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Cheap flights from San Antonio to Castries from $468

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
1 adult, Economy, 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.
Delta Logo
5:20 am - 2:02 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:25 pm - 12:44 am
UVF
-
SAT
10h 19m
1 stop
$728Delta
Wed, May 6 - Wed, May 13
American Airlines Logo
5:35 pm - 12:08 pm
SAT
-
UVF
17h 33m
2 stops
American Airlines Logo
3:03 pm - 10:09 am
UVF
-
SAT
20h 06m
2 stops
$751American Airlines
Fri, Jul 3 - Wed, Jul 8
Delta Logo
5:20 am - 2:02 pm
SAT
-
UVF
7h 42m
1 stop
Delta Logo
3:22 pm - 12:46 am
UVF
-
SAT
10h 24m
1 stop
$753Delta
Thu, Apr 16 - Tue, Apr 21
Delta Logo
5:25 am - 2:05 pm
SAT
-
UVF
7h 40m
1 stop
Delta Logo
3:25 pm - 12:44 am
UVF
-
SAT
10h 19m
1 stop
$761Delta
Wed, May 20 - Wed, May 27
American Airlines Logo
5:47 pm - 12:08 pm
SAT
-
UVF
17h 21m
2 stops
American Airlines Logo
3:03 pm - 8:41 am
UVF
-
SAT
18h 38m
2 stops
$781American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:42 pm - 1:45 pm
SAT
-
UVF
19h 03m
2 stops
American Airlines Logo
2:45 pm - 11:15 pm
UVF
-
SAT
9h 30m
1 stop
$789American Airlines
Wed, May 6 - Wed, May 13
American Airlines Logo
3:11 pm - 2:26 pm
SAT
-
UVF
22h 15m
2 stops
American Airlines Logo
3:13 pm - 9:36 am
UVF
-
SAT
19h 23m
2 stops
$811American Airlines
Thu, Apr 16 - Tue, Apr 21
American Airlines Logo
5:25 am - 1:45 pm
SAT
-
UVF
7h 20m
1 stop
American Airlines Logo
2:45 pm - 11:15 pm
UVF
-
SAT
9h 30m
1 stop
$817American Airlines
Sun, May 10 - Thu, May 14
American Airlines Logo
5:06 am - 2:09 pm
SAT
-
UVF
8h 03m
1 stop
American Airlines Logo
3:15 pm - 11:53 am
UVF
-
SAT
21h 38m
2 stops
$821American Airlines
Thu, Aug 13 - Sun, Aug 16
American Airlines Logo
5:25 am - 1:45 pm
SAT
-
UVF
7h 20m
1 stop
American Airlines Logo
3:28 pm - 9:36 am
UVF
-
SAT
19h 08m
2 stops
$822American Airlines
Sun, May 10 - Thu, May 14

Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries flight tickets
Delta
May 6
SAT5:20 amSan Antonio
7h 42m
1 stop
UVF2:02 pmCastries Hewanorra
May 13
UVF3:25 pmCastries Hewanorra
10h 19m
1 stop
SAT12:44 amSan Antonio
$728
Delta
May 20
SAT5:25 amSan Antonio
7h 40m
1 stop
UVF2:05 pmCastries Hewanorra
May 27
UVF3:25 pmCastries Hewanorra
10h 19m
1 stop
SAT12:44 amSan Antonio
$761
Delta
Apr 24
SAT5:20 amSan Antonio
7h 42m
1 stop
UVF2:02 pmCastries Hewanorra
Apr 28
UVF3:22 pmCastries Hewanorra
10h 24m
1 stop
SAT12:46 amSan Antonio
$786

Air Canada flights from San Antonio to Castries

Our best Air Canada deals on San Antonio to Castries flight tickets
Air Canada
Apr 19
SAT7:15 amSan Antonio
31h 05m
2 stops
UVF3:20 pmCastries Hewanorra
Apr 26
UVF4:05 pmCastries Hewanorra
41h 37m
2 stops
SAT8:42 amSan Antonio
$1,148
Air Canada
Apr 19
SAT6:49 amSan Antonio
31h 31m
2 stops
UVF3:20 pmCastries Hewanorra
Apr 26
UVF4:05 pmCastries Hewanorra
43h 58m
2 stops
SAT11:03 amSan Antonio
$1,179

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 March 24, 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

Wed 5/6

5:20 am-2:02 pm

1 stop7h 42m

Castries Hewanorra

Wed 5/13

3:25 pm-12:44 am

1 stop10h 19m

$728

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:35 pm-12:08 pm

2 stops17h 33m

Castries Hewanorra

Wed 7/8

3:03 pm-10:09 am

2 stops20h 06m

$751

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 4/16

5:20 am-2:02 pm

1 stop7h 42m

Castries Hewanorra

Tue 4/21

3:22 pm-12:46 am

1 stop10h 24m

$753

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/20

5:25 am-2:05 pm

1 stop7h 40m

Castries Hewanorra

Wed 5/27

3:25 pm-12:44 am

1 stop10h 19m

$761

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:47 pm-12:08 pm

2 stops17h 21m

Castries Hewanorra

Wed 7/8

3:03 pm-8:41 am

2 stops18h 38m

$781

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 5/6

5:42 pm-1:45 pm

2 stops19h 03m

Castries Hewanorra

Wed 5/13

2:45 pm-11:15 pm

1 stop9h 30m

$789

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 4/16

3:11 pm-2:26 pm

2 stops22h 15m

Castries Hewanorra

Tue 4/21

3:13 pm-9:36 am

2 stops19h 23m

$811
Quickest round-trip

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 5/10

5:25 am-1:45 pm

1 stop7h 20m

Castries Hewanorra

Thu 5/14

2:45 pm-11:15 pm

1 stop9h 30m

$817

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 8/13

5:06 am-2:09 pm

1 stop8h 03m

Castries Hewanorra

Sun 8/16

3:15 pm-11:53 am

2 stops21h 38m

$821

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 5/10

5:25 am-1:45 pm

1 stop7h 20m

Castries Hewanorra

Thu 5/14

3:28 pm-9:36 am

2 stops19h 08m

$822

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 airline that flies from San Antonio to Castries Hewanorra?

Air Canada 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 42m

Direct flights

None
The fastest flight from San Antonio to Castries takes 7h 42m
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 42m 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 $436Free CancellationRating
7.9
8,320 reviews
Search Delta flights
American AirlinesPriceFrom $591Free CancellationRating
7.1
11,491 reviews
Search American Airlines 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