London Stansted (STN) to Sydney (SYD) flight deal in premium economy from $4,417

Monday, December 21st, 2026

9 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$6,782 USD
Returning
Sun, Dec 27, 20266 Day Trip
$6,783 USD
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Mon, Dec 28, 20267 Day Trip
$6,755 USD
Returning
Tue, Dec 29, 20268 Day Trip
$6,755 USD
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Wed, Dec 30, 20269 Day Trip
$7,691 USD
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Thu, Dec 31, 202610 Day Trip
$7,691 USD
Returning
Sat, Jan 2, 202712 Day Trip
$8,038 USD
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Sun, Jan 3, 202713 Day Trip
$8,011 USD
Returning
Mon, Jan 4, 202714 Day Trip
$8,011 USD