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Cheap flights from Austin to Castries from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Castries departing on 1/3. 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

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Find the cheapest flights from Austin to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
1:30 pm - 3:15 pmAUS-UVF
23h 45m2 stops
JetBlue Logo
4:50 pm - 10:16 pmUVF-AUS
31h 26m2 stops
$531JetBlue
Find Deal
Mon, Jan 26 - Fri, Jan 30
Delta Logo
5:30 am - 3:05 pmAUS-UVF
7h 35m1 stop
Delta Logo
4:25 pm - 9:48 amUVF-AUS
19h 23m1 stop
$591Delta
Find Deal
Mon, Feb 2 - Wed, Feb 11
American Airlines Logo
5:49 pm - 3:24 pmAUS-UVF
19h 35m2 stops
American Airlines Logo
5:02 pm - 12:25 amUVF-AUS
9h 23m1 stop
$596American Airlines
Find Deal
Sat, Feb 28 - Fri, Mar 6
American Airlines Logo
5:51 pm - 3:24 pmAUS-UVF
19h 33m1 stop
American Airlines Logo
5:02 pm - 12:25 amUVF-AUS
9h 23m1 stop
$602American Airlines
Find Deal
Sat, Feb 28 - Fri, Mar 6
Delta Logo
5:30 am - 3:05 pmAUS-UVF
7h 35m1 stop
Delta Logo
4:25 pm - 12:20 amUVF-AUS
9h 55m1 stop
$616Delta
Find Deal
Fri, Jan 30 - Wed, Feb 4
American Airlines Logo
6:09 pm - 2:10 pmAUS-UVF
18h 01m1 stop
American Airlines Logo
5:02 pm - 9:36 amUVF-AUS
18h 34m2 stops
$621American Airlines
Find Deal
Fri, Jan 30 - Wed, Feb 4
JetBlue Logo
12:42 pm - 2:57 pmAUS-UVF
24h 15m2 stops
JetBlue Logo
4:57 pm - 10:08 pmUVF-AUS
31h 11m2 stops
$625JetBlue
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
5:30 am - 3:05 pmAUS-UVF
7h 35m1 stop
Delta Logo
4:24 pm - 9:48 amUVF-AUS
19h 24m1 stop
$626Delta
Find Deal
Tue, Feb 3 - Thu, Feb 12
American Airlines Logo
4:48 pm - 1:15 pmAUS-UVF
19h 27m2 stops
American Airlines Logo
4:05 pm - 7:20 pmUVF-AUS
28h 15m1 stop
$631American Airlines
Find Deal
Fri, Apr 17 - Tue, Apr 21
American Airlines Logo
6:09 pm - 2:10 pmAUS-UVF
18h 01m1 stop
American Airlines Logo
5:02 pm - 12:37 amUVF-AUS
9h 35m1 stop
$641American Airlines
Find Deal
Fri, Jan 23 - Sat, Jan 31

Delta flights from Austin to Castries

Our best Delta deals on Austin to Castries flight tickets
Delta
Feb 2
AUS5:30 amAustin Bergstrom
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 11
UVF4:25 pmCastries Hewanorra
19h 23m
1 stop
AUS9:48 amAustin Bergstrom
$591
Find similar
Delta
Jan 30
AUS5:30 amAustin Bergstrom
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 4
UVF4:25 pmCastries Hewanorra
9h 55m
1 stop
AUS12:20 amAustin Bergstrom
$616
Find similar
Delta
Feb 3
AUS5:30 amAustin Bergstrom
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 12
UVF4:24 pmCastries Hewanorra
19h 24m
1 stop
AUS9:48 amAustin Bergstrom
$626
Find similar

American Airlines flights from Austin to Castries

Our best American Airlines deals on Austin to Castries flight tickets
American Airlines
Feb 28
AUS5:49 pmAustin Bergstrom
19h 35m
2 stops
UVF3:24 pmCastries Hewanorra
Mar 6
UVF5:02 pmCastries Hewanorra
9h 23m
1 stop
AUS12:25 amAustin Bergstrom
$596
Find similar
American Airlines
Feb 28
AUS5:51 pmAustin Bergstrom
19h 33m
1 stop
UVF3:24 pmCastries Hewanorra
Mar 6
UVF5:02 pmCastries Hewanorra
9h 23m
1 stop
AUS12:25 amAustin Bergstrom
$602
Find similar
American Airlines
Jan 30
AUS6:09 pmAustin Bergstrom
18h 01m
1 stop
UVF2:10 pmCastries Hewanorra
Feb 4
UVF5:02 pmCastries Hewanorra
18h 34m
2 stops
AUS9:36 amAustin Bergstrom
$621
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 November 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

Mon 1/26

1:30 pm-3:15 pm

2 stops23h 45m

Castries Hewanorra

Fri 1/30

4:50 pm-10:16 pm

2 stops31h 26m

$531

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 2/2

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Wed 2/11

4:25 pm-9:48 am

1 stop19h 23m

$591

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 2/28

5:49 pm-3:24 pm

2 stops19h 35m

Castries Hewanorra

Fri 3/6

5:02 pm-12:25 am

1 stop9h 23m

$596

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 2/28

5:51 pm-3:24 pm

1 stop19h 33m

Castries Hewanorra

Fri 3/6

5:02 pm-12:25 am

1 stop9h 23m

$602

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Fri 1/30

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Wed 2/4

4:25 pm-12:20 am

1 stop9h 55m

$616

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Fri 1/30

6:09 pm-2:10 pm

1 stop18h 01m

Castries Hewanorra

Wed 2/4

5:02 pm-9:36 am

2 stops18h 34m

$621

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 12/8

12:42 pm-2:57 pm

2 stops24h 15m

Castries Hewanorra

Thu 12/11

4:57 pm-10:08 pm

2 stops31h 11m

$625

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 2/3

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Thu 2/12

4:24 pm-9:48 am

1 stop19h 24m

$626

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Fri 4/17

4:48 pm-1:15 pm

2 stops19h 27m

Castries Hewanorra

Tue 4/21

4:05 pm-7:20 pm

1 stop28h 15m

$631

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Fri 1/23

6:09 pm-2:10 pm

1 stop18h 01m

Castries Hewanorra

Sat 1/31

5:02 pm-12:37 am

1 stop9h 35m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January is, on average, the cheapest month to fly to Castries from Austin, with most prices found around $574. The month of November is another great option to travel to Castries, with average flight prices from Austin averaging around $616.

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

Direct flights

None
There are no direct flights from Austin to Castries. There are no popular flight routes from Austin to Castries.
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  • 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 28m.

  • 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 $574Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $581Free CancellationRating
7.9
8,003 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.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport