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Cheap flights from San Antonio to Castries from $357

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
5:52 pm - 3:00 pm
SAT
-
UVF
19h 08m
2 stops
American Airlines Logo
4:50 pm - 12:03 pm
UVF
-
SAT
21h 13m
2 stops
$809American Airlines
Sun, Nov 1 - Sun, Nov 8
Delta Logo
5:20 am - 2:12 pm
SAT
-
UVF
7h 52m
1 stop
Delta Logo
3:34 pm - 12:28 am
UVF
-
SAT
9h 54m
1 stop
$844Delta
Sun, Aug 2 - Thu, Aug 6
American Airlines Logo
5:01 am - 1:50 pm
SAT
-
UVF
7h 49m
1 stop
American Airlines Logo
3:20 pm - 10:09 am
UVF
-
SAT
19h 49m
2 stops
$863American Airlines
Fri, Jul 24 - Tue, Jul 28
Delta Logo
5:30 am - 3:26 pm
SAT
-
UVF
7h 56m
1 stop
Delta Logo
4:41 pm - 12:28 am
UVF
-
SAT
9h 47m
1 stop
$876Delta
Sun, Nov 1 - Sun, Nov 8
American Airlines Logo
4:30 pm - 12:08 pm
SAT
-
UVF
18h 38m
2 stops
American Airlines Logo
3:14 pm - 11:47 am
UVF
-
SAT
21h 33m
2 stops
$906American Airlines
Mon, Aug 3 - Fri, Aug 7
American Airlines Logo
5:01 am - 1:50 pm
SAT
-
UVF
7h 49m
1 stop
American Airlines Logo
3:20 pm - 9:02 am
UVF
-
SAT
18h 42m
1 stop
$933American Airlines
Fri, Jul 24 - Tue, Jul 28
American Airlines Logo
5:01 am - 1:46 pm
SAT
-
UVF
7h 45m
1 stop
American Airlines Logo
3:16 pm - 9:10 am
UVF
-
SAT
18h 54m
1 stop
$943American Airlines
Fri, Jun 5 - Thu, Jun 11
American Airlines Logo
5:01 am - 1:46 pm
SAT
-
UVF
7h 45m
1 stop
American Airlines Logo
3:16 pm - 9:59 am
UVF
-
SAT
19h 43m
2 stops
$948American Airlines
Fri, Jun 5 - Thu, Jun 11
American Airlines Logo
5:01 am - 1:50 pm
SAT
-
UVF
7h 49m
1 stop
American Airlines Logo
3:14 pm - 9:07 am
UVF
-
SAT
18h 53m
1 stop
$1,034American Airlines
Mon, Aug 3 - Fri, Aug 7
American Airlines Logo
6:15 pm - 2:16 pm
SAT
-
UVF
19h 01m
2 stops
American Airlines Logo
3:16 pm - 9:59 am
UVF
-
SAT
19h 43m
2 stops
$1,068American Airlines
Thu, Jun 25 - Mon, Jun 29

American Airlines flights from San Antonio to Castries

Our best American Airlines deals on San Antonio to Castries flight tickets
American Airlines
Nov 1
SAT5:52 pmSan Antonio
19h 08m
2 stops
UVF3:00 pmCastries Hewanorra
Nov 8
UVF4:50 pmCastries Hewanorra
21h 13m
2 stops
SAT12:03 pmSan Antonio
$809
American Airlines
Jul 24
SAT5:01 amSan Antonio
7h 49m
1 stop
UVF1:50 pmCastries Hewanorra
Jul 28
UVF3:20 pmCastries Hewanorra
19h 49m
2 stops
SAT10:09 amSan Antonio
$863
American Airlines
Aug 3
SAT4:30 pmSan Antonio
18h 38m
2 stops
UVF12:08 pmCastries Hewanorra
Aug 7
UVF3:14 pmCastries Hewanorra
21h 33m
2 stops
SAT11:47 amSan Antonio
$906

Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries flight tickets
Delta
Aug 2
SAT5:20 amSan Antonio
7h 52m
1 stop
UVF2:12 pmCastries Hewanorra
Aug 6
UVF3:34 pmCastries Hewanorra
9h 54m
1 stop
SAT12:28 amSan Antonio
$844
Delta
Nov 1
SAT5:30 amSan Antonio
7h 56m
1 stop
UVF3:26 pmCastries Hewanorra
Nov 8
UVF4:41 pmCastries Hewanorra
9h 47m
1 stop
SAT12:28 amSan Antonio
$876
Delta
Jul 16
SAT5:20 amSan Antonio
7h 52m
1 stop
UVF2:12 pmCastries Hewanorra
Jul 23
UVF3:33 pmCastries Hewanorra
9h 51m
1 stop
SAT12:24 amSan Antonio
$1,629

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 May 8, 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 - UVF

SATUVF

San Antonio

Sun 11/1

5:52 pm-3:00 pm

2 stops19h 08m

Castries Hewanorra

Sun 11/8

4:50 pm-12:03 pm

2 stops21h 13m

$809

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 8/2

5:20 am-2:12 pm

1 stop7h 52m

Castries Hewanorra

Thu 8/6

3:34 pm-12:28 am

1 stop9h 54m

$844

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/24

5:01 am-1:50 pm

1 stop7h 49m

Castries Hewanorra

Tue 7/28

3:20 pm-10:09 am

2 stops19h 49m

$863
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 11/1

5:30 am-3:26 pm

1 stop7h 56m

Castries Hewanorra

Sun 11/8

4:41 pm-12:28 am

1 stop9h 47m

$876

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 8/3

4:30 pm-12:08 pm

2 stops18h 38m

Castries Hewanorra

Fri 8/7

3:14 pm-11:47 am

2 stops21h 33m

$906

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/24

5:01 am-1:50 pm

1 stop7h 49m

Castries Hewanorra

Tue 7/28

3:20 pm-9:02 am

1 stop18h 42m

$933

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 6/5

5:01 am-1:46 pm

1 stop7h 45m

Castries Hewanorra

Thu 6/11

3:16 pm-9:10 am

1 stop18h 54m

$943

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 6/5

5:01 am-1:46 pm

1 stop7h 45m

Castries Hewanorra

Thu 6/11

3:16 pm-9:59 am

2 stops19h 43m

$948

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 8/3

5:01 am-1:50 pm

1 stop7h 49m

Castries Hewanorra

Fri 8/7

3:14 pm-9:07 am

1 stop18h 53m

$1,034

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 6/25

6:15 pm-2:16 pm

2 stops19h 01m

Castries Hewanorra

Mon 6/29

3:16 pm-9:59 am

2 stops19h 43m

$1,068

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Castries from

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 month to fly to Castries?

The month of May is, on average, the cheapest month to fly to Castries from San Antonio, with most prices found around $0. The month of February is another great option to travel to Castries, with average flight prices from San Antonio averaging around $591.

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
American AirlinesPriceFrom $591Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
DeltaPriceFrom $606Free CancellationRating
7.9
8,456 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