$975 Cheap Flights from Cardiff (CWL) to Houston (IAH)

View $975 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Cardiff to Houston (CWL-IAH)

Prices were available within the past 7 days and start at $975 for one-way flights and $1,251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Sun, Mar 8 - Mon, Mar 16
CWL
Cardiff
IAH
Houston
$1,251 Roundtrip, found 2 days ago
$1,251
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Mar 8 from Cardiff to Houston, returning Mon, Mar 16, priced at $1,251 found 2 days ago
Virgin Atlantic
Wed, Mar 4 - Mon, Mar 16
CWL
Cardiff
IAH
Houston
$1,262 Roundtrip, found 2 days ago
$1,262
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Mar 4 from Cardiff to Houston, returning Mon, Mar 16, priced at $1,262 found 2 days ago
Virgin Atlantic
Sun, Mar 8 - Sun, Mar 15
CWL
Cardiff
IAH
Houston
$1,270 Roundtrip, found 2 days ago
$1,270
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Mar 8 from Cardiff to Houston, returning Sun, Mar 15, priced at $1,270 found 2 days ago
Virgin Atlantic
Thu, Nov 20 - Mon, Nov 24
CWL
Cardiff
IAH
Houston
$1,272 Roundtrip, found 4 days ago
$1,272
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Nov 20 from Cardiff to Houston, returning Mon, Nov 24, priced at $1,272 found 4 days ago
Virgin Atlantic
Wed, Mar 4 - Sun, Mar 15
CWL
Cardiff
IAH
Houston
$1,282 Roundtrip, found 2 days ago
$1,282
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Mar 4 from Cardiff to Houston, returning Sun, Mar 15, priced at $1,282 found 2 days ago
Virgin Atlantic
Sun, Nov 23 - Sun, Nov 30
CWL
Cardiff
IAH
Houston
$1,283 Roundtrip, found 1 day ago
$1,283
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Sun, Nov 23 from Cardiff to Houston, returning Sun, Nov 30, priced at $1,283 found 1 day ago
Virgin Atlantic
Sat, Mar 7 - Tue, Mar 17
CWL
Cardiff
IAH
Houston
$1,291 Roundtrip, found 2 days ago
$1,291
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sat, Mar 7 from Cardiff to Houston, returning Tue, Mar 17, priced at $1,291 found 2 days ago
KLM
Sat, Mar 7 - Tue, Mar 17
CWL
Cardiff
IAH
Houston
$1,323 Roundtrip, found 2 days ago
$1,323
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Mar 7 from Cardiff to Houston, returning Tue, Mar 17, priced at $1,323 found 2 days ago
Delta
Sat, Mar 7 - Tue, Mar 17
CWL
Cardiff
IAH
Houston
$1,352 Roundtrip, found 2 days ago
$1,352
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Mar 7 from Cardiff to Houston, returning Tue, Mar 17, priced at $1,352 found 2 days ago
British Airways
Thu, Nov 20 - Mon, Nov 24
CWL
Cardiff
IAH
Houston
$1,505 Roundtrip, found 4 days ago
$1,505
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Nov 20 from Cardiff to Houston, returning Mon, Nov 24, priced at $1,505 found 4 days ago
Flights from Cardiff (CWL) to Houston (IAH)
Origin airport
Cardiff Intl.
Destination airport
George Bush Intercontinental
Airlines serving
KLM, Virgin Atlantic
Roundtrip price
$1,251
Distance
4710 mi

Cardiff to Houston Flights

The cheapest times to fly from Cardiff to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Houston are during the month of March. You can find some of the cheapest flights from Cardiff to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Houston

Sunday is one of the best days to book for cheap flights from Cardiff to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $975 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $975 or cheap return flight from $1,251 from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH)?
Traveling in March can help you save, as it's the cheapest month for flights between CWL and IAH. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from CWL to IAH. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH)?
There are no daily direct flights from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from CWL to IAH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH)?
To land at George Bush Intercontinental Airport (IAH) on time, opt for a flight that leaves Cardiff Intl. Airport (CWL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your departure to book your flight from CWL to IAH generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a CWL to IAH flight and hotel package?
Securing a CWL to IAH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to George Bush Intercontinental Airport (IAH)?
Typically, it's possible to cancel or reschedule your CWL to IAH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.