Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Austin to Castries from $596

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Castries departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Austin to Castries

Cheap round-trip flights

American Airlines Logo
6:57 pm - 3:00 pmAUS-UVF
19h 03m2 stops
American Airlines Logo
2:56 pm - 11:59 pmUVF-AUS
10h 03m1 stop
$596American Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
American Airlines Logo
6:29 pm - 3:00 pmAUS-UVF
19h 31m1 stop
American Airlines Logo
4:00 pm - 11:59 pmUVF-AUS
8h 59m1 stop
$603American Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
American Airlines Logo
6:13 am - 3:50 pmAUS-UVF
7h 37m1 stop
American Airlines Logo
3:35 pm - 12:21 amUVF-AUS
10h 46m1 stop
$616American Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Delta Logo
5:35 am - 2:15 pmAUS-UVF
7h 40m1 stop
Delta Logo
3:35 pm - 12:18 amUVF-AUS
9h 43m1 stop
$617Delta
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:32 pm - 3:50 pmAUS-UVF
20h 18m2 stops
American Airlines Logo
4:50 pm - 12:21 amUVF-AUS
9h 31m1 stop
$621American Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
American Airlines Logo
4:41 pm - 2:17 pmAUS-UVF
20h 36m2 stops
American Airlines Logo
3:17 pm - 11:38 amUVF-AUS
21h 21m2 stops
$622American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:32 am - 3:50 pmAUS-UVF
8h 18m1 stop
American Airlines Logo
4:04 pm - 8:28 amUVF-AUS
18h 24m2 stops
$626American Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
American Airlines Logo
5:20 am - 3:00 pmAUS-UVF
8h 40m1 stop
American Airlines Logo
4:00 pm - 11:59 pmUVF-AUS
8h 59m1 stop
$646American Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
American Airlines Logo
7:31 pm - 3:00 pmAUS-UVF
18h 29m2 stops
American Airlines Logo
2:56 pm - 9:37 amUVF-AUS
19h 41m2 stops
$651American Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Delta Logo
6:20 pm - 2:15 pmAUS-UVF
18h 55m1 stop
Delta Logo
3:35 pm - 12:18 amUVF-AUS
9h 43m1 stop
$704Delta
Find Deal
Mon, Aug 25 - Fri, Aug 29

American Airlines flights from Austin to Castries

Our best American Airlines deals on Austin to Castries flight tickets
American Airlines
Oct 25
AUS6:57 pmAustin Bergstrom
19h 03m
2 stops
UVF3:00 pmCastries Hewanorra
Oct 31
UVF2:56 pmCastries Hewanorra
10h 03m
1 stop
AUS11:59 pmAustin Bergstrom
$596
Find similar
American Airlines
Oct 25
AUS6:29 pmAustin Bergstrom
19h 31m
1 stop
UVF3:00 pmCastries Hewanorra
Oct 31
UVF4:00 pmCastries Hewanorra
8h 59m
1 stop
AUS11:59 pmAustin Bergstrom
$603
Find similar
American Airlines
Jan 29
AUS6:13 amAustin Bergstrom
7h 37m
1 stop
UVF3:50 pmCastries Hewanorra
Feb 4
UVF3:35 pmCastries Hewanorra
10h 46m
1 stop
AUS12:21 amAustin Bergstrom
$616
Find similar

Delta flights from Austin to Castries

Our best Delta deals on Austin to Castries flight tickets
Delta
Sep 2
AUS5:35 amAustin Bergstrom
7h 40m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 9
UVF3:35 pmCastries Hewanorra
9h 43m
1 stop
AUS12:18 amAustin Bergstrom
$617
Find similar
Delta
Aug 25
AUS6:20 pmAustin Bergstrom
18h 55m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 29
UVF3:35 pmCastries Hewanorra
9h 43m
1 stop
AUS12:18 amAustin Bergstrom
$704
Find similar
Delta
Aug 25
AUS6:20 pmAustin Bergstrom
18h 55m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 29
UVF3:35 pmCastries Hewanorra
19h 05m
1 stop
AUS9:40 amAustin Bergstrom
$711
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Castries 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, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Austin to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 10/25

