Book a trip from Boston to Sydney with Cathay Pacific , fares from USD2,860
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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 | 28/12/2025 - 13/01/2026 | From USD2,860 Seen 1 day ago | |
| Boston (BOS) | Sydney (SYD) | Round-trip / Economy | 12/12/2025 - 21/12/2025 | From USD3,264 Seen 7 hours ago |
Book Business Class flights to Sydney - selected offers
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Boston (BOS)to
Sydney (SYD)13/11/2025 - 20/11/2025FromUSD10,694Seen 1 day agoRound-tripBusinessBoston (BOS)to
Sydney (SYD)13/11/2025 - 21/11/2025FromUSD10,939Seen 1 day agoRound-tripBusinessBoston (BOS)to
Sydney (SYD)14/11/2025 - 21/11/2025FromUSD11,107Seen 21 hours agoRound-tripBusinessBoston (BOS)to
Sydney (SYD)15/11/2025 - 21/11/2025FromUSD12,361Seen 19 hours agoRound-tripBusiness
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