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Cheap flights from San Antonio to Saint Lucia from $655

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 2/28. 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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Find the cheapest flights from San Antonio to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:47 pm - 3:18 pm
SAT
-
UVF
20h 31m
2 stops
American Airlines Logo
4:58 pm - 9:58 am
UVF
-
SAT
19h 00m
2 stops
$655American Airlines
Sat, Feb 28 - Sat, Mar 7
American Airlines Logo
1:09 pm - 3:18 pm
SAT
-
UVF
24h 09m
1 stop
American Airlines Logo
4:58 pm - 1:18 pm
UVF
-
SAT
22h 20m
2 stops
$666American Airlines
Sat, Feb 28 - Sat, Mar 7
American Airlines Logo
1:09 pm - 3:18 pm
SAT
-
UVF
24h 09m
1 stop
American Airlines Logo
3:48 pm - 11:59 pm
UVF
-
SAT
10h 11m
1 stop
$708American Airlines
Sat, Feb 28 - Sat, Mar 7
Delta Logo
5:20 am - 2:08 pm
SAT
-
UVF
7h 48m
1 stop
Delta Logo
3:20 pm - 9:46 am
UVF
-
SAT
19h 26m
1 stop
$710Delta
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
5:16 am - 1:35 pm
SAT
-
UVF
7h 19m
1 stop
American Airlines Logo
3:21 pm - 9:15 am
UVF
-
SAT
18h 54m
1 stop
$722American Airlines
Mon, Apr 13 - Tue, Apr 21
American Airlines Logo
5:16 am - 1:35 pm
SAT
-
UVF
7h 19m
1 stop
American Airlines Logo
2:35 pm - 2:21 pm
UVF
-
SAT
24h 46m
2 stops
$727American Airlines
Mon, Apr 13 - Wed, Apr 22
American Airlines Logo
5:16 am - 1:35 pm
SAT
-
UVF
7h 19m
1 stop
American Airlines Logo
2:35 pm - 11:02 pm
UVF
-
SAT
9h 27m
1 stop
$730American Airlines
Wed, Apr 15 - Sun, Apr 19
American Airlines Logo
5:16 am - 1:35 pm
SAT
-
UVF
7h 19m
1 stop
American Airlines Logo
3:28 pm - 8:47 pm
UVF
-
SAT
30h 19m
1 stop
$735American Airlines
Mon, Apr 13 - Wed, Apr 22
American Airlines Logo
5:42 pm - 1:35 pm
SAT
-
UVF
18h 53m
2 stops
American Airlines Logo
3:28 pm - 8:47 pm
UVF
-
SAT
30h 19m
1 stop
$739American Airlines
Sun, Apr 12 - Wed, Apr 22
Air Canada Logo
5:30 pm - 3:20 pm
SAT
-
UVF
20h 50m
2 stops
Air Canada Logo
4:15 pm - 10:53 pm
UVF
-
SAT
31h 38m
2 stops
$745Air Canada
Tue, Apr 14 - Mon, Apr 20

American Airlines flights from San Antonio to Saint Lucia

Our best American Airlines deals on San Antonio to Saint Lucia flight tickets
American Airlines
Feb 28
SAT4:47 pmSan Antonio
20h 31m
2 stops
UVF3:18 pmCastries Hewanorra
Mar 7
UVF4:58 pmCastries Hewanorra
19h 00m
2 stops
SAT9:58 amSan Antonio
$655
American Airlines
Feb 28
SAT1:09 pmSan Antonio
24h 09m
1 stop
UVF3:18 pmCastries Hewanorra
Mar 7
UVF4:58 pmCastries Hewanorra
22h 20m
2 stops
SAT1:18 pmSan Antonio
$666
American Airlines
Feb 28
SAT1:09 pmSan Antonio
24h 09m
1 stop
UVF3:18 pmCastries Hewanorra
Mar 7
UVF3:48 pmCastries Hewanorra
10h 11m
1 stop
SAT11:59 pmSan Antonio
$708

Delta flights from San Antonio to Saint Lucia

Our best Delta deals on San Antonio to Saint Lucia flight tickets
Delta
Apr 15
SAT5:20 amSan Antonio
7h 48m
1 stop
UVF2:08 pmCastries Hewanorra
Apr 22
UVF3:20 pmCastries Hewanorra
19h 26m
1 stop
SAT9:46 amSan Antonio
$710
Delta
Apr 12
SAT5:10 amSan Antonio
7h 48m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 16
UVF3:20 pmCastries Hewanorra
19h 26m
1 stop
SAT9:46 amSan Antonio
$795
Delta
Apr 12
SAT5:10 amSan Antonio
7h 48m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 21
UVF3:20 pmCastries Hewanorra
10h 14m
1 stop
SAT12:34 amSan Antonio
$1,072

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 January 15, 2026.
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

Sat 2/28

4:47 pm-3:18 pm

2 stops20h 31m

Castries Hewanorra

Sat 3/7

4:58 pm-9:58 am

2 stops19h 00m

$655

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 2/28

1:09 pm-3:18 pm

1 stop24h 09m

Castries Hewanorra

Sat 3/7

4:58 pm-1:18 pm

2 stops22h 20m

$666

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 2/28

1:09 pm-3:18 pm

1 stop24h 09m

Castries Hewanorra

Sat 3/7

3:48 pm-11:59 pm

1 stop10h 11m

$708

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 4/15

5:20 am-2:08 pm

1 stop7h 48m

Castries Hewanorra

Wed 4/22

3:20 pm-9:46 am

1 stop19h 26m

$710

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 4/13

5:16 am-1:35 pm

1 stop7h 19m

Castries Hewanorra

Tue 4/21

3:21 pm-9:15 am

1 stop18h 54m

$722

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 4/13

5:16 am-1:35 pm

1 stop7h 19m

Castries Hewanorra

Wed 4/22

2:35 pm-2:21 pm

2 stops24h 46m

$727

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 4/15

5:16 am-1:35 pm

1 stop7h 19m

Castries Hewanorra

Sun 4/19

2:35 pm-11:02 pm

1 stop9h 27m

$730

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 4/13

5:16 am-1:35 pm

1 stop7h 19m

Castries Hewanorra

Wed 4/22

3:28 pm-8:47 pm

1 stop30h 19m

$735

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 4/12

5:42 pm-1:35 pm

2 stops18h 53m

Castries Hewanorra

Wed 4/22

3:28 pm-8:47 pm

1 stop30h 19m

$739

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 4/14

5:30 pm-3:20 pm

2 stops20h 50m

Castries Hewanorra

Mon 4/20

4:15 pm-10:53 pm

2 stops31h 38m

$745

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $596Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
DeltaPriceFrom $606Free CancellationRating
7.9
8,051 reviews
Search Delta flights

  • How do I get Price Alerts for flights from San Antonio to Saint Lucia?

    Price Alerts will notify you by email when the price for flights to Saint Lucia from San Antonio decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from San Antonio to Saint Lucia with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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Sat 2/14
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