Title: Cheap Flights from Houston to Castries (IAH to SLU) - Expedia.co.uk ![La Toc Beach](https://images.trvl-media.com/place/553248621533157962/427c3ca0-a24c-4935-aa2f-199315cd7f76.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248621533157962/427c3ca0-a24c-4935-aa2f-199315cd7f76.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Houston (IAH) to Castries (SLU) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from George Bush Intercontinental Airport (IAH) to George F. L. Charles Airport (SLU) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iah,to:slu,departure:25/10/2025TANYT&leg2=from:slu,to:iah,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Houston (IAH) to Castries (SLU) ### August is typically the cheapest month to fly From £351 - £607 per traveller. Flight from Houston to Castries route information | Origin airport | George Bush Intercontinental | | --- | --- | | Destination airport | George F. L. Charles | | Distance | 3915 km | ## Compare flights from Houston to Castries easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Castries. Operating between them flights per day, airlines cover the route. And fly direct, getting you to George F. L. Charles in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to George F. L. Charles.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from George Bush Intercontinental (IAH) to George F. L. Charles (SLU) The easiest way to view the best deals on flights from Houston to Castries today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to George F. L. Charles start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Houston and Castries - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Houston to Castries flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to George F. L. Charles for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from George Bush Intercontinental Airport (IAH) to George F. L. Charles Airport (SLU)? > Round-trip tickets between IAH and Vigie Airport start from . This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Houston Airport to George F. L. Charles Airport (SLU)? > Every airline has different terms and conditions. If you decide to cancel your trip, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Houston Airport to SLU that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for George Bush Intercontinental Airport (IAH) to SLU flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from George Bush Intercontinental Airport (IAH) to Vigie Airport? > Around 3,900 kilometres separates Houston and Castries, so pack something to keep you occupied for a couple of hours. That novel you haven't had time to finish will be ideal. ### Which airlines fly direct from IAH to Vigie Airport? > There are no direct flights, so you'll need to make at least one stop between George Bush Intercontinental Airport (IAH) and George F. L. Charles Airport (SLU). Take advantage of the layover time to stretch your legs and freshen up. ### Are Houston Airport to Vigie Airport flight tickets cheaper when they're purchased at the last minute? > Fares from IAH to George F. L. Charles Airport (SLU) are available up to a year before departure on Expedia. And although you may occasionally nab fantastic last-minute deals, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! 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