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Saint Lucia

$384+ Cheap flights from San Antonio (SAT) to Saint Lucia

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — UVF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Antonio to Saint Lucia

Cheapest flights from San Antonio to Saint Lucia
Explore the most affordable flight options available from San Antonio to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 10/226:04 pm
SAT
-
UVF
2 stops18h 21m
American Airlines
Mon 10/262:20 pm
UVF
-
SAT
2 stops19h 59m
American Airlines
Deal found 1/28$667
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 7/35:55 pm
SAT
-
UVF
2 stops20h 09m
American Airlines
Wed 7/83:10 pm
UVF
-
SAT
1 stop19h 00m
American Airlines
Deal found 1/28$712
This American Airlines deal was found by Cheapflights users on 1/29. 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 5/15:45 pm
SAT
-
UVF
2 stops19h 38m
American Airlines
Tue 5/52:35 pm
UVF
-
SAT
2 stops20h 01m
American Airlines
Deal found 1/29$718
This American Airlines deal was found by Cheapflights users on 1/29. 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 8/108:10 am
SAT
-
UVF
1 stop29h 05m
American Airlines
Sat 8/153:09 pm
UVF
-
SAT
1 stop9h 16m
American Airlines
Deal found 1/29$724
This American Airlines deal was found by Cheapflights users on 1/29. 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 7/35:55 pm
SAT
-
UVF
2 stops20h 09m
American Airlines
Tue 7/72:58 pm
UVF
-
SAT
2 stops19h 12m
American Airlines
Deal found 1/29$792
This American Airlines deal was found by Cheapflights users on 1/29. 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 7/167:09 pm
SAT
-
UVF
2 stops18h 01m
American Airlines
Thu 7/232:58 pm
UVF
-
SAT
1 stop10h 01m
American Airlines
Deal found 1/29$794

Find flight deals from San Antonio to Saint Lucia

Keep the following information in mind while searching for San Antonio to Saint Lucia flight deals. Data was last updated January 29, 2026.

Round-trip from

$712
(American Airlines)

One-way from

$384
(American Airlines)
From San Antonio to Saint Lucia
Search Deals
One-way flight from San Antonio to Saint Lucia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Saint Lucia 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 January 29, 2026.
Use the filters below to find and compare flights from San Antonio to Saint Lucia that are best for you.

Fly from

San Antonio

Fly to

Saint Lucia

Route

Depart

Return

Price

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:55 pm-3:04 pm

2 stops20h 09m

Castries Hewanorra

Wed 7/8

3:10 pm-9:10 am

1 stop19h 00m

$712

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 5/1

5:45 pm-2:23 pm

2 stops19h 38m

Castries Hewanorra

Tue 5/5

2:35 pm-11:02 pm

1 stop9h 27m

$718

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/16

7:09 pm-2:10 pm

2 stops18h 01m

Castries Hewanorra

Thu 7/23

2:58 pm-11:57 am

2 stops21h 59m

$833

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/3

5:55 pm-3:04 pm

2 stops20h 09m

Castries Hewanorra

Tue 7/7

2:58 pm-11:59 pm

1 stop10h 01m

$875

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Fri 7/10

5:40 pm-3:04 pm

2 stops20h 24m

Castries Hewanorra

Mon 7/13

3:10 pm-9:10 am

1 stop19h 00m

$941

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Wed 7/1

5:55 pm-2:10 pm

1 stop19h 15m

Castries Hewanorra

Mon 7/6

2:58 pm-11:59 pm

1 stop10h 01m

$1,058

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/16

7:09 pm-2:10 pm

2 stops18h 01m

$384

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/16

5:30 am-2:13 pm

1 stop7h 43m

$491

San AntonioCastries

SAT - UVF

SATUVF

San Antonio

Thu 7/16

2:15 pm-3:30 pm

3 stops48h 15m

$2,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from San Antonio to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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 Saint Lucia

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

Currently, November is the cheapest month in which you can book a flight from San Antonio to Saint Lucia (average of $589). Flying from San Antonio to Saint Lucia in December is currently the most expensive (average of $789). 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 Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from San Antonio to Saint Lucia, 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
8,127 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
11,205 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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 Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Saint Lucia?

    Located just 7.6 mi from the city center, San Antonio (SAT) is the airport most travelers will use when flying to Saint Lucia from San Antonio.

  • How long is the flight from San Antonio to Saint Lucia?

    Departing from San Antonio to Saint Lucia will take you 7h 48m. The distance from San Antonio to Saint Lucia is about 2628 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Saint Lucia 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 Saint Lucia?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to Saint Lucia (average of $589). Flying from San Antonio to Saint Lucia in December is currently the most expensive (average of $789). 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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Alternative routes for San Antonio to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from San Antonio to Saint Lucia

Discover the top 2 airlines that operate flights from San Antonio to Saint Lucia. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$596Average$755FlexibilityNo cancel feeOn-time71%
DeltaCheapest$606Average$859FlexibilityNo cancel feeOn-timeN/A

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