Book a trip from Boston to Sydney with Cathay Pacific , fares from USD2,198

Direct flights from Boston with three cabin classes to match your style, your Sydney adventure starts from USD2,198

DISCOUNT CODE (OPTIONAL)

Deals on Boston (BOS) to Sydney (SYD) flights

Book flights to Sydney SYD

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Book flights to Sydney SYD
From
To
Fare Type
Dates
Price
Boston (BOS)Sydney (SYD)Round-trip
/
Economy
20/03/2026 - 28/03/2026

From

USD2,198

Seen 1 day ago

Boston (BOS)Sydney (SYD)Round-trip
/
Economy
13/12/2025 - 24/01/2026

From

USD3,111

Seen 1 day ago

Book Business Class flights to Sydney - selected offers

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Flight Deals for Popular Routes on Cathay Pacific

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*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.