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Cheap flights from San Antonio to Saint Lucia from $315

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Air Canada Logo
8:30 am - 2:10 pm
SAT
-
UVF
28h 40m
1 stop
Air Canada Logo
3:05 pm - 9:18 pm
UVF
-
SAT
31h 13m
1 stop
$634Air Canada
Thu, Jun 4 - Tue, Jun 9
Air Canada Logo
9:00 am - 2:20 pm
SAT
-
UVF
28h 20m
1 stop
Air Canada Logo
3:05 pm - 9:13 pm
UVF
-
SAT
31h 08m
1 stop
$717Air Canada
Thu, Jul 30 - Tue, Aug 11
Delta Logo
5:20 am - 2:12 pm
SAT
-
UVF
7h 52m
1 stop
Delta Logo
3:33 pm - 12:24 am
UVF
-
SAT
9h 51m
1 stop
$734Delta
Sun, Aug 2 - Thu, Aug 6
Air Canada Logo
8:30 am - 2:10 pm
SAT
-
UVF
28h 40m
1 stop
Air Canada Logo
3:05 pm - 8:54 pm
UVF
-
SAT
30h 49m
2 stops
$757Air Canada
Thu, Jun 4 - Tue, Jun 9
Delta Logo
5:20 am - 2:12 pm
SAT
-
UVF
7h 52m
1 stop
Delta Logo
3:28 pm - 12:15 am
UVF
-
SAT
9h 47m
1 stop
$764Delta
Sun, Aug 2 - Wed, Aug 12
Delta Logo
5:20 am - 2:12 pm
SAT
-
UVF
7h 52m
1 stop
Delta Logo
3:33 pm - 12:24 am
UVF
-
SAT
9h 51m
1 stop
$766Delta
Thu, Jul 30 - Thu, Aug 6
Air Canada Logo
5:18 pm - 2:10 pm
SAT
-
UVF
43h 52m
2 stops
Air Canada Logo
3:15 pm - 9:13 pm
UVF
-
SAT
30h 58m
1 stop
$786Air Canada
Wed, Jun 10 - Tue, Jun 23
Delta Logo
5:20 am - 2:12 pm
SAT
-
UVF
7h 52m
1 stop
Delta Logo
3:28 pm - 9:39 am
UVF
-
SAT
19h 11m
1 stop
$796Delta
Thu, Jul 30 - Wed, Aug 12
American Airlines Logo
6:04 pm - 1:25 pm
SAT
-
UVF
18h 21m
2 stops
American Airlines Logo
2:20 pm - 9:56 pm
UVF
-
SAT
8h 36m
1 stop
$803American Airlines
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
6:04 pm - 3:30 pm
SAT
-
UVF
20h 26m
1 stop
American Airlines Logo
2:20 pm - 9:56 pm
UVF
-
SAT
8h 36m
1 stop
$814American Airlines
Thu, Oct 22 - Mon, Oct 26

Delta flights from San Antonio to Saint Lucia

Our best Delta deals on San Antonio to Saint Lucia flight tickets
Delta
Aug 2
SAT5:20 amSan Antonio
7h 52m
1 stop
UVF2:12 pmCastries Hewanorra
Aug 6
UVF3:33 pmCastries Hewanorra
9h 51m
1 stop
SAT12:24 amSan Antonio
$734
Delta
Aug 2
SAT5:20 amSan Antonio
7h 52m
1 stop
UVF2:12 pmCastries Hewanorra
Aug 12
UVF3:28 pmCastries Hewanorra
9h 47m
1 stop
SAT12:15 amSan Antonio
$764
Delta
Jul 30
SAT5:20 amSan Antonio
7h 52m
1 stop
UVF2:12 pmCastries Hewanorra
Aug 6
UVF3:33 pmCastries Hewanorra
9h 51m
1 stop
SAT12:24 amSan Antonio
$766

Air Canada flights from San Antonio to Saint Lucia

Our best Air Canada deals on San Antonio to Saint Lucia flight tickets
Air Canada
Jun 4
SAT8:30 amSan Antonio
28h 40m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 9
UVF3:05 pmCastries Hewanorra
31h 13m
1 stop
SAT9:18 pmSan Antonio
$634
Air Canada
Jul 30
SAT9:00 amSan Antonio
28h 20m
1 stop
UVF2:20 pmCastries Hewanorra
Aug 11
UVF3:05 pmCastries Hewanorra
31h 08m
1 stop
SAT9:13 pmSan Antonio
$717
Air Canada
Jun 4
SAT8:30 amSan Antonio
28h 40m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 9
UVF3:05 pmCastries Hewanorra
30h 49m
2 stops
SAT8:54 pmSan Antonio
$757

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 April 30, 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

Thu 6/4

8:30 am-2:10 pm

1 stop28h 40m

Castries Hewanorra

Tue 6/9

3:05 pm-9:18 pm

1 stop31h 13m

$634

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/30

9:00 am-2:20 pm

1 stop28h 20m

Castries Hewanorra

Tue 8/11

3:05 pm-9:13 pm

1 stop31h 08m

$717

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 8/2

5:20 am-2:12 pm

1 stop7h 52m

Castries Hewanorra

Thu 8/6

3:33 pm-12:24 am

1 stop9h 51m

$734

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 6/4

8:30 am-2:10 pm

1 stop28h 40m

Castries Hewanorra

Tue 6/9

3:05 pm-8:54 pm

2 stops30h 49m

$757
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 8/2

5:20 am-2:12 pm

1 stop7h 52m

Castries Hewanorra

Wed 8/12

3:28 pm-12:15 am

1 stop9h 47m

$764

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/30

5:20 am-2:12 pm

1 stop7h 52m

Castries Hewanorra

Thu 8/6

3:33 pm-12:24 am

1 stop9h 51m

$766

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 6/10

5:18 pm-2:10 pm

2 stops43h 52m

Castries Hewanorra

Tue 6/23

3:15 pm-9:13 pm

1 stop30h 58m

$786

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/30

5:20 am-2:12 pm

1 stop7h 52m

Castries Hewanorra

Wed 8/12

3:28 pm-9:39 am

1 stop19h 11m

$796

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 10/22

6:04 pm-1:25 pm

2 stops18h 21m

Castries Hewanorra

Mon 10/26

2:20 pm-9:56 pm

1 stop8h 36m

$803

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 10/22

6:04 pm-3:30 pm

1 stop20h 26m

Castries Hewanorra

Mon 10/26

2:20 pm-9:56 pm

1 stop8h 36m

$814

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 month to fly to Saint Lucia?

The month of May is, on average, the cheapest month to fly to Saint Lucia from San Antonio, with most prices found around $0. If you aren’t able to travel to Saint Lucia during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $436.

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 48m

Direct flights

None
The fastest flight from San Antonio to Saint Lucia takes 7h 48m
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

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
DeltaPriceFrom $436Free CancellationRating
7.9
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $591Free CancellationRating
7.1
11,681 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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