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Cheap flights from Houston to Castries from $293

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 1/7. 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.
American Airlines Logo
5:22 am - 4:02 pmIAH-UVF
8h 40m1 stop
American Airlines Logo
5:02 pm - 12:45 amUVF-IAH
9h 43m1 stop
$525American Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
5:23 pm - 4:02 pmIAH-UVF
20h 39m2 stops
American Airlines Logo
5:02 pm - 11:49 amUVF-IAH
20h 47m2 stops
$530American Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
6:36 pm - 4:02 pmHOU-UVF
19h 26m2 stops
American Airlines Logo
5:02 pm - 10:05 amUVF-HOU
19h 03m2 stops
$530American Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
Delta Logo
5:15 am - 3:39 pmIAH-UVF
8h 24m1 stop
Delta Logo
4:56 pm - 11:59 pmUVF-IAH
9h 03m1 stop
$557Delta
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Tue, Nov 25 - Tue, Dec 2
Delta Logo
6:00 am - 3:36 pmHOU-UVF
7h 36m1 stop
Delta Logo
4:56 pm - 9:34 amUVF-HOU
18h 38m1 stop
$582Delta
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Fri, Dec 5 - Wed, Dec 17
JetBlue Logo
1:36 pm - 2:57 pmIAH-UVF
23h 21m2 stops
JetBlue Logo
4:57 pm - 12:41 pmUVF-IAH
21h 44m2 stops
$616JetBlue
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Thu, Dec 4 - Mon, Dec 8
JetBlue Logo
1:38 pm - 2:57 pmIAH-UVF
23h 19m2 stops
JetBlue Logo
4:27 pm - 9:37 amUVF-IAH
19h 10m2 stops
$680JetBlue
Find Deal
Sat, Nov 15 - Sat, Nov 22
Multiple Airlines Logo
6:42 pm - 4:25 pmIAH-UVF
43h 43m3 stops
Multiple Airlines Logo
5:15 pm - 7:46 pmUVF-IAH
28h 31m2 stops
$702Multiple Airlines
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Mon, Jan 12 - Wed, Jan 21
Multiple Airlines Logo
10:41 am - 4:25 pmIAH-UVF
27h 44m3 stops
Multiple Airlines Logo
5:15 pm - 11:59 pmUVF-IAH
32h 44m2 stops
$707Multiple Airlines
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Thu, Dec 4 - Mon, Dec 8
British Airways Logo
6:22 pm - 3:52 pmHOU-UVF
19h 30m2 stops
British Airways Logo
4:00 pm - 9:38 amUVF-HOU
19h 38m2 stops
$753British Airways
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Sat, Nov 29 - Fri, Dec 5

American Airlines flights from Houston to Castries

Our best American Airlines deals on Houston to Castries flight tickets
American Airlines
Jan 12
IAH5:22 amHouston George Bush Intcntl
8h 40m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 21
UVF5:02 pmCastries Hewanorra
9h 43m
1 stop
IAH12:45 amHouston George Bush Intcntl
$525
Find similar
American Airlines
Jan 12
IAH5:23 pmHouston George Bush Intcntl
20h 39m
2 stops
UVF4:02 pmCastries Hewanorra
Jan 21
UVF5:02 pmCastries Hewanorra
20h 47m
2 stops
IAH11:49 amHouston George Bush Intcntl
$530
Find similar
American Airlines
Dec 1
IAH5:45 pmHouston George Bush Intcntl
19h 19m
2 stops
UVF3:04 pmCastries Hewanorra
Dec 18
UVF4:54 pmCastries Hewanorra
18h 05m
1 stop
IAH8:59 amHouston George Bush Intcntl
$546
Find similar

JetBlue flights from Houston to Castries

Our best JetBlue deals on Houston to Castries flight tickets
JetBlue
Dec 4
IAH1:36 pmHouston George Bush Intcntl
23h 21m
2 stops
UVF2:57 pmCastries Hewanorra
Dec 8
UVF4:57 pmCastries Hewanorra
21h 44m
2 stops
IAH12:41 pmHouston George Bush Intcntl
$616
Find similar
JetBlue
Nov 15
IAH1:38 pmHouston George Bush Intcntl
23h 19m
2 stops
UVF2:57 pmCastries Hewanorra
Nov 22
UVF4:27 pmCastries Hewanorra
19h 10m
2 stops
IAH9:37 amHouston George Bush Intcntl
$680
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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 October 30, 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 1/12

5:22 am-4:02 pm

1 stop8h 40m

Castries Hewanorra

Wed 1/21

5:02 pm-12:45 am

1 stop9h 43m

$525

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 1/12

5:23 pm-4:02 pm

2 stops20h 39m

Castries Hewanorra

Wed 1/21

5:02 pm-11:49 am

2 stops20h 47m

$530

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Mon 1/12

6:36 pm-4:02 pm

2 stops19h 26m

Castries Hewanorra

Wed 1/21

5:02 pm-10:05 am

2 stops19h 03m

$530

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Tue 11/25

5:15 am-3:39 pm

1 stop8h 24m

Castries Hewanorra

Tue 12/2

4:56 pm-11:59 pm

1 stop9h 03m

$557

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Fri 12/5

6:00 am-3:36 pm

1 stop7h 36m

Castries Hewanorra

Wed 12/17

4:56 pm-9:34 am

1 stop18h 38m

$582

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 12/4

1:36 pm-2:57 pm

2 stops23h 21m

Castries Hewanorra

Mon 12/8

4:57 pm-12:41 pm

2 stops21h 44m

$616

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sat 11/15

1:38 pm-2:57 pm

2 stops23h 19m

Castries Hewanorra

Sat 11/22

4:27 pm-9:37 am

2 stops19h 10m

$680

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 1/12

6:42 pm-4:25 pm

3 stops43h 43m

Castries Hewanorra

Wed 1/21

5:15 pm-7:46 pm

2 stops28h 31m

$702

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 12/4

10:41 am-4:25 pm

3 stops27h 44m

Castries Hewanorra

Mon 12/8

5:15 pm-11:59 pm

2 stops32h 44m

$707

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Sat 11/29

6:22 pm-3:52 pm

2 stops19h 30m

Castries Hewanorra

Fri 12/5

4:00 pm-9:38 am

2 stops19h 38m

$753

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 March is, on average, the cheapest month to fly to Castries from Houston, with most prices found around $558. The month of January is another great option to travel to Castries, with average flight prices from Houston averaging around $633.

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

Direct flights

None
There are no direct flights from Houston to Castries. There are no popular flight routes from Houston to Castries.
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  • How far is Houston to Castries Hewanorra by plane?

    Castries Hewanorra is 2442.8 mi away from Houston. Typically, this will take 6h 45m 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 $533Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
DeltaPriceFrom $595Free CancellationRating
7.9
7,998 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 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