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Cheap flights from Austin to Castries from $378

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 7/16. 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.
American Airlines Logo
5:15 am - 2:58 pm
AUS
-
UVF
8h 43m
1 stop
American Airlines Logo
3:58 pm - 12:09 am
UVF
-
AUS
9h 11m
1 stop
$663American Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
5:39 pm - 2:58 pm
AUS
-
UVF
20h 19m
2 stops
American Airlines Logo
2:48 pm - 12:09 am
UVF
-
AUS
10h 21m
1 stop
$668American Airlines
Mon, Mar 23 - Mon, Mar 30
American Airlines Logo
6:26 pm - 2:48 pm
AUS
-
UVF
18h 22m
1 stop
American Airlines Logo
3:48 pm - 12:18 am
UVF
-
AUS
10h 30m
1 stop
$683American Airlines
Sat, Feb 28 - Fri, Mar 6
American Airlines Logo
5:52 pm - 3:58 pm
AUS
-
UVF
20h 06m
2 stops
American Airlines Logo
4:58 pm - 12:18 am
UVF
-
AUS
9h 20m
1 stop
$688American Airlines
Sat, Feb 28 - Fri, Mar 6
American Airlines Logo
5:03 am - 3:04 pm
AUS
-
UVF
9h 01m
1 stop
American Airlines Logo
3:58 pm - 11:57 am
UVF
-
AUS
20h 59m
2 stops
$693American Airlines
Tue, Jun 9 - Thu, Jun 18
American Airlines Logo
5:03 am - 3:04 pm
AUS
-
UVF
9h 01m
1 stop
American Airlines Logo
3:10 pm - 4:55 pm
UVF
-
AUS
26h 45m
1 stop
$699American Airlines
Tue, Jun 9 - Thu, Jun 18
American Airlines Logo
5:45 pm - 1:58 pm
AUS
-
UVF
19h 13m
2 stops
American Airlines Logo
3:58 pm - 10:46 am
UVF
-
AUS
19h 48m
2 stops
$706American Airlines
Tue, Jun 9 - Thu, Jun 18
American Airlines Logo
5:03 am - 3:04 pm
AUS
-
UVF
9h 01m
1 stop
American Airlines Logo
3:10 pm - 4:55 pm
UVF
-
AUS
26h 45m
1 stop
$713American Airlines
Tue, Jun 9 - Thu, Jun 18
Multiple Airlines Logo
4:59 pm - 3:25 pm
AUS
-
UVF
45h 26m
3 stops
Multiple Airlines Logo
4:20 pm - 11:59 pm
UVF
-
AUS
32h 39m
2 stops
$728Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
4:59 pm - 3:25 pm
AUS
-
UVF
45h 26m
3 stops
Multiple Airlines Logo
4:20 pm - 11:59 pm
UVF
-
AUS
32h 39m
3 stops
$732Multiple Airlines
Mon, Mar 23 - Mon, Mar 30

Air Canada flights from Austin to Castries

Our best Air Canada deals on Austin to Castries flight tickets
Air Canada
May 21
AUS11:55 amAustin Bergstrom
25h 10m
1 stop
UVF2:05 pmCastries Hewanorra
May 26
UVF3:15 pmCastries Hewanorra
20h 38m
1 stop
AUS10:53 amAustin Bergstrom
$768
Air Canada
Apr 19
AUS12:55 pmAustin Bergstrom
25h 25m
1 stop
UVF3:20 pmCastries Hewanorra
Apr 26
UVF4:05 pmCastries Hewanorra
20h 55m
1 stop
AUS12:00 pmAustin Bergstrom
$769
Air Canada
May 21
AUS11:55 amAustin Bergstrom
25h 10m
1 stop
UVF2:05 pmCastries Hewanorra
May 26
UVF3:15 pmCastries Hewanorra
20h 38m
1 stop
AUS10:53 amAustin Bergstrom
$770

American Airlines flights from Austin to Castries

Our best American Airlines deals on Austin to Castries flight tickets
American Airlines
Mar 23
AUS5:15 amAustin Bergstrom
8h 43m
1 stop
UVF2:58 pmCastries Hewanorra
Mar 30
UVF3:58 pmCastries Hewanorra
9h 11m
1 stop
AUS12:09 amAustin Bergstrom
$663
American Airlines
Mar 23
AUS5:39 pmAustin Bergstrom
20h 19m
2 stops
UVF2:58 pmCastries Hewanorra
Mar 30
UVF2:48 pmCastries Hewanorra
10h 21m
1 stop
AUS12:09 amAustin Bergstrom
$668
American Airlines
Feb 28
AUS6:26 pmAustin Bergstrom
18h 22m
1 stop
UVF2:48 pmCastries Hewanorra
Mar 6
UVF3:48 pmCastries Hewanorra
10h 30m
1 stop
AUS12:18 amAustin Bergstrom
$683

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 February 7, 2026.
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 3/23

5:15 am-2:58 pm

1 stop8h 43m

Castries Hewanorra

Mon 3/30

3:58 pm-12:09 am

1 stop9h 11m

$663

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 3/23

5:39 pm-2:58 pm

2 stops20h 19m

Castries Hewanorra

Mon 3/30

2:48 pm-12:09 am

1 stop10h 21m

$668

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 2/28

6:26 pm-2:48 pm

1 stop18h 22m

Castries Hewanorra

Fri 3/6

3:48 pm-12:18 am

1 stop10h 30m

$683

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Sat 2/28

5:52 pm-3:58 pm

2 stops20h 06m

Castries Hewanorra

Fri 3/6

4:58 pm-12:18 am

1 stop9h 20m

$688

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 6/9

5:03 am-3:04 pm

1 stop9h 01m

Castries Hewanorra

Thu 6/18

3:58 pm-11:57 am

2 stops20h 59m

$693

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 6/9

5:03 am-3:04 pm

1 stop9h 01m

Castries Hewanorra

Thu 6/18

3:10 pm-4:55 pm

1 stop26h 45m

$699

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 6/9

5:45 pm-1:58 pm

2 stops19h 13m

Castries Hewanorra

Thu 6/18

3:58 pm-10:46 am

2 stops19h 48m

$706

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Tue 6/9

5:03 am-3:04 pm

1 stop9h 01m

Castries Hewanorra

Thu 6/18

3:10 pm-4:55 pm

1 stop26h 45m

$713

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 3/23

4:59 pm-3:25 pm

3 stops45h 26m

Castries Hewanorra

Mon 3/30

4:20 pm-11:59 pm

2 stops32h 39m

$728

AustinCastries

AUS - UVF

AUSUVF

Austin Bergstrom

Mon 3/23

4:59 pm-3:25 pm

3 stops45h 26m

Castries Hewanorra

Mon 3/30

4:20 pm-11:59 pm

3 stops32h 39m

$732

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 $631. The month of November is another great option to travel to Castries, with average flight prices from Austin averaging around $697.

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

Fastest flight time

7h 25m

Direct flights

None
The fastest flight from Austin to Castries takes 7h 25m
There are no direct flights from Austin to Castries. There are no popular flight routes from Austin to Castries.
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 25m.

  • 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
DeltaPriceFrom $591Free CancellationRating
7.9
8,172 reviews
Search Delta flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,249 reviews
Search American Airlines 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

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport