United Kingdom → Australia
Cheap flights from London to Perth
LHRPER
one-way from A$1,007AUD*
Free — no booking fees Prices in AUD Updated daily Live fares, no spam
Cheapest London → Perth fares right now
Cheapest around 2026-09-04Austrian, THAICheapest
50 hr 5 min2 stops6:00 AM → 3:05 PM +2
A$1,007
one-way
Austrian, THAI
47 hr2 stops9:05 AM → 3:05 PM +2
A$1,007
one-way
Austrian, THAI
43 hr 45 min2 stops12:20 PM → 3:05 PM +2
A$1,007
one-way
Austrian, THAIFastest
36 hr 35 min2 stops7:30 PM → 3:05 PM +2
A$1,007
one-way
*Indicative live fares for a sample date, in AUD. Prices change at booking — search for your exact dates above.
Flying London to Perth
Sky Spy compares live one-way fares from London (LHR) to Perth (PER), pulling prices directly and ranking them cheapest-first in AUD. Rather than checking airlines one at a time, you see the best London–Perth 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 → PER 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 → PER.
- One-way pricing lets you mix airlines for the lowest total trip cost.
- Mid-week departures (Tue–Thu) often beat weekend fares.