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

Return flights

03 Mar - 12 Mar	Air China
03 Mar - 15 Mar	Air China
08 Mar - 15 Mar	Air China
08 Mar - 19 Mar	Air China
03 Mar - 17 Mar	Air China
03 Mar - 14 Mar	Air China
05 Mar - 15 Mar	Air China
03 Mar - 19 Mar	Air China
10 Mar - 17 Mar	Air China
12 Mar - 19 Mar	Air China
18 Mar - 07 Apr	Air India
16 Mar - 06 Apr	Air India
18 Mar - 05 Apr	Air India
17 Mar - 07 Apr	Air India
16 Mar - 07 Apr	Air India
16 Mar - 05 Apr	Air India
10 Mar - 24 Apr	China Eastern
10 Mar - 07 Apr	China Eastern
11 Mar - 23 Apr	China Eastern
10 Mar - 23 Apr	China Eastern

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

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 Sydney

Cheap car rent in Sydney

Cheapest return flights from London to Sydney in March from 612€

Return flights