Cheap flights from Sydney to London
one-way from A$680AUD*
Fly into Paris (CDG) instead
Flying Sydney → Paris costs from A$461 — a nearby gateway to London. Land here and finish the trip overland to save on the fare.
vs flying to London
Cheapest Sydney → London fares right now
Cheapest around 18-Jan-2027
A$680
one-way
Compare live prices
Compare on Google Flights
A$681
one-way
Compare live prices
Compare on Google Flights
A$684
one-way
Compare live prices
Compare on Google FlightsA$695
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.
Need a bed in London?
One search compares hotel prices across hundreds of booking sites — find the cheapest room the same way you found the fare.
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.