Cheap Flights from San Antonio International to St Lucia Hewanorra from $1,286

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Flight deals from San Antonio International to St Lucia Hewanorra

Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to St Lucia Hewanorra Airport? If you want to travel next month, return fares start from $1,314. Find the lowest prices on one-way and return tickets right here.

Castries.$1,287 per passenger.Departing Fri, 6 Nov, returning Wed, 11 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Fri, 6 Nov, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Wed, 11 Nov, arriving in San Antonio International.Price includes taxes and charges.From $1,287, select.

Castries.$1,314 per passenger.Departing Thu, 18 Jun, returning Wed, 24 Jun.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from San Antonio International on Thu, 18 Jun, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departs from St Lucia Hewanorra on Wed, 24 Jun, arriving in San Antonio International.Price includes taxes and charges.From $1,314, select.

Castries.$1,409 per passenger.Departing Fri, 3 Jul, returning Fri, 10 Jul.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from San Antonio International on Fri, 3 Jul, arriving in St Lucia Hewanorra.Inbound indirect flight with American Airlines, departs from St Lucia Hewanorra on Fri, 10 Jul, arriving in San Antonio International.Price includes taxes and charges.From $1,409, select.

Castries.$1,492 per passenger.Departing Thu, 30 Jul, returning Wed, 5 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Thu, 30 Jul, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Wed, 5 Aug, arriving in San Antonio International.Price includes taxes and charges.From $1,492, select.

Castries.$1,496 per passenger.Departing Wed, 2 Dec, returning Mon, 7 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Wed, 2 Dec, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Mon, 7 Dec, arriving in San Antonio International.Price includes taxes and charges.From $1,496, select.

Castries.$1,626 per passenger.Departing Tue, 8 Sep, returning Tue, 15 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Tue, 8 Sep, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Tue, 15 Sep, arriving in San Antonio International.Price includes taxes and charges.From $1,626, select.

Castries.$1,774 per passenger.Departing Mon, 19 Oct, returning Fri, 23 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 19 Oct, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Fri, 23 Oct, arriving in San Antonio International.Price includes taxes and charges.From $1,774, select.

Castries.$1,884 per passenger.Departing Thu, 6 Aug, returning Mon, 10 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Thu, 6 Aug, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Mon, 10 Aug, arriving in San Antonio International.Price includes taxes and charges.From $1,884, select.

Castries.$2,725 per passenger.Departing Fri, 5 Mar, returning Sat, 13 Mar.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Fri, 5 Mar, arriving in St Lucia Hewanorra.Inbound indirect flight with United, departs from St Lucia Hewanorra on Sat, 13 Mar, arriving in San Antonio International.Price includes taxes and charges.From $2,725, select.

Castries.$3,967 per passenger.Departing Sun, 27 Dec, returning Sat, 2 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Sun, 27 Dec, arriving in St Lucia Hewanorra.Inbound indirect flight with Delta, departs from St Lucia Hewanorra on Sat, 2 Jan, arriving in San Antonio International.Price includes taxes and charges.From $3,967, select.

Find the cheapest month to fly from San Antonio International to St Lucia Hewanorra

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to St Lucia Hewanorra flights are currently cheapest in November.

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San Antonio International to St Lucia Hewanorra: Alternative routes

Compare routes from San Antonio International to Castries below. You may find an airport to fly into that's cheaper, faster, or easier than St Lucia Hewanorra.

St Lucia Vigie

1km from central Castries

Closest

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St Lucia Hewanorra

31km from central Castries

Cheapest

from $1,287

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San Antonio to Castries: Flight information

The things to know before you go.

Cheapest flight found	$1,286
Cheapest month to fly	November

Finding cheap flights from San Antonio International to St Lucia Hewanorra: Frequently asked questions

How much are return flights from San Antonio International to St Lucia Hewanorra?

The best price we found for a return flight from San Antonio International to St Lucia Hewanorra is $1,286. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from San Antonio International to St Lucia Hewanorra?

Currently, there are no airlines that fly direct from San Antonio International to St Lucia Hewanorra. But we found flights with one or more stops from $1,287.

