Book flights from Boston to Australia with Cathay Pacific from USD1,499

Popular flights from Boston to Australia

LEAVING FROM

GOING TO

Budget

USD

CABIN CLASS

Boston (BOS)to
Sydney (SYD)
01/10/2025 - 30/10/2025
From
USD1,499*
Seen 1 day ago
Round-trip
/
Economy
Boston (BOS)to
Melbourne (MEL)
16/03/2025 - 01/04/2025
From
USD1,548*
Seen 14 hours ago
Round-trip
/
Economy
Boston (BOS)to
Perth (PER)
25/07/2025 - 02/08/2025
From
USD3,156*
Seen 1 day ago
Round-trip
/
Economy
Boston (BOS)to
Brisbane (BNE)
03/03/2025 - 17/03/2025
From
USD1,647*
Seen 1 day ago
Round-trip
/
Economy

Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)