Book a trip from Boston to Sydney with Cathay Pacific , fares from USD1,580
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1 Passenger(s), Economy
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Deals on Boston (BOS) to Sydney (SYD) flights
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Book flights to Sydney SYD
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Sydney (SYD) | Round-trip / Economy | 11/10/2025 - 18/10/2025 | From USD2,160 Seen 1 day ago | |
| Boston (BOS) | Sydney (SYD) | Round-trip / Economy | 17/12/2025 - 05/01/2026 | From USD3,337 Seen 1 day ago |
Book Business Class flights to Sydney - selected offers
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There are no fares that match your filter criteria. Please adjust your filters.
There are no fares that match your filter criteria. Please adjust your filters.The Cathay Pacific experience
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Spacious cabins and world-class service
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Complete flexibility when you book
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Fresher flavours, now ready for Business
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Our intuitive digital experience
Flight Deals for Popular Routes on Cathay Pacific
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Sydney (SYD) | Round-trip / Economy | 26/03/2026 - 14/04/2026 | From USD1,580 Seen 1 day ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.