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Cheap flights from San Antonio to Saint Lucia from $654

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 1/15. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:10 am - 4:02 pmSAT-UVF
8h 52m1 stop
American Airlines Logo
2:46 pm - 11:59 pmUVF-SAT
11h 13m1 stop
$654American Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
American Airlines Logo
7:00 pm - 4:02 pmSAT-UVF
19h 02m2 stops
American Airlines Logo
4:06 pm - 8:22 amUVF-SAT
18h 16m2 stops
$659American Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
American Airlines Logo
5:20 am - 4:00 pmSAT-UVF
8h 40m1 stop
American Airlines Logo
4:25 pm - 9:24 amUVF-SAT
18h 59m1 stop
$701American Airlines
Find Deal
Mon, Feb 23 - Thu, Feb 26
American Airlines Logo
5:20 am - 2:50 pmSAT-UVF
7h 30m1 stop
American Airlines Logo
4:25 pm - 12:50 pmUVF-SAT
22h 25m2 stops
$706American Airlines
Find Deal
Mon, Feb 23 - Thu, Feb 26
American Airlines Logo
6:25 pm - 2:50 pmSAT-UVF
18h 25m2 stops
American Airlines Logo
5:00 pm - 8:22 amUVF-SAT
17h 22m2 stops
$722American Airlines
Find Deal
Mon, Feb 23 - Thu, Feb 26
American Airlines Logo
7:33 pm - 1:45 pmSAT-UVF
17h 12m2 stops
American Airlines Logo
4:15 pm - 7:51 pmUVF-SAT
28h 36m1 stop
$780American Airlines
Find Deal
Mon, May 25 - Fri, May 29
American Airlines Logo
3:50 pm - 1:45 pmSAT-UVF
20h 55m2 stops
American Airlines Logo
3:30 pm - 12:53 pmUVF-SAT
22h 23m2 stops
$810American Airlines
Find Deal
Mon, May 25 - Fri, May 29
American Airlines Logo
8:35 am - 1:35 pmSAT-UVF
28h 00m1 stop
American Airlines Logo
4:15 pm - 7:51 pmUVF-SAT
28h 36m1 stop
$876American Airlines
Find Deal
Mon, May 25 - Fri, May 29
American Airlines Logo
5:41 pm - 2:18 pmSAT-UVF
19h 37m2 stops
American Airlines Logo
2:57 pm - 11:27 pmUVF-SAT
9h 30m1 stop
$919American Airlines
Find Deal
Sun, Mar 15 - Fri, Mar 20
American Airlines Logo
3:08 pm - 2:18 pmSAT-UVF
21h 10m2 stops
American Airlines Logo
2:57 pm - 12:50 pmUVF-SAT
22h 53m2 stops
$945American Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14

American Airlines flights from San Antonio to Saint Lucia

Our best American Airlines deals on San Antonio to Saint Lucia flight tickets
American Airlines
Jan 15
SAT5:10 amSan Antonio
8h 52m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 22
UVF2:46 pmCastries Hewanorra
11h 13m
1 stop
SAT11:59 pmSan Antonio
$654
Find similar
American Airlines
Jan 15
SAT7:00 pmSan Antonio
19h 02m
2 stops
UVF4:02 pmCastries Hewanorra
Jan 22
UVF4:06 pmCastries Hewanorra
18h 16m
2 stops
SAT8:22 amSan Antonio
$659
Find similar
American Airlines
Feb 23
SAT5:20 amSan Antonio
8h 40m
1 stop
UVF4:00 pmCastries Hewanorra
Feb 26
UVF4:25 pmCastries Hewanorra
18h 59m
1 stop
SAT9:24 amSan Antonio
$701
Find similar

Delta flights from San Antonio to Saint Lucia

Our best Delta deals on San Antonio to Saint Lucia flight tickets
Delta
Dec 21
SAT5:10 amSan Antonio
8h 20m
1 stop
UVF3:30 pmCastries Hewanorra
Dec 26
UVF4:50 pmCastries Hewanorra
9h 48m
1 stop
SAT12:38 amSan Antonio
$1,387
Find similar
Delta
May 25
SAT5:30 amSan Antonio
7h 38m
1 stop
UVF2:08 pmCastries Hewanorra
May 29
UVF3:25 pmCastries Hewanorra
9h 49m
1 stop
SAT12:14 amSan Antonio
$3,971
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 December 3, 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

Thu 1/15

5:10 am-4:02 pm

1 stop8h 52m

Castries Hewanorra

Thu 1/22

2:46 pm-11:59 pm

1 stop11h 13m

$654

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 1/15

7:00 pm-4:02 pm

2 stops19h 02m

Castries Hewanorra

Thu 1/22

4:06 pm-8:22 am

2 stops18h 16m

$659

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 2/23

5:20 am-4:00 pm

1 stop8h 40m

Castries Hewanorra

Thu 2/26

4:25 pm-9:24 am

1 stop18h 59m

$701

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 2/23

5:20 am-2:50 pm

1 stop7h 30m

Castries Hewanorra

Thu 2/26

4:25 pm-12:50 pm

2 stops22h 25m

$706

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 2/23

6:25 pm-2:50 pm

2 stops18h 25m

Castries Hewanorra

Thu 2/26

5:00 pm-8:22 am

2 stops17h 22m

$722

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 5/25

7:33 pm-1:45 pm

2 stops17h 12m

Castries Hewanorra

Fri 5/29

4:15 pm-7:51 pm

1 stop28h 36m

$780

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 5/25

3:50 pm-1:45 pm

2 stops20h 55m

Castries Hewanorra

Fri 5/29

3:30 pm-12:53 pm

2 stops22h 23m

$810

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 5/25

8:35 am-1:35 pm

1 stop28h 00m

Castries Hewanorra

Fri 5/29

4:15 pm-7:51 pm

1 stop28h 36m

$876

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 3/15

5:41 pm-2:18 pm

2 stops19h 37m

Castries Hewanorra

Fri 3/20

2:57 pm-11:27 pm

1 stop9h 30m

$919

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 3/7

3:08 pm-2:18 pm

2 stops21h 10m

Castries Hewanorra

Sat 3/14

2:57 pm-12:50 pm

2 stops22h 53m

$945

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

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from San Antonio to Saint Lucia takes 7h 35m
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 $584Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
DeltaPriceFrom $606Free CancellationRating
7.9
8,011 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.

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