6:57 pm-3:00 pm

2 stops19h 03m

Castries Hewanorra

Fri 10/31

2:56 pm-11:59 pm

1 stop10h 03m

$596

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 10/25

6:29 pm-3:00 pm

1 stop19h 31m

Castries Hewanorra

Fri 10/31

4:00 pm-11:59 pm

1 stop8h 59m

$603

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Thu 1/29

6:13 am-3:50 pm

1 stop7h 37m

Castries Hewanorra

Wed 2/4

3:35 pm-12:21 am

1 stop10h 46m

$616

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 9/2

5:35 am-2:15 pm

1 stop7h 40m

Castries Hewanorra

Tue 9/9

3:35 pm-12:18 am

1 stop9h 43m

$617

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Thu 1/29

5:32 pm-3:50 pm

2 stops20h 18m

Castries Hewanorra

Wed 2/4

4:50 pm-12:21 am

1 stop9h 31m

$621

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 9/2

4:41 pm-2:17 pm

2 stops20h 36m

Castries Hewanorra

Tue 9/9

3:17 pm-11:38 am

2 stops21h 21m

$622

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 11/17

5:32 am-3:50 pm

1 stop8h 18m

Castries Hewanorra

Sun 11/23

4:04 pm-8:28 am

2 stops18h 24m

$626

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Thu 10/16

5:20 am-3:00 pm

1 stop8h 40m

Castries Hewanorra

Sun 10/19

4:00 pm-11:59 pm

1 stop8h 59m

$646

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Thu 10/16

7:31 pm-3:00 pm

2 stops18h 29m

Castries Hewanorra

Sun 10/19

2:56 pm-9:37 am

2 stops19h 41m

$651

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 8/25

6:20 pm-2:15 pm

1 stop18h 55m

Castries Hewanorra

Fri 8/29

3:35 pm-12:18 am

1 stop9h 43m

$704

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Castries from

How to get the cheapest flight ticket from Austin to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Castries?

The month of August is, on average, the cheapest month to fly to Castries from Austin, with most prices found around $462. The month of January is another great option to travel to Castries, with average flight prices from Austin averaging around $574.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Austin to Castries is on a Thursday when prices can be found for as low as $604. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,033. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the afternoon. momondo users have found flights departing from Austin to Castries in the afternoon for as low as $478. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $708. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Austin to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Castries (AUS to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Castries

Best Price Found

$596

Fastest flight time

7h 37m

Direct flights

None

Airports in Castries

1 airport
The best flight deal from Austin to Castries found on momondo in the last 72 hours is $596
The fastest flight from Austin to Castries takes 7h 37m
There are no direct flights from Austin to Castries. Popular non-direct route for this connection is Austin Bergstrom Airport - Castries Hewanorra Airport.
There is 1 airport near Castries: Castries Hewanorra (UVF)
Search flight deals

  • How far is Austin Bergstrom to Castries Hewanorra by plane?

    The straight-line distance from Austin Bergstrom to Castries Hewanorra is 2589.1 mi. By plane, this route typically takes 7h 37m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Castries Hewanorra Airport?

    Prices for flights from Austin Bergstrom Airport to Castries Hewanorra Airport are updated daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Castries Hewanorra Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents you'll need for your trip to Castries Hewanorra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries Hewanorra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Austin to Castries?

Best airlines flying from Austin to Castries

Compare and see reviews for airlines that fly from Austin to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $549Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $591Free CancellationRating
8.0
7,987 reviews
Search Delta flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Castries?

It is quick and easy to find Austin to Castries flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Castries that suits you.

Can I find flights from Austin to Castries with flexible booking policies on momondo?

Flights from Austin to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austin to Castries?

momondo provides multiple filters to help you find the best flight to Castries from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Austin to Castries right now. Can momondo alert me if prices change?

Price alerts on flights to Castries from Austin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Castries trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/9
Sat 8/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport