What is the cheapest day to fly from Houston George Bush Intcntl Airport to Castries?

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Castries flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Houston George Bush Intcntl Airport to Castries?

Users have found that flying from Houston George Bush Intcntl Airport to Castries on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Castries?

Our data shows that April tends to be the cheapest month to fly to Castries from Houston George Bush Intcntl Airport. Users have commonly found prices around $866 for the month, but tickets can be as low as $545. Due to multiple factors, prepare for potentially higher prices in July.

What is the cheapest time of day to fly from IAH to SLU?

When flying from Houston George Bush Intcntl Airport to Castries, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

What airport do you fly into for flights to Castries from Houston George Bush Intcntl?

Most people fly into Castries George F. L. Charle (SLU) if they book a flight to Castries from Houston George Bush Intcntl. On average, George F. L. Charle has 0 inbound flights from Houston George Bush Intcntl per day from 1 airline. Castries George F. L. Charle is conveniently located just 0.7 mi from Castries’s city center.

Can I find deals for flights from George Bush Intcntl to Castries that include hotel bookings?

Yes. In addition to deals on George Bush Intcntl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from George Bush Intcntl to Castries?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Castries.

Can I find deals for business class flights from George Bush Intcntl to Castries?

Yes. Cheapflights offers flight deals from George Bush Intcntl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$490+ Flights from Houston George Bush Intcntl Airport to Castries

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from George Bush Intcntl to Castries with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from George Bush Intcntl to Castries

Round-trip from	$867 (Mytrip)
One-way from	$490 (Kiwi.com)
Popular in	March
Cheapest in	September
Average price	$1,104

From Houston George Bush Intcntl to Castries George F. L. Charle

Search Deals

One-way flight from Houston George Bush Intcntl to Castries George F. L. Charle

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($60 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from George Bush Intcntl to Castries

Cheapest flights from George Bush Intcntl to Castries
Explore the most affordable flight options available from George Bush Intcntl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Tue 9/2310:23 amIAH - SLU

3 stops31h 37mMultiple Airlines

Sat 9/276:20 pmSLU - IAH

3 stops29h 29mMultiple Airlines

Deal found 7/27

$867

Best flights from George Bush Intcntl to Castries
Discover carefully curated flight deals from George Bush Intcntl to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 9/2310:23 amIAH - SLU

3 stops31h 37mMultiple Airlines

Sat 9/276:20 pmSLU - IAH

3 stops29h 29mMultiple Airlines

Deal found 7/27

$867

Last-minute flights from George Bush Intcntl to Castries
Discover last-minute flight deals from George Bush Intcntl to Castries. Data last updated July 29, 2025 and is based on user searches.

Sun 8/246:35 pmIAH - SLU

3 stops21h 25mMultiple Airlines

Sun 8/315:00 amSLU - IAH

2 stops16h 26mMultiple Airlines

Deal found 7/27

$1,052

One-way flights from George Bush Intcntl to Castries
Search for one-way flight options from George Bush Intcntl to Castries. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Fri 8/225:30 amIAH - SLU

3 stops30h 15mMultiple Airlines

Deal found 7/27

$490

Cheapflights Fare Finder

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 - SLU

IAHSLU

Houston George Bush Intcntl

Tue 9/23

10:23 am-7:00 pm

3 stops31h 37m

Castries George F. L. Charle

Sat 9/27

6:20 pm-10:49 pm

3 stops29h 29m

$867

HoustonCastries

IAH - SLU

IAHSLU

Houston George Bush Intcntl

Fri 8/22

5:30 am-12:45 pm

3 stops30h 15m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from George Bush Intcntl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from George Bush Intcntl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Castries

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Castries?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Castries (average of $525). Flying from Houston George Bush Intcntl Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Castries from Houston George Bush Intcntl?
Most people fly into Castries George F. L. Charle (SLU) if they book a flight to Castries from Houston George Bush Intcntl. On average, George F. L. Charle has 0 inbound flights from Houston George Bush Intcntl per day from 1 airline. Castries George F. L. Charle is conveniently located just 0.7 mi from Castries’s city center.
Can I find deals for flights from George Bush Intcntl to Castries that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Castries.
Can I find deals for business class flights from George Bush Intcntl to Castries?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Castries?
Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Castries (average of $525). Flying from Houston George Bush Intcntl Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Gros Islet

Rodney Bay

Marigot Bay

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for George Bush Intcntl to Castries

Hobby to Castries flights

George Bush Intcntl to Castries flights

Other flights to Castries

Other flights from George Bush Intcntl

George Bush Intcntl to New Orleans flights

George Bush Intcntl to Pensacola flights

George Bush Intcntl to Tampa flights

George Bush Intcntl to Nashville flights

George Bush Intcntl to Baltimore flights

George Bush Intcntl to Orlando flights

Top airline flying from George Bush Intcntl to Castries

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$529	Average$730	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$490+ Cheap flights from George Bush Intcntl (IAH) to Castries (SLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to Castries with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from George Bush Intcntl to Castries

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from George Bush Intcntl to Castries

Cheapest flights from George Bush Intcntl to CastriesExplore the most affordable flight options available from George Bush Intcntl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from George Bush Intcntl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Castries that are best for you.

Best time to book a flight from George Bush Intcntl to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from George Bush Intcntl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Castries

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Castries?

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Castries from Houston George Bush Intcntl?

Can I find deals for flights from George Bush Intcntl to Castries that include hotel bookings?

How can I find direct flights from George Bush Intcntl to Castries?

Can I find deals for business class flights from George Bush Intcntl to Castries?

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Castries?

Traveling to a place near Castries?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for George Bush Intcntl to Castries

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from George Bush Intcntl to Castries

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from George Bush Intcntl to Castries
Explore the most affordable flight options available from George Bush Intcntl to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.