$972 Cheap Flights from Cardiff (CWL) to Houston (IAH)

View $972 flight on Mon, Mar 9, 2026Opens in a new window

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

Cheap Flights from Cardiff to Houston (CWL-IAH)

Prices were available within the past 7 days and start at $972 for one-way flights and $1,022 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Oct 27 - Mon, Nov 3
CWL
Cardiff
IAH
Houston
$1,022 Roundtrip, found 5 days ago
$1,022
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Mon, Oct 27 from Cardiff to Houston, returning Mon, Nov 3, priced at $1,022 found 5 days ago
Delta
Thu, Sep 25 - Sun, Sep 28
CWL
Cardiff
IAH
Houston
$1,026 Roundtrip, found 5 hours ago
$1,026
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Sep 25 from Cardiff to Houston, returning Sun, Sep 28, priced at $1,026 found 5 hours ago
Delta
Mon, Mar 2 - Thu, Mar 12
CWL
Cardiff
IAH
Houston
$1,031 Roundtrip, found 2 days ago
$1,031
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Mar 2 from Cardiff to Houston, returning Thu, Mar 12, priced at $1,031 found 2 days ago
Delta
Fri, Sep 26 - Sat, Oct 4
CWL
Cardiff
IAH
Houston
$1,033 Roundtrip, found 6 days ago
$1,033
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 26 from Cardiff to Houston, returning Sat, Oct 4, priced at $1,033 found 6 days ago
Virgin Atlantic
Wed, Jan 14 - Mon, Jan 26
CWL
Cardiff
IAH
Houston
$1,035 Roundtrip, found 2 days ago
$1,035
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Jan 14 from Cardiff to Houston, returning Mon, Jan 26, priced at $1,035 found 2 days ago
Delta
Fri, Sep 26 - Mon, Sep 29
CWL
Cardiff
IAH
Houston
$1,036 Roundtrip, found 5 hours ago
$1,036
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Sep 26 from Cardiff to Houston, returning Mon, Sep 29, priced at $1,036 found 5 hours ago
Virgin Atlantic
Mon, Mar 2 - Thu, Mar 5
CWL
Cardiff
IAH
Houston
$1,041 Roundtrip, found 2 days ago
$1,041
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Mon, Mar 2 from Cardiff to Houston, returning Thu, Mar 5, priced at $1,041 found 2 days ago
KLM
Thu, Jan 15 - Mon, Jan 19
CWL
Cardiff
IAH
Houston
$1,062 Roundtrip, found 2 days ago
$1,062
Roundtrip
found 2 days ago
Select KLM flight, departing Thu, Jan 15 from Cardiff to Houston, returning Mon, Jan 19, priced at $1,062 found 2 days ago
British Airways
Thu, Jan 15 - Sat, Feb 28
CWL
Cardiff
IAH
Houston
$1,356 Roundtrip, found 2 days ago
$1,356
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Jan 15 from Cardiff to Houston, returning Sat, Feb 28, priced at $1,356 found 2 days ago
Air France
Fri, Sep 26 - Mon, Sep 29
CWL
Cardiff
IAH
Houston
$2,743 Roundtrip, found 5 hours ago
$2,743
Roundtrip
found 5 hours ago
Select Air France flight, departing Fri, Sep 26 from Cardiff to Houston, returning Mon, Sep 29, priced at $2,743 found 5 hours ago

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 $972 or cheap return flight from $1,022 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 October 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.

Travel information

Travel information

Origin airport
Cardiff Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air France, British Airways, Delta, KLM, Virgin Atlantic
Roundtrip price
$1,022
Distance
4710 mi

Book with confidence

Book with confidence

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 October. 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 $972 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.

 

Cardiff to Houston Flights

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*Available to One Key members.