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Cheap flights from Missouri to Saint Lucia from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Saint Lucia departing on 6/9. 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 Missouri to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 2:20 pm
STL
-
UVF
49h 10m
2 stops
Air Canada Logo
3:05 pm - 2:02 pm
UVF
-
STL
23h 57m
1 stop
$447Air Canada
Sun, Aug 9 - Fri, Aug 14
Air Canada Logo
8:55 am - 2:20 pm
STL
-
UVF
28h 25m
1 stop
Air Canada Logo
3:15 pm - 2:02 pm
UVF
-
STL
23h 47m
1 stop
$562Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
8:55 am - 2:20 pm
STL
-
UVF
28h 25m
1 stop
Air Canada Logo
3:15 pm - 6:42 pm
UVF
-
STL
28h 27m
2 stops
$576Air 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 - 6:42 pm
UVF
-
STL
28h 27m
2 stops
$579Air Canada
Mon, Aug 24 - Fri, Aug 28
Air Canada Logo
2:40 pm - 2:20 pm
STL
-
UVF
22h 40m
1 stop
Air Canada Logo
3:15 pm - 2:02 pm
UVF
-
STL
23h 47m
1 stop
$588Air Canada
Mon, Aug 10 - Tue, Aug 18
Air Canada Logo
12:10 pm - 2:20 pm
STL
-
UVF
25h 10m
2 stops
Air Canada Logo
3:15 pm - 2:02 pm
UVF
-
STL
23h 47m
1 stop
$592Air Canada
Mon, Aug 10 - Tue, Aug 18
American Airlines Logo
5:53 pm - 12:08 pm
MCI
-
UVF
17h 15m
1 stop
American Airlines Logo
3:20 pm - 10:59 pm
UVF
-
MCI
8h 39m
1 stop
$688American Airlines
Mon, Jul 6 - Tue, Jul 14
American Airlines Logo
3:52 pm - 2:29 pm
MCI
-
UVF
21h 37m
2 stops
American Airlines Logo
3:04 pm - 11:49 pm
UVF
-
MCI
9h 45m
1 stop
$693American Airlines
Sat, Aug 22 - Fri, Aug 28
American Airlines Logo
1:35 pm - 2:29 pm
MCI
-
UVF
23h 54m
1 stop
American Airlines Logo
3:04 pm - 11:49 pm
UVF
-
MCI
9h 45m
1 stop
$699American Airlines
Sat, Aug 22 - Fri, Aug 28
Multiple Airlines Logo
2:15 pm - 7:00 pm
STL
-
SLU
27h 45m
2 stops
Multiple Airlines Logo
3:45 pm - 2:02 pm
SLU
-
STL
47h 17m
2 stops
$1,150Multiple Airlines
Tue, Jun 30 - Tue, Jul 7

American Airlines flights from Missouri to Saint Lucia

Our best American Airlines deals on Missouri to Saint Lucia flight tickets
American Airlines
Jul 6
MCI5:53 pmKansas City
17h 15m
1 stop
UVF12:08 pmCastries Hewanorra
Jul 14
UVF3:20 pmCastries Hewanorra
8h 39m
1 stop
MCI10:59 pmKansas City
$688
American Airlines
Aug 22
MCI3:52 pmKansas City
21h 37m
2 stops
UVF2:29 pmCastries Hewanorra
Aug 28
UVF3:04 pmCastries Hewanorra
9h 45m
1 stop
MCI11:49 pmKansas City
$693
American Airlines
Aug 22
MCI1:35 pmKansas City
23h 54m
1 stop
UVF2:29 pmCastries Hewanorra
Aug 28
UVF3:04 pmCastries Hewanorra
9h 45m
1 stop
MCI11:49 pmKansas City
$699

Delta flights from Missouri to Saint Lucia

Our best Delta deals on Missouri to Saint Lucia flight tickets
Delta
May 27
MCI5:39 amKansas City
7h 26m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 3
UVF3:25 pmCastries Hewanorra
9h 24m
1 stop
MCI11:49 pmKansas City
$863
Delta
May 26
MCI5:39 amKansas City
7h 26m
1 stop
UVF2:05 pmCastries Hewanorra
May 31
UVF3:25 pmCastries Hewanorra
9h 24m
1 stop
MCI11:49 pmKansas City
$893
Delta
May 27
MCI5:39 amKansas City
7h 26m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 3
UVF3:25 pmCastries Hewanorra
9h 24m
1 stop
MCI11:49 pmKansas City
$963

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 May 17, 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

Sun 8/9

12:10 pm-2:20 pm

2 stops49h 10m

Castries Hewanorra

Fri 8/14

3:05 pm-2:02 pm

1 stop23h 57m

$447

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/24

8:55 am-2:20 pm

1 stop28h 25m

Castries Hewanorra

Fri 8/28

3:15 pm-2:02 pm

1 stop23h 47m

$562

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/24

8:55 am-2:20 pm

1 stop28h 25m

Castries Hewanorra

Fri 8/28

3:15 pm-6:42 pm

2 stops28h 27m

$576

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

$579

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/10

2:40 pm-2:20 pm

1 stop22h 40m

Castries Hewanorra

Tue 8/18

3:15 pm-2:02 pm

1 stop23h 47m

$588

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Mon 8/10

12:10 pm-2:20 pm

2 stops25h 10m

Castries Hewanorra

Tue 8/18

3:15 pm-2:02 pm

1 stop23h 47m

$592
Quickest round-trip

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Mon 7/6

5:53 pm-12:08 pm

1 stop17h 15m

Castries Hewanorra

Tue 7/14

3:20 pm-10:59 pm

1 stop8h 39m

$688

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

3:52 pm-2:29 pm

2 stops21h 37m

Castries Hewanorra

Fri 8/28

3:04 pm-11:49 pm

1 stop9h 45m

$693

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

1:35 pm-2:29 pm

1 stop23h 54m

Castries Hewanorra

Fri 8/28

3:04 pm-11:49 pm

1 stop9h 45m

$699

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Tue 6/30

2:15 pm-7:00 pm

2 stops27h 45m

Castries George F. L. Charle

Tue 7/7

3:45 pm-2:02 pm

2 stops47h 17m

$1,150

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 08m

Direct flights

None
The fastest flight from Missouri to Saint Lucia takes 7h 08m
There are no direct flights from Missouri to Saint Lucia. There are no popular flight routes from Missouri to Saint Lucia.
Search flight deals

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
11,654 reviews
Search American Airlines flights
DeltaPriceFrom $600Free CancellationRating
7.9
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.

An easier way to manage your Saint Lucia trip

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