AirHint found the following cheapest return flights from London (LON) to Sydney (SYD) in July 2025 (see full year).

Return flights

28 Jul - 04 Aug	Air China
28 Jul - 05 Aug	Air China
30 Jul - 05 Aug	Pegasus Airlines
31 Jul - 06 Aug	China Eastern
31 Jul - 05 Aug	China Eastern
30 Jul - 03 Aug	Wizz Air UK
28 Jul - 11 Aug	Wizz Air UK
31 Jul - 03 Aug	easyJet
31 Jul - 07 Aug	easyJet
13 Jul - 28 Jul	China Eastern
31 Jul - 08 Aug	easyJet
13 Jul - 23 Jul	Air China
13 Jul - 31 Jul	Air China
13 Jul - 24 Jul	Air China
28 Jul - 31 Jul	Air India
23 Jul - 31 Jul	Air China
22 Jul - 29 Jul	Ryanair
22 Jul - 31 Jul	Ryanair
15 Jul - 22 Jul	China Eastern
21 Jul - 24 Jul	Ryanair

Also check the deals for one-way flights from London to Sydney 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 Sydney in July from $1395

Return flights