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Cheap flights from San Antonio to Castries from $596

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Castries departing on 9/22. 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

American Airlines Logo
3:38 pm - 2:17 pmSAT-UVF
21h 39m2 stops
American Airlines Logo
3:17 pm - 11:55 pmUVF-SAT
9h 38m1 stop
$596American Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
American Airlines Logo
4:30 pm - 1:21 pmSAT-UVF
18h 51m2 stops
American Airlines Logo
5:05 pm - 8:23 amUVF-SAT
17h 18m2 stops
$621American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
Delta Logo
5:30 am - 3:10 pmSAT-UVF
7h 40m1 stop
Delta Logo
4:35 pm - 12:05 amUVF-SAT
9h 30m1 stop
$641Delta
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
1:40 pm - 1:21 pmSAT-UVF
21h 41m2 stops
American Airlines Logo
2:28 pm - 12:28 amUVF-SAT
12h 00m2 stops
$646American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
American Airlines Logo
1:40 pm - 3:00 pmSAT-UVF
23h 20m1 stop
American Airlines Logo
4:50 pm - 11:57 pmUVF-SAT
9h 07m1 stop
$652American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
6:11 pm - 2:15 pmSAT-UVF
19h 04m1 stop
Delta Logo
3:35 pm - 11:57 pmUVF-SAT
9h 22m1 stop
$661Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29
American Airlines Logo
5:25 am - 3:50 pmSAT-UVF
8h 25m1 stop
American Airlines Logo
3:05 pm - 11:25 pmUVF-SAT
10h 20m1 stop
$662American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 6
American Airlines Logo
4:30 pm - 1:21 pmSAT-UVF
18h 51m2 stops
American Airlines Logo
4:50 pm - 11:57 pmUVF-SAT
9h 07m1 stop
$667American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Delta Logo
6:11 pm - 2:15 pmSAT-UVF
19h 04m1 stop
Delta Logo
3:35 pm - 11:57 pmUVF-SAT
9h 22m1 stop
$704Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29
American Airlines Logo
6:49 pm - 2:17 pmSAT-UVF
18h 28m2 stops
American Airlines Logo
3:17 pm - 9:08 amUVF-SAT
18h 51m2 stops
$722American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20

Delta flights from San Antonio to Castries

Our best Delta deals on San Antonio to Castries flight tickets
Delta
Nov 15
SAT5:30 amSan Antonio
7h 40m
1 stop
UVF3:10 pmCastries Hewanorra
Nov 22
UVF4:35 pmCastries Hewanorra
9h 30m
1 stop
SAT12:05 amSan Antonio
$641
Find similar
Delta
Aug 25
SAT6:11 pmSan Antonio
19h 04m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 29
UVF3:35 pmCastries Hewanorra
9h 22m
1 stop
SAT11:57 pmSan Antonio
$661
Find similar
Delta
Aug 25
SAT6:11 pmSan Antonio
19h 04m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 29
UVF3:35 pmCastries Hewanorra
9h 22m
1 stop
SAT11:57 pmSan Antonio
$704
Find similar

American Airlines flights from San Antonio to Castries

Our best American Airlines deals on San Antonio to Castries flight tickets
American Airlines
Sep 22
SAT3:38 pmSan Antonio
21h 39m
2 stops
UVF2:17 pmCastries Hewanorra
Sep 25
UVF3:17 pmCastries Hewanorra
9h 38m
1 stop
SAT11:55 pmSan Antonio
$596
Find similar
American Airlines
Dec 1
SAT4:30 pmSan Antonio
18h 51m
2 stops
UVF1:21 pmCastries Hewanorra
Dec 6
UVF5:05 pmCastries Hewanorra
17h 18m
2 stops
SAT8:23 amSan Antonio
$621
Find similar
American Airlines
Nov 12
SAT1:40 pmSan Antonio
21h 41m
2 stops
UVF1:21 pmCastries Hewanorra
Nov 17
UVF2:28 pmCastries Hewanorra
12h 00m
2 stops
SAT12:28 amSan Antonio
$646
Find similar

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 July 31, 2025.
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

Mon 9/22

3:38 pm-2:17 pm

2 stops21h 39m

Castries Hewanorra

Thu 9/25

3:17 pm-11:55 pm

1 stop9h 38m

$596

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 12/1

4:30 pm-1:21 pm

2 stops18h 51m

Castries Hewanorra

Sat 12/6

5:05 pm-8:23 am

2 stops17h 18m

$621

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

5:30 am-3:10 pm

1 stop7h 40m

Castries Hewanorra

Sat 11/22

4:35 pm-12:05 am

1 stop9h 30m

$641

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 11/12

1:40 pm-1:21 pm

2 stops21h 41m

Castries Hewanorra

Mon 11/17

2:28 pm-12:28 am

2 stops12h 00m

$646

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 11/12

1:40 pm-3:00 pm

1 stop23h 20m

Castries Hewanorra

Mon 11/17

4:50 pm-11:57 pm

1 stop9h 07m

$652

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 8/25

6:11 pm-2:15 pm

1 stop19h 04m

Castries Hewanorra

Fri 8/29

3:35 pm-11:57 pm

1 stop9h 22m

$661

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 12/1

5:25 am-3:50 pm

1 stop8h 25m

Castries Hewanorra

Sat 12/6

3:05 pm-11:25 pm

1 stop10h 20m

$662

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

4:30 pm-1:21 pm

2 stops18h 51m

Castries Hewanorra

Sat 11/22

4:50 pm-11:57 pm

1 stop9h 07m

$667

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Mon 8/25

6:11 pm-2:15 pm

1 stop19h 04m

Castries Hewanorra

Fri 8/29

3:35 pm-11:57 pm

1 stop9h 22m

$704

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 9/13

6:49 pm-2:17 pm

2 stops18h 28m

Castries Hewanorra

Sat 9/20

3:17 pm-9:08 am

2 stops18h 51m

$722

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Castries?

The cheapest day to depart from San Antonio to Castries is on a Tuesday when prices can be found for as low as $575. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $921. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the afternoon. momondo users have found flights departing from San Antonio to Castries in the afternoon for as low as $590. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $732. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Best Price Found

$596

Fastest flight time

7h 40m

Direct flights

None

Airports in Castries

1 airport
The best flight deal from San Antonio to Castries found on momondo in the last 72 hours is $596
The fastest flight from San Antonio to Castries takes 7h 40m
There are no direct flights from San Antonio to Castries. Popular non-direct route for this connection is San Antonio Airport - Castries Hewanorra Airport.
There is 1 airport near Castries: Castries Hewanorra (UVF)
Search flight deals

  • 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 $574Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $604Free CancellationRating
8.0
7,981 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