Cheapest one-way flights from London to Sydney in January from $662

AirHint found the following cheapest one-way flights from London (LHR) to Sydney (SYD) in January 2026 (see full year).

One-Way flights

25 Jan Aegean Airlines
29 Jan Aegean Airlines
18 Jan Aegean Airlines
30 Jan Hainan Airlines
31 Jan China Airlines
22 Jan Aegean Airlines
11 Jan Aegean Airlines
20 Jan China Southern
28 Jan Austrian Airlines
16 Jan Hainan Airlines

Also check the deals for return flights from London to Sydney in January.

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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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