£314 Cheap Flights from Houston (IAH) to Cardiff (CWL)

View £314 flight on Mon, 2 Nov 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 (IAH) to Cardiff (CWL)

Prices were available within the past 7 days and start at £314 for one-way flights and £883 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£883 Return, found 1 day ago
£883
Return
found 1 day ago
Select Air France flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £883 found 1 day ago
KLM
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£883 Return, found 1 day ago
£883
Return
found 1 day ago
Select KLM flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £883 found 1 day ago
Virgin Atlantic
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£883 Return, found 1 day ago
£883
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £883 found 1 day ago
Air France
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£887 Return, found 1 day ago
£887
Return
found 1 day ago
Select Air France flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £887 found 1 day ago
Virgin Atlantic
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£903 Return, found 1 day ago
£903
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £903 found 1 day ago
Virgin Atlantic
Sun, 3 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£907 Return, found 3 days ago
£907
Return
found 3 days ago
Select Virgin Atlantic flight, departing Sun, 3 May from Houston to Cardiff, returning Mon, 11 May, priced at £907 found 3 days ago
Virgin Atlantic
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£907 Return, found 1 day ago
£907
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £907 found 1 day ago
KLM
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£911 Return, found 1 day ago
£911
Return
found 1 day ago
Select KLM flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £911 found 1 day ago
KLM
Sun, 3 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£920 Return, found 3 days ago
£920
Return
found 3 days ago
Select KLM flight, departing Sun, 3 May from Houston to Cardiff, returning Mon, 11 May, priced at £920 found 3 days ago
Virgin Atlantic
Mon, 4 May - Mon, 11 May
IAH
Houston
CWL
Cardiff
£921 Return, found 1 day ago
£921
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 4 May from Houston to Cardiff, returning Mon, 11 May, priced at £921 found 1 day ago

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) cost?
One-way flights typically cost between £329 and £1,208 and return flights often range between £329 and £1,208. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
There are approximately 13 connecting flights per day from George Bush Intercontinental (IAH) to Cardiff Intl. (CWL). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Minneapolis - St. Paul Intl. (MSP), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) typically departs at approximately 5:15 AM local time. This service is operated by Delta and KLM. This is a seasonal service active in January. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
You'll typically find the most flights from George Bush Intercontinental (IAH) to Cardiff Intl. (CWL) on a Saturday, with around 29 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, British Airways, and KLM.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
The most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) are in the afternoon, from 3pm to 6pm. About 52% of passengers prefer this time window. Many major carriers, including Delta, British Airways and KLM, offer flights during this window. This timing works well because it allows you to have a productive morning before heading to the airport, and you'll arrive in Cardiff ready to start your evening.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
A flight from IAH to CWL with a layover takes around 12 hours 20 minutes, with the route covering approximately 4,711 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
Select the "Business class" and "First class" filters when looking for IAH to CWL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff from George Bush Intercontinental (IAH)?
If you're planning to travel to Cardiff from George Bush Intercontinental (IAH), you can fly directly into Cardiff Intl. (CWL) Some flights may connect through major hubs like Heathrow (LHR), Detroit Metropolitan Wayne County (DTW), Minneapolis - St. Paul Intl. (MSP) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Cardiff Intl.
Airlines serving
Air France, KLM, Virgin Atlantic
Return price
£882
Distance
7536 km

Book with confidence

Compare flights from Houston to Cardiff easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Cardiff. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cardiff Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Cardiff Intl..  

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 Cardiff Intl. (CWL)

The easiest way to view the best deals on flights from Houston to Cardiff 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 Cardiff Intl. start at just £883 and range up to £921.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Cardiff
  • booking your flight during May, 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 Cardiff flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Cardiff Intl. 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.  

Compare flights from Houston to Cardiff easily and book with confidence

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*Available to Expedia members.