American Airlines Logo
2:57 pm - 6:32 pm
UVF
-
MCI
28h 35m1 stop
$634American Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
3:01 pm - 3:03 pm
MCI
-
UVF
22h 02m2 stops
American Airlines Logo
4:06 pm - 11:35 pm
UVF
-
MCI
9h 29m1 stop
$656American Airlines
Tue, Jan 13 - Fri, Jan 16
American Airlines Logo
12:31 pm - 3:03 pm
MCI
-
UVF
24h 32m1 stop
American Airlines Logo
4:06 pm - 11:35 pm
UVF
-
MCI
9h 29m1 stop
$662American Airlines
Tue, Jan 13 - Fri, Jan 16
American Airlines Logo
11:44 am - 4:02 pm
MCI
-
UVF
26h 18m1 stop
American Airlines Logo
2:46 pm - 11:59 pm
UVF
-
MCI
11h 13m1 stop
$665American Airlines
Tue, Jan 20 - Fri, Jan 23
American Airlines Logo
5:56 pm - 2:58 pm
MCI
-
UVF
20h 02m1 stop
American Airlines Logo
3:18 pm - 12:27 pm
UVF
-
MCI
22h 09m1 stop
$686American Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
5:00 am - 2:58 pm
MCI
-
UVF
8h 58m1 stop
American Airlines Logo
2:57 pm - 8:59 am
UVF
-
MCI
19h 02m2 stops
$688American Airlines
Tue, Mar 31 - Fri, Apr 3
American Airlines Logo
5:56 pm - 2:58 pm
MCI
-
UVF
20h 02m1 stop
American Airlines Logo
3:58 pm - 6:32 pm
UVF
-
MCI
27h 34m1 stop
$689American Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
4:25 pm - 1:50 pm
MCI
-
UVF
20h 25m2 stops
American Airlines Logo
4:05 pm - 10:39 am
UVF
-
MCI
19h 34m1 stop
$692American Airlines
Thu, Apr 23 - Mon, Apr 27

American Airlines flights from Kansas City to Saint Lucia

Our best American Airlines deals on Kansas City to Saint Lucia flight tickets
American Airlines
Mar 16
MCI4:22 pmKansas City
20h 33m
2 stops
UVF1:55 pmCastries Hewanorra
Mar 23
UVF3:58 pmCastries Hewanorra
19h 14m
2 stops
MCI10:12 amKansas City
$621
Find similar
American Airlines
Mar 16
MCI6:33 pmKansas City
19h 25m
2 stops
UVF2:58 pmCastries Hewanorra
Mar 23
UVF3:18 pmCastries Hewanorra
22h 09m
1 stop
MCI12:27 pmKansas City
$631
Find similar
American Airlines
Mar 16
MCI4:22 pmKansas City
20h 33m
2 stops
UVF1:55 pmCastries Hewanorra
Mar 23
UVF2:57 pmCastries Hewanorra
28h 35m
1 stop
MCI6:32 pmKansas City
$634
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

Price

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

4:22 pm-1:55 pm

2 stops20h 33m

Castries Hewanorra

Mon 3/23

3:58 pm-10:12 am

2 stops19h 14m

$621

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

6:33 pm-2:58 pm

2 stops19h 25m

Castries Hewanorra

Mon 3/23

3:18 pm-12:27 pm

1 stop22h 09m

$631

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

4:22 pm-1:55 pm

2 stops20h 33m

Castries Hewanorra

Mon 3/23

2:57 pm-6:32 pm

1 stop28h 35m

$634

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 1/13

3:01 pm-3:03 pm

2 stops22h 02m

Castries Hewanorra

Fri 1/16

4:06 pm-11:35 pm

1 stop9h 29m

$656

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 1/13

12:31 pm-3:03 pm

1 stop24h 32m

Castries Hewanorra

Fri 1/16

4:06 pm-11:35 pm

1 stop9h 29m

$662

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 1/20

11:44 am-4:02 pm

1 stop26h 18m

Castries Hewanorra

Fri 1/23

2:46 pm-11:59 pm

1 stop11h 13m

$665

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

5:56 pm-2:58 pm

1 stop20h 02m

Castries Hewanorra

Mon 3/23

3:18 pm-12:27 pm

1 stop22h 09m

$686

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 3/31

5:00 am-2:58 pm

1 stop8h 58m

Castries Hewanorra

Fri 4/3

2:57 pm-8:59 am

2 stops19h 02m

$688

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 3/16

5:56 pm-2:58 pm

1 stop20h 02m

Castries Hewanorra

Mon 3/23

3:58 pm-6:32 pm

1 stop27h 34m

$689

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Thu 4/23

4:25 pm-1:50 pm

2 stops20h 25m

Castries Hewanorra

Mon 4/27

4:05 pm-10:39 am

1 stop19h 34m

$692

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Kansas City to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $559. On the other hand, Monday is the most expensive day to depart from Kansas City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $838.

What is the cheapest time of day to depart on your flight to Saint Lucia?

Our data shows that the cheapest Kansas City to Saint Lucia flights are usually those with departure times in the morning. Our users have found flights to Saint Lucia in the morning for as low as $712. Flights in the afternoon are often more expensive with an average ticket price of $817.

Cheap Kansas City to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Saint Lucia

Fastest flight time

7h 14m

Direct flights

None
The fastest flight from Kansas City to Saint Lucia takes 7h 14m
There are no direct flights from Kansas City to Saint Lucia. There are no popular flight routes from Kansas City to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from Kansas City Airport to Saint Lucia?

    Prices for flights from Kansas City Airport to Saint Lucia were last updated today.

  • How many operators does momondo search for flights from Kansas City Airport to Saint Lucia?

  • How old do you have to be to fly from Kansas City Airport to Saint Lucia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The necessary travel and health documents for your Saint Lucia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Kansas City to Saint Lucia

Compare and see reviews for airlines that fly from Kansas City to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $577Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $606Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Saint Lucia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kansas City to Saint Lucia for you.

Can I find flights from Kansas City to Saint Lucia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Lucia from Kansas City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kansas City to Saint Lucia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Lucia from Kansas City.

I’m not ready to book a flight from Kansas City to Saint Lucia right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Lucia from Kansas City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Saint Lucia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Popular cities in Saint Lucia

Popular flights according to clicks in the last 7 days on momondo
Flights to Castriesfrom $464