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Cheap flights from Missouri to Saint Lucia from $627

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Saint Lucia departing on 8/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:40 pm - 2:20 pm
STL
-
UVF
22h 40m
1 stop
Air Canada Logo
3:15 pm - 2:04 pm
UVF
-
STL
23h 49m
1 stop
$627Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
12:10 pm - 2:20 pm
STL
-
UVF
25h 10m
2 stops
Air Canada Logo
3:15 pm - 2:04 pm
UVF
-
STL
23h 49m
1 stop
$630Air Canada
Mon, Aug 24 - Fri, Aug 28
American Airlines Logo
5:53 pm - 1:50 pm
MCI
-
UVF
18h 57m
1 stop
American Airlines Logo
1:10 pm - 11:59 pm
UVF
-
MCI
11h 49m
1 stop
$630American Airlines
Mon, Jul 20 - Thu, Jul 30
American Airlines Logo
6:19 pm - 1:50 pm
MCI
-
UVF
18h 31m
2 stops
American Airlines Logo
3:20 pm - 8:32 am
UVF
-
MCI
18h 12m
2 stops
$635American Airlines
Mon, Jul 20 - Thu, Jul 30
American Airlines Logo
5:14 pm - 1:49 pm
MCI
-
UVF
19h 35m
2 stops
American Airlines Logo
2:49 pm - 8:53 am
UVF
-
MCI
19h 04m
2 stops
$640American Airlines
Wed, Aug 19 - Thu, Aug 27
Air Canada Logo
12:10 pm - 2:20 pm
STL
-
UVF
25h 10m
2 stops
Air Canada Logo
3:15 pm - 6:42 pm
UVF
-
STL
28h 27m
2 stops
$643Air Canada
Mon, Aug 24 - Fri, Aug 28
American Airlines Logo
7:04 am - 1:49 pm
MCI
-
UVF
29h 45m
1 stop
American Airlines Logo
2:49 pm - 11:59 pm
UVF
-
MCI
10h 10m
1 stop
$643American Airlines
Tue, Aug 11 - Mon, Aug 17
Delta Logo
6:00 am - 3:10 pm
STL
-
UVF
7h 10m
1 stop
Delta Logo
4:25 pm - 11:39 pm
UVF
-
STL
9h 14m
1 stop
$710Delta
Mon, Nov 23 - Fri, Dec 4
Multiple Airlines Logo
2:40 pm - 7:00 pm
STL
-
SLU
27h 20m
2 stops
Multiple Airlines Logo
12:35 pm - 2:00 pm
SLU
-
STL
26h 25m
2 stops
$952Multiple Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
2:40 pm - 7:00 pm
STL
-
SLU
27h 20m
2 stops
Multiple Airlines Logo
3:45 pm - 2:04 pm
SLU
-
STL
47h 19m
2 stops
$1,194Multiple Airlines
Thu, Aug 13 - Thu, Aug 20

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American Airlines flights from Missouri to Saint Lucia

Our best American Airlines deals on Missouri to Saint Lucia flight tickets
American Airlines
Jul 20
MCI5:53 pmKansas City
18h 57m
1 stop
UVF1:50 pmCastries Hewanorra
Jul 30
UVF1:10 pmCastries Hewanorra
11h 49m
1 stop
MCI11:59 pmKansas City
$630
American Airlines
Jul 20
MCI5:21 pmKansas City
17h 54m
2 stops
UVF12:15 pmCastries Hewanorra
Jul 30
UVF2:50 pmCastries Hewanorra
18h 57m
2 stops
MCI8:47 amKansas City
$635
American Airlines
Aug 19
MCI5:14 pmKansas City
19h 35m
2 stops
UVF1:49 pmCastries Hewanorra
Aug 27
UVF2:49 pmCastries Hewanorra
19h 04m
2 stops
MCI8:53 amKansas City
$640

