Hong Kong (HKG) to Sydney (SYD) cheap flight deal from $399 USD in economy class

TRScoot

Round Trip•Economy

HKG

Hong Kong International Airport

Hong Kong, Hong Kong

SYD

Sydney Airport

Sydney, Australia

$643 USD

-38%$399 USD

Verified Sep 20, 2025 at 10:48 AM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$834 30$918 1$1,008 2 3$918 4$708 5 6$791 7$791 8$708 9 10$791 11$791 12 13$636 14$564 15$637 16$572 17 18$517 19 20$407 21$407 22$399 23$442 24$476 25$525 26$475 27$407 28$407 29$399 30$407 31$501 1 2

Limited Availability

12% of dates checked are available within 10% of the lowest price

Thursday, October 23rd, 2025

8 round-trip options

Returning

Tue, Oct 28, 2025•5 Day Trip

$442 USD

Google Flights

Returning

Wed, Oct 29, 2025•6 Day Trip

$442 USD

Google Flights

Returning

Thu, Oct 30, 2025•7 Day Trip

$442 USD

Google Flights

Returning

Fri, Oct 31, 2025•8 Day Trip

$467 USD

Google Flights

Returning

Sat, Nov 1, 2025•9 Day Trip

$494 USD

Google Flights

Returning

Sun, Nov 2, 2025•10 Day Trip

$467 USD

Google Flights

Returning

Mon, Nov 3, 2025•11 Day Trip

$442 USD

Google Flights

Returning

Tue, Nov 4, 2025•12 Day Trip

$442 USD

Google Flights