AirHint found the following cheapest return flights from London (LTN) to Perth (PER) in July 2025 (see full year).

Return flights

29 Jul - 03 Aug	Ryanair
29 Jul - 12 Aug	Ryanair
29 Jul - 01 Aug	Ryanair
27 Jul - 03 Aug	easyJet
28 Jul - 04 Aug	easyJet
27 Jul - 09 Aug	easyJet
31 Jul - 07 Aug	Wizz Air UK
28 Jul - 02 Aug	easyJet
31 Jul - 17 Aug	Wizz Air UK
28 Jul - 30 Aug	easyJet
29 Jul - 31 Jul	Wizz Air UK
27 Jul - 28 Jul	easyJet

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.

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Cheapest return flights from London to Perth in July from 1169€

Return flights