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Cheap flights from Houston to Castries from $227

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 8/24. 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
6:00 am - 2:08 pm
HOU
-
UVF
7h 08m
1 stop
Delta Logo
3:28 pm - 9:15 am
UVF
-
HOU
18h 47m
1 stop
$638Delta
Wed, Aug 26 - Wed, Sep 2
Air Canada Logo
11:50 am - 3:25 pm
IAH
-
UVF
26h 35m
1 stop
Air Canada Logo
3:05 pm - 11:01 am
UVF
-
IAH
20h 56m
1 stop
$642Air Canada
Wed, Apr 29 - Tue, May 5
American Airlines Logo
6:18 pm - 1:25 pm
IAH
-
UVF
18h 07m
2 stops
American Airlines Logo
4:00 pm - 12:19 am
UVF
-
IAH
9h 19m
1 stop
$643American Airlines
Mon, Oct 5 - Wed, Oct 14
Air Canada Logo
11:50 am - 3:25 pm
IAH
-
UVF
26h 35m
2 stops
Air Canada Logo
3:05 pm - 11:01 am
UVF
-
IAH
20h 56m
1 stop
$646Air Canada
Wed, Apr 29 - Tue, May 5
Multiple Airlines Logo
7:15 am - 2:10 pm
IAH
-
UVF
29h 55m
2 stops
Multiple Airlines Logo
3:05 pm - 11:09 pm
UVF
-
IAH
33h 04m
2 stops
$647Multiple Airlines
Thu, Jun 4 - Tue, Aug 4
Multiple Airlines Logo
7:15 am - 2:10 pm
IAH
-
UVF
29h 55m
2 stops
Multiple Airlines Logo
3:05 pm - 11:09 pm
UVF
-
IAH
33h 04m
3 stops
$648Multiple Airlines
Thu, Jun 4 - Tue, Aug 4
Air Canada Logo
7:20 am - 2:05 pm
IAH
-
UVF
29h 45m
1 stop
Air Canada Logo
3:05 pm - 11:11 pm
UVF
-
IAH
33h 06m
1 stop
$652Air Canada
Mon, May 11 - Fri, May 15
Delta Logo
5:55 am - 2:08 pm
IAH
-
UVF
7h 13m
1 stop
Delta Logo
3:28 pm - 11:51 pm
UVF
-
IAH
9h 23m
1 stop
$663Delta
Fri, Aug 21 - Wed, Sep 2
American Airlines Logo
6:09 pm - 2:15 pm
IAH
-
UVF
19h 06m
2 stops
American Airlines Logo
3:09 pm - 9:36 am
UVF
-
IAH
19h 27m
2 stops
$668American Airlines
Fri, Aug 21 - Wed, Sep 2
JetBlue Logo
5:44 pm - 12:50 pm
IAH
-
UVF
18h 06m
1 stop
JetBlue Logo
4:55 pm - 11:06 am
UVF
-
IAH
19h 11m
1 stop
$669JetBlue
Wed, May 27 - Fri, May 29

Air Canada flights from Houston to Castries

Our best Air Canada deals on Houston to Castries flight tickets
Air Canada
Apr 15
IAH11:50 amHouston George Bush Intcntl
26h 35m
1 stop
UVF3:25 pmCastries Hewanorra
Apr 17
UVF4:15 pmCastries Hewanorra
19h 45m
1 stop
IAH11:00 amHouston George Bush Intcntl
$612
Air Canada
Apr 15
IAH11:50 amHouston George Bush Intcntl
26h 35m
2 stops
UVF3:25 pmCastries Hewanorra
Apr 17
UVF4:15 pmCastries Hewanorra
19h 45m
1 stop
IAH11:00 amHouston George Bush Intcntl
$626
Air Canada
Apr 29
IAH11:50 amHouston George Bush Intcntl
26h 35m
1 stop
UVF3:25 pmCastries Hewanorra
May 5
UVF3:05 pmCastries Hewanorra
20h 56m
1 stop
IAH11:01 amHouston George Bush Intcntl
$642

