Book a trip from London to Sydney with Cathay Pacific , fares from GBP843

Deals on London (LHR) to Sydney (SYD) flights

Jul 2025
FromGBP1,675*
Seen 1 day ago
Round trip/Economy
Aug 2025
FromGBP1,080*
Seen 1 day ago
Round trip/Economy
Sep 2025
FromGBP844*
Seen 1 day ago
Round trip/Economy
GBP1.7K
Displaying fares for July-2025
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    • RangeGBP1,675-GBP2,193

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.