Cheap flights from London to Adelaide
Cheap return flights from London to Adelaide
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Adelaide flight facts
What you need to know
What are the cheapest airlines?
- Qantas
- Singapore Airlines
- Emirates
These airlines usually offer the cheapest flights from London to Adelaide.
What airlines fly indirectly?
- Qatar Airways
- Etihad Airways
- Cathay Pacific
These airlines fly from London to Adelaide, but you’ll have at least one layover.
How long is the flight?
22 hours
This is the shortest flight time from London to Adelaide.
Alternative flights from the UK to Adelaide
Check out prices for other routes
Alternative flights from London
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 London/Adelaide route. There are around 35 flights on any given week from the UK to Adelaide 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 London to Adelaide
Tips and advice from our flight experts
You've searched for flights from London to Adelaide. We've found 15 flights and compared them to give you the best offers. Qantas is the average cheapest airline for this route, so look out for them. The cheapest offer we've found is a one way ticket for the route London to Adelaide on 24/05/2026 at 19:25 for £50.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 16,900 km flight from London to Adelaide.
To find the best offers, book in advance and consider traveling in the off-peak season. Qantas is a popular, budget-friendly airline for this route, with an average flight duration of 22 hours. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Adelaide
Where other people are flying to
