$1,677 Cheap Flights from Cardiff (CWL) to Perth (PER)

View $1,677 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to Perth Airport (PER)

Cheap Flights from Cardiff to Perth (CWL-PER)

Prices were available within the past 7 days and start at $1,677 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cardiff (CWL) to Perth (PER)
Origin airport
Cardiff Intl.
Destination airport
Perth
Distance
9137 mi

Cardiff to Perth Flights

The cheapest times to fly from Cardiff to Perth

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

 

The best time to book a flight from Cardiff to Perth

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

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 Perth in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,677 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 Perth 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 Perth 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 Cardiff Intl. Airport (CWL) to Perth Airport (PER) cost?
Get a cheap one-way flight from $1,677 or cheap return flight from Cardiff Intl. Airport (CWL) to Perth Airport (PER) 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 Cardiff Intl. Airport (CWL) to Perth Airport (PER)?
The cheapest month to fly from CWL to PER is , when demand is low. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Perth Airport (PER)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CWL to PER flight.
How many flights per day from Cardiff Intl. Airport (CWL) to Perth Airport (PER)?
Nonstop flights from Cardiff Intl. Airport (CWL) to Perth Airport (PER) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to PER?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Perth Airport (PER)?
To land at Perth Airport (PER) on time, pick a flight that takes off from 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 Perth Airport (PER) last-minute?
Booking your plane ticket from CWL to PER right before your journey is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a CWL to PER flight and hotel package?
You'll typically save money by booking a CWL to PER 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 it all in one place. Once you've chosen your preferred flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Perth Airport (PER)?
In most cases, you can cancel or reschedule your CWL to PER flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.