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

Return flights

04 Jul - 25 Jul	Oman Air
04 Jul - 26 Jul	Oman Air
12 Jul - 28 Jul	China Southern
11 Jul - 26 Jul	China Southern
12 Jul - 26 Jul	China Southern
10 Jul - 06 Aug	China Southern
07 Jul - 28 Jul	Oman Air
02 Jul - 26 Jul	Oman Air
06 Jul - 20 Jul	China Airlines
03 Jul - 25 Jul	Oman Air
01 Jul - 26 Jul	China Airlines
06 Jul - 03 Aug	China Airlines
08 Jul - 09 Aug	China Airlines
28 Jul - 17 Aug	Austrian Airlines
14 Jul - 11 Aug	Austrian Airlines
04 Jul - 24 Aug	China Southern
30 Jul - 15 Aug	Austrian Airlines
25 Jul - 18 Aug	Air Serbia
30 Jul - 20 Aug	Austrian Airlines
16 Jul - 28 Aug	China Southern

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 $1128

Return flights