$448 Cheap Flights from Houston (IAH) to Cardiff (CWL)

View $448 flight on Thu, Feb 5, 2026Opens in a new window

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

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Cheap Flights from Houston to Cardiff (IAH-CWL)

Prices were available within the past 7 days and start at $448 for one-way flights and $721 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$721 Roundtrip, found 5 hours ago
$721
Roundtrip
found 5 hours ago
Select Virgin Atlantic flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $721 found 5 hours ago
KLM
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$742 Roundtrip, found 5 hours ago
$742
Roundtrip
found 5 hours ago
Select KLM flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $742 found 5 hours ago
Delta
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$747 Roundtrip, found 5 hours ago
$747
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $747 found 5 hours ago
Delta
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$757 Roundtrip, found 5 hours ago
$757
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $757 found 5 hours ago
KLM
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$768 Roundtrip, found 5 hours ago
$768
Roundtrip
found 5 hours ago
Select KLM flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $768 found 5 hours ago
KLM
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$778 Roundtrip, found 5 hours ago
$778
Roundtrip
found 5 hours ago
Select KLM flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $778 found 5 hours ago
Virgin Atlantic
Mon, Nov 17 - Mon, Nov 24
IAH
Houston
CWL
Cardiff
$783 Roundtrip, found 5 hours ago
$783
Roundtrip
found 5 hours ago
Select Virgin Atlantic flight, departing Mon, Nov 17 from Houston to Cardiff, returning Mon, Nov 24, priced at $783 found 5 hours ago
Delta
Sun, Nov 30 - Tue, Dec 9
IAH
Houston
CWL
Cardiff
$790 Roundtrip, found 13 hours ago
$790
Roundtrip
found 13 hours ago
Select Delta flight, departing Sun, Nov 30 from Houston to Cardiff, returning Tue, Dec 9, priced at $790 found 13 hours ago
Delta
Wed, Dec 3 - Tue, Dec 9
IAH
Houston
CWL
Cardiff
$794 Roundtrip, found 17 hours ago
$794
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, Dec 3 from Houston to Cardiff, returning Tue, Dec 9, priced at $794 found 17 hours ago
Air France
Sun, Jun 14 - Sat, Jun 20
IAH
Houston
CWL
Cardiff
$1,432 Roundtrip, found 5 hours ago
$1,432
Roundtrip
found 5 hours ago
Select Air France flight, departing Sun, Jun 14 from Houston to Cardiff, returning Sat, Jun 20, priced at $1,432 found 5 hours ago

Alternative airports near Cardiff

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cardiff Intl. CWL. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $1,371
CWL
Cardiff Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $1,371

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL) cost?
Snag a cheap one-way flight from $448 or cheap return flight from $721 from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL)?
The cheapest month to fly from IAH to CWL is November, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL)?
To find the cheapest airline that'll fly you from IAH to CWL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL)?
You'll need to take a flight with a layover when traveling from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IAH to CWL?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL)?
To arrive at Cardiff Intl. Airport (CWL) on schedule, choose a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood 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 George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute bookings from IAH to CWL are generally more expensive. For the cheapest rates, start searching for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book an IAH to CWL flight and hotel package?
You'll typically save money by securing an IAH to CWL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Cardiff Intl. Airport (CWL)?
If you reserved your IAH to CWL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Cardiff Intl.
Airlines serving
Air France, Delta, KLM, Virgin Atlantic
Roundtrip price
$720
Distance
4710 mi

Book with confidence

Houston to Cardiff Flights

The cheapest times to fly from Houston to Cardiff

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 Houston to Cardiff are during the month of November. You can find some of the cheapest flights from Houston to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Cardiff

Sunday is one of the best days to book for cheap flights from Houston to Cardiff: 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 Houston to Cardiff

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 Houston to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 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 Houston to Cardiff 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 Houston to Cardiff 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.

 

Houston to Cardiff Flights

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*Available to One Key members.