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Cheap flights from St. Louis to Saint Lucia from $708

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.
Multiple Airlines Logo
4:05 pm - 4:40 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
22h 35m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:35 pm - 12:12 amUVF  Castries Hewanorra-STL Lambert-St Louis
32h 37m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Orlando
$708Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
American Airlines Logo
5:00 am - 3:38 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
8h 38m1 stop Miami
American Airlines Logo
4:13 pm - 11:46 pmUVF  Castries Hewanorra-STL Lambert-St Louis
9h 33m1 stop Charlotte Douglas
$711American Airlines
Tue, Feb 9 - Wed, Feb 17
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:26 pm - 12:05 amUVF  Castries Hewanorra-STL Lambert-St Louis
9h 39m1 stop Atlanta Hartsfield-Jackson
$711Delta
Mon, Nov 23 - Fri, Dec 4
American Airlines Logo
5:00 am - 2:46 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 46m1 stop Miami
American Airlines Logo
3:39 pm - 10:21 amUVF  Castries Hewanorra-STL Lambert-St Louis
20h 42m2 stops Miami Charlotte Douglas
$715American Airlines
Tue, Feb 9 - Wed, Feb 17
Air Canada Logo
4:05 pm - 4:40 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
22h 35m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 pm - 3:26 pmUVF  Castries Hewanorra-STL Lambert-St Louis
23h 51m1 stop Toronto Pearson Intl
$723Air Canada
Wed, Nov 25 - Mon, Nov 30
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:26 pm - 12:05 amUVF  Castries Hewanorra-STL Lambert-St Louis
9h 39m1 stop Atlanta Hartsfield-Jackson
$731Delta
Mon, Nov 23 - Fri, Dec 4
American Airlines Logo
5:00 am - 2:56 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 56m1 stop Miami
American Airlines Logo
4:12 pm - 10:42 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 30m1 stop Charlotte Douglas
$743American Airlines
Sat, Nov 28 - Sat, Dec 5
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:26 pm - 12:05 amUVF  Castries Hewanorra-STL Lambert-St Louis
9h 39m1 stop Atlanta Hartsfield-Jackson
$747Delta
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
9:09 am - 4:40 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
29h 31m2 stops Dallas/Fort Worth Toronto Pearson Intl
Multiple Airlines Logo
5:35 pm - 12:12 amUVF  Castries Hewanorra-STL Lambert-St Louis
32h 37m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Orlando
$832Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
6:35 pm - 4:40 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
44h 05m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl
Multiple Airlines Logo
5:35 pm - 3:26 pmUVF  Castries Hewanorra-STL Lambert-St Louis
23h 51m1 stop Toronto Pearson Intl
$882Multiple Airlines
Wed, Nov 25 - Mon, Nov 30

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American Airlines flights from St. Louis to Saint Lucia

Our best American Airlines deals on St. Louis to Saint Lucia flight tickets
American Airlines
Feb 9
STL5:00 amLambert-St Louis
7h 46m
1 stop
UVF2:46 pmCastries Hewanorra
Feb 17
UVF3:39 pmCastries Hewanorra
20h 42m
2 stops
STL10:21 amLambert-St Louis
$715
American Airlines
Nov 28
STL5:00 amLambert-St Louis
7h 56m
1 stop
UVF2:56 pmCastries Hewanorra
Dec 5
UVF4:12 pmCastries Hewanorra
8h 30m
1 stop
STL10:42 pmLambert-St Louis
$743
American Airlines
Jan 7
STL6:00 pmLambert-St Louis
19h 38m
2 stops
UVF3:38 pmCastries Hewanorra
Jan 12
UVF3:46 pmCastries Hewanorra
8h 56m
1 stop
STL10:42 pmLambert-St Louis
$751

WestJet flights from St. Louis to Saint Lucia

Our best WestJet deals on St. Louis to Saint Lucia flight tickets
WestJet
Oct 25
STL5:35 pmLambert-St Louis
43h 20m
2 stops
UVF1:55 pmCastries Hewanorra
Oct 29
UVF2:55 pmCastries Hewanorra
23h 58m
2 stops
STL1:53 pmLambert-St Louis
$4,070
WestJet
Oct 25
STL5:35 pmLambert-St Louis
43h 20m
2 stops
UVF1:55 pmCastries Hewanorra
Oct 29
UVF2:55 pmCastries Hewanorra
23h 58m
2 stops
STL1:53 pmLambert-St Louis
$4,098
WestJet
Oct 25
STL5:35 pmLambert-St Louis
43h 20m
2 stops
UVF1:55 pmCastries Hewanorra
Oct 29
UVF2:55 pmCastries Hewanorra
23h 58m
2 stops
STL1:53 pmLambert-St Louis
$4,101

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

Thu 11/26

4:05 pm-4:40 pm

1 stop22h 35m

Castries Hewanorra

Thu 12/3

5:35 pm-12:12 am

3 stops32h 37m

$708

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Tue 2/9

5:00 am-3:38 pm

1 stop8h 38m

Castries Hewanorra

Wed 2/17

4:13 pm-11:46 pm

1 stop9h 33m

$711

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Mon 11/23

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Fri 12/4

4:26 pm-12:05 am

1 stop9h 39m

$711

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Tue 2/9

5:00 am-2:46 pm

1 stop7h 46m

Castries Hewanorra

Wed 2/17

3:39 pm-10:21 am

2 stops20h 42m

$715

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 11/25

4:05 pm-4:40 pm

1 stop22h 35m

Castries Hewanorra

Mon 11/30

5:35 pm-3:26 pm

1 stop23h 51m

$723

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Mon 11/23

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Fri 12/4

4:26 pm-12:05 am

1 stop9h 39m

$731
Quickest round-trip

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sat 11/28

5:00 am-2:56 pm

1 stop7h 56m

Castries Hewanorra

Sat 12/5

4:12 pm-10:42 pm

1 stop8h 30m

$743

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Thu 11/26

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Thu 12/3

4:26 pm-12:05 am

1 stop9h 39m

$747

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Thu 11/26

9:09 am-4:40 pm

2 stops29h 31m

Castries Hewanorra

Thu 12/3

5:35 pm-12:12 am

3 stops32h 37m

$832

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 11/25

6:35 pm-4:40 pm

3 stops44h 05m

Castries Hewanorra

Mon 11/30

5:35 pm-3:26 pm

1 stop23h 51m

$882

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 April is also cheap. Prices for this month can be found on momondo for an average of $780.

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

$708

Fastest flight time

7h 05m

Direct flights

None
The best flight deal from St. Louis to Saint Lucia found on momondo in the last 72 hours is $708
The fastest flight from St. Louis to Saint Lucia takes 7h 05m
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 $620Free CancellationRating
7.8
8,663 reviews
Search Delta flights
American AirlinesPriceFrom $713Free CancellationRating
7.0
12,177 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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