Book a trip from Boston to Sydney with Cathay Pacific , fares from USD2,139

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
05/01/2026 - 28/01/2026

From

USD2,139

Seen 1 day ago

Boston (BOS)Sydney (SYD)Round-trip
/
Economy
04/01/2026 - 27/01/2026

From

USD2,189

Seen 1 day ago

Book Business Class flights to Sydney - selected offers

USD
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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.