Cheap flights from Perth to London
Cheap return flights from Perth to London
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
London flight facts
What you need to know
What are the cheapest airlines?
- Qantas
- Singapore Airlines
- Emirates
These airlines usually offer the cheapest flights from Perth to London.
What airlines fly indirectly?
- Cathay Pacific
- Malaysia Airlines
- Thai Airways
These airlines fly from Perth to London, but you’ll have at least one layover.
How long is the flight?
22 hours
This is the shortest flight time from Perth to London.
Alternative flights from the UK to London
Check out prices for other routes
Alternative flights from Perth
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 Perth/London route. There are around 35 flights on any given week from the UK to London 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 Perth to London
Tips and advice from our flight experts
You've searched for flights from Perth to London. We've found 15 flights and compared them to give you the best offer. On average, Qantas is the cheapest airline for this route, so keep an eye out for them. The cheapest offer we've found is a one-way ticket for the route from Perth to London on 18/03/2026 at 12:30 for £74.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 14,500 km flight from Perth to London.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The best time to fly is during the shoulder seasons of spring and autumn. A popular and affordable airline for this route is Qantas, with an average flight duration of 22 hours. After selecting an offer, fill out your information and proceed to payment. Don't forget to book a hotel with us or use our flight + hotel service to save time and money!
Other popular destinations near London
Where other people are flying to