American Airlines flights from Houston to Castries

Our best American Airlines deals on Houston to Castries flight tickets
American Airlines
Oct 5
IAH6:18 pmHouston George Bush Intcntl
18h 07m
2 stops
UVF1:25 pmCastries Hewanorra
Oct 14
UVF2:20 pmCastries Hewanorra
19h 22m
2 stops
IAH8:42 amHouston George Bush Intcntl
$643
American Airlines
Aug 21
IAH5:30 amHouston George Bush Intcntl
7h 39m
1 stop
UVF2:09 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
18h 39m
1 stop
IAH8:54 amHouston George Bush Intcntl
$663
American Airlines
Jul 5
IAH5:15 amHouston George Bush Intcntl
7h 45m
1 stop
UVF2:00 pmCastries Hewanorra
Jul 9
UVF1:08 pmCastries Hewanorra
9h 23m
1 stop
IAH9:31 pmHouston George Bush Intcntl
$668

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 April 14, 2026.
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

Cheapest round-trip

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Wed 8/26

6:00 am-2:08 pm

1 stop7h 08m

Castries Hewanorra

Wed 9/2

3:28 pm-9:15 am

1 stop18h 47m

$638

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 4/29

11:50 am-3:25 pm

1 stop26h 35m

Castries Hewanorra

Tue 5/5

3:05 pm-11:01 am

1 stop20h 56m

$642

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 10/5

6:18 pm-1:25 pm

2 stops18h 07m

Castries Hewanorra

Wed 10/14

4:00 pm-12:19 am

1 stop9h 19m

$643

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 4/29

11:50 am-3:25 pm

2 stops26h 35m

Castries Hewanorra

Tue 5/5

3:05 pm-11:01 am

1 stop20h 56m

$646

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 6/4

7:15 am-2:10 pm

2 stops29h 55m

Castries Hewanorra

Tue 8/4

3:05 pm-11:09 pm

2 stops33h 04m

$647

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 6/4

7:15 am-2:10 pm

2 stops29h 55m

Castries Hewanorra

Tue 8/4

3:05 pm-11:09 pm

3 stops33h 04m

$648

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 5/11

7:20 am-2:05 pm

1 stop29h 45m

Castries Hewanorra

Fri 5/15

3:05 pm-11:11 pm

1 stop33h 06m

$652
Quickest round-trip

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Fri 8/21

5:55 am-2:08 pm

1 stop7h 13m

Castries Hewanorra

Wed 9/2

3:28 pm-11:51 pm

1 stop9h 23m

$663

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Fri 8/21

6:09 pm-2:15 pm

2 stops19h 06m

Castries Hewanorra

Wed 9/2

3:09 pm-9:36 am

2 stops19h 27m

$668

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 5/27

5:44 pm-12:50 pm

1 stop18h 06m

Castries Hewanorra

Fri 5/29

4:55 pm-11:06 am

1 stop19h 11m

$669

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 typical price of a round-trip flight between Houston and Castries?

What is the cheapest month to fly to Castries?

The month of February is, on average, the cheapest month to fly to Castries from Houston, with most prices found around $565. The month of January is another great option to travel to Castries, with average flight prices from Houston averaging around $627.

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 08m

Direct flights

None
The fastest flight from Houston to Castries takes 7h 08m
There are no direct flights from Houston to Castries. There are no popular flight routes from Houston to Castries.
Search flight deals

Frequently asked questions about flying from Houston to Castries

  • How far is Houston to Castries Hewanorra by plane?

    Castries Hewanorra is 2442.8 mi away from Houston. Typically, this will take 7h 08m 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
American AirlinesPriceFrom $443Free CancellationRating
7.1
11,574 reviews
Search American Airlines flights
DeltaPriceFrom $443Free CancellationRating
7.9
8,405 reviews
Search Delta flights
JetBluePriceFrom $552Free CancellationRating
7.2
2,933 reviews
Search JetBlue 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