Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Saint Lucia from $596

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Saint Lucia departing on 11/16. 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 San Antonio to Saint Lucia

Cheap round-trip flights

American Airlines Logo
5:52 pm - 1:19 pmSAT-UVF
17h 27m2 stops
American Airlines Logo
4:52 pm - 12:03 pmUVF-SAT
21h 11m2 stops
$596American Airlines
Find Deal
Sun, Nov 16 - Fri, Nov 21
American Airlines Logo
6:05 pm - 3:52 pmSAT-UVF
19h 47m2 stops
American Airlines Logo
4:52 pm - 12:03 pmUVF-SAT
21h 11m2 stops
$621American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
5:30 am - 3:00 pmSAT-UVF
8h 30m1 stop
American Airlines Logo
2:40 pm - 9:21 amUVF-SAT
19h 41m1 stop
$629American Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
American Airlines Logo
5:30 am - 3:00 pmSAT-UVF
8h 30m1 stop
American Airlines Logo
2:56 pm - 9:19 amUVF-SAT
19h 23m2 stops
$634American Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
American Airlines Logo
5:23 am - 3:52 pmSAT-UVF
8h 29m1 stop
American Airlines Logo
4:52 pm - 11:59 pmUVF-SAT
9h 07m1 stop
$637American Airlines
Find Deal
Sun, Nov 16 - Fri, Nov 21
American Airlines Logo
12:55 pm - 1:19 pmSAT-UVF
22h 24m2 stops
American Airlines Logo
4:52 pm - 11:08 amUVF-SAT
20h 16m2 stops
$667American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
6:20 pm - 1:19 pmSAT-UVF
16h 59m1 stop
American Airlines Logo
4:52 pm - 11:59 pmUVF-SAT
9h 07m1 stop
$700American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
6:20 pm - 1:19 pmSAT-UVF
16h 59m1 stop
American Airlines Logo
4:52 pm - 11:59 pmUVF-SAT
9h 07m1 stop
$714American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
5:52 pm - 1:19 pmSAT-UVF
17h 27m2 stops
American Airlines Logo
4:04 pm - 12:03 pmUVF-SAT
21h 59m2 stops
$949American Airlines
Find Deal
Sun, Nov 23 - Sun, Nov 30
American Airlines Logo
5:23 am - 3:52 pmSAT-UVF
8h 29m1 stop
American Airlines Logo
4:04 pm - 12:03 pmUVF-SAT
21h 59m2 stops
$1,147American Airlines
Find Deal
Sun, Nov 23 - Sun, Nov 30

American Airlines flights from San Antonio to Saint Lucia

Our best American Airlines deals on San Antonio to Saint Lucia flight tickets
American Airlines
Nov 16
SAT5:23 amSan Antonio
8h 29m
1 stop
UVF3:52 pmCastries Hewanorra
Nov 21
UVF4:52 pmCastries Hewanorra
18h 54m
2 stops
SAT9:46 amSan Antonio
$596
Find similar
American Airlines
Nov 15
SAT6:05 pmSan Antonio
19h 47m
2 stops
UVF3:52 pmCastries Hewanorra
Nov 22
UVF4:52 pmCastries Hewanorra
21h 11m
2 stops
SAT12:03 pmSan Antonio
$621
Find similar
American Airlines
Oct 10
SAT5:30 amSan Antonio
8h 30m
1 stop
UVF3:00 pmCastries Hewanorra
Oct 17
UVF2:40 pmCastries Hewanorra
19h 41m
1 stop
SAT9:21 amSan Antonio
$629
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio 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 August 27, 2025.
Use the filters below to find and compare flights from San Antonio to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 11/16

5:52 pm-1:19 pm

2 stops17h 27m

Castries Hewanorra

Fri 11/21

4:52 pm-12:03 pm

2 stops21h 11m

$596

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

6:05 pm-3:52 pm

2 stops19h 47m

Castries Hewanorra

Sat 11/22

4:52 pm-12:03 pm

2 stops21h 11m

$621

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 10/10

5:30 am-3:00 pm

1 stop8h 30m

Castries Hewanorra

Fri 10/17

2:40 pm-9:21 am

1 stop19h 41m

$629

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 10/10

5:30 am-3:00 pm

1 stop8h 30m

Castries Hewanorra

Fri 10/17

2:56 pm-9:19 am

2 stops19h 23m

$634

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 11/16

5:23 am-3:52 pm

1 stop8h 29m

Castries Hewanorra

Fri 11/21

4:52 pm-11:59 pm

1 stop9h 07m

$637

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

12:55 pm-1:19 pm

2 stops22h 24m

Castries Hewanorra

Sat 11/22

4:52 pm-11:08 am

2 stops20h 16m

$667

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

6:20 pm-1:19 pm

1 stop16h 59m

Castries Hewanorra

Sat 11/22

4:52 pm-11:59 pm

1 stop9h 07m

$700

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

6:20 pm-1:19 pm

1 stop16h 59m

Castries Hewanorra

Sat 11/22

4:52 pm-11:59 pm

1 stop9h 07m

$714

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 11/23

5:52 pm-1:19 pm

2 stops17h 27m

Castries Hewanorra

Sun 11/30

4:04 pm-12:03 pm

2 stops21h 59m

$949

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 11/23

5:23 am-3:52 pm

1 stop8h 29m

Castries Hewanorra

Sun 11/30

4:04 pm-12:03 pm

2 stops21h 59m

$1,147

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 San Antonio 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 Sunday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $731. On the other hand, Thursday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,131.

Cheap San Antonio to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Saint Lucia

Direct flights

None
There are no direct flights from San Antonio to Saint Lucia. There are no popular flight routes from San Antonio to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to Saint Lucia?

    Prices for flights from San Antonio Airport to Saint Lucia are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Antonio Airport to Saint Lucia?

  • How old do you have to be to fly from San Antonio 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 San Antonio 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 San Antonio to Saint Lucia

Compare and see reviews for airlines that fly from San Antonio to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $574Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $604Free CancellationRating
7.9
7,977 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Saint Lucia?

Finding the right flight to Saint Lucia from San Antonio 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 San Antonio to Saint Lucia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Antonio to Saint Lucia flights to just show those with flexible booking policies.

How can momondo help me find flights from San Antonio to Saint Lucia?

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

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

If you are not ready to book a flight from San Antonio to Saint Lucia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Lucia and let you know when they change.

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
Mon 9/1
Mon 9/8
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 $441