HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Lucia

$621+ Cheap flights from San Antonio (SAT) to Saint Lucia

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 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Saint Lucia 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.

Cheap 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 September 15, 2025.

Round-trip from

$621
(American Airlines)
From San Antonio to Saint Lucia
Search Deals

Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 11/1512:55 pmSAT - UVF
2 stops22h 24mAmerican Airlines
Sat 11/224:52 pmUVF - SAT
2 stops18h 54mAmerican Airlines
Deal found 9/14$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 9/13. 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 12/205:48 pmSAT - UVF
2 stops17h 16mAmerican Airlines
Wed 12/243:53 pmUVF - SAT
1 stop19h 25mAmerican Airlines
Deal found 9/13$948
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/106:39 pmSAT - UVF
2 stops19h 21mAmerican Airlines
Tue 10/142:56 pmUVF - SAT
2 stops27h 03mAmerican Airlines
Deal found 9/14$956
This Delta deal was found by Cheapflights users on 9/14. 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 9/14$1,131

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 September 15, 2025.
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

Sat 11/15

6:20 pm-1:19 pm

1 stop16h 59m

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

4:41 pm-1:30 pm

2 stops18h 49m

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 9/14

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, January is the cheapest month in which you can book a flight from San Antonio to Saint Lucia (average of $556). Flying from San Antonio to Saint Lucia 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 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 September 15, 2025.
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
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

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
7,956 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

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 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 22h 24m. The distance from San Antonio to Saint Lucia is about 2628 mi.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to Saint Lucia (average of $556). Flying from San Antonio to Saint Lucia 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

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.

Alternative routes for San Antonio to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Punta Cana flights
Dallas/Fort Worth to Montego Bay flights
Austin to Luis Munoz Marin Intl flights
Hobby to Montego Bay flights
Hobby to Punta Cana flights
Love Field to Luis Munoz Marin Intl flights
Hobby to Nassau flights
George Bush Intcntl to Montego Bay flights
Dallas/Fort Worth to Saint Thomas Island flights
George Bush Intcntl to Punta Cana flights
Hobby to Oranjestad flights
San Antonio to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Oranjestad flights
Dallas/Fort Worth to Nassau flights
Dallas/Fort Worth to Santo Domingo flights
George Bush Intcntl to Nassau flights
Hobby to Saint Thomas Island flights
Dallas/Fort Worth to Providenciales flights
George Bush Intcntl to Oranjestad flights
George Bush Intcntl to Saint Thomas Island flights
Hobby to Castries flights
Hobby to Port of Spain flights
Hobby to Santo Domingo flights
George Bush Intcntl to Port of Spain flights
Hobby to Providenciales flights
Austin to Punta Cana flights
George Bush Intcntl to Santo Domingo flights
George Bush Intcntl to Castries flights
Dallas/Fort Worth to Castries flights
Love Field to Punta Cana flights
Dallas/Fort Worth to Willemstad flights
Dallas/Fort Worth to George Town flights
Dallas/Fort Worth to Christiansted flights
Love Field to Oranjestad flights
Hobby to George Town flights
El Paso to Luis Munoz Marin Intl flights
George Bush Intcntl to Providenciales flights
Hobby to Simpson Bay flights
Hobby to Christiansted flights
George Bush Intcntl to George Town flights
Love Field to Montego Bay flights
Austin to Oranjestad flights
Dallas/Fort Worth to Simpson Bay flights
Hobby to Bridgetown flights
Hobby to Willemstad flights
George Bush Intcntl to Christiansted flights
Dallas/Fort Worth to Puerto Plata flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$574Average$776FlexibilityNo cancel feeOn-time71%
DeltaCheapest$604Average$799FlexibilityNo 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.