$646 Find Cheap Flights from San Antonio to Saint Lucia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Saint Lucia departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap San Antonio to Saint Lucia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Saint Lucia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Saint Lucia

Wed, Feb 4 - Sat, Feb 14
American Airlines Logo
4:40 pm - 1:46 pmSAT-UVF
19h 06m2 stops
American Airlines Logo
4:24 pm - 9:34 amUVF-SAT
19h 10m2 stops
$646American Airlines
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Wed, Feb 4 - Sat, Feb 14
American Airlines Logo
5:00 pm - 3:03 pmSAT-UVF
20h 03m1 stop
American Airlines Logo
3:50 pm - 11:26 pmUVF-SAT
9h 36m1 stop
$653American Airlines
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Wed, Mar 25 - Sun, Mar 29
American Airlines Logo
5:31 am - 1:30 pmSAT-UVF
6h 59m1 stop
American Airlines Logo
3:50 pm - 12:24 amUVF-SAT
9h 34m1 stop
$747American Airlines
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Wed, Mar 25 - Sun, Mar 29
American Airlines Logo
5:31 am - 1:30 pmSAT-UVF
6h 59m1 stop
American Airlines Logo
2:20 pm - 11:20 amUVF-SAT
22h 00m2 stops
$752American Airlines
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Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
6:20 pm - 1:19 pmSAT-UVF
16h 59m1 stop
American Airlines Logo
2:19 pm - 11:59 pmUVF-SAT
11h 40m1 stop
$777American Airlines
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Mon, Dec 22 - Fri, Dec 26
Delta Logo
5:10 am - 3:30 pmSAT-UVF
8h 20m1 stop
Delta Logo
4:50 pm - 10:06 amUVF-SAT
19h 16m1 stop
$918Delta
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Sun, Dec 21 - Fri, Dec 26
Delta Logo
5:10 am - 3:30 pmSAT-UVF
8h 20m1 stop
Delta Logo
4:50 pm - 12:38 amUVF-SAT
9h 48m1 stop
$968Delta
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Sat, Dec 20 - Fri, Dec 26
Delta Logo
6:13 pm - 3:30 pmSAT-UVF
19h 17m1 stop
Delta Logo
4:50 pm - 10:06 amUVF-SAT
19h 16m1 stop
$1,392Delta
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Mon, Dec 22 - Fri, Dec 26
Air Canada Logo
7:30 pm - 4:20 pmSAT-UVF
42h 50m2 stops
Air Canada Logo
5:15 pm - 10:54 pmUVF-SAT
31h 39m2 stops
$1,919Air Canada
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Sat, Dec 20 - Fri, Dec 26
Air Canada Logo
11:28 am - 4:25 pmSAT-UVF
26h 57m2 stops
Air Canada Logo
5:15 pm - 10:54 pmUVF-SAT
31h 39m2 stops
$2,620Air Canada
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Booking Insights

KAYAK's insights & trends for San Antonio to Saint Lucia flights

Get data-powered insights and trends into flights from San Antonio to Saint Lucia to help you find the cheapest flights, the best time to fly and much more.

Which airlines fly non-stop between San Antonio and Saint Lucia?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from San Antonio to Saint Lucia.

There are 2 airlines that fly nonstop from San Antonio to Saint Lucia. They are American Airlines and Delta. The cheapest airline for this route is American Airlines, with the best round-trip deal found costing $574 and arriving in Castries (UVF). On average, American Airlines offers the best prices for nonstop flights between San Antonio and Saint Lucia.

Which airlines provide the cheapest flights from San Antonio to Saint Lucia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Antonio to Saint Lucia were found on American Airlines ($646) and Delta ($918).

Good to know

Cheapest flight$646
Most popular time to fly with an average 21% increase in price.
Flight from San Antonio to Castries

FAQs - booking Saint Lucia flights

  • How does KAYAK find such low prices on flights from San Antonio to Saint Lucia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Saint Lucia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Saint Lucia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Antonio to Saint Lucia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Saint Lucia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Antonio to Saint Lucia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Saint Lucia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Antonio to Saint Lucia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Saint Lucia?

    The cheapest time of day to fly to Saint Lucia is generally in the morning, when round-trip flights cost $776 on average. The most expensive time of day to fly to Saint Lucia is generally in the morning, which is peak travel time and where the average cost of a ticket is $776.

Reviews of the top airlines flying from San Antonio to Saint Lucia

 
Need help choosing which airline to fly with from San Antonio to Saint Lucia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8001 reviews
7.9Entertainment
7.9Comfort
7.3Food
8.5Crew
8.2Boarding
Airline reviews

I truly love flying with Delta. They have always treated me with the upmost respect

10.0 ExcellentMAYRA, Nov 2025JFK - MIA
Read more Delta reviews

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The aircraft interior is old and tired on this aircraft. The entertainment system never worked despite the crews attempt to reset the system.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Old plane and old configuration/seats but still comfortable for a morning flight

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

The only thing to like was that we eventually got to our destination

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

After we landed we sat on the tarmac for 1.5 hours waiting to get to our gate. Ridiculous.

We were delayed for a “couple of maintenance issues.” They were resolved rather quickly but a computer glitch caused someone in the airport to have to bring a physical copy of the paperwork so we could leave. I don’t know where they had to drive from to get to our plane but it took forever & we were 1 1/2 hrs late in leaving. The flight itself was fine.

We didn't take off until an hour after we boarded.

The flight was fine. This survey is not. There is no option for N/A so items which don’t apply to my experience still must be rated. In those instances I give a “3” rating which ultimately skews the results.

The actual trip was fine, however, the changes made to our flights and the layovers were had to endure were awful.

Flight from Dallas to OKC was good, but my trip was interrupted due to a delayed flight from Austin to DFW, which happens all the time. I frequently miss my connection from DFW and American can never seem to make this work!

Everything you need to know for your flight from San Antonio to Saint Lucia

Information on your arrival and departure airports

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