How many flights are there a week from San Antonio International to St Lucia Hewanorra?

As of May 2026, there are no flights flying from San Antonio International to St Lucia Hewanorra.

When is the cheapest time to fly from San Antonio International to St Lucia Hewanorra?

The cheapest month to fly from San Antonio International to St Lucia Hewanorra is usually November.

Which upcoming date is cheapest to fly from San Antonio International Airport to St Lucia Hewanorra Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to St Lucia Hewanorra Airport on Friday, 6 November 2026.

Can I get a direct flight from San Antonio International Airport to St Lucia Hewanorra Airport?

No airlines currently offer direct flights between San Antonio International Airport and St Lucia Hewanorra Airport. Most routes have one or more stops.

How can I find the best flight deal to St Lucia Hewanorra?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Lucia Hewanorra but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Castries?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from San Antonio International Airport to St Lucia Hewanorra with?

Currently, Delta offers the cheapest flight tickets to St Lucia Hewanorra.

Travelling from San Antonio International Airport (SAT) to Hewanorra Airport (UVF): what you need to know

Castries is one hour ahead of San Antonio and follows the UTC-4 timezone.
Arrive at the airport on time so you don't miss your SAT to UVF flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.
Be prepared for longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.
We make it easy to book a flight with a stopover. To see all your options for tickets from San Antonio International Airport to Hewanorra Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to visit your chosen city. Stopovers between SAT and UVF include:
- Hartsfield-Jackson Atlanta International Airport
- Miami International Airport
- Charlotte Douglas International Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Hewanorra Airport (UVF)

Right now, $642 is the lowest price we've found for a one-way San Antonio International Airport to Hewanorra Airport flight. The best price for a return ticket is $1,286. Keep in mind that fares can change due to demand when booking.
To find cheap tickets from SAT to UVF, book in advance. Airlines usually offer their best fares when flights are first made available.
If you're flexible with your trip dates, use the 'Whole month' search function. It'll show you the lowest price across every month when searching for your flight from San Antonio International Airport to Hewanorra Airport.
Getting your hands on cheap flights from SAT to UVF is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as fares go down.
Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from San Antonio International Airport to Hewanorra Airport.

Handy information about San Antonio International Airport (SAT)

You'll find SAT at 9800 Airport Boulevard.
83.17% of flights departing from San Antonio International Airport touch down at their destination as planned. With its solid on-time performance, delays are unlikely when jetting out of SAT.
To reach San Antonio International Airport from central San Antonio, it'll take about 20 minutes by car. This depends on traffic though. It's approximately 19 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 1 hour 30 minutes.
Have an early flight from San Antonio International Airport to Hewanorra Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near SAT:

Arriving at Hewanorra Airport (UVF)

Book a hotel near UVF if you're catching a late San Antonio International Airport to Hewanorra Airport flight. Settle into one of these options and skip the long transfer:
Pick up a Hewanorra Airport rental car and discover Castries and beyond with your own set of wheels. Drive A Matic, Sixt and Final Rentals are popular providers you can book with here.
For the lowest price, reserve your vehicle from Hewanorra Airport around one week before you set off.

Getting from Hewanorra Airport (UVF) to central Castries

Hewanorra Airport to central Castries has a drive time of around 1 hour 10 minutes. It's approximately 56 kilometres away.

When to fly to Hewanorra Airport (UVF)

March is the most popular month for flights from San Antonio International Airport to Hewanorra Airport. To steer clear of the crowds, travel to Castries in May.
Lock in your flight from San Antonio International Airport to Hewanorra Airport for September if you want to go to Castries during its warmest month. You can expect temperatures of between 26ºC and 30ºC.
Look for cheap tickets from SAT to UVF in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 24ºC and 28ºC on average.

Explore more of Saint Lucia

You've visited Castries, now it's time to explore other corners of Saint Lucia. Travel about 32 kilometres south to Vieux Fort to tick off its top sights. From Maria Islands Museum to Anse Des Sables Beach and YoungFaith Park, your itinerary will be busy.
Next stop? Set out for Micoud. It's about 24 kilometres south-east of Castries and boasts highlights including Josephine Splash Park and Ti Rocher Community Park.