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.

Flights from Boston (BOS) to Sydney (SYD)

	Outbound	Return	Airlines	Baggage	Price
Boston Sydney	Outbound 01/16/25 2 Stopovers (IAD, HNL) UA1734, UA0345, JQ0004 41h 35min	Return 01/20/25 2 Stopovers (HNL, ORD) JQ0003, UA0218, UA1083 33h 10min	United Airlines, Jetstar Airways	?	$1,420
Best option Boston Sydney	Outbound 01/16/25 1 Stopover (LAX) UA0333, UA0839 22h 50min	Return 01/20/25 1 Stopover (HKG) CX0162, CX0812 27h 05min	United Airlines	?	$1,763
Boston Sydney	Outbound 01/16/25 1 Stopover (HKG) CX0811, CX0111 38h 55min	Return 01/20/25 1 Stopover (HKG) CX0162, CX0812 27h 05min	Cathay Pacific Airways		$1,886