AirHint found the following cheapest return flights from London (LHR) to Perth (PER) in July 2026 (see full year).

Return flights

17 Jul - 25 Jul	Lufthansa
09 Jul - 23 Jul	Lufthansa
03 Jul - 17 Jul	Thai Airways
01 Jul - 22 Jul	Lufthansa
01 Jul - 08 Jul	Cathay Pacific
15 Jul - 22 Jul	Lufthansa
08 Jul - 22 Jul	Singapore Airlines
18 Jul - 20 Jul	Lufthansa
19 Jul - 26 Jul	Thai Airways
03 Jul - 17 Jul	Qantas	direct

Also check the deals for one-way flights from London to Perth in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Perth

Cheap car rent in Perth

Cheapest return flights from London to Perth in July from 1054€

Return flights