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Cheap flights from San Antonio to Castries from $384

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 10/30. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 2:12 pmSAT  San Antonio-UVF Castries Hewanorra
7h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:32 pm - 12:08 amUVF  Castries Hewanorra-SAT San Antonio
9h 36m1 stop Atlanta Hartsfield-Jackson
$788Delta
ons, sep 9 - ons, sep 16
American Airlines Logo
5:14 am - 2:02 pmSAT  San Antonio-UVF Castries Hewanorra
7h 48m1 stop Miami
American Airlines Logo
3:02 pm - 4:39 pmUVF  Castries Hewanorra-SAT San Antonio
26h 37m2 stops Miami Charlotte Douglas
$798American Airlines
ons, sep 9 - ons, sep 16
American Airlines Logo
5:15 am - 1:49 pmSAT  San Antonio-UVF Castries Hewanorra
7h 34m1 stop Miami
American Airlines Logo
3:02 pm - 11:05 amUVF  Castries Hewanorra-SAT San Antonio
21h 03m2 stops Miami Dallas/Fort Worth
$828American Airlines
fre, sep 4 - tors, sep 10
American Airlines Logo
4:27 pm - 2:02 pmSAT  San Antonio-UVF Castries Hewanorra
20h 35m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:02 pm - 1:07 pmUVF  Castries Hewanorra-SAT San Antonio
23h 05m2 stops Miami Dallas/Fort Worth
$833American Airlines
ons, sep 9 - ons, sep 16
American Airlines Logo
6:11 pm - 1:49 pmSAT  San Antonio-UVF Castries Hewanorra
18h 38m1 stop Miami
American Airlines Logo
3:02 pm - 11:06 amUVF  Castries Hewanorra-SAT San Antonio
21h 04m2 stops Miami Dallas/Fort Worth
$894American Airlines
lör, sep 5 - lör, sep 12
American Airlines Logo
2:45 pm - 1:49 pmSAT  San Antonio-UVF Castries Hewanorra
22h 04m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:02 pm - 10:01 amUVF  Castries Hewanorra-SAT San Antonio
19h 59m2 stops Miami Dallas/Fort Worth
$894American Airlines
lör, sep 5 - lör, sep 12
American Airlines Logo
12:29 pm - 1:49 pmSAT  San Antonio-UVF Castries Hewanorra
24h 20m2 stops Charlotte Douglas Miami
American Airlines Logo
3:02 pm - 2:51 pmUVF  Castries Hewanorra-SAT San Antonio
24h 49m2 stops Miami Dallas/Fort Worth
$987American Airlines
fre, sep 4 - tors, sep 10
Delta Logo
5:20 am - 2:14 pmSAT  San Antonio-UVF Castries Hewanorra
7h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:32 pm - 12:08 amUVF  Castries Hewanorra-SAT San Antonio
9h 36m1 stop Atlanta Hartsfield-Jackson
$1,253Delta
fre, sep 4 - tors, sep 10
American Airlines Logo
5:39 pm - 1:29 pmSAT  San Antonio-UVF Castries Hewanorra
17h 50m2 stops Charlotte Douglas Miami
American Airlines Logo
3:56 pm - 11:58 amUVF  Castries Hewanorra-SAT San Antonio
22h 02m2 stops Miami Dallas/Fort Worth
$1,490American Airlines
fre, nov 20 - sön, nov 29
Delta Logo
5:20 am - 2:14 pmSAT  San Antonio-UVF Castries Hewanorra
7h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:32 pm - 11:18 pmUVF  Castries Hewanorra-SAT San Antonio
8h 46m1 stop Atlanta Hartsfield-Jackson
$1,579Delta
lör, sep 5 - lör, sep 12

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American Airlines flights from San Antonio to Castries

Our best American Airlines deals on San Antonio to Castries flight tickets
American Airlines
Sep 9
SAT5:14 amSan Antonio
7h 48m
1 stop
UVF2:02 pmCastries Hewanorra
Sep 16
UVF3:02 pmCastries Hewanorra
26h 37m
2 stops
SAT4:39 pmSan Antonio
$798
American Airlines
Sep 4
SAT5:15 amSan Antonio
7h 34m
1 stop
UVF1:49 pmCastries Hewanorra
Sep 10
UVF3:02 pmCastries Hewanorra
21h 03m
2 stops
SAT11:05 amSan Antonio
$828
American Airlines
Sep 9
SAT4:27 pmSan Antonio
20h 35m
2 stops
UVF2:02 pmCastries Hewanorra
Sep 16
UVF3:02 pmCastries Hewanorra
23h 05m
2 stops
SAT1:07 pmSan Antonio
$833

Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries 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 4
SAT5:20 amSan Antonio
7h 54m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 10
UVF3:32 pmCastries Hewanorra
9h 36m
1 stop
SAT12:08 amSan Antonio
$1,253
Delta
Sep 5
SAT5:20 amSan Antonio
7h 54m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 12
UVF3:32 pmCastries Hewanorra
8h 46m
1 stop
SAT11:18 pmSan Antonio
$1,579

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 augusti 7, 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

Cheapest round-trip

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

ons 9/9

5:30 am-2:12 pm

1 stop7h 42m

Castries Hewanorra

ons 9/16

3:32 pm-12:08 am

1 stop9h 36m

$788

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

ons 9/9

5:14 am-2:02 pm

1 stop7h 48m

Castries Hewanorra

ons 9/16

3:02 pm-4:39 pm

2 stops26h 37m

$798

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

fre 9/4

5:15 am-1:49 pm

1 stop7h 34m

Castries Hewanorra

tors 9/10

3:02 pm-11:05 am

2 stops21h 03m

$828

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

ons 9/9

4:27 pm-2:02 pm

2 stops20h 35m

Castries Hewanorra

ons 9/16

3:02 pm-1:07 pm

2 stops23h 05m

$833

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

lör 9/5

6:11 pm-1:49 pm

1 stop18h 38m

Castries Hewanorra

lör 9/12

3:02 pm-11:06 am

2 stops21h 04m

$894

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

lör 9/5

2:45 pm-1:49 pm

2 stops22h 04m

Castries Hewanorra

lör 9/12

3:02 pm-10:01 am

2 stops19h 59m

$894

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

fre 9/4

12:29 pm-1:49 pm

2 stops24h 20m

Castries Hewanorra

tors 9/10

3:02 pm-2:51 pm

2 stops24h 49m

$987

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

fre 9/4

5:20 am-2:14 pm

1 stop7h 54m

Castries Hewanorra

tors 9/10

3:32 pm-12:08 am

1 stop9h 36m

$1,253

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

fre 11/20

5:39 pm-1:29 pm

2 stops17h 50m

Castries Hewanorra

sön 11/29

3:56 pm-11:58 am

2 stops22h 02m

$1,490
Quickest round-trip

San AntonioCastries

SAT San Antonio - UVF Castries Hewanorra

SATUVF

San Antonio

lör 9/5

5:20 am-2:14 pm

1 stop7h 54m

Castries Hewanorra

lör 9/12

3:32 pm-11:18 pm

1 stop8h 46m

$1,579

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

United Airlines is the most popular carrier 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 40m

Direct flights

None
The fastest flight from San Antonio to Castries takes 7h 40m
There are no direct flights from San Antonio to Castries. There are no popular flight routes from San Antonio to Castries.
Search flight deals

Frequently asked questions about flying from San Antonio to Castries

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

    Castries Hewanorra is 2615.1 mi away from San Antonio. 7h 40m 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
DeltaPriceFrom $641Free CancellationRating
7.8
8,499 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