HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castries

$323+ Cheap flights from San Antonio (SAT) to Castries (UVF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Castries with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from San Antonio to Castries

Cheapest flights from San Antonio to Castries
Explore the most affordable flight options available from San Antonio to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:10 amSAT - UVF
1 stop8h 20mDelta
Wed 1/74:25 pmUVF - SAT
1 stop19h 48mDelta
Deal found 11/16$702
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amSAT - UVF
1 stop8h 54mAmerican Airlines
Wed 1/75:02 pmUVF - SAT
2 stops20h 01mAmerican Airlines
Deal found 11/16$807
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amSAT - UVF
1 stop8h 54mAmerican Airlines
Tue 1/64:06 pmUVF - SAT
2 stops20h 57mAmerican Airlines
Deal found 11/17$886
This Mytrip deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:45 pmSAT - UVF
2 stops24h 05mMultiple Airlines
Wed 1/75:15 pmUVF - SAT
3 stops32h 37mMultiple Airlines
Deal found 11/16$1,018
This Delta deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:22 pmSAT - UVF
1 stop19h 08mDelta
Fri 12/264:50 pmUVF - SAT
1 stop9h 48mDelta
Deal found 11/16$1,175
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:48 pmSAT - UVF
1 stop19h 04mAmerican Airlines
Fri 12/263:53 pmUVF - SAT
1 stop19h 26mAmerican Airlines
Deal found 11/16$1,344
This Air Canada deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:30 pmSAT - UVF
2 stops42h 50mAir Canada
Fri 12/265:15 pmUVF - SAT
2 stops43h 25mAir Canada
Deal found 11/16$2,237

Cheap flight deals from San Antonio to Castries

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Castries (UVF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$702
(Delta)

One-way from

$323
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$651
Provider with most accurate pricing for San Antonio-Castries Hewanorra flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Castries Hewanorra flights.
Search Deals
From San Antonio to Castries Hewanorra
Search Deals
One-way flight from San Antonio to Castries Hewanorra
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from San Antonio to Castries that are best for you.

Fly from

San Antonio

Fly to

Castries

Route

Depart

Return

Price

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 1/29

5:10 am-4:02 pm

1 stop8h 52m

Castries Hewanorra

Mon 2/2

2:46 pm-11:59 pm

1 stop11h 13m

$641

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 12/31

5:10 am-3:30 pm

1 stop8h 20m

Castries Hewanorra

Wed 1/7

4:25 pm-10:13 am

1 stop19h 48m

$702

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 12/31

5:00 am-3:54 pm

1 stop8h 54m

Castries Hewanorra

Wed 1/7

5:02 pm-11:03 am

2 stops20h 01m

$807

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 3/7

4:47 pm-2:50 pm

2 stops20h 03m

Castries Hewanorra

Sat 3/14

3:50 pm-11:20 am

2 stops20h 30m

$873

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 12/31

5:00 am-3:54 pm

1 stop8h 54m

Castries Hewanorra

Tue 1/6

4:06 pm-11:03 am

2 stops20h 57m

$886

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 1/29

6:30 am-4:25 pm

3 stops31h 55m

Castries Hewanorra

Mon 2/2

5:15 pm-11:52 pm

3 stops32h 37m

$992

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 12/31

12:45 pm-2:50 pm

2 stops24h 05m

Castries Hewanorra

Wed 1/7

5:15 pm-11:52 pm

3 stops32h 37m

$1,018

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 1/29

3:07 pm-1:46 pm

2 stops20h 39m

$323

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 1/29

10:35 am-5:10 pm

3 stops52h 35m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Compare providers for flights from San Antonio to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Castries in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Castries flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Castries flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Castries flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Castries

What is the cheapest month to book a flight from San Antonio to Castries?

Currently, April is the cheapest month in which you can book a flight from San Antonio to Castries (average of $254). Flying from San Antonio to Castries in May is currently the most expensive (average of $699). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated November 17, 2025.
Read through reviews of airlines operating flights from San Antonio to Castries, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Castries?

    Departing from San Antonio to Castries will take you 8h 20m. San Antonio and Castries are separated by a distance of 2628 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Castries round-trip?

    According to our current data, American Airlines ($574), and Delta ($606) offers the cheapest pricing from San Antonio to Castries. Users have found that American Airlines is 24% cheaper than the other options available to this destination.

  • Can I find deals for flights from San Antonio to Castries that include hotel bookings?

    Yes. In addition to deals on San Antonio to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Castries.

  • Can I find deals for business class flights from San Antonio to Castries?

    Yes. Cheapflights offers flight deals from San Antonio to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Castries?

    Currently, April is the cheapest month in which you can book a flight from San Antonio to Castries (average of $254). Flying from San Antonio to Castries in May is currently the most expensive (average of $699). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from San Antonio to Castries

Discover the top 2 airlines that operate flights from San Antonio to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$755FlexibilityNo cancel feeOn-time71%
DeltaCheapest$606Average$816FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.