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

Return flights

01 Mar - 10 Mar	Air China
01 Mar - 08 Mar	Air China
04 Mar - 24 Mar	China Southern
02 Mar - 24 Mar	China Southern
02 Mar - 19 Mar	China Southern
07 Mar - 16 Mar	China Southern
08 Mar - 22 Mar	China Southern
03 Mar - 12 Mar	Air China
01 Mar - 19 Mar	Air China
01 Mar - 15 Mar	Air China
24 Mar - 25 Apr	China Eastern
12 Mar - 01 Apr	Air India
14 Mar - 07 Apr	Air India
10 Mar - 04 Apr	Air India
08 Mar - 02 Apr	Air India
14 Mar - 04 Apr	Air India
11 Mar - 06 Apr	Air India
12 Mar - 07 Apr	Air India
02 Mar - 20 Apr	Air India
29 Mar - 20 Apr	Air Serbia

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.

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Cheapest return flights from London to Sydney in March from $829

Return flights