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Cheap flights from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Castries departing on 1/5. 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 George Bush Intcntl Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:22 am - 4:02 pm
IAH
-
UVF
8h 40m1 stop
American Airlines Logo
2:46 pm - 12:45 am
UVF
-
IAH
11h 59m1 stop
$443American Airlines
Mon, Jan 19 - Fri, Jan 23
American Airlines Logo
5:22 am - 4:02 pm
IAH
-
UVF
8h 40m1 stop
American Airlines Logo
5:02 pm - 11:49 am
UVF
-
IAH
20h 47m2 stops
$448American Airlines
Mon, Jan 19 - Fri, Jan 23
American Airlines Logo
5:22 am - 4:02 pm
IAH
-
UVF
8h 40m1 stop
American Airlines Logo
4:06 pm - 11:59 pm
UVF
-
IAH
9h 53m1 stop
$473American Airlines
Mon, Feb 2 - Mon, Feb 9
American Airlines Logo
4:50 pm - 4:02 pm
IAH
-
UVF
21h 12m2 stops
American Airlines Logo
4:06 pm - 10:47 am
UVF
-
IAH
20h 41m2 stops
$478American Airlines
Mon, Feb 2 - Mon, Feb 9
American Airlines Logo
4:50 pm - 1:46 pm
IAH
-
UVF
18h 56m2 stops
American Airlines Logo
5:02 pm - 12:45 am
UVF
-
IAH
9h 43m1 stop
$483American Airlines
Sun, Feb 1 - Sun, Feb 8
American Airlines Logo
5:35 am - 4:00 pm
IAH
-
UVF
8h 25m1 stop
American Airlines Logo
5:00 pm - 9:03 am
UVF
-
IAH
18h 03m1 stop
$507American Airlines
Sun, Mar 1 - Fri, Mar 6
American Airlines Logo
8:51 am - 2:50 pm
IAH
-
UVF
27h 59m2 stops
American Airlines Logo
3:50 pm - 8:19 am
UVF
-
IAH
18h 29m2 stops
$512American Airlines
Sun, Mar 1 - Fri, Mar 6
American Airlines Logo
5:31 am - 3:54 pm
IAH
-
UVF
8h 23m1 stop
American Airlines Logo
4:06 pm - 11:59 pm
UVF
-
IAH
9h 53m1 stop
$513American Airlines
Thu, Jan 1 - Thu, Jan 15
American Airlines Logo
7:27 pm - 2:52 pm
IAH
-
UVF
17h 25m2 stops
American Airlines Logo
4:06 pm - 8:36 am
UVF
-
IAH
18h 30m2 stops
$518American Airlines
Thu, Jan 1 - Thu, Jan 15
American Airlines Logo
6:36 pm - 2:58 pm
IAH
-
UVF
19h 22m1 stop
American Airlines Logo
2:57 pm - 7:03 pm
UVF
-
IAH
29h 06m2 stops
$522American Airlines
Sun, Mar 8 - Fri, Mar 13

American Airlines flights from Houston George Bush Intcntl Airport to Castries

Our best American Airlines deals on Houston George Bush Intcntl Airport to Castries flight tickets
American Airlines
Jan 19
IAH5:22 amHouston George Bush Intcntl
8h 40m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 23
UVF2:46 pmCastries Hewanorra
11h 59m
1 stop
IAH12:45 amHouston George Bush Intcntl
$443
Find similar
American Airlines
Jan 19
IAH5:22 amHouston George Bush Intcntl
8h 40m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 23
UVF5:02 pmCastries Hewanorra
20h 47m
2 stops
IAH11:49 amHouston George Bush Intcntl
$448
Find similar
American Airlines
Feb 2
IAH5:22 amHouston George Bush Intcntl
8h 40m
1 stop
UVF4:02 pmCastries Hewanorra
Feb 9
UVF4:06 pmCastries Hewanorra
9h 53m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$473
Find similar

