Cheap flights from London to Sydney
one-way from A$1,201AUD*
Cheapest London → Sydney fares right now
Cheapest around 19-Jan-2027
A$1,201
one-way
Compare live prices
Compare on Google FlightsA$1,217
one-way
Compare live prices
Compare on Google FlightsA$1,227
one-way
Compare live prices
Compare on Google FlightsA$1,246
one-way
Compare live prices
Compare on Google Flights*Indicative live fares for a sample date, in AUD. Prices change at booking — search for your exact dates above.
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Flying London to Sydney
Sky Spy compares live one-way fares from London (LHR) to Sydney (SYD), pulling prices directly and ranking them cheapest-first in AUD. Rather than checking airlines one at a time, you see the best London–Sydney 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 Australia? Search the whole region at once and let Sky Spy surface the cheapest entry point.
Tips for a cheaper LHR → SYD fare
- Fares to Australia are usually lowest outside school holidays and peak summer.
- Use the ±days search to find the single cheapest day to fly LHR → SYD.
- One-way pricing lets you mix airlines for the lowest total trip cost.
- Mid-week departures (Tue–Thu) often beat weekend fares.