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Cheap flights from Houston to Castries from $271

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 3/19. 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
5:30 am - 1:48 pm
IAH
-
UVF
7h 18m
1 stop
American Airlines Logo
3:58 pm - 11:57 pm
UVF
-
IAH
8h 59m
1 stop
$578American Airlines
Tue, Mar 17 - Wed, Mar 25
American Airlines Logo
5:30 am - 1:48 pm
IAH
-
UVF
7h 18m
1 stop
American Airlines Logo
3:58 pm - 11:29 am
UVF
-
IAH
20h 31m
2 stops
$583American Airlines
Tue, Mar 17 - Wed, Mar 25
American Airlines Logo
4:36 pm - 1:48 pm
IAH
-
UVF
20h 12m
2 stops
American Airlines Logo
3:58 pm - 11:29 am
UVF
-
IAH
20h 31m
2 stops
$588American Airlines
Mon, Mar 23 - Tue, Mar 31
American Airlines Logo
8:20 pm - 1:48 pm
HOU
-
UVF
16h 28m
2 stops
American Airlines Logo
3:58 pm - 11:48 am
UVF
-
HOU
20h 50m
2 stops
$588American Airlines
Mon, Mar 23 - Tue, Mar 31
American Airlines Logo
6:36 pm - 1:48 pm
IAH
-
UVF
18h 12m
1 stop
American Airlines Logo
3:58 pm - 9:15 am
UVF
-
IAH
18h 17m
1 stop
$603American Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
6:22 pm - 1:48 pm
IAH
-
UVF
18h 26m
2 stops
American Airlines Logo
2:48 pm - 10:26 am
UVF
-
IAH
20h 38m
2 stops
$608American Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
5:30 am - 2:58 pm
IAH
-
UVF
8h 28m
1 stop
American Airlines Logo
3:13 pm - 11:27 am
UVF
-
IAH
21h 14m
2 stops
$627American Airlines
Wed, Apr 1 - Tue, Apr 7
American Airlines Logo
4:03 pm - 1:48 pm
IAH
-
UVF
20h 45m
2 stops
American Airlines Logo
3:13 pm - 11:27 am
UVF
-
IAH
21h 14m
2 stops
$632American Airlines
Tue, Mar 31 - Tue, Apr 7
Delta Logo
5:55 am - 2:13 pm
IAH
-
UVF
7h 18m
1 stop
Delta Logo
3:28 pm - 11:51 pm
UVF
-
IAH
9h 23m
1 stop
$638Delta
Wed, Aug 5 - Fri, Aug 14
Delta Logo
6:00 am - 2:13 pm
HOU
-
UVF
7h 13m
1 stop
Delta Logo
3:28 pm - 9:15 am
UVF
-
HOU
18h 47m
1 stop
$638Delta
Wed, Aug 5 - Fri, Aug 14

Air Canada flights from Houston to Castries

Our best Air Canada deals on Houston to Castries flight tickets
Air Canada
Jun 4
IAH7:20 amHouston George Bush Intcntl
29h 50m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 12
UVF3:05 pmCastries Hewanorra
21h 06m
1 stop
IAH11:11 amHouston George Bush Intcntl
$698
Air Canada
Mar 28
IAH7:10 amHouston George Bush Intcntl
31h 10m
1 stop
UVF3:20 pmCastries Hewanorra
Apr 5
UVF4:20 pmCastries Hewanorra
19h 40m
1 stop
IAH11:00 amHouston George Bush Intcntl
$762
Air Canada
Feb 10
IAH11:55 amHouston George Bush Intcntl
26h 25m
1 stop
UVF4:20 pmCastries Hewanorra
Feb 12
UVF5:15 pmCastries Hewanorra
30h 24m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$770

Delta flights from Houston to Castries

Our best Delta deals on Houston to Castries flight tickets
Delta
Aug 5
IAH5:55 amHouston George Bush Intcntl
7h 18m
1 stop
UVF2:13 pmCastries Hewanorra
Aug 14
UVF3:28 pmCastries Hewanorra
9h 23m
1 stop
IAH11:51 pmHouston George Bush Intcntl
$638
Delta
Apr 1
IAH5:23 amHouston George Bush Intcntl
7h 35m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 7
UVF3:18 pmCastries Hewanorra
9h 41m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$663
Delta
Mar 30
IAH6:53 pmHouston George Bush Intcntl
18h 05m
1 stop
UVF1:58 pmCastries Hewanorra
Apr 5
UVF3:18 pmCastries Hewanorra
9h 41m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$788

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 February 7, 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

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Tue 3/17

5:30 am-1:48 pm

1 stop7h 18m

Castries Hewanorra

Wed 3/25

3:58 pm-11:57 pm

1 stop8h 59m

$578

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Tue 3/17

5:30 am-1:48 pm

1 stop7h 18m

Castries Hewanorra

Wed 3/25

3:58 pm-11:29 am

2 stops20h 31m

$583

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 3/23

4:36 pm-1:48 pm

2 stops20h 12m

Castries Hewanorra

Tue 3/31

3:58 pm-11:29 am

2 stops20h 31m

$588

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Mon 3/23

8:20 pm-1:48 pm

2 stops16h 28m

Castries Hewanorra

Tue 3/31

3:58 pm-11:48 am

2 stops20h 50m

$588

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 3/9

6:36 pm-1:48 pm

1 stop18h 12m

Castries Hewanorra

Mon 3/16

3:58 pm-9:15 am

1 stop18h 17m

$603

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 3/9

6:22 pm-1:48 pm

2 stops18h 26m

Castries Hewanorra

Mon 3/16

2:48 pm-10:26 am

2 stops20h 38m

$608

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 4/1

5:30 am-2:58 pm

1 stop8h 28m

Castries Hewanorra

Tue 4/7

3:13 pm-11:27 am

2 stops21h 14m

$627

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Tue 3/31

4:03 pm-1:48 pm

2 stops20h 45m

Castries Hewanorra

Tue 4/7

3:13 pm-11:27 am

2 stops21h 14m

$632

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 8/5

5:55 am-2:13 pm

1 stop7h 18m

Castries Hewanorra

Fri 8/14

3:28 pm-11:51 pm

1 stop9h 23m

$638

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Wed 8/5

6:00 am-2:13 pm

1 stop7h 13m

Castries Hewanorra

Fri 8/14

3:28 pm-9:15 am

1 stop18h 47m

$638

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 February is, on average, the cheapest month to fly to Castries from Houston, with most prices found around $565. The month of August is another great option to travel to Castries, with average flight prices from Houston averaging around $597.

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

  • 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
7.2
11,249 reviews
Search American Airlines flights
DeltaPriceFrom $443Free CancellationRating
7.9
8,172 reviews
Search Delta flights
JetBluePriceFrom $552Free CancellationRating
7.2
2,896 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