Cheap Flights from London to Perth
Round-trip economy fares between London (LHR) and Perth (PER) average A$1,788 across the year. Book for June and typical prices fall to A$1,430. The 14,508 km hop takes about 17.7 hours non-stop, and the nicest window to visit Perth is September – November (wildflowers) & March – May.
Today's tracked low
A$1,359 −5% vs. seasonal low
Not flying from London? See Perth deals from your nearest hub.
When is the cheapest time to fly from London to Perth?
Average round-trip economy fare by departure month. June is the statistical sweet spot at A$1,430.
| Month | Avg. round-trip | vs. yearly average |
|---|---|---|
| January | A$2,146 | +A$358 |
| February | A$1,967 | +A$179 |
| March | A$1,824 | +A$36 |
| April | A$1,716 | −A$72 |
| May | A$1,538 | −A$250 |
| June Cheapest | A$1,430 | −A$358 |
| July | A$1,466 | −A$322 |
| August | A$1,538 | −A$250 |
| September | A$1,681 | −A$107 |
| October | A$1,860 | +A$72 |
| November | A$2,003 | +A$215 |
| December | A$2,289 | +A$501 |
Travel Readiness & Connectivity — Australia
ETA / eVisitor authorisation required before boarding.
Instant eSIM data for Australia
7 days
3 GB data
A$12.00 · A$1.71/day
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14 days
5 GB data
A$22.00 · A$1.57/day
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30 days
10 GB data
A$33.00 · A$1.10/day
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London to Perth flight FAQs
- What is the cheapest month to fly from London to Perth?
- June is typically cheapest, with round-trips from A$1,430 — about A$358 under the yearly average of A$1,788.
- How long is the flight from London to Perth?
- Non-stop services cover the 14,508 km route in roughly 17.7 hours.
- When is the best time to visit Perth?
- September – November (wildflowers) & March – May. Entry requirements: ETA / eVisitor authorisation required before boarding.