$496 Cheap Flights from Austin (AUS) to Cardiff (CWL)

View $496 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Cardiff International Airport (CWL)

Cheap Flights from Austin to Cardiff (AUS-CWL)

Prices were available within the past 7 days and start at $496 for one-way flights and $797 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 29 - Thu, Oct 9
AUS
Austin
CWL
Cardiff
$797 Roundtrip, found 12 hours ago
$797
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Sep 29 from Austin to Cardiff, returning Thu, Oct 9, priced at $797 found 12 hours ago
Delta
Tue, Sep 30 - Thu, Oct 9
AUS
Austin
CWL
Cardiff
$802 Roundtrip, found 12 hours ago
$802
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Sep 30 from Austin to Cardiff, returning Thu, Oct 9, priced at $802 found 12 hours ago
Delta
Mon, Sep 29 - Sat, Oct 11
AUS
Austin
CWL
Cardiff
$847 Roundtrip, found 12 hours ago
$847
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Sep 29 from Austin to Cardiff, returning Sat, Oct 11, priced at $847 found 12 hours ago
Delta
Tue, Sep 30 - Sat, Oct 11
AUS
Austin
CWL
Cardiff
$852 Roundtrip, found 12 hours ago
$852
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Sep 30 from Austin to Cardiff, returning Sat, Oct 11, priced at $852 found 12 hours ago
Virgin Atlantic
Mon, Mar 2 - Wed, Mar 18
AUS
Austin
CWL
Cardiff
$853 Roundtrip, found 6 days ago
$853
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Mon, Mar 2 from Austin to Cardiff, returning Wed, Mar 18, priced at $853 found 6 days ago
Virgin Atlantic
Mon, Sep 22 - Wed, Oct 1
AUS
Austin
CWL
Cardiff
$854 Roundtrip, found 3 days ago
$854
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Mon, Sep 22 from Austin to Cardiff, returning Wed, Oct 1, priced at $854 found 3 days ago
KLM
Wed, Oct 1 - Wed, Oct 8
AUS
Austin
CWL
Cardiff
$857 Roundtrip, found 12 hours ago
$857
Roundtrip
found 12 hours ago
Select KLM flight, departing Wed, Oct 1 from Austin to Cardiff, returning Wed, Oct 8, priced at $857 found 12 hours ago
Virgin Atlantic
Tue, Mar 3 - Wed, Mar 18
AUS
Austin
CWL
Cardiff
$857 Roundtrip, found 6 days ago
$857
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Tue, Mar 3 from Austin to Cardiff, returning Wed, Mar 18, priced at $857 found 6 days ago
Delta
Wed, Sep 24 - Thu, Oct 2
AUS
Austin
CWL
Cardiff
$859 Roundtrip, found 1 day ago
$859
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 24 from Austin to Cardiff, returning Thu, Oct 2, priced at $859 found 1 day ago
Air France
Thu, Apr 9 - Sun, Apr 12
AUS
Austin
CWL
Cardiff
$1,021 Roundtrip, found 1 day ago
$1,021
Roundtrip
found 1 day ago
Select Air France flight, departing Thu, Apr 9 from Austin to Cardiff, returning Sun, Apr 12, priced at $1,021 found 1 day ago

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL) cost?
Snag a cheap one-way flight from $496 or cheap return flight from $797 from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL)?
September is the most affordable month to fly from AUS to CWL. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest AUS to CWL flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL)?
You'll need to take a flight with a layover when traveling from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from AUS to CWL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL)?
To touch down at Cardiff Intl. Airport (CWL) on time, select a flight that leaves from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute fares from AUS to CWL are generally more expensive. For the cheapest rates, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book an AUS to CWL flight and hotel package?
You'll typically save money by securing an AUS to CWL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Cardiff Intl. Airport (CWL)?
Typically, you're able to cancel or reschedule your AUS to CWL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Cardiff Intl.
Airlines serving
Air France, Delta, KLM, Virgin Atlantic
Roundtrip price
$797
Distance
4792 mi

Book with confidence

Book with confidence

Austin to Cardiff Flights

The cheapest times to fly from Austin 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 Austin to Cardiff are during the month of September. You can find some of the cheapest flights from Austin to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Cardiff

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $496 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 Austin 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 Austin 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.

 

Austin to Cardiff Flights

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Explore a world of travel with Expedia

*Available to One Key members.