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Cheap flights from Kansas City to Saint Lucia from $621

This is the cheapest round-trip 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 3/16. 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

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Find the cheapest flights from Kansas City to Saint Lucia

Cheap round-trip flights

American Airlines Logo
4:37 pm - 1:30 pmMCI-UVF
19h 53m2 stops
American Airlines Logo
4:10 pm - 10:43 amUVF-MCI
19h 33m1 stop
$621American Airlines
Find Deal
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
5:04 am - 3:52 pmMCI-UVF
8h 48m1 stop
American Airlines Logo
3:57 pm - 11:06 amUVF-MCI
21h 09m2 stops
$626American Airlines
Find Deal
Sun, Nov 30 - Sun, Dec 14
American Airlines Logo
11:40 am - 1:19 pmMCI-UVF
23h 39m1 stop
American Airlines Logo
4:53 pm - 12:25 amUVF-MCI
9h 32m1 stop
$628American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
Delta Logo
5:45 am - 3:39 pmMCI-UVF
7h 54m1 stop
Delta Logo
4:59 pm - 11:56 pmUVF-MCI
8h 57m1 stop
$646Delta
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
6:00 am - 3:25 pmMCI-UVF
8h 25m1 stop
United Airlines Logo
1:52 pm - 8:56 amUVF-MCI
21h 04m1 stop
$694United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
5:15 am - 3:25 pmMCI-UVF
33h 10m3 stops
Multiple Airlines Logo
2:40 pm - 4:16 pmUVF-MCI
26h 36m2 stops
$702Multiple Airlines
Find Deal
Sun, Oct 26 - Thu, Oct 30
Multiple Airlines Logo
5:15 am - 3:25 pmMCI-UVF
33h 10m3 stops
Multiple Airlines Logo
2:40 pm - 4:16 pmUVF-MCI
26h 36m3 stops
$803Multiple Airlines
Find Deal
Sun, Oct 26 - Thu, Oct 30
Air Canada Logo
11:29 am - 4:25 pmMCI-UVF
26h 56m2 stops
Air Canada Logo
5:15 pm - 9:35 pmUVF-MCI
30h 20m2 stops
$1,568Air Canada
Find Deal
Tue, Feb 3 - Wed, Feb 11
Air Canada Logo
11:29 am - 4:25 pmMCI-UVF
26h 56m2 stops
Air Canada Logo
5:15 pm - 9:35 pmUVF-MCI
30h 20m2 stops
$1,575Air Canada
Find Deal
Tue, Feb 3 - Wed, Feb 11
United Airlines Logo
6:00 am - 4:25 pmMCI-UVF
8h 25m1 stop
United Airlines Logo
1:52 pm - 9:50 pmUVF-MCI
9h 58m1 stop
$6,667United Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3

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
MCI4:37 pmKansas City
19h 53m
2 stops
UVF1:30 pmCastries Hewanorra
Mar 23
UVF4:10 pmCastries Hewanorra
19h 33m
1 stop
MCI10:43 amKansas City
$621
Find similar
American Airlines
Nov 30
MCI5:04 amKansas City
8h 48m
1 stop
UVF3:52 pmCastries Hewanorra
Dec 14
UVF3:57 pmCastries Hewanorra
21h 09m
2 stops
MCI11:06 amKansas City
$626
Find similar
American Airlines
Dec 1
MCI11:40 amKansas City
23h 39m
1 stop
UVF1:19 pmCastries Hewanorra
Dec 15
UVF4:53 pmCastries Hewanorra
9h 32m
1 stop
MCI12:25 amKansas City
$628
Find similar

Air Canada flights from Kansas City to Saint Lucia

Our best Air Canada deals on Kansas City to Saint Lucia flight tickets
Air Canada
Feb 3
MCI11:29 amKansas City
26h 56m
2 stops
UVF4:25 pmCastries Hewanorra
Feb 11
UVF5:15 pmCastries Hewanorra
30h 20m
2 stops
MCI9:35 pmKansas City
$1,568
Find similar
Air Canada
Feb 3
MCI11:29 amKansas City
26h 56m
2 stops
UVF4:25 pmCastries Hewanorra
Feb 11
UVF5:15 pmCastries Hewanorra
30h 20m
2 stops
MCI9:35 pmKansas City
$1,575
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 September 18, 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

4:37 pm-1:30 pm

2 stops19h 53m

Castries Hewanorra

Mon 3/23

4:10 pm-10:43 am

1 stop19h 33m

$621

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 11/30

5:04 am-3:52 pm

1 stop8h 48m

Castries Hewanorra

Sun 12/14

3:57 pm-11:06 am

2 stops21h 09m

$626

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 12/1

11:40 am-1:19 pm

1 stop23h 39m

Castries Hewanorra

Mon 12/15

4:53 pm-12:25 am

1 stop9h 32m

$628

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Fri 11/14

5:45 am-3:39 pm

1 stop7h 54m

Castries Hewanorra

Tue 11/18

4:59 pm-11:56 pm

1 stop8h 57m

$646

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 11/1

6:00 am-3:25 pm

1 stop8h 25m

Castries Hewanorra

Sat 11/8

1:52 pm-8:56 am

1 stop21h 04m

$694

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 10/26

5:15 am-3:25 pm

3 stops33h 10m

Castries Hewanorra

Thu 10/30

2:40 pm-4:16 pm

2 stops26h 36m

$702

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sun 10/26

5:15 am-3:25 pm

3 stops33h 10m

Castries Hewanorra

Thu 10/30

2:40 pm-4:16 pm

3 stops26h 36m

$803

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 2/3

11:29 am-4:25 pm

2 stops26h 56m

Castries Hewanorra

Wed 2/11

5:15 pm-9:35 pm

2 stops30h 20m

$1,568

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 2/3

11:29 am-4:25 pm

2 stops26h 56m

Castries Hewanorra

Wed 2/11

5:15 pm-9:35 pm

2 stops30h 20m

$1,575

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 12/27

6:00 am-4:25 pm

1 stop8h 25m

Castries Hewanorra

Sat 1/3

1:52 pm-9:50 pm

1 stop9h 58m

$6,667

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
There are no direct flights from Kansas City to Saint Lucia. There are no popular flight routes from Kansas City to Saint Lucia.
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  • 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
DeltaPriceFrom $539Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $559Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

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