Flight time from London to Perth
A nonstop flight from London (LHR) to Perth (PER) takes about 16 h 45 min. Flying back from Perth to London takes about 17 h 55 min. The two airports are 9,015 miles (14,508 km) apart.
| Route | Typical nonstop time | Leave 9:00 AM, land (local time) |
|---|---|---|
| LHR → PER | 16h 45m | London → 9:45 AM the next day |
| PER → LHR | 17h 55m | Perth → 6:55 PM |
Example arrival times are for a departure on November 18, 2026. Times are estimates of gate-to-gate block time, from the great-circle distance, typical jet cruising speeds, average upper-level winds and about 45 minutes for taxi, take-off, climb and landing. They are not airline schedules, and we don't track which airlines fly this route nonstop. Real flights vary by aircraft, routing, season and the day's wind; check your airline for the exact time.
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Time difference
Perth is 7 hours ahead of London right now. Allow for it when you plan: the clock at your destination may show a very different time from the hours you spent in the air. See the time now in London and Perth, or compare them in the time zone converter.
The London to Perth flight is usually quicker than Perth to London. High-altitude winds, led by the jet stream, mostly blow from west to east, so planes heading east ride a tailwind and planes heading west fight a headwind. On busy routes the difference shows up in airline timetables every day.
At about 17 h 55 min nonstop, this is an ultra-long-haul distance that only long-range jets can cover without a stop, and many travellers connect instead, adding hours to the trip.
Questions people ask
How long is the flight from London to Perth?
A nonstop flight from London (LHR) to Perth (PER) takes about 16 h 45 min, gate to gate. The return flight takes about 17 h 55 min.
How far is Perth from London?
9,015 miles (14,508 km) along the great-circle route, the shortest path over the Earth between LHR and PER airports.
What is the time difference between London and Perth?
Perth is 7 hours ahead of London right now. The difference can change by an hour during the year when one city changes its clocks for daylight saving time and the other does not.
If I leave London at 9 a.m., when do I arrive in Perth?
Leaving London at 9:00 AM on November 18, 2026, you would land in Perth at about 9:45 AM the next day local time.
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Last updated October 21, 2026. Airport locations: OurAirports via airportsdata; time zones: IANA time zone database 2026.