Flights from Boston to Australia

Our cheapest offers for flights from Boston to Australia

Here you can compare cheap flights from Boston (BOS) to Australia for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Australia. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Sydney
Outbound
06/08/25
1 Stopover (SFO)
UA1008, UA0863
32h 35min
Return
06/12/25
1 Stopover (LAX)
UA0842, UA2210
35h 43min
United Airlines
$740
Boston
Sydney
Outbound
06/08/25
2 Stopovers (YUL, YVR)
AC0753, AC0311, AC0033
26h 00min
Return
06/12/25
2 Stopovers (YVR, YYZ)
AC0034, AC0124, AC8698
51h 16min
Air Canada
$747
Best option
Boston
Sydney
Outbound
06/08/25
1 Stopover (SFO)
UA1008, UA0863
32h 35min
Return
06/12/25
1 Stopover (LAX)
UA0842, UA1783
21h 48min
United Airlines ?
$762
Prices based on recent searches, subject to last-minute changes
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