Cheap flights from Cardiff to Phnom Penh
Cheap return flights from Cardiff to Phnom Penh
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Phnom Penh flight facts
What you need to know
What are the cheapest airlines?
- AirAsia
- Vietnam Airlines
- Qatar Airways
These airlines usually offer the cheapest flights from Cardiff to Phnom Penh.
What airlines fly indirectly?
- Emirates
- Turkish Airlines
- Singapore Airlines
These airlines fly from Cardiff to Phnom Penh, but you’ll have at least one layover.
How long is the flight?
18 hours
This is the shortest flight time from Cardiff to Phnom Penh.
Alternative flights from the UK to Phnom Penh
Check out prices for other routes
Alternative flights from Cardiff
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Cardiff/Phnom Penh route. There are around 35 flights on any given week from the UK to Phnom Penh and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Cardiff to Phnom Penh
Tips and advice from our flight experts
You've searched for flights from Cardiff to Phnom Penh. We've found 15 flights and compared them to give you the best offer. On average, AirAsia is the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for £48 from Cardiff to Phnom Penh on 03/03/2026 at 12:45.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 8 airlines that operate the 9,500 km flight from Cardiff to Phnom Penh.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. AirAsia is a popular and affordable choice for this route, with an average flight duration of 18 hours. After selecting an offer, fill out your information and make the payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Phnom Penh
Where other people are flying to
