Book flights from Boston to Australia with Cathay Pacific from USD1,842
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1 Passenger(s), Economy
expand_morePROMOTION CODE (OPTIONAL)
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today
Popular flights from Boston to Australia
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USD
Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.
Explore flight fares from Boston to Australia
Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.
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USD
Boston (BOS)to
Melbourne (MEL)
18/01/2027 - 24/01/2027
Round-trip
Economy
From
USD2,196
Seen 20 hours ago
Boston (BOS)to
Melbourne (MEL)
13/01/2027 - 24/01/2027
Round-trip
Economy
From
USD2,196
Seen 20 hours ago
Boston (BOS)to
Melbourne (MEL)
20/01/2027 - 24/01/2027
Round-trip
Economy
From
USD2,196
Seen 20 hours ago
Boston (BOS)to
Sydney (SYD)
16/10/2026 - 24/10/2026
Round-trip
Economy
From
USD2,014
Seen 1 day ago
Boston (BOS)to
Sydney (SYD)
14/10/2026 - 24/10/2026
Round-trip
Economy
From
USD2,245
Seen 1 day ago
Boston (BOS)to
Sydney (SYD)
15/10/2026 - 24/10/2026
Round-trip
Economy
From
USD2,245
Seen 1 day ago
Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.