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Cheap flights from San Antonio to Castries from $431

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 Castries departing on 7/16. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:25 am - 1:35 pm
SAT
-
UVF
7h 10m
1 stop
American Airlines Logo
3:13 pm - 9:15 am
UVF
-
SAT
19h 02m
1 stop
$612American Airlines
Wed, May 6 - Tue, May 12
American Airlines Logo
5:25 am - 1:35 pm
SAT
-
UVF
7h 10m
1 stop
American Airlines Logo
3:13 pm - 9:36 am
UVF
-
SAT
19h 23m
2 stops
$617American Airlines
Wed, May 6 - Tue, May 12
Delta Logo
5:15 am - 2:08 pm
SAT
-
UVF
7h 53m
1 stop
Delta Logo
3:25 pm - 12:40 am
UVF
-
SAT
10h 15m
1 stop
$637Delta
Fri, May 8 - Wed, May 13
American Airlines Logo
5:45 pm - 2:23 pm
SAT
-
UVF
19h 38m
2 stops
American Airlines Logo
3:28 pm - 8:23 am
UVF
-
SAT
17h 55m
2 stops
$642American Airlines
Thu, May 7 - Wed, May 13
Delta Logo
5:30 am - 3:05 pm
SAT
-
UVF
7h 35m
1 stop
Delta Logo
3:18 pm - 12:38 am
UVF
-
SAT
10h 20m
1 stop
$660Delta
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
5:00 am - 2:48 pm
SAT
-
UVF
7h 48m
1 stop
American Airlines Logo
3:58 pm - 9:33 am
UVF
-
SAT
18h 35m
2 stops
$665American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
5:55 pm - 3:04 pm
SAT
-
UVF
20h 09m
2 stops
American Airlines Logo
2:58 pm - 11:59 pm
UVF
-
SAT
10h 01m
1 stop
$701American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:00 am - 2:58 pm
SAT
-
UVF
8h 58m
1 stop
American Airlines Logo
2:48 pm - 11:59 pm
UVF
-
SAT
10h 11m
1 stop
$704American Airlines
Mon, Mar 23 - Wed, Mar 25
American Airlines Logo
3:08 pm - 1:48 pm
SAT
-
UVF
21h 40m
2 stops
American Airlines Logo
3:58 pm - 9:33 am
UVF
-
SAT
18h 35m
2 stops
$709American Airlines
Mon, Mar 23 - Wed, Mar 25
American Airlines Logo
5:55 pm - 3:04 pm
SAT
-
UVF
20h 09m
2 stops
American Airlines Logo
3:10 pm - 9:10 am
UVF
-
SAT
19h 00m
1 stop
$712American Airlines
Fri, Jul 3 - Wed, Jul 8

American Airlines flights from San Antonio to Castries

Our best American Airlines deals on San Antonio to Castries flight tickets
American Airlines
May 6
SAT5:25 amSan Antonio
7h 10m
1 stop
UVF1:35 pmCastries Hewanorra
May 12
UVF3:13 pmCastries Hewanorra
19h 02m
1 stop
SAT9:15 amSan Antonio
$612
American Airlines
May 6
SAT5:25 amSan Antonio
7h 10m
1 stop
UVF1:35 pmCastries Hewanorra
May 12
UVF3:13 pmCastries Hewanorra
19h 23m
2 stops
SAT9:36 amSan Antonio
$617
American Airlines
May 7
SAT5:45 pmSan Antonio
19h 38m
2 stops
UVF2:23 pmCastries Hewanorra
May 12
UVF3:13 pmCastries Hewanorra
19h 02m
1 stop
SAT9:15 amSan Antonio
$642

Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries flight tickets
Delta
May 8
SAT5:15 amSan Antonio
7h 53m
1 stop
UVF2:08 pmCastries Hewanorra
May 13
UVF3:25 pmCastries Hewanorra
10h 15m
1 stop
SAT12:40 amSan Antonio
$637
Delta
Mar 3
SAT5:30 amSan Antonio
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Mar 10
UVF3:18 pmCastries Hewanorra
10h 20m
1 stop
SAT12:38 amSan Antonio
$660
Delta
Feb 23
SAT5:30 amSan Antonio
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 28
UVF4:25 pmCastries Hewanorra
10h 10m
1 stop
SAT12:35 amSan Antonio
$850

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Castries 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 February 6, 2026.
Use the filters below to find and compare flights from San Antonio to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/6

5:25 am-1:35 pm

1 stop7h 10m

Castries Hewanorra

Tue 5/12

3:13 pm-9:15 am

1 stop19h 02m

$612

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/6

5:25 am-1:35 pm

1 stop7h 10m

Castries Hewanorra

Tue 5/12

3:13 pm-9:36 am

2 stops19h 23m

$617

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 5/8

5:15 am-2:08 pm

1 stop7h 53m

Castries Hewanorra

Wed 5/13

3:25 pm-12:40 am

1 stop10h 15m

$637

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 5/7

5:45 pm-2:23 pm

2 stops19h 38m

Castries Hewanorra

Wed 5/13

3:28 pm-8:23 am

2 stops17h 55m

$642

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 3/3

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Tue 3/10

3:18 pm-12:38 am

1 stop10h 20m

$660

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 3/3

5:00 am-2:48 pm

1 stop7h 48m

Castries Hewanorra

Tue 3/10

3:58 pm-9:33 am

2 stops18h 35m

$665

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:55 pm-3:04 pm

2 stops20h 09m

Castries Hewanorra

Wed 7/8

2:58 pm-11:59 pm

1 stop10h 01m

$701

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 3/23

5:00 am-2:58 pm

1 stop8h 58m

Castries Hewanorra

Wed 3/25

2:48 pm-11:59 pm

1 stop10h 11m

$704

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 3/23

3:08 pm-1:48 pm

2 stops21h 40m

Castries Hewanorra

Wed 3/25

3:58 pm-9:33 am

2 stops18h 35m

$709

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:55 pm-3:04 pm

2 stops20h 09m

Castries Hewanorra

Wed 7/8

3:10 pm-9:10 am

1 stop19h 00m

$712

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Antonio to Castries

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 Castries Hewanorra?

Air Canada, American Airlines, and United Airlines are the most popular carriers operating from San Antonio to Castries Hewanorra

When to book flights from San Antonio to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Castries (SAT to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Castries

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from San Antonio to Castries takes 7h 35m
There are no direct flights from San Antonio to Castries. There are no popular flight routes from San Antonio to Castries.
Search flight deals

  • How far is San Antonio to Castries Hewanorra by plane?

    Castries Hewanorra is 2615.1 mi away from San Antonio. 7h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Antonio Airport to Castries Hewanorra Airport?

    Prices for flights from San Antonio Airport to Castries Hewanorra Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Antonio Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from San Antonio Airport to Castries Hewanorra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Antonio to Castries?

Best airlines flying from San Antonio to Castries

Compare and see reviews for airlines that fly from San Antonio to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $596Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
DeltaPriceFrom $606Free CancellationRating
7.9
8,162 reviews
Search Delta flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Castries?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Castries for you.

Can I find flights from San Antonio to Castries with flexible booking policies on momondo?

Yes. All flights to Castries from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Castries.

I’m not ready to book a flight from San Antonio to Castries right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from San Antonio and alert you when they change.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport