HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castries

$616+ Cheap flights from San Antonio (SAT) to Castries (UVF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 12/125:20 amSAT - UVF
1 stop8h 33mAmerican Airlines
Fri 12/194:54 pmUVF - SAT
2 stops17h 25mAmerican Airlines
Deal found 10/27$719
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/156:20 pmSAT - UVF
1 stop16h 59mAmerican Airlines
Sat 11/222:19 pmUVF - SAT
1 stop11h 40mAmerican Airlines
Deal found 10/28$777
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/133:00 pmSAT - UVF
2 stops20h 19mAmerican Airlines
Sun 11/164:04 pmUVF - SAT
2 stops18h 20mAmerican Airlines
Deal found 10/28$857
This Delta deal was found by Cheapflights users on 10/28. 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.
Sun 12/215:10 amSAT - UVF
1 stop8h 20mDelta
Fri 12/264:50 pmUVF - SAT
1 stop9h 48mDelta
Deal found 10/28$968
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 11/136:45 amSAT - UVF
2 stops31h 40mMultiple Airlines
Sun 11/165:15 pmUVF - SAT
3 stops27h 17mMultiple Airlines
Deal found 10/28$1,115

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$616
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$799
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
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 29, 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

Wed 3/18

5:31 am-2:50 pm

1 stop8h 19m

Castries Hewanorra

Mon 3/23

2:20 pm-12:24 am

1 stop11h 04m

$616

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 1/31

4:40 pm-1:46 pm

2 stops19h 06m

Castries Hewanorra

Sun 2/8

4:06 pm-11:58 pm

1 stop9h 52m

$626

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 12/12

5:20 am-3:53 pm

1 stop8h 33m

Castries Hewanorra

Fri 12/19

4:54 pm-8:19 am

2 stops17h 25m

$719

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 1/31

6:00 am-4:25 pm

3 stops32h 25m

Castries Hewanorra

Sun 2/8

5:15 pm-10:27 pm

3 stops31h 12m

$758

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 11/15

6:20 pm-1:19 pm

1 stop16h 59m

Castries Hewanorra

Sat 11/22

3:54 pm-10:53 am

2 stops20h 59m

$782

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sun 4/5

5:31 am-1:30 pm

1 stop6h 59m

Castries Hewanorra

Thu 4/9

3:35 pm-11:07 pm

1 stop8h 32m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
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 $267). Flying from San Antonio to Castries in October is currently the most expensive (average of $676). 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 October 29, 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
7,992 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 19m. San Antonio and Castries are separated by a distance of 2628 mi.

  • 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 $267). Flying from San Antonio to Castries in October is currently the most expensive (average of $676). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$726FlexibilityNo 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.