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

Return flights

02 Jun - 10 Jun	Air India
08 Jun - 15 Jun	Air India
01 Jun - 11 Jun	Air India
12 Jun - 15 Jun	Air India
10 Jun - 23 Jun	Air India
03 Jun - 07 Jun	Air India
04 Jun - 16 Jun	Air India
01 Jun - 14 Jun	Air India
02 Jun - 16 Jun	Air India
09 Jun - 16 Jun	Air India
07 Jun - 03 Jul	Air India
18 Jun - 01 Jul	Air India
29 Jun - 06 Jul	Air India
24 Jun - 05 Jul	Air India
10 Jun - 08 Jul	Air India
22 Jun - 07 Jul	Air India
25 Jun - 07 Jul	Air India
24 Jun - 15 Jul	Air India
23 Jun - 12 Jul	Air India
27 Jun - 13 Jul	Air India

Also check the deals for one-way flights from London to Sydney in June.

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 June from 676€

Return flights