Air Canada flights from Missouri to Saint Lucia

Our best Air Canada deals on Missouri to Saint Lucia flight tickets
Air Canada
Aug 24
STL2:40 pmLambert-St Louis
22h 40m
1 stop
UVF2:20 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
23h 49m
1 stop
STL2:04 pmLambert-St Louis
$627
Air Canada
Aug 24
STL12:10 pmLambert-St Louis
25h 10m
2 stops
UVF2:20 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
23h 49m
1 stop
STL2:04 pmLambert-St Louis
$630
Air Canada
Aug 24
STL12:10 pmLambert-St Louis
25h 10m
2 stops
UVF2:20 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
28h 27m
2 stops
STL6:42 pmLambert-St Louis
$643

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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 July 3, 2026.
Use the filters below to find and compare flights from Missouri to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/24

2:40 pm-2:20 pm

1 stop22h 40m

Castries Hewanorra

Fri 8/28

3:15 pm-2:04 pm

1 stop23h 49m

$627

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/24

12:10 pm-2:20 pm

2 stops25h 10m

Castries Hewanorra

Fri 8/28

3:15 pm-2:04 pm

1 stop23h 49m

$630

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/20

5:53 pm-1:50 pm

1 stop18h 57m

Castries Hewanorra

Thu 7/30

1:10 pm-11:59 pm

1 stop11h 49m

$630

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/20

6:19 pm-1:50 pm

2 stops18h 31m

Castries Hewanorra

Thu 7/30

3:20 pm-8:32 am

2 stops18h 12m

$635

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Wed 8/19

5:14 pm-1:49 pm

2 stops19h 35m

Castries Hewanorra

Thu 8/27

2:49 pm-8:53 am

2 stops19h 04m

$640

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/24

12:10 pm-2:20 pm

2 stops25h 10m

Castries Hewanorra

Fri 8/28

3:15 pm-6:42 pm

2 stops28h 27m

$643

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Tue 8/11

7:04 am-1:49 pm

1 stop29h 45m

Castries Hewanorra

Mon 8/17

2:49 pm-11:59 pm

1 stop10h 10m

$643
Quickest round-trip

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 11/23

6:00 am-3:10 pm

1 stop7h 10m

Castries Hewanorra

Fri 12/4

4:25 pm-11:39 pm

1 stop9h 14m

$710

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Sun 10/11

2:40 pm-7:00 pm

2 stops27h 20m

Castries George F. L. Charle

Wed 10/14

12:35 pm-2:00 pm

2 stops26h 25m

$952

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Thu 8/13

2:40 pm-7:00 pm

2 stops27h 20m

Castries George F. L. Charle

Thu 8/20

3:45 pm-2:04 pm

2 stops47h 19m

$1,194

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 Missouri 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 month to fly to Saint Lucia?

The month of January is, on average, the cheapest month to fly to Saint Lucia from Missouri, with most prices found around $483. If you aren’t able to travel to Saint Lucia during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $505.

Cheap Missouri to Saint Lucia flight deals and tips

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

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Missouri to Saint Lucia takes 7h 05m
There are no direct flights from Missouri to Saint Lucia. There are no popular flight routes from Missouri to Saint Lucia.
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Frequently asked questions about flying from Missouri to Saint Lucia

  • When did momondo last update prices for flights from Missouri to Saint Lucia?

    Prices for flights from Missouri to Saint Lucia were last updated today.

  • How many operators does momondo search for flights from Missouri to Saint Lucia?

  • How old do you have to be to fly from Missouri to Saint Lucia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Saint Lucia.

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

    The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Missouri to Saint Lucia

Compare and see reviews for airlines that fly from Missouri to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $575Free CancellationRating
7.1
11,764 reviews
Search American Airlines flights
DeltaPriceFrom $600Free CancellationRating
7.8
8,453 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Missouri to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

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

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

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

Once you have performed a search for Missouri to Saint Lucia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Missouri to Saint Lucia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular flights according to clicks in the last 7 days on momondo
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