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Cheap flights from San Antonio to Saint Lucia from $344

This is the cheapest one-way 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 5/17. 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.
Delta Logo
5:25 am - 2:05 pm
SAT
-
UVF
7h 40m
1 stop
Delta Logo
3:25 pm - 9:52 am
UVF
-
SAT
19h 27m
1 stop
$708Delta
Sun, May 17 - Thu, May 28
American Airlines Logo
5:47 pm - 12:08 pm
SAT
-
UVF
17h 21m
2 stops
American Airlines Logo
3:03 pm - 10:09 am
UVF
-
SAT
20h 06m
2 stops
$728American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:01 am - 2:00 pm
SAT
-
UVF
7h 59m
1 stop
American Airlines Logo
3:14 pm - 9:02 am
UVF
-
SAT
18h 48m
1 stop
$743American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:47 pm - 12:08 pm
SAT
-
UVF
17h 21m
2 stops
American Airlines Logo
3:03 pm - 10:09 am
UVF
-
SAT
20h 06m
2 stops
$748American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:01 am - 2:00 pm
SAT
-
UVF
7h 59m
1 stop
American Airlines Logo
3:15 pm - 11:38 am
UVF
-
SAT
21h 23m
2 stops
$758American Airlines
Wed, Jul 29 - Sun, Aug 16
Delta Logo
5:25 am - 2:05 pm
SAT
-
UVF
7h 40m
1 stop
Delta Logo
3:25 pm - 12:44 am
UVF
-
SAT
10h 19m
1 stop
$771Delta
Wed, May 20 - Wed, May 27
American Airlines Logo
5:01 am - 2:00 pm
SAT
-
UVF
7h 59m
1 stop
American Airlines Logo
3:03 pm - 11:59 pm
UVF
-
SAT
9h 56m
1 stop
$776American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
8:31 pm - 2:26 pm
SAT
-
UVF
16h 55m
2 stops
American Airlines Logo
2:45 pm - 11:15 pm
UVF
-
SAT
9h 30m
1 stop
$781American Airlines
Fri, Apr 24 - Fri, May 1
American Airlines Logo
5:25 am - 1:45 pm
SAT
-
UVF
7h 20m
1 stop
American Airlines Logo
2:45 pm - 11:15 pm
UVF
-
SAT
9h 30m
1 stop
$788American Airlines
Wed, May 13 - Tue, May 19
American Airlines Logo
5:42 pm - 2:26 pm
SAT
-
UVF
19h 44m
1 stop
American Airlines Logo
2:45 pm - 11:15 pm
UVF
-
SAT
9h 30m
1 stop
$790American Airlines
Fri, Apr 24 - Fri, May 1

Air Canada flights from San Antonio to Saint Lucia

Our best Air Canada deals on San Antonio to Saint Lucia flight tickets
Air Canada
May 28
SAT8:30 amSan Antonio
28h 35m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
42h 22m
2 stops
SAT8:27 amSan Antonio
$994
Air Canada
May 27
SAT5:18 pmSan Antonio
43h 47m
2 stops
UVF2:05 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
42h 22m
2 stops
SAT8:27 amSan Antonio
$999
Air Canada
May 31
SAT7:35 pmSan Antonio
41h 35m
2 stops
UVF2:10 pmCastries Hewanorra
Jun 5
UVF3:05 pmCastries Hewanorra
42h 22m
2 stops
SAT8:27 amSan Antonio
$1,070

Delta flights from San Antonio to Saint Lucia

Our best Delta deals on San Antonio to Saint Lucia flight tickets
Delta
May 17
SAT5:25 amSan Antonio
7h 40m
1 stop
UVF2:05 pmCastries Hewanorra
May 28
UVF3:25 pmCastries Hewanorra
19h 27m
1 stop
SAT9:52 amSan Antonio
$708
Delta
May 20
SAT5:25 amSan Antonio
7h 40m
1 stop
UVF2:05 pmCastries Hewanorra
May 28
UVF3:25 pmCastries Hewanorra
10h 19m
1 stop
SAT12:44 amSan Antonio
$771
Delta
May 20
SAT5:25 amSan Antonio
7h 40m
1 stop
UVF2:05 pmCastries Hewanorra
May 27
UVF3:25 pmCastries Hewanorra
10h 19m
1 stop
SAT12:44 amSan Antonio
$791

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 March 14, 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

Sun 5/17

5:25 am-2:05 pm

1 stop7h 40m

Castries Hewanorra

Thu 5/28

3:25 pm-9:52 am

1 stop19h 27m

$708

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:47 pm-12:08 pm

2 stops17h 21m

Castries Hewanorra

Wed 7/8

3:03 pm-10:09 am

2 stops20h 06m

$728

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:01 am-2:00 pm

1 stop7h 59m

Castries Hewanorra

Wed 7/8

3:14 pm-9:02 am

1 stop18h 48m

$743

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:47 pm-12:08 pm

2 stops17h 21m

Castries Hewanorra

Wed 7/8

3:03 pm-10:09 am

2 stops20h 06m

$748

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 7/29

5:01 am-2:00 pm

1 stop7h 59m

Castries Hewanorra

Sun 8/16

3:15 pm-11:38 am

2 stops21h 23m

$758

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/20

5:25 am-2:05 pm

1 stop7h 40m

Castries Hewanorra

Wed 5/27

3:25 pm-12:44 am

1 stop10h 19m

$771

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:01 am-2:00 pm

1 stop7h 59m

Castries Hewanorra

Wed 7/8

3:03 pm-11:59 pm

1 stop9h 56m

$776

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 4/24

8:31 pm-2:26 pm

2 stops16h 55m

Castries Hewanorra

Fri 5/1

2:45 pm-11:15 pm

1 stop9h 30m

$781
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/13

5:25 am-1:45 pm

1 stop7h 20m

Castries Hewanorra

Tue 5/19

2:45 pm-11:15 pm

1 stop9h 30m

$788

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 4/24

5:42 pm-2:26 pm

1 stop19h 44m

Castries Hewanorra

Fri 5/1

2:45 pm-11:15 pm

1 stop9h 30m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from San Antonio to Saint Lucia?

Delta and American Airlines are the most popular carriers operating from San Antonio to Saint Lucia

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
DeltaPriceFrom $606Free CancellationRating
7.9
8,291 reviews
Search Delta flights
American AirlinesPriceFrom $616Free CancellationRating
7.1
11,464 reviews
Search American Airlines 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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