$521 Cheap Flights from Phoenix (PHX) to Cardiff (CWL)

View $521 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Cardiff International Airport (CWL)

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Cheap Flights from Phoenix to Cardiff (PHX-CWL)

Prices were available within the past 7 days and start at $521 for one-way flights and $860 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$860 Roundtrip, found 1 day ago
$860
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $860 found 1 day ago
Virgin Atlantic
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$860 Roundtrip, found 1 day ago
$860
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $860 found 1 day ago
Virgin Atlantic
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$860 Roundtrip, found 1 day ago
$860
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $860 found 1 day ago
Delta
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$868 Roundtrip, found 1 day ago
$868
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $868 found 1 day ago
Delta
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$868 Roundtrip, found 1 day ago
$868
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $868 found 1 day ago
Virgin Atlantic
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$875 Roundtrip, found 1 day ago
$875
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $875 found 1 day ago
Virgin Atlantic
Mon, Oct 6 - Tue, Oct 21
PHX
Phoenix
CWL
Cardiff
$883 Roundtrip, found 1 day ago
$883
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Mon, Oct 6 from Phoenix to Cardiff, returning Tue, Oct 21, priced at $883 found 1 day ago
Delta
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$883 Roundtrip, found 1 day ago
$883
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $883 found 1 day ago
Virgin Atlantic
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$886 Roundtrip, found 1 day ago
$886
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $886 found 1 day ago
KLM
Tue, Mar 10 - Tue, Mar 17
PHX
Phoenix
CWL
Cardiff
$894 Roundtrip, found 1 day ago
$894
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Mar 10 from Phoenix to Cardiff, returning Tue, Mar 17, priced at $894 found 1 day ago
Flights from Phoenix (PHX) to Cardiff (CWL)
Origin airport
Sky Harbor Intl.
Destination airport
Cardiff Intl.
Airlines serving
Virgin Atlantic
Roundtrip price
$860
Distance
5160 mi

Phoenix to Cardiff Flights

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

 

The best time to book a flight from Phoenix to Cardiff

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Cardiff in 2025. You can also book with separate airlines for your outbound and return journeys, from $521 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 Phoenix 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 Phoenix 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.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL) cost?
Secure a cheap one-way flight from $521 or cheap return flight from $860 from Sky Harbor Intl. Airport (PHX) 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 Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL)?
March is the cheapest month to fly from PHX to CWL. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL)?
To find the cheapest airline flying from PHX to CWL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL)?
There are no daily direct flights from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PHX to CWL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often 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 Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL)?
Choose a flight from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL) last-minute?
Last-minute bookings from PHX to CWL are typically more expensive. For the best prices, start looking for flights ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a PHX to CWL flight and hotel package?
You can save money by securing a PHX 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 simple to manage it all in one place. After choosing your ideal flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Cardiff Intl. Airport (CWL)?
Typically, you can cancel or modify your PHX to CWL flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.