Cheap flights from London to Sydney
One-way fares from $506, found recently by travellers. Plus what 5 days in Sydney costs once you land.
Cheapest dates we found
- 2 Dec2026STN → SYDRyanair · 3 stops · 24h 40m$506one way
- 19 Nov2026STN → SYDRyanair · 2 stops · 23h 5m$528one way
- 11 Nov2026LGW → SYDAir China · 1 stop · 20h 50m$532one way
- 30 Nov2026LHR → SYDHU · 1 stop · 26h 10m$548one way
- 16 Nov2026LTN → SYDW9 · 2 stops · 24h 45m$554one way
- 4 Nov2026LGW → SYDAir China · 1 stop · 20h 50m$557one way
- 15 Nov2026LGW → SYDAir China · 1 stop · 20h 55m$560one way
- 22 Nov2026STN → SYDEC · 3 stops · 24h 5m$565one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Airlines on this route
Recent cheap fares were with Ryanair, Air China, HU, W9, EC. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Sydney
September to November and March to May. December to February is summer, peak season and the most expensive.
Money-saving tips for Sydney
- Tap a contactless card on trains, buses and ferries; daily and weekly caps apply, and Sundays are capped low.
- Ferries to Manly are a cheap harbour cruise.
- Self-catering from supermarkets saves a lot; restaurants are expensive.
Questions
How much is a flight from London to Sydney?
The cheapest one-way fare we found recently was $506 with Ryanair on 2 Dec 2026. Most of the fares we saw were between $506 and $565 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from London to Sydney?
The quickest flight in our recent results took 20h 50m with 1 stop.
Are there direct flights from London to Sydney?
The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.
How much money do I need for 5 days in Sydney?
About $415 for one backpacker, or $1,910 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $1,012 per person for a return flight from London.
More flights from London
Fly to Sydney from
- Istanbul
- Lisbon
- Barcelona
- Rome
- Paris
- Amsterdam
- Prague
- Budapest
- Athens
- Frankfurt
- Berlin
- Munich
- Madrid
- Milan
- Manchester
- Dublin
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.