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Cheap flights from St. Louis to Saint Lucia from $252

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.
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
$608Air Canada
Wed, Dec 9 - Mon, Dec 14
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
$653Air Canada
Wed, Dec 9 - Mon, Dec 14
American Airlines Logo
5:24 am - 1:35 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 11m1 stop Miami
American Airlines Logo
2:35 pm - 10:24 pmUVF  Castries Hewanorra-STL Lambert-St Louis
8h 49m1 stop Miami
$751American Airlines
Tue, Apr 6 - Fri, Apr 16
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:20 pm - 11:39 pmUVF  Castries Hewanorra-STL Lambert-St Louis
9h 19m1 stop Atlanta Hartsfield-Jackson
$751Delta
Wed, Feb 24 - Tue, Mar 9
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:25 pm - 11:39 pmUVF  Castries Hewanorra-STL Lambert-St Louis
9h 14m1 stop Atlanta Hartsfield-Jackson
$751Delta
Wed, Feb 24 - Wed, Mar 3
Delta Logo
6:00 am - 3:05 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:20 pm - 11:39 pmUVF  Castries Hewanorra-STL Lambert-St Louis
9h 19m1 stop Atlanta Hartsfield-Jackson
$751Delta
Sun, Feb 28 - Tue, Mar 9
Multiple Airlines Logo
12:02 pm - 4:40 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
26h 38m3 stops Atlanta Hartsfield-Jackson Baltimore/Washington Toronto Pearson Intl
Multiple Airlines Logo
5:35 pm - 3:26 pmUVF  Castries Hewanorra-STL Lambert-St Louis
23h 51m1 stop Toronto Pearson Intl
$753Multiple Airlines
Wed, Dec 9 - Mon, Dec 14
American Airlines Logo
2:12 pm - 1:35 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
22h 23m2 stops Charlotte Douglas Miami
American Airlines Logo
2:35 pm - 8:57 amUVF  Castries Hewanorra-STL Lambert-St Louis
19h 22m2 stops Miami Dallas/Fort Worth
$755American Airlines
Tue, Apr 6 - Fri, Apr 16
American Airlines Logo
5:24 am - 1:35 pmSTL  Lambert-St Louis-UVF Castries Hewanorra
7h 11m1 stop Miami
American Airlines Logo
3:28 pm - 8:57 amUVF  Castries Hewanorra-STL Lambert-St Louis
18h 29m2 stops Charlotte Douglas Dallas/Fort Worth
$755American Airlines
Tue, Apr 6 - Fri, Apr 16
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 Atlanta Hartsfield-Jackson Orlando
$831Multiple Airlines
Wed, Dec 9 - Mon, Dec 14

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Air Canada flights from St. Louis to Saint Lucia

Our best Air Canada deals on St. Louis to Saint Lucia flight tickets
Air Canada
Dec 9
STL4:05 pmLambert-St Louis
22h 35m
1 stop
UVF4:40 pmCastries Hewanorra
Dec 14
UVF5:35 pmCastries Hewanorra
23h 51m
1 stop
STL3:26 pmLambert-St Louis
$608
Air Canada
Dec 9
STL4:05 pmLambert-St Louis
22h 35m
1 stop
UVF4:40 pmCastries Hewanorra
Dec 14
UVF5:35 pmCastries Hewanorra
23h 51m
1 stop
STL3:26 pmLambert-St Louis
$653

Delta flights from St. Louis to Saint Lucia

Our best Delta deals on St. Louis to Saint Lucia flight tickets
Delta
Feb 23
STL6:00 amLambert-St Louis
7h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Mar 9
UVF4:20 pmCastries Hewanorra
9h 19m
1 stop
STL11:39 pmLambert-St Louis
$751
Delta
Jan 7
STL6:00 amLambert-St Louis
7h 11m
1 stop
UVF3:11 pmCastries Hewanorra
Jan 12
UVF4:31 pmCastries Hewanorra
8h 55m
1 stop
STL11:26 pmLambert-St Louis
$787
Delta
Feb 25
STL6:00 amLambert-St Louis
7h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Mar 8
UVF4:20 pmCastries Hewanorra
9h 19m
1 stop
STL11:39 pmLambert-St Louis
$823

momondo Fare Finder

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

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Price

Cheapest round-trip

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 12/9

4:05 pm-4:40 pm

1 stop22h 35m

Castries Hewanorra

Mon 12/14

5:35 pm-3:26 pm

1 stop23h 51m

$608

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 12/9

4:05 pm-4:40 pm

1 stop22h 35m

Castries Hewanorra

Mon 12/14

5:35 pm-3:26 pm

1 stop23h 51m

$653
Quickest round-trip

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Tue 4/6

5:24 am-1:35 pm

1 stop7h 11m

Castries Hewanorra

Fri 4/16

2:35 pm-10:24 pm

1 stop8h 49m

$751

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 2/24

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Tue 3/9

4:20 pm-11:39 pm

1 stop9h 19m

$751

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 2/24

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Wed 3/3

4:25 pm-11:39 pm

1 stop9h 14m

$751

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Sun 2/28

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Tue 3/9

4:20 pm-11:39 pm

1 stop9h 19m

$751

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 12/9

12:02 pm-4:40 pm

3 stops26h 38m

Castries Hewanorra

Mon 12/14

5:35 pm-3:26 pm

1 stop23h 51m

$753

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Tue 4/6

2:12 pm-1:35 pm

2 stops22h 23m

Castries Hewanorra

Fri 4/16

2:35 pm-8:57 am

2 stops19h 22m

$755

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Tue 4/6

5:24 am-1:35 pm

1 stop7h 11m

Castries Hewanorra

Fri 4/16

3:28 pm-8:57 am

2 stops18h 29m

$755

St. LouisCastries

STL Lambert-St Louis - UVF Castries Hewanorra

STLUVF

Lambert-St Louis

Wed 12/9

4:05 pm-4:40 pm

1 stop22h 35m

Castries Hewanorra

Mon 12/14

5:35 pm-12:12 am

3 stops32h 37m

$831

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

$252

Fastest flight time

7h 00m

Direct flights

None
The best one-way flight to Saint Lucia from St. Louis in the past 72 hours is $252. The best round-trip flight deal from St. Louis to Saint Lucia found on momondo in the last 72 hours is $608.
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
8,700 reviews
Search Delta flights
American AirlinesPriceFrom $713Free CancellationRating
7.0
12,224 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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