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Cheap flights from San Antonio to Saint Lucia from $776

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 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:14 am - 2:02 pm
SAT
-
UVF
7h 48m
1 stop
American Airlines Logo
3:02 pm - 10:36 am
UVF
-
SAT
20h 34m
2 stops
$776American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
12:15 pm - 2:02 pm
SAT
-
UVF
24h 47m
2 stops
American Airlines Logo
3:02 pm - 8:52 am
UVF
-
SAT
18h 50m
2 stops
$776American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
5:14 am - 2:02 pm
SAT
-
UVF
7h 48m
1 stop
American Airlines Logo
3:02 pm - 3:37 pm
UVF
-
SAT
25h 35m
2 stops
$781American Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
5:14 am - 2:02 pm
SAT
-
UVF
7h 48m
1 stop
American Airlines Logo
3:02 pm - 4:39 pm
UVF
-
SAT
26h 37m
2 stops
$781American Airlines
Wed, Sep 9 - Wed, Sep 16
Delta Logo
5:30 am - 2:12 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:32 pm - 12:08 am
UVF
-
SAT
9h 36m
1 stop
$788Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
5:30 am - 2:12 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:32 pm - 12:08 am
UVF
-
SAT
9h 36m
1 stop
$788Delta
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
5:10 am - 3:03 pm
SAT
-
UVF
8h 53m
1 stop
American Airlines Logo
4:04 pm - 9:56 am
UVF
-
SAT
18h 52m
2 stops
$804American Airlines
Wed, Oct 14 - Sun, Oct 18
Delta Logo
5:30 am - 2:12 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:32 pm - 12:08 am
UVF
-
SAT
9h 36m
1 stop
$873Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
5:30 am - 2:12 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:32 pm - 12:33 am
UVF
-
SAT
10h 01m
1 stop
$959Delta
Wed, Oct 14 - Sun, Oct 18
WestJet Logo
10:45 am - 2:50 pm
SAT
-
UVF
26h 05m
2 stops
WestJet Logo
3:40 pm - 1:22 pm
UVF
-
SAT
23h 42m
2 stops
$3,917WestJet
Mon, Jan 4 - Tue, Jan 12

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Delta flights from San Antonio to Saint Lucia

Our best Delta deals on San Antonio to Saint Lucia flight tickets
Delta
Sep 9
SAT5:30 amSan Antonio
7h 42m
1 stop
UVF2:12 pmCastries Hewanorra
Sep 16
UVF3:32 pmCastries Hewanorra
9h 36m
1 stop
SAT12:08 amSan Antonio
$788
Delta
Sep 9
SAT5:30 amSan Antonio
7h 42m
1 stop
UVF2:12 pmCastries Hewanorra
Sep 16
UVF3:32 pmCastries Hewanorra
9h 36m
1 stop
SAT12:08 amSan Antonio
$873
Delta
Oct 14
SAT5:30 amSan Antonio
7h 42m
1 stop
UVF2:12 pmCastries Hewanorra
Oct 18
UVF3:32 pmCastries Hewanorra
10h 01m
1 stop
SAT12:33 amSan Antonio
$959

American Airlines flights from San Antonio to Saint Lucia

Our best American Airlines deals on San Antonio to Saint Lucia flight tickets
American Airlines
Sep 15
SAT5:14 amSan Antonio
7h 48m
1 stop
UVF2:02 pmCastries Hewanorra
Sep 22
UVF3:02 pmCastries Hewanorra
20h 34m
2 stops
SAT10:36 amSan Antonio
$776
American Airlines
Sep 9
SAT5:14 amSan Antonio
7h 48m
1 stop
UVF2:02 pmCastries Hewanorra
Sep 16
UVF3:02 pmCastries Hewanorra
25h 35m
2 stops
SAT3:37 pmSan Antonio
$781
American Airlines
Oct 14
SAT5:10 amSan Antonio
8h 53m
1 stop
UVF3:03 pmCastries Hewanorra
Oct 18
UVF4:04 pmCastries Hewanorra
18h 52m
2 stops
SAT9:56 amSan Antonio
$804

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 1, 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

Cheapest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 9/15

5:14 am-2:02 pm

1 stop7h 48m

Castries Hewanorra

Tue 9/22

3:02 pm-10:36 am

2 stops20h 34m

$776

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 9/15

12:15 pm-2:02 pm

2 stops24h 47m

Castries Hewanorra

Tue 9/22

3:02 pm-8:52 am

2 stops18h 50m

$776

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 9/9

5:14 am-2:02 pm

1 stop7h 48m

Castries Hewanorra

Wed 9/16

3:02 pm-3:37 pm

2 stops25h 35m

$781

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 9/9

5:14 am-2:02 pm

1 stop7h 48m

Castries Hewanorra

Wed 9/16

3:02 pm-4:39 pm

2 stops26h 37m

$781
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 9/9

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Wed 9/16

3:32 pm-12:08 am

1 stop9h 36m

$788

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 9/15

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Tue 9/22

3:32 pm-12:08 am

1 stop9h 36m

$788

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 10/14

5:10 am-3:03 pm

1 stop8h 53m

Castries Hewanorra

Sun 10/18

4:04 pm-9:56 am

2 stops18h 52m

$804

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 9/9

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Wed 9/16

3:32 pm-12:08 am

1 stop9h 36m

$873

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 10/14

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

Sun 10/18

3:32 pm-12:33 am

1 stop10h 01m

$959

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 1/4

10:45 am-2:50 pm

2 stops26h 05m

Castries Hewanorra

Tue 1/12

3:40 pm-1:22 pm

2 stops23h 42m

$3,917

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 42m

Direct flights

None
The fastest flight from San Antonio to Saint Lucia takes 7h 42m
There are no direct flights from San Antonio to Saint Lucia. There are no popular flight routes from San Antonio to Saint Lucia.
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Frequently asked questions about flying from San Antonio to Saint Lucia

  • 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 $591Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights
DeltaPriceFrom $641Free CancellationRating
7.8
8,497 reviews
Search Delta flights

Frequently asked questions about flying from San Antonio to Saint Lucia

  • 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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