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Cheap flights from St. Louis to Saint Lucia from $671

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:54 pm - 2:23 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
18h 29m1 stop Charlotte Douglas
American Airlines Logo
2:35 pm - 10:24 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 49m1 stop Miami
$671American Airlines
Sat, Apr 17 - Fri, Apr 23
American Airlines Logo
5:21 pm - 2:23 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
20h 02m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
2:35 pm - 9:30 amUVF  Castries Hewanorra-STL Lambert-St Louis
19h 55m2 stops Miami Washington, D.C. Reagan-National
$675American Airlines
Sat, Apr 17 - Fri, Apr 23
American Airlines Logo
6:11 pm - 2:23 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
19h 12m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
3:28 pm - 8:28 amUVF  Castries Hewanorra-STL Lambert-St Louis
18h 00m1 stop Charlotte Douglas
$675American Airlines
Sat, Apr 17 - Fri, Apr 23
Delta Logo
6:00 am - 3:04 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 04m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:56 pm - 11:55 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 59m1 stop Atlanta Hartsfield-Jackson
$731Delta
Wed, Dec 16 - Wed, Dec 23
American Airlines Logo
5:00 am - 2:57 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
8h 57m1 stop Miami
American Airlines Logo
2:35 pm - 10:24 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 49m1 stop Miami
$736American Airlines
Wed, Mar 31 - Tue, Apr 6
Delta Logo
6:00 am - 3:06 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:35 pm - 11:26 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 51m1 stop Atlanta Hartsfield-Jackson
$767Delta
Fri, Jan 29 - Fri, Feb 5
Delta Logo
6:00 am - 3:06 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:35 pm - 11:26 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 51m1 stop Atlanta Hartsfield-Jackson
$767Delta
Sun, Jan 31 - Sun, Feb 7
United Airlines Logo
8:05 am - 2:15 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
28h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:21 pm - 5:08 pmUVF  Castries Hewanorra-STL Lambert-St Louis
27h 47m2 stops Newark Chicago O'Hare Intl
$963United Airlines
Mon, Dec 21 - Mon, Dec 28
United Airlines Logo
8:05 am - 2:15 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
28h 10m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:21 pm - 10:42 amUVF  Castries Hewanorra-STL Lambert-St Louis
21h 21m2 stops Newark Chicago O'Hare Intl
$963United Airlines
Mon, Dec 21 - Tue, Dec 29
United Airlines Logo
9:35 am - 2:15 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
26h 40m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:21 pm - 10:42 amUVF  Castries Hewanorra-STL Lambert-St Louis
21h 21m2 stops Newark Chicago O'Hare Intl
$1,008United Airlines
Sun, Dec 20 - Tue, Dec 29

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Delta flights from St. Louis to Saint Lucia

Our best Delta deals on St. Louis to Saint Lucia flight tickets
Delta
Dec 16
STL6:00 amLambert-St Louis
7h 04m
1 stop
UVF3:04 pmCastries Hewanorra
Dec 23
UVF4:56 pmCastries Hewanorra
8h 59m
1 stop
STL11:55 pmLambert-St Louis
$731
Delta
Dec 21
STL6:00 amLambert-St Louis
7h 36m
1 stop
UVF3:36 pmCastries Hewanorra
Dec 29
UVF4:56 pmCastries Hewanorra
8h 59m
1 stop
STL11:55 pmLambert-St Louis
$893
Delta
Nov 23
STL6:00 amLambert-St Louis
7h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Dec 4
UVF4:26 pmCastries Hewanorra
9h 39m
1 stop
STL12:05 amLambert-St Louis
$895

