Cheap flights from London to Sydney
Cheapest return fare right now: £8506 Dec – 22 Dec · Air China
- Direct flights
- No
- Typical flight time
- 20 h 50 min
- Price range seen
- £850 – £982
- Cheapest month (next 3 months)
- December 2026
Best dates
| Dates | Nights | Airline | Stops | From | Price | |
|---|---|---|---|---|---|---|
| 6 Dec – 22 Dec | 16 | Air China | 1 | London Heathrow | £850 | Book → |
| 6 Dec – 27 Dec | 21 | Air China | 1 | London Heathrow | £850 | Book → |
| 5 Dec – 25 Dec | 19 | China Southern Airlines | 2 | London Heathrow | £895 | Book → |
| 6 Dec – 27 Dec | 21 | easyJet | 3 | London Luton | £900 | Book → |
| 7 Dec – 24 Dec | 16 | China Southern Airlines | 1 | London Heathrow | £909 | Book → |
| 5 Dec – 26 Dec | 20 | China Southern Airlines | 1 | London Heathrow | £919 | Book → |
Prices checked on 12 October 2026.
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