HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castries

$869+ Cheap flights from George Bush Intcntl (IAH) to Castries (SLU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SLU
mars 8 — mars 151
sam. 3/8
sam. 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mars 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$869
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$918
Provider with most accurate pricing for Houston George Bush Intcntl-Castries George F. L. Charle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Castries George F. L. Charle flights.
Search Deals
From Houston George Bush Intcntl to Castries George F. L. Charle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 mars 3, 2025.

This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/1010:21 amIAH - SLU
2 stops24h 09mMultiple Airlines
lun. 4/144:35 pmSLU - IAH
2 stops25h 23mMultiple Airlines
Deal found 3/3$869

Find flights from George Bush Intcntl to Castries within your budget

Customize your flight search to find flights from George Bush Intcntl 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, Cheapflights users made 2,558,603 searches. Data last updated mars 3, 2025.

Fly from

George Bush Intcntl

Fly to

Castries

Route

Depart

Return

Price

HoustonCastries

IAH - SLU

IAHSLU

Houston George Bush Intcntl

jeu. 4/10

10:21 am-11:30 am

2 stops24h 09m

Castries George F. L. Charle

lun. 4/14

4:35 pm-4:58 pm

2 stops25h 23m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Compare providers for flights from George Bush Intcntl to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Castries in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Castries flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Castries flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from George Bush Intcntl to Castries

Get recent, data-driven insights about flights from George Bush Intcntl to Castries including ideal travel times, pricing trends, and more.

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.

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

Find hourly flight availability from George Bush Intcntl to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mars 3, 2025.

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.

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?

    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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Gros Islet
Rodney Bay

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.
Hobby to Castries flights
George Bush Intcntl to Castries flights

Top airline flying from George Bush Intcntl to Castries

Discover the top airline that operate flights from George Bush Intcntl to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mars 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$736FlexibilityNo cancel feeOn-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.