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Castries

$596+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$596
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$932
From San Antonio to Castries Hewanorra
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Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/223:38 pmSAT - UVF
2 stops21h 39mAmerican Airlines
Thu 9/253:17 pmUVF - SAT
1 stop9h 38mAmerican Airlines
Deal found 7/28$596
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 11/155:30 amSAT - UVF
1 stop7h 40mDelta
Sat 11/224:35 pmUVF - SAT
1 stop9h 30mDelta
Deal found 7/28$641
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Sun 9/72:54 pmSAT - UVF
3 stops46h 21mMultiple Airlines
Tue 9/163:10 pmUVF - SAT
2 stops30h 42mMultiple Airlines
Deal found 7/28$687

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 July 30, 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

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

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

Sun 9/7

2:54 pm-2:15 pm

3 stops46h 21m

Castries Hewanorra

Tue 9/16

3:10 pm-8:52 pm

2 stops30h 42m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

How much does it cost to fly round-trip from San Antonio to Castries?

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 July 30, 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
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

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

    According to our current data, American Airlines ($596), and Delta ($641) offers the cheapest pricing from San Antonio to Castries. Users have found that American Airlines is 17% 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$726FlexibilityNo cancel feeOn-time71%
DeltaCheapest$604Average$799FlexibilityNo cancel feeOn-timeN/A

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