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

Sunday, December 20th, 2026

8 round-trip options

Returning
Fri, Dec 25, 20265 Day Trip
$6,774 USD
Returning
Sat, Dec 26, 20266 Day Trip
$6,774 USD
Returning
Mon, Dec 28, 20268 Day Trip
$6,747 USD
Returning
Tue, Dec 29, 20269 Day Trip
$6,747 USD
Returning
Wed, Dec 30, 202610 Day Trip
$6,747 USD
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Thu, Dec 31, 202611 Day Trip
$6,747 USD
Returning
Fri, Jan 1, 202712 Day Trip
$8,021 USD
Returning
Sun, Jan 3, 202714 Day Trip
$7,994 USD