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Cheap flights from Houston to Castries from $359

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 1/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:00 pm - 2:15 pm-
25h 15m
Air Canada Logo
3:10 pm - 11:07 am-
20h 57m
$466Air Canada
Thu, Sep 17 - Fri, Sep 25
Air Canada Logo
7:20 am - 2:15 pm-
29h 55m
Air Canada Logo
3:10 pm - 11:07 am-
20h 57m
$466Air Canada
Thu, Sep 17 - Fri, Sep 25
Air Canada Logo
10:00 am - 2:15 pm-
27h 15m
Air Canada Logo
3:10 pm - 6:27 pm-
28h 17m
$489Air Canada
Thu, Sep 17 - Fri, Sep 25
Air Canada Logo
11:50 am - 4:40 pm-
26h 50m
Air Canada Logo
5:40 pm - 5:08 pm-
25h 28m
$569Air Canada
Thu, Nov 5 - Thu, Nov 12
American Airlines Logo
6:27 pm - 1:04 pm-
16h 37m
American Airlines Logo
4:05 pm - 11:59 pm-
9h 54m
$688American Airlines
Sat, Jan 2 - Fri, Jan 8
American Airlines Logo
7:25 pm - 3:53 pm-
18h 28m
American Airlines Logo
4:05 pm - 11:59 pm-
9h 54m
$693American Airlines
Sat, Jan 2 - Fri, Jan 8
American Airlines Logo
4:55 pm - 1:47 pm-
18h 52m
American Airlines Logo
5:02 pm - 10:05 am-
19h 03m
$693American Airlines
Mon, Jan 25 - Fri, Jan 29
Delta Logo
5:35 am - 3:12 pm-
7h 37m
Delta Logo
4:25 pm - 11:59 pm-
9h 34m
$758Delta
Sat, Nov 7 - Wed, Nov 11
Delta Logo
6:00 am - 3:05 pm-
7h 05m
Delta Logo
4:25 pm - 9:26 am-
19h 01m
$758Delta
Mon, Jan 25 - Fri, Jan 29
Delta Logo
5:41 am - 2:14 pm-
7h 33m
Delta Logo
3:32 pm - 8:31 am-
17h 59m
$822Delta
Wed, Aug 26 - Wed, Sep 9

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Air Canada flights from Houston to Castries

Our best Air Canada deals on Houston to Castries flight tickets
Air Canada
Sep 17
IAH12:00 pmHouston George Bush Intcntl
25h 15m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 25
UVF3:10 pmCastries Hewanorra
20h 57m
1 stop
IAH11:07 amHouston George Bush Intcntl
$466
Air Canada
Sep 17
IAH10:00 amHouston George Bush Intcntl
27h 15m
2 stops
UVF2:15 pmCastries Hewanorra
Sep 25
UVF3:10 pmCastries Hewanorra
31h 42m
1 stop
IAH9:52 pmHouston George Bush Intcntl
$489
Air Canada
Nov 5
IAH11:50 amHouston George Bush Intcntl
26h 50m
2 stops
UVF4:40 pmCastries Hewanorra
Nov 12
UVF5:40 pmCastries Hewanorra
25h 28m
1 stop
IAH5:08 pmHouston George Bush Intcntl
$569

American Airlines flights from Houston to Castries

Our best American Airlines deals on Houston to Castries flight tickets
American Airlines
Jan 2
IAH6:27 pmHouston George Bush Intcntl
16h 37m
1 stop
UVF1:04 pmCastries Hewanorra
Jan 8
UVF4:05 pmCastries Hewanorra
9h 54m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$688
American Airlines
Jan 2
IAH7:25 pmHouston George Bush Intcntl
18h 28m
2 stops
UVF3:53 pmCastries Hewanorra
Jan 8
UVF4:05 pmCastries Hewanorra
9h 54m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$693
American Airlines
Oct 20
IAH5:30 amHouston George Bush Intcntl
7h 30m
1 stop
UVF2:00 pmCastries Hewanorra
Nov 4
UVF4:07 pmCastries Hewanorra
18h 56m
1 stop
IAH9:03 amHouston George Bush Intcntl
$709

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 August 4, 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

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 9/17

12:00 pm-2:15 pm

1 stop25h 15m

Castries Hewanorra

Fri 9/25

3:10 pm-11:07 am

1 stop20h 57m

$466

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 9/17

7:20 am-2:15 pm

1 stop29h 55m

Castries Hewanorra

Fri 9/25

3:10 pm-11:07 am

1 stop20h 57m

$466

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 9/17

10:00 am-2:15 pm

2 stops27h 15m

Castries Hewanorra

Fri 9/25

3:10 pm-6:27 pm

1 stop28h 17m

$489

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 11/5

11:50 am-4:40 pm

2 stops26h 50m

Castries Hewanorra

Thu 11/12

5:40 pm-5:08 pm

1 stop25h 28m

$569

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sat 1/2

6:27 pm-1:04 pm

1 stop16h 37m

Castries Hewanorra

Fri 1/8

4:05 pm-11:59 pm

1 stop9h 54m

$688

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sat 1/2

7:25 pm-3:53 pm

2 stops18h 28m

Castries Hewanorra

Fri 1/8

4:05 pm-11:59 pm

1 stop9h 54m

$693

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Mon 1/25

4:55 pm-1:47 pm

2 stops18h 52m

Castries Hewanorra

Fri 1/29

5:02 pm-10:05 am

2 stops19h 03m

$693
Quickest round-trip

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sat 11/7

5:35 am-3:12 pm

1 stop7h 37m

Castries Hewanorra

Wed 11/11

4:25 pm-11:59 pm

1 stop9h 34m

$758

HoustonCastries

HOU - UVF

HOUUVF

Houston Hobby

Mon 1/25

6:00 am-3:05 pm

1 stop7h 05m

Castries Hewanorra

Fri 1/29

4:25 pm-9:26 am

1 stop19h 01m

$758

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Wed 8/26

5:41 am-2:14 pm

1 stop7h 33m

Castries Hewanorra

Wed 9/9

3:32 pm-8:31 am

1 stop17h 59m

$822

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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?

Prices are currently low for flights on this route.

Typical prices usually range from $728 to $984.
The lowest price recently found on this route was $466.

What is the cheapest month to fly to Castries?

The month of January is, on average, the cheapest month to fly to Castries from Houston, with most prices found around $627. The month of February is another great option to travel to Castries, with average flight prices from Houston averaging around $660.

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 32m

Direct flights

None
The fastest flight from Houston to Castries takes 7h 32m
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 32m 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
11,845 reviews
Search American Airlines flights
DeltaPriceFrom $503Free CancellationRating
7.8
8,483 reviews
Search Delta flights
JetBluePriceFrom $552Free CancellationRating
7.2
3,026 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