Delta flights from Houston George Bush Intcntl Airport to Castries

Our best Delta deals on Houston George Bush Intcntl Airport to Castries flight tickets
Delta
Mar 25
IAH6:58 pmHouston George Bush Intcntl
18h 06m
1 stop
UVF2:04 pmCastries Hewanorra
Mar 31
UVF3:24 pmCastries Hewanorra
9h 35m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$647
Find similar
Delta
Apr 2
IAH5:30 amHouston George Bush Intcntl
7h 34m
1 stop
UVF2:04 pmCastries Hewanorra
Apr 7
UVF3:24 pmCastries Hewanorra
9h 35m
1 stop
IAH11:59 pmHouston George Bush Intcntl
$672
Find similar
Delta
Dec 25
IAH6:00 amHouston George Bush Intcntl
7h 30m
1 stop
UVF3:30 pmCastries Hewanorra
Dec 29
UVF4:50 pmCastries Hewanorra
17h 59m
1 stop
IAH8:49 amHouston George Bush Intcntl
$1,058
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 20, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport 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

5:22 am-4:02 pm

1 stop8h 40m

Castries Hewanorra

Fri 1/23

2:46 pm-12:45 am

1 stop11h 59m

$443

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 1/19

5:22 am-4:02 pm

1 stop8h 40m

Castries Hewanorra

Fri 1/23

5:02 pm-11:49 am

2 stops20h 47m

$448

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 2/2

5:22 am-4:02 pm

1 stop8h 40m

Castries Hewanorra

Mon 2/9

4:06 pm-11:59 pm

1 stop9h 53m

$473

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Mon 2/2

4:50 pm-4:02 pm

2 stops21h 12m

Castries Hewanorra

Mon 2/9

4:06 pm-10:47 am

2 stops20h 41m

$478

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sun 2/1

4:50 pm-1:46 pm

2 stops18h 56m

Castries Hewanorra

Sun 2/8

5:02 pm-12:45 am

1 stop9h 43m

$483

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sun 3/1

5:35 am-4:00 pm

1 stop8h 25m

Castries Hewanorra

Fri 3/6

5:00 pm-9:03 am

1 stop18h 03m

$507

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sun 3/1

8:51 am-2:50 pm

2 stops27h 59m

Castries Hewanorra

Fri 3/6

3:50 pm-8:19 am

2 stops18h 29m

$512

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 1/1

5:31 am-3:54 pm

1 stop8h 23m

Castries Hewanorra

Thu 1/15

4:06 pm-11:59 pm

1 stop9h 53m

$513

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Thu 1/1

7:27 pm-2:52 pm

2 stops17h 25m

Castries Hewanorra

Thu 1/15

4:06 pm-8:36 am

2 stops18h 30m

$518

HoustonCastries

IAH - UVF

IAHUVF

Houston George Bush Intcntl

Sun 3/8

6:36 pm-2:58 pm

1 stop19h 22m

Castries Hewanorra

Fri 3/13

2:57 pm-7:03 pm

2 stops29h 06m

$522

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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 August is, on average, the cheapest month to fly to Castries from Houston George Bush Intcntl Airport, with most prices found around $640. The month of February is another great option to travel to Castries, with average flight prices from Houston George Bush Intcntl Airport averaging around $645.

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

The cheapest day to depart from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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.

When to book flights from Houston George Bush Intcntl Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Castries (IAH to UVF) flight deals and tips

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

Fastest flight time

7h 13m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Castries takes 7h 13m
There are no direct flights from Houston George Bush Intcntl Airport to Castries. There are no popular flight routes from Houston George Bush Intcntl Airport to Castries.
Search flight deals

  • How far is Houston George Bush Intcntl to Castries Hewanorra by plane?

    Castries Hewanorra is 2446.5 mi away from Houston George Bush Intcntl. A reasonable flight in good conditions will take 7h 13m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Castries?

Best airlines flying from Houston George Bush Intcntl Airport to Castries

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $622Free CancellationRating
7.9
8,021 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

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Why should I use momondo to find a flight deal from Houston to Castries?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Castries. momondo saves you time and could save you money on your trip.

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

All flight searches from Houston to Castries on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Castries from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Airports servicing Saint Lucia

Castries George F. L. Charle Airport