SAT - UVF

$443 Find Cheap Flights from San Antonio to Castries - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$731
Typical prices: $818-$1,349
Delta
Sun 12/16Sun 12/23
SAT - UVF • 1 stop
Cheapest one-way
$443
Typical prices: $430-$616
United Airlines
Mon 11/26
SAT - UVF • 2 stops
Nonstop flights
Not available
There are currently no direct flights between San Antonio and Castries. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 31% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Miami (MIA)
Cheapest • Avg $1,113 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 8h 47m (one-way)
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Insights
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We hope you love your trip to Castries!
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Booking Insights
Flight Deals

Cheap Flights from San Antonio to Castries (SAT-UVF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Castries

Wed, Dec 16 - Wed, Dec 23
Delta Logo
5:16 am - 3:04 pmSAT  San Antonio-UVF Castries Hewanorra
7h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:56 pm - 12:40 amUVF  Castries Hewanorra-SAT San Antonio
9h 44m1 stop Atlanta Hartsfield-Jackson
$731Delta
Wed, Dec 16 - Wed, Dec 23
American Airlines Logo
5:01 am - 3:41 pmSAT  San Antonio-UVF Castries Hewanorra
8h 40m1 stop Miami
American Airlines Logo
4:15 pm - 11:56 amUVF  Castries Hewanorra-SAT San Antonio
21h 41m2 stops Charlotte Douglas Dallas/Fort Worth
$740American Airlines
Sat, Dec 12 - Sat, Dec 19
American Airlines Logo
5:01 am - 3:41 pmSAT  San Antonio-UVF Castries Hewanorra
8h 40m1 stop Miami
American Airlines Logo
1:58 pm - 12:06 amUVF  Castries Hewanorra-SAT San Antonio
12h 08m1 stop Miami
$743American Airlines
Sat, Dec 12 - Sat, Dec 19
American Airlines Logo
5:01 am - 3:41 pmSAT  San Antonio-UVF Castries Hewanorra
8h 40m1 stop Miami
American Airlines Logo
3:47 pm - 12:09 pmUVF  Castries Hewanorra-SAT San Antonio
22h 22m2 stops Miami Dallas/Fort Worth
$747American Airlines
Thu, Mar 4 - Thu, Mar 11
American Airlines Logo
5:11 am - 3:57 pmSAT  San Antonio-UVF Castries Hewanorra
8h 46m1 stop Miami
American Airlines Logo
3:42 pm - 11:49 pmUVF  Castries Hewanorra-SAT San Antonio
10h 07m1 stop Miami
$767American Airlines
Thu, Mar 4 - Thu, Mar 11
American Airlines Logo
6:02 pm - 2:42 pmSAT  San Antonio-UVF Castries Hewanorra
18h 40m2 stops Charlotte Douglas Miami
American Airlines Logo
3:42 pm - 11:49 pmUVF  Castries Hewanorra-SAT San Antonio
10h 07m1 stop Miami
$771American Airlines
Thu, Mar 4 - Thu, Mar 11
American Airlines Logo
6:02 pm - 3:57 pmSAT  San Antonio-UVF Castries Hewanorra
19h 55m2 stops Charlotte Douglas Miami
American Airlines Logo
4:08 pm - 11:56 amUVF  Castries Hewanorra-SAT San Antonio
21h 48m2 stops Charlotte Douglas Dallas/Fort Worth
$771American Airlines
Sat, Apr 10 - Sat, Apr 17
Delta Logo
5:30 am - 2:00 pmSAT  San Antonio-UVF Castries Hewanorra
7h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:05 pm - 12:28 amUVF  Castries Hewanorra-SAT San Antonio
11h 23m1 stop Atlanta Hartsfield-Jackson
$803Delta
Booking Insights

Price, demand and travel trends for San Antonio to Castries flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Antonio to Castries?

Round-trip flights from San Antonio to Castries typically range from $818 to $1,349. The lowest price found in the past 5 days was $731, on Delta.

What's the cheapest day of the week to fly from San Antonio to Castries?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from San Antonio to Castries. It’s 32% cheaper than the average day, while Saturday is the most expensive, with prices 73% higher.

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Key details for San Antonio to Castries flights

Low season

February

Cheapest flight

$443
Beat the crowds with an average 73% drop in travelers.
The most popular month to fly with an average 50% increase in travelers.
One-way flight from San Antonio to Castries

When to book flights from San Antonio to Castries

Are your dates flexible? Find out the best times to travel from San Antonio to Castries based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Antonio to Castries flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Antonio to Castries?

    Only Economy Class is available on flights from San Antonio to Castries.

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

    A nonstop flight from San Antonio to Castries takes 00m, covering 2,628 miles.

  • Do I need a passport to fly from San Antonio to Castries?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Antonio to Castries flight?

    Round-trip flights from San Antonio to Castries range from $818 to $1,349, with an average of $1,094 over the past 12 months. Anything below $818 counts as a good deal.

  • How are flight prices from San Antonio to Castries looking right now?

    One-way fares from San Antonio to Castries are currently lower than usual. Average one-way flight prices are about $547, which is 5% below the typical average for this route.

  • What car rental options are available at Castries Hewanorra Airport (UVF)?

    Castries Hewanorra Airport (UVF) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Drive A Matic
    • Final Rentals
    • Sixt
    • Ace
    • Hertz

  • Which airports can I use when flying from San Antonio to Castries?

    Flights from San Antonio to Castries usually depart from San Antonio (SAT) and arrive at Castries Hewanorra (UVF).

  • Which airports do connecting flights from San Antonio to Castries pass through?

    Connecting flights from San Antonio to Castries most commonly pass through:

    • Atlanta Hartsfield-Jackson (ATL) - 65% of one-stop connections
    • Miami (MIA) - 35% of one-stop connections

  • Can I save money by using flexible dates for flights from San Antonio to Castries?

    Yes. Flexible dates can save you up to 61% on flights from San Antonio to Castries. Tuesday is the cheapest departure day at $748 round-trip on average, while Saturday is the most expensive at $1,898, a difference of $1,150.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from San Antonio to Castries?

    Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 8h 41m, compared with 8h 47m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between San Antonio and Castries?

    Castries is 2 hours ahead of San Antonio (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking San Antonio to Castries flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $748, about $1,150 less than Saturday fares (61% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Antonio to Castries trip for September. Fares historically average $755 round-trip in that month - typically $1,143 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from San Antonio to Castries

Complete your trip to Castries with a hotel stay or car rental

Car rentals in Castries
Hotels in Castries