The Houses of Parliament and Big Ben in London, with a red double-decker bus crossing the Lambeth Bridge.

฿25,375 Cheap Cathay Pacific flights from Sydney to London (SYD→LON)

View ฿25,375 flight on Thu, 29 Oct 2026Opens in a new window

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Cathay Pacific flights from Sydney to London (SYD→LON)

Prices were available within the past 7 days and start at ฿25,375 for one-way flights and ฿43,825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Sat, 24 Oct - Mon, 9 Nov
SYD
Sydney
LHR
London
฿43,825 Return, found 6 days ago
฿43,825
Return
found 6 days ago
Select Cathay Pacific flight, departing Sat, 24 Oct from Sydney to London, returning Mon, 9 Nov, priced at ฿43,825 found 6 days ago

Find the cheapest month to fly from Sydney (SYD) to London (LON)

November is typically the cheapest month to fly

From ฿31,356 - ฿39,664 per traveller.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Heathrow
Distance
16918 km
*Available to Expedia members.