London Heathrow (LHR) to Sydney (SYD) flight deal in premium economy from $4,427

Friday, December 18th, 2026

8 round-trip options

Returning
Wed, Dec 23, 20265 Day Trip
$6,774 USD
Returning
Thu, Dec 24, 20266 Day Trip
$6,774 USD
Returning
Sat, Dec 26, 20268 Day Trip
$6,800 USD
Returning
Sun, Dec 27, 20269 Day Trip
$7,703 USD
Returning
Mon, Dec 28, 202610 Day Trip
$6,774 USD
Returning
Tue, Dec 29, 202611 Day Trip
$6,774 USD
Returning
Wed, Dec 30, 202612 Day Trip
$6,774 USD
Returning
Fri, Jan 1, 202714 Day Trip
$8,048 USD