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Cheap flights from Houston to Castries from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Castries departing on 12/31. 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 Houston to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 3:05 pm
IAH
-
UVF
7h 35m1 stop
Delta Logo
4:25 pm - 11:57 pm
UVF
-
IAH
9h 32m1 stop
$443Delta
Mon, Jan 19 - Thu, Jan 22
American Airlines Logo
4:50 pm - 4:02 pm
IAH
-
UVF
21h 12m2 stops
American Airlines Logo
5:02 pm - 10:47 am
UVF
-
IAH
19h 45m2 stops
$448American Airlines
Mon, Jan 19 - Fri, Jan 23
American Airlines Logo
4:55 pm - 4:02 pm
HOU
-
UVF
21h 07m2 stops
American Airlines Logo
5:02 pm - 10:05 am
UVF
-
HOU
19h 03m2 stops
$448American Airlines
Mon, Jan 19 - Fri, Jan 23
American Airlines Logo
5:23 pm - 3:03 pm
IAH
-
UVF
19h 40m1 stop
American Airlines Logo
3:50 pm - 11:58 pm
UVF
-
IAH
10h 08m1 stop
$452American Airlines
Tue, Feb 10 - Thu, Feb 12
American Airlines Logo
6:36 pm - 3:03 pm
HOU
-
UVF
18h 27m2 stops
American Airlines Logo
5:02 pm - 10:05 am
UVF
-
HOU
19h 03m2 stops
$465American Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
5:22 am - 4:02 pm
IAH
-
UVF
8h 40m1 stop
American Airlines Logo
5:02 pm - 12:45 am
UVF
-
IAH
9h 43m1 stop
$473American Airlines
Thu, Jan 29 - Tue, Feb 3
American Airlines Logo
6:10 pm - 4:02 pm
IAH
-
UVF
19h 52m2 stops
American Airlines Logo
5:02 pm - 10:47 am
UVF
-
IAH
19h 45m2 stops
$478American Airlines
Thu, Jan 29 - Tue, Feb 3
American Airlines Logo
6:36 pm - 4:02 pm
HOU
-
UVF
19h 26m2 stops
American Airlines Logo
5:02 pm - 12:09 pm
UVF
-
HOU
21h 07m2 stops
$478American Airlines
Thu, Jan 29 - Tue, Feb 3
American Airlines Logo
6:10 pm - 4:02 pm
IAH
-
UVF
19h 52m2 stops
American Airlines Logo
5:00 pm - 11:38 am
UVF
-
IAH
20h 38m2 stops
$483American Airlines
Sun, Feb 1 - Sun, Feb 15
American Airlines Logo
6:36 pm - 4:02 pm
HOU
-
UVF
19h 26m2 stops
American Airlines Logo
5:00 pm - 11:47 am
UVF
-
HOU
20h 47m2 stops
$483American Airlines
Sun, Feb 1 - Sun, Feb 15

Delta flights from Houston to Castries

Our best Delta deals on Houston to Castries flight tickets
Delta
Jan 19
IAH5:30 amHouston George Bush Intcntl
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Jan 22
UVF4:25 pmCastries Hewanorra
9h 32m
1 stop
IAH11:57 pmHouston George Bush Intcntl
$443
Find similar
Delta
Apr 29
HOU6:00 amHouston Hobby
7h 08m
1 stop
UVF2:08 pmCastries Hewanorra
May 5
UVF3:20 pmCastries Hewanorra
19h 00m
1 stop
HOU9:20 amHouston Hobby
$949
Find similar
Delta
Dec 31
IAH6:00 amHouston George Bush Intcntl
7h 30m
1 stop
UVF3:30 pmCastries Hewanorra
Jan 8
UVF4:25 pmCastries Hewanorra
9h 31m
1 stop
IAH11:56 pmHouston George Bush Intcntl
$954
Find similar

