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Cheap flights from San Antonio to Castries from $354

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 10/1. 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 - 2:26 pm
SAT
-
UVF
7h 56m
1 stop
Delta Logo
3:41 pm - 12:28 am
UVF
-
SAT
9h 47m
1 stop
$734Delta
Tue, Oct 13 - Tue, Oct 27
Delta Logo
5:30 am - 2:26 pm
SAT
-
UVF
7h 56m
1 stop
Delta Logo
3:41 pm - 9:54 am
UVF
-
SAT
19h 13m
1 stop
$764Delta
Wed, Oct 14 - Wed, Oct 28
Delta Logo
5:30 am - 2:26 pm
SAT
-
UVF
7h 56m
1 stop
Delta Logo
3:41 pm - 9:54 am
UVF
-
SAT
19h 13m
1 stop
$769Delta
Thu, Oct 15 - Thu, Oct 29
American Airlines Logo
8:26 pm - 3:30 pm
SAT
-
UVF
18h 04m
2 stops
American Airlines Logo
4:00 pm - 8:37 am
UVF
-
SAT
17h 37m
2 stops
$774American Airlines
Thu, Oct 15 - Thu, Oct 29
American Airlines Logo
5:01 am - 1:50 pm
SAT
-
UVF
7h 49m
1 stop
American Airlines Logo
2:49 pm - 5:24 pm
UVF
-
SAT
27h 35m
2 stops
$858American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:09 pm - 2:52 pm
SAT
-
UVF
18h 43m
2 stops
American Airlines Logo
2:04 pm - 8:18 am
UVF
-
SAT
20h 14m
2 stops
$866American Airlines
Thu, Dec 17 - Tue, Dec 22
Delta Logo
5:30 am - 2:21 pm
SAT
-
UVF
7h 51m
1 stop
Delta Logo
3:41 pm - 9:54 am
UVF
-
SAT
19h 13m
1 stop
$879Delta
Sat, Oct 17 - Tue, Oct 27
American Airlines Logo
4:25 pm - 2:20 pm
SAT
-
UVF
20h 55m
2 stops
American Airlines Logo
3:20 pm - 9:02 am
UVF
-
SAT
18h 42m
1 stop
$891American Airlines
Tue, Jul 14 - Sun, Jul 19
American Airlines Logo
5:47 pm - 1:49 pm
SAT
-
UVF
19h 02m
2 stops
American Airlines Logo
2:49 pm - 5:24 pm
UVF
-
SAT
27h 35m
2 stops
$898American Airlines
Tue, Aug 4 - Tue, Aug 11
Delta Logo
5:30 am - 2:26 pm
SAT
-
UVF
7h 56m
1 stop
Delta Logo
3:41 pm - 12:28 am
UVF
-
SAT
9h 47m
1 stop
$909Delta
Wed, Oct 14 - Sat, Oct 31

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Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries flight tickets
Delta
Oct 13
SAT5:30 amSan Antonio
7h 56m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 27
UVF3:41 pmCastries Hewanorra
9h 47m
1 stop
SAT12:28 amSan Antonio
$734
Delta
Oct 14
SAT5:30 amSan Antonio
7h 56m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 28
UVF3:41 pmCastries Hewanorra
19h 13m
1 stop
SAT9:54 amSan Antonio
$764
Delta
Oct 15
SAT5:30 amSan Antonio
7h 56m
1 stop
UVF2:26 pmCastries Hewanorra
Oct 29
UVF3:41 pmCastries Hewanorra
19h 13m
1 stop
SAT9:54 amSan Antonio
$769

American Airlines flights from San Antonio to Castries

Our best American Airlines deals on San Antonio to Castries flight tickets
American Airlines
Oct 15
SAT8:26 pmSan Antonio
18h 04m
2 stops
UVF3:30 pmCastries Hewanorra
Oct 29
UVF4:00 pmCastries Hewanorra
17h 37m
2 stops
SAT8:37 amSan Antonio
$774
American Airlines
Aug 4
SAT5:01 amSan Antonio
7h 49m
1 stop
UVF1:50 pmCastries Hewanorra
Aug 11
UVF2:49 pmCastries Hewanorra
27h 35m
2 stops
SAT5:24 pmSan Antonio
$858
American Airlines
Dec 17
SAT6:09 pmSan Antonio
18h 43m
2 stops
UVF2:52 pmCastries Hewanorra
Dec 22
UVF2:04 pmCastries Hewanorra
20h 14m
2 stops
SAT8:18 amSan Antonio
$866

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 June 23, 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
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 10/13

5:30 am-2:26 pm

1 stop7h 56m

Castries Hewanorra

Tue 10/27

3:41 pm-12:28 am

1 stop9h 47m

$734

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 10/14

5:30 am-2:26 pm

1 stop7h 56m

Castries Hewanorra

Wed 10/28

3:41 pm-9:54 am

1 stop19h 13m

$764

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 10/15

5:30 am-2:26 pm

1 stop7h 56m

Castries Hewanorra

Thu 10/29

3:41 pm-9:54 am

1 stop19h 13m

$769

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 10/15

8:26 pm-3:30 pm

2 stops18h 04m

Castries Hewanorra

Thu 10/29

4:00 pm-8:37 am

2 stops17h 37m

$774

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 8/4

5:01 am-1:50 pm

1 stop7h 49m

Castries Hewanorra

Tue 8/11

2:49 pm-5:24 pm

2 stops27h 35m

$858

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 12/17

6:09 pm-2:52 pm

2 stops18h 43m

Castries Hewanorra

Tue 12/22

2:04 pm-8:18 am

2 stops20h 14m

$866

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 10/17

5:30 am-2:21 pm

1 stop7h 51m

Castries Hewanorra

Tue 10/27

3:41 pm-9:54 am

1 stop19h 13m

$879

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 7/14

4:25 pm-2:20 pm

2 stops20h 55m

Castries Hewanorra

Sun 7/19

3:20 pm-9:02 am

1 stop18h 42m

$891

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Tue 8/4

5:47 pm-1:49 pm

2 stops19h 02m

Castries Hewanorra

Tue 8/11

2:49 pm-5:24 pm

2 stops27h 35m

$898

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 10/14

5:30 am-2:26 pm

1 stop7h 56m

Castries Hewanorra

Sat 10/31

3:41 pm-12:28 am

1 stop9h 47m

$909

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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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?

Delta 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 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
11,745 reviews
Search American Airlines flights
DeltaPriceFrom $641Free CancellationRating
7.8
8,424 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