Cheap flights from Boston to Greater Western Sydney

View AU$949 flight on Sat, 16 Aug. 2025Opens in a new window

Popular airlines from Boston to Greater Western Sydney

  • Air Canada

    Air Canada

  • Emirates

    Emirates

  • Air New Zealand

    Air New Zealand

  • United

    United

  • Cathay Pacific

    Cathay Pacific

  • Delta

    Delta

  • Qantas Airways

    Qantas Airways

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Cheap Flights from Boston (BOS) to Greater Western Sydney (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 29 Aug. - Fri, 19 Sep.
BOS
Boston
SYD
Sydney
AU$1,650 Return, just found
AU$1,650
Return
just found
Select Air Canada flight, departing Fri, 29 Aug. from Boston to Sydney, returning Fri, 19 Sep., priced at AU$1,650 just found
United
Sat, 6 Sep. - Sat, 13 Sep.
PVD
Providence
SYD
Sydney
AU$1,742 Return, found 1 day ago
AU$1,742
Return
found 1 day ago
Select United flight, departing Sat, 6 Sep. from Providence to Sydney, returning Sat, 13 Sep., priced at AU$1,742 found 1 day ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
MHT
Manchester
SYD
Sydney
AU$1,771 Return, found 6 days ago
AU$1,771
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from Manchester to Sydney, returning Mon, 8 Sep., priced at AU$1,771 found 6 days ago
Qantas Airways
Fri, 12 Sep. - Fri, 10 Oct.
BOS
Boston
SYD
Sydney
AU$1,773 Return, found 6 days ago
AU$1,773
Return
found 6 days ago
Select Qantas Airways flight, departing Fri, 12 Sep. from Boston to Sydney, returning Fri, 10 Oct., priced at AU$1,773 found 6 days ago
United
Mon, 1 Sep. - Tue, 16 Sep.
BOS
Boston
SYD
Sydney
AU$1,782 Return, just found
AU$1,782
Return
just found
Select United flight, departing Mon, 1 Sep. from Boston to Sydney, returning Tue, 16 Sep., priced at AU$1,782 just found
Delta
Tue, 9 Sep. - Tue, 25 Nov.
BOS
Boston
SYD
Sydney
AU$1,795 Return, found 23 hours ago
AU$1,795
Return
found 23 hours ago
Select Delta flight, departing Tue, 9 Sep. from Boston to Sydney, returning Tue, 25 Nov., priced at AU$1,795 found 23 hours ago

Find the cheapest month to fly from Boston (BOS) to Sydney (SYD)

April is typically the cheapest month to fly

From AU$1,231 - AU$2,652 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.