American Airlines flights from Houston to Castries

Our best American Airlines deals on Houston to Castries flight tickets
American Airlines
Jan 19
IAH4:50 pmHouston George Bush Intcntl
21h 12m
2 stops
UVF4:02 pmCastries Hewanorra
Jan 23
UVF5:02 pmCastries Hewanorra
19h 45m
2 stops
IAH10:47 amHouston George Bush Intcntl
$448
Find similar
American Airlines
Feb 10
IAH5:23 pmHouston George Bush Intcntl
19h 40m
1 stop
UVF3:03 pmCastries Hewanorra
Feb 12
UVF3:50 pmCastries Hewanorra
10h 08m
1 stop
IAH11:58 pmHouston George Bush Intcntl
$452
Find similar
American Airlines
Jan 31
HOU6:36 pmHouston Hobby
18h 27m
2 stops
UVF3:03 pmCastries Hewanorra
Feb 7
UVF5:02 pmCastries Hewanorra
19h 03m
2 stops
HOU10:05 amHouston Hobby
$465
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 December 18, 2025.
Use the filters below to find and compare flights from Houston to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 1/19

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

Thu 1/22

4:25 pm-11:57 pm

1 stop9h 32m

$443

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 1/19

4:50 pm-4:02 pm

2 stops21h 12m

Castries Hewanorra

Fri 1/23

5:02 pm-10:47 am

2 stops19h 45m

$448

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Mon 1/19

4:55 pm-4:02 pm

2 stops21h 07m

Castries Hewanorra

Fri 1/23

5:02 pm-10:05 am

2 stops19h 03m

$448

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Tue 2/10

5:23 pm-3:03 pm

1 stop19h 40m

Castries Hewanorra

Thu 2/12

3:50 pm-11:58 pm

1 stop10h 08m

$452

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Sat 1/31

6:36 pm-3:03 pm

2 stops18h 27m

Castries Hewanorra

Sat 2/7

5:02 pm-10:05 am

2 stops19h 03m

$465

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 1/29

5:22 am-4:02 pm

1 stop8h 40m

Castries Hewanorra

Tue 2/3

5:02 pm-12:45 am

1 stop9h 43m

$473

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 1/29

6:10 pm-4:02 pm

2 stops19h 52m

Castries Hewanorra

Tue 2/3

5:02 pm-10:47 am

2 stops19h 45m

$478

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Thu 1/29

6:36 pm-4:02 pm

2 stops19h 26m

Castries Hewanorra

Tue 2/3

5:02 pm-12:09 pm

2 stops21h 07m

$478

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sun 2/1

6:10 pm-4:02 pm

2 stops19h 52m

Castries Hewanorra

Sun 2/15

5:00 pm-11:38 am

2 stops20h 38m

$483

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Sun 2/1

6:36 pm-4:02 pm

2 stops19h 26m

Castries Hewanorra

Sun 2/15

5:00 pm-11:47 am

2 stops20h 47m

$483

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 Houston 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 March is, on average, the cheapest month to fly to Castries from Houston, with most prices found around $558. The month of August is another great option to travel to Castries, with average flight prices from Houston averaging around $595.

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

The cheapest day to depart from Houston to Castries is on a Sunday when prices can be found for as low as $551. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $772. 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 evening. momondo users have found flights departing from Houston to Castries in the evening for as low as $598. 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 $778. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Houston to Castries flight deals and tips

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

Fastest flight time

7h 04m

Direct flights

None
The fastest flight from Houston to Castries takes 7h 04m
There are no direct flights from Houston to Castries. There are no popular flight routes from Houston to Castries.
Search flight deals

  • How far is Houston to Castries Hewanorra by plane?

    Castries Hewanorra is 2442.8 mi away from Houston. Typically, this will take 7h 04m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston 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.

Best airlines flying from Houston to Castries

Compare and see reviews for airlines that fly from Houston to Castries with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $505Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $553Free CancellationRating
7.2
11,054 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 Houston to Castries?

Finding the right flight to Castries from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Castries quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Castries from Houston with this policy.

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

Once all potential Houston to Castries flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Houston to Castries flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport