Sydney (SYD) to London Heathrow (LHR) flight deal in premium economy from $3,619

Cathay PacificCXCathay Pacific
Round Trip•Premium Economy
AustraliaSYD

Sydney Airport

Sydney, Australia
United KingdomLHR

London Heathrow Airport

London Heathrow, United Kingdom
$4,012 USD
-10%$3,619 USD
Verified 16 days ago
Good Availability
59% of dates checked are available within 10% of the lowest price

Sunday, July 19th, 2026

6 round-trip options

Returning
Fri, Jul 24, 2026•5 Day Trip
$4,684 USD
Google Flights
Returning
Sun, Jul 26, 2026•7 Day Trip
$3,653 USD
Google Flights
Returning
Mon, Jul 27, 2026•8 Day Trip
$4,684 USD
Google Flights
Returning
Tue, Jul 28, 2026•9 Day Trip
$3,653 USD
Google Flights
Returning
Fri, Jul 31, 2026•12 Day Trip
$3,997 USD
Google Flights
Returning
Sun, Aug 2, 2026•14 Day Trip
$3,653 USD
Google Flights