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Cheap flights from Missouri to Saint Lucia from $485

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 9/8. 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

Air Canada Logo
1:30 pm - 2:15 pmSTL-UVF
23h 45m2 stops
Air Canada Logo
3:10 pm - 7:57 pmUVF-STL
53h 47m2 stops
$485Air Canada
Find Deal
mån, sep 8 - tis, sep 16
Air Canada Logo
9:15 am - 2:15 pmSTL-UVF
28h 00m1 stop
Air Canada Logo
3:10 pm - 3:18 pmUVF-STL
25h 08m1 stop
$490Air Canada
Find Deal
mån, sep 8 - tis, sep 16
Delta Logo
6:00 am - 3:04 pmSTL-UVF
7h 04m1 stop
Delta Logo
4:24 pm - 11:40 pmUVF-STL
9h 16m1 stop
$575Delta
Find Deal
mån, jan 26 - tis, feb 3
Delta Logo
6:00 am - 3:04 pmSTL-UVF
7h 04m1 stop
Delta Logo
4:24 pm - 11:40 pmUVF-STL
9h 16m1 stop
$600Delta
Find Deal
mån, jan 26 - sön, feb 1
American Airlines Logo
7:01 pm - 3:50 pmSTL-UVF
18h 49m2 stops
American Airlines Logo
5:10 pm - 8:14 amUVF-STL
17h 04m1 stop
$605American Airlines
Find Deal
tis, jan 27 - mån, feb 2
American Airlines Logo
2:39 pm - 1:00 pmSTL-UVF
20h 21m2 stops
American Airlines Logo
4:55 pm - 11:07 amUVF-STL
20h 12m2 stops
$610American Airlines
Find Deal
lör, dec 13 - sön, dec 21
Logo
1:30 pm - 2:15 pmSTL-UVF
23h 45m2 stops
Logo
3:10 pm - 4:35 pmUVF-STL
26h 25m3 stops
$680
Find Deal
mån, sep 8 - tis, sep 16
Logo
9:50 am - 2:15 pmSTL-UVF
27h 25m3 stops
Logo
3:10 pm - 4:35 pmUVF-STL
26h 25m3 stops
$826
Find Deal
mån, sep 8 - tis, sep 16
WestJet Logo
10:45 am - 2:50 pmSTL-UVF
26h 05m2 stops
WestJet Logo
3:40 pm - 6:04 pmUVF-STL
28h 24m2 stops
$3,646WestJet
Find Deal
mån, jan 26 - tis, feb 3
WestJet Logo
5:45 pm - 2:50 pmSTL-UVF
19h 05m2 stops
WestJet Logo
3:40 pm - 9:44 amUVF-STL
20h 04m2 stops
$3,669WestJet
Find Deal
mån, jan 26 - tis, feb 3

American Airlines flights from Missouri to Saint Lucia

Our best American Airlines deals on Missouri to Saint Lucia flight tickets
American Airlines
Jan 27
STL7:01 pmLambert-St Louis
18h 49m
2 stops
UVF3:50 pmCastries Hewanorra
Feb 2
UVF5:10 pmCastries Hewanorra
17h 04m
1 stop
STL8:14 amLambert-St Louis
$605
Find similar
American Airlines
Dec 13
STL2:39 pmLambert-St Louis
20h 21m
2 stops
UVF1:00 pmCastries Hewanorra
Dec 21
UVF4:55 pmCastries Hewanorra
20h 12m
2 stops
STL11:07 amLambert-St Louis
$610
Find similar
American Airlines
Nov 25
STL5:21 amLambert-St Louis
8h 29m
1 stop
UVF3:50 pmCastries Hewanorra
Dec 2
UVF2:28 pmCastries Hewanorra
10h 04m
1 stop
STL10:32 pmLambert-St Louis
$625
Find similar

Delta flights from Missouri to Saint Lucia

Our best Delta deals on Missouri to Saint Lucia flight tickets
Delta
Jan 26
STL6:00 amLambert-St Louis
7h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Feb 3
UVF4:24 pmCastries Hewanorra
9h 16m
1 stop
STL11:40 pmLambert-St Louis
$575
Find similar
Delta
Jan 26
STL6:00 amLambert-St Louis
7h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Feb 1
UVF4:24 pmCastries Hewanorra
9h 16m
1 stop
STL11:40 pmLambert-St Louis
$600
Find similar
Delta
Nov 14
MCI6:00 amKansas City
7h 10m
1 stop
UVF3:10 pmCastries Hewanorra
Nov 18
UVF4:35 pmCastries Hewanorra
9h 22m
1 stop
MCI11:57 pmKansas City
$616
Find similar

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 augusti 6, 2025.
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

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 9/8

1:30 pm-2:15 pm

2 stops23h 45m

Castries Hewanorra

tis 9/16

3:10 pm-7:57 pm

2 stops53h 47m

$485

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 9/8

9:15 am-2:15 pm

1 stop28h 00m

Castries Hewanorra

tis 9/16

3:10 pm-3:18 pm

1 stop25h 08m

$490

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 1/26

6:00 am-3:04 pm

1 stop7h 04m

Castries Hewanorra

tis 2/3

4:24 pm-11:40 pm

1 stop9h 16m

$575

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 1/26

6:00 am-3:04 pm

1 stop7h 04m

Castries Hewanorra

sön 2/1

4:24 pm-11:40 pm

1 stop9h 16m

$600

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

tis 1/27

7:01 pm-3:50 pm

2 stops18h 49m

Castries Hewanorra

mån 2/2

5:10 pm-8:14 am

1 stop17h 04m

$605

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

lör 12/13

2:39 pm-1:00 pm

2 stops20h 21m

Castries Hewanorra

sön 12/21

4:55 pm-11:07 am

2 stops20h 12m

$610

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 9/8

1:30 pm-2:15 pm

2 stops23h 45m

Castries Hewanorra

tis 9/16

3:10 pm-4:35 pm

3 stops26h 25m

$680

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 9/8

9:50 am-2:15 pm

3 stops27h 25m

Castries Hewanorra

tis 9/16

3:10 pm-4:35 pm

3 stops26h 25m

$826

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 1/26

10:45 am-2:50 pm

2 stops26h 05m

Castries Hewanorra

tis 2/3

3:40 pm-6:04 pm

2 stops28h 24m

$3,646

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mån 1/26

5:45 pm-2:50 pm

2 stops19h 05m

Castries Hewanorra

tis 2/3

3:40 pm-9:44 am

2 stops20h 04m

$3,669

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 day to depart on your flight to Saint Lucia?

Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $591. On the other hand, Thursday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $862.

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

Best Price Found

$485

Fastest flight time

7h 04m

Direct flights

None

Airports in Saint Lucia

1 airport
The best flight deal from Missouri to Saint Lucia found on momondo in the last 72 hours is $485
The fastest flight from Missouri to Saint Lucia takes 7h 04m
There are no direct flights from Missouri to Saint Lucia. Popular non-direct routes for this connection are Lambert-St Louis Airport - Castries Hewanorra Airport and Kansas City Airport - Castries Hewanorra Airport.
There is 1 airport near Saint Lucia: Castries Hewanorra (UVF)
Search flight deals

  • 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 $509Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $525Free CancellationRating
8.0
7,986 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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