Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Missouri to Saint Lucia from $229

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 4/29. 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 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
3:15 pm - 8:07 pm
UVF
-
STL
29h 52m
1 stop
$540Air Canada
Sun, Aug 16 - Fri, Aug 21
Air Canada Logo
12:10 pm - 2:20 pm
STL
-
UVF
49h 10m
2 stops
Air Canada Logo
3:15 pm - 6:42 pm
UVF
-
STL
28h 27m
2 stops
$543Air Canada
Sun, Aug 16 - Fri, Aug 21
American Airlines Logo
4:32 pm - 2:15 pm
STL
-
UVF
20h 43m
1 stop
American Airlines Logo
3:15 pm - 8:04 am
UVF
-
STL
17h 49m
1 stop
$700American Airlines
Sun, Aug 16 - Fri, Aug 21
American Airlines Logo
6:33 pm - 2:15 pm
MCI
-
UVF
18h 42m
1 stop
American Airlines Logo
3:09 pm - 12:29 am
UVF
-
MCI
10h 20m
1 stop
$708American Airlines
Sat, Aug 22 - Fri, Aug 28
American Airlines Logo
3:49 pm - 2:09 pm
MCI
-
UVF
21h 20m
2 stops
American Airlines Logo
3:09 pm - 12:29 am
UVF
-
MCI
10h 20m
1 stop
$713American Airlines
Sat, Aug 22 - Fri, Aug 28
American Airlines Logo
6:33 pm - 2:15 pm
MCI
-
UVF
18h 42m
1 stop
American Airlines Logo
3:15 pm - 12:05 am
UVF
-
MCI
9h 50m
1 stop
$714American Airlines
Sat, Aug 22 - Fri, Aug 28
Delta Logo
6:00 am - 2:12 pm
STL
-
UVF
7h 12m
1 stop
Delta Logo
3:33 pm - 11:40 pm
UVF
-
STL
9h 07m
1 stop
$725Delta
Tue, Jul 7 - Sat, Jul 11
Delta Logo
6:00 am - 2:05 pm
STL
-
UVF
7h 05m
1 stop
Delta Logo
3:25 pm - 11:59 pm
UVF
-
STL
9h 34m
1 stop
$728Delta
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
1:05 pm - 7:00 pm
STL
-
SLU
28h 55m
3 stops
Multiple Airlines Logo
9:10 am - 12:21 pm
SLU
-
STL
28h 11m
2 stops
$1,204Multiple Airlines
Wed, Jun 17 - Sun, Jun 21
Multiple Airlines Logo
2:15 pm - 1:10 pm
STL
-
SLU
21h 55m
2 stops
Multiple Airlines Logo
10:15 am - 12:06 pm
SLU
-
STL
26h 51m
2 stops
$1,598Multiple Airlines
Wed, May 13 - Wed, May 20

American Airlines flights from Missouri to Saint Lucia

Our best American Airlines deals on Missouri to Saint Lucia flight tickets
American Airlines
Aug 16
STL4:32 pmLambert-St Louis
20h 43m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 21
UVF3:15 pmCastries Hewanorra
17h 49m
1 stop
STL8:04 amLambert-St Louis
$700
American Airlines
Aug 22
MCI6:33 pmKansas City
18h 42m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 28
UVF3:09 pmCastries Hewanorra
10h 20m
1 stop
MCI12:29 amKansas City
$708
American Airlines
Aug 22
MCI3:49 pmKansas City
21h 20m
2 stops
UVF2:09 pmCastries Hewanorra
Aug 28
UVF3:09 pmCastries Hewanorra
10h 20m
1 stop
MCI12:29 amKansas City
$713

Delta flights from Missouri to Saint Lucia

Our best Delta deals on Missouri to Saint Lucia flight tickets
Delta
Jul 7
STL6:00 amLambert-St Louis
7h 12m
1 stop
UVF2:12 pmCastries Hewanorra
Jul 11
UVF3:33 pmCastries Hewanorra
9h 07m
1 stop
STL11:40 pmLambert-St Louis
$725
Delta
May 12
STL6:00 amLambert-St Louis
7h 05m
1 stop
UVF2:05 pmCastries Hewanorra
May 19
UVF3:25 pmCastries Hewanorra
9h 34m
1 stop
STL11:59 pmLambert-St Louis
$728
Delta
Sep 26
MCI5:40 amKansas City
7h 33m
1 stop
UVF2:13 pmCastries Hewanorra
Oct 2
UVF3:38 pmCastries Hewanorra
9h 14m
1 stop
MCI11:52 pmKansas City
$733

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 March 31, 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 8/16

12:10 pm-2:20 pm

2 stops49h 10m

Castries Hewanorra

Fri 8/21

3:15 pm-8:07 pm

1 stop29h 52m

$540

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 8/16

12:10 pm-2:20 pm

2 stops49h 10m

Castries Hewanorra

Fri 8/21

3:15 pm-6:42 pm

2 stops28h 27m

$543

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Sun 8/16

4:32 pm-2:15 pm

1 stop20h 43m

Castries Hewanorra

Fri 8/21

3:15 pm-8:04 am

1 stop17h 49m

$700

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

6:33 pm-2:15 pm

1 stop18h 42m

Castries Hewanorra

Fri 8/28

3:09 pm-12:29 am

1 stop10h 20m

$708

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

3:49 pm-2:09 pm

2 stops21h 20m

Castries Hewanorra

Fri 8/28

3:09 pm-12:29 am

1 stop10h 20m

$713

Kansas CityCastries

MCI - UVF

MCIUVF

Kansas City

Sat 8/22

6:33 pm-2:15 pm

1 stop18h 42m

Castries Hewanorra

Fri 8/28

3:15 pm-12:05 am

1 stop9h 50m

$714
Quickest round-trip

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Tue 7/7

6:00 am-2:12 pm

1 stop7h 12m

Castries Hewanorra

Sat 7/11

3:33 pm-11:40 pm

1 stop9h 07m

$725

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Tue 5/12

6:00 am-2:05 pm

1 stop7h 05m

Castries Hewanorra

Tue 5/19

3:25 pm-11:59 pm

1 stop9h 34m

$728

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Wed 6/17

1:05 pm-7:00 pm

3 stops28h 55m

Castries George F. L. Charle

Sun 6/21

9:10 am-12:21 pm

2 stops28h 11m

$1,204

St. LouisCastries

STL - SLU

STLSLU

Lambert-St Louis

Wed 5/13

2:15 pm-1:10 pm

2 stops21h 55m

Castries George F. L. Charle

Wed 5/20

10:15 am-12:06 pm

2 stops26h 51m

$1,598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 airline that flies from Missouri to Saint Lucia?

Air Canada, Delta, and American Airlines are the most popular carriers operating from Missouri to Saint Lucia

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

6h 58m

Direct flights

None
The fastest flight from Missouri to Saint Lucia takes 6h 58m
There are no direct flights from Missouri to Saint Lucia. There are no popular flight routes from Missouri to Saint Lucia.
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 $575Free CancellationRating
7.1
11,543 reviews
Search American Airlines flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,364 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

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
Thu 4/30
Thu 5/7
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 $472