Australia → United Kingdom
Cheap flights from Sydney to London
SYDLHR
one-way from A$730AUD*
Free — no booking fees Prices in AUD Updated daily Live fares, no spam
Cheapest Sydney → London fares right now
Cheapest around 2026-10-18China Eastern AirlinesCheapest
40 hr 40 min1 stop12:00 PM → 6:40 PM
Air China
31 hr1 stop8:40 PM → 5:40 PM
Air China
33 hr 45 min1 stop8:40 PM → 8:25 PM
Etihad AirwaysFastest
25 hr 10 min1 stop9:35 PM → 12:45 PM
*Indicative live fares for a sample date, in AUD. Prices change at booking — search for your exact dates above.
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Flying Sydney to London
Sky Spy compares live one-way fares from Sydney (SYD) to London (LHR), pulling prices directly and ranking them cheapest-first in AUD. Rather than checking airlines one at a time, you see the best Sydney–London deals in a single sortable view — including smart self-transfer connections through hub cities that most search engines hide.
Flexible on exactly where you land in United Kingdom? Search the whole region at once and let Sky Spy surface the cheapest entry point.
Tips for a cheaper SYD → LHR fare
- Fares to United Kingdom are usually lowest outside school holidays and peak summer.
- Use the ±days search to find the single cheapest day to fly SYD → LHR.
- One-way pricing lets you mix airlines for the lowest total trip cost.
- Mid-week departures (Tue–Thu) often beat weekend fares.