American Airlines flights from St. Louis to Saint Lucia

Our best American Airlines deals on St. Louis to Saint Lucia flight tickets
American Airlines
Apr 17
STL6:54 pmLambert-St Louis
18h 29m
1 stop
UVF2:23 pmCastries Hewanorra
Apr 23
UVF2:35 pmCastries Hewanorra
8h 49m
1 stop
STL10:24 pmLambert-St Louis
$671
American Airlines
Apr 17
STL6:11 pmLambert-St Louis
19h 12m
2 stops
UVF2:23 pmCastries Hewanorra
Apr 23
UVF3:28 pmCastries Hewanorra
18h 00m
1 stop
STL8:28 amLambert-St Louis
$675
American Airlines
Mar 31
STL5:00 amLambert-St Louis
8h 57m
1 stop
UVF2:57 pmCastries Hewanorra
Apr 6
UVF2:35 pmCastries Hewanorra
8h 49m
1 stop
STL10:24 pmLambert-St Louis
$736

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Saint Lucia that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sat 4/17

6:54 pm-2:23 pm

1 stop18h 29m

Castries Hewanorra

Fri 4/23

2:35 pm-10:24 pm

1 stop8h 49m

$671

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sat 4/17

5:21 pm-2:23 pm

2 stops20h 02m

Castries Hewanorra

Fri 4/23

2:35 pm-9:30 am

2 stops19h 55m

$675

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sat 4/17

6:11 pm-2:23 pm

2 stops19h 12m

Castries Hewanorra

Fri 4/23

3:28 pm-8:28 am

1 stop18h 00m

$675

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 12/16

6:00 am-3:04 pm

1 stop7h 04m

Castries Hewanorra

Wed 12/23

4:56 pm-11:55 pm

1 stop8h 59m

$731

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 3/31

5:00 am-2:57 pm

1 stop8h 57m

Castries Hewanorra

Tue 4/6

2:35 pm-10:24 pm

1 stop8h 49m

$736
Quickest round-trip

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Fri 1/29

6:00 am-3:06 pm

1 stop7h 06m

Castries Hewanorra

Fri 2/5

4:35 pm-11:26 pm

1 stop8h 51m

$767

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sun 1/31

6:00 am-3:06 pm

1 stop7h 06m

Castries Hewanorra

Sun 2/7

4:35 pm-11:26 pm

1 stop8h 51m

$767

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Mon 12/21

8:05 am-2:15 pm

2 stops28h 10m

Castries Hewanorra

Mon 12/28

3:21 pm-5:08 pm

2 stops27h 47m

$963

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Mon 12/21

8:05 am-2:15 pm

2 stops28h 10m

Castries Hewanorra

Tue 12/29

3:21 pm-10:42 am

2 stops21h 21m

$963

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sun 12/20

9:35 am-2:15 pm

2 stops26h 40m

Castries Hewanorra

Tue 12/29

3:21 pm-10:42 am

2 stops21h 21m

$1,008

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 St. Louis 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 July is, on average, the cheapest month to fly to Saint Lucia from St. Louis, with most prices found around $573. If you aren’t able to travel to Saint Lucia during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $790.

Cheap St. Louis to Saint Lucia flight deals and tips

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

Best Price Found

$671

Fastest flight time

7h 00m

Direct flights

None
The best flight deal from St. Louis to Saint Lucia found on momondo in the last 72 hours is $671
The fastest flight from St. Louis to Saint Lucia takes 7h 00m
There are no direct flights from St. Louis to Saint Lucia. There are no popular flight routes from St. Louis to Saint Lucia.
Search flight deals

Frequently asked questions about flying from St. Louis to Saint Lucia

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Saint Lucia?

    Prices for flights from Lambert-St Louis Airport to Saint Lucia were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Saint Lucia?

  • How old do you have to be to fly from Lambert-St Louis Airport to Saint Lucia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis 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 St. Louis to Saint Lucia

Compare and see reviews for airlines that fly from St. Louis to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $630Free CancellationRating
7.8
8,696 reviews
Search Delta flights
American AirlinesPriceFrom $713Free CancellationRating
7.0
12,229 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Saint Lucia?

Finding the right flight to Saint Lucia from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Lucia quick and easy, saving you time and money.

Can I find flights from St. Louis to Saint Lucia with flexible booking policies on momondo?

All flight searches from St. Louis to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Saint Lucia?

momondo provides multiple filters to help you find the best flight to Saint Lucia from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Saint Lucia from St. Louis 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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