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Castries

$621+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$621
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$638
From San Antonio to Castries Hewanorra
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Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 11/224:52 pmUVF - SAT
2 stops21h 11mAmerican Airlines
Deal found 9/12$621
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/165:30 amSAT - UVF
1 stop8h 30mAmerican Airlines
Mon 10/202:40 pmUVF - SAT
1 stop9h 17mAmerican Airlines
Deal found 9/12$667
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/115:38 pmSAT - UVF
2 stops20h 22mAmerican Airlines
Wed 10/152:56 pmUVF - SAT
2 stops23h 39mAmerican Airlines
Deal found 9/13$807
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/108:25 pmSAT - UVF
2 stops17h 35mAmerican Airlines
Tue 10/142:56 pmUVF - SAT
2 stops27h 03mAmerican Airlines
Deal found 9/12$911
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/208:19 pmSAT - UVF
2 stops17h 34mAmerican Airlines
Wed 12/243:53 pmUVF - SAT
2 stops18h 25mAmerican Airlines
Deal found 9/13$948
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 10/105:14 amSAT - UVF
1 stop8h 12mDelta
Tue 10/143:41 pmUVF - SAT
1 stop9h 39mDelta
Deal found 9/12$1,086

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 September 14, 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

Sat 11/15

4:30 pm-3:52 pm

2 stops21h 22m

Castries Hewanorra

Sat 11/22

4:52 pm-9:46 am

2 stops18h 54m

$621

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 10/16

5:30 am-3:00 pm

1 stop8h 30m

Castries Hewanorra

Mon 10/20

2:40 pm-10:57 pm

1 stop9h 17m

$667

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 3/7

7:20 pm-1:30 pm

2 stops16h 10m

Castries Hewanorra

Sat 3/14

3:50 pm-11:20 am

2 stops20h 30m

$796

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Sat 10/11

5:38 pm-3:00 pm

2 stops20h 22m

Castries Hewanorra

Wed 10/15

2:56 pm-1:35 pm

2 stops23h 39m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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, January is the cheapest month in which you can book a flight from San Antonio to Castries (average of $556). Flying from San Antonio to Castries in December is currently the most expensive (average of $730). 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 September 14, 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
8.0
Very good
7,959 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 16h 59m. 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 ($604) offers the cheapest pricing from San Antonio to Castries. Users have found that American Airlines is 20% 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, January is the cheapest month in which you can book a flight from San Antonio to Castries (average of $556). Flying from San Antonio to Castries in December is currently the most expensive (average of $730). 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

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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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$714FlexibilityNo cancel feeOn-time71%
DeltaCheapest$604Average$700FlexibilityNo cancel feeOn-timeN/A

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