Cathay Pacific Flight 100 Deals & Information (2025/2026)

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Cathay Pacific Flight 100 Route Deals From $460

The cheapest prices found with in the last 7 days for return flights were $646 and $460 for one-way flights to Hong Kong Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 6 - Thu, Nov 13
SYD
Kingsford Smith Intl.
HKG
Hong Kong Intl.
$646 Roundtrip, found 3 hours ago
$646
Roundtrip
found 3 hours ago
Select Cathay Pacific flight, departing Thu, Nov 6 from Kingsford Smith Intl. to Hong Kong Intl., returning Thu, Nov 13, priced at $646 found 3 hours ago

Frequently asked questions

What route does flight number CX100 take?
CX100 jets between Kingsford Smith Intl. Airport (SYD) and Hong Kong Airport (HKG-Hong Kong Intl.) and flies direct. This trip generally takes 9 hours and 15 minutes.
What terminal does CX100 fly out of?
CX100 runs between Kingsford Smith Intl. Airport (SYD) and Chek Lap Kok Intl. Airport, and travelers on this flight typically board the aircraft from Terminal 1.
What kind of plane is on flight number CX100?
Chances are you'll be jumping on board the Airbus A350-900 if you're traveling on flight number CX100. This flight usually sets off from Sydney, NSW Airport (SYD-Kingsford Smith Intl.) and lands at HKG.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your CX100 flight with Travelocity, please visit our Customer Service Portal.