Cheap flights from Boston to Blue Mountains

View AU$945 flight on Sun, 21 Sep. 2025Opens in a new window

Popular airlines from Boston to Blue Mountains

  • United

    United

  • Qatar Airways

    Qatar Airways

  • American Airlines

    American Airlines

  • Cathay Pacific

    Cathay Pacific

  • Delta

    Delta

  • Emirates

    Emirates

  • Qantas Airways

    Qantas Airways

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Cheap Flights from Boston (BOS) to Blue Mountains (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, found 3 days ago
AU$1,650
Return
found 3 days ago
Select Air Canada flight, departing Fri, 29 Aug. from Boston to Sydney, returning Fri, 19 Sep., priced at AU$1,650 found 3 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
PVD
Providence
SYD
Sydney
AU$1,742 Return, found 5 days ago
AU$1,742
Return
found 5 days ago
Select United flight, departing Sat, 6 Sep. from Providence to Sydney, returning Sat, 13 Sep., priced at AU$1,742 found 5 days ago
United
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
SYD
Sydney
AU$1,776 Return, found 17 hours ago
AU$1,776
Return
found 17 hours ago
Select United flight, departing Thu, 11 Sep. from Boston to Sydney, returning Thu, 18 Sep., priced at AU$1,776 found 17 hours ago
Delta
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
SYD
Sydney
AU$1,776 Return, found 17 hours ago
AU$1,776
Return
found 17 hours ago
Select Delta flight, departing Thu, 11 Sep. from Boston to Sydney, returning Thu, 18 Sep., priced at AU$1,776 found 17 hours ago
American Airlines
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
SYD
Sydney
AU$1,781 Return, found 17 hours ago
AU$1,781
Return
found 17 hours ago
Select American Airlines flight, departing Thu, 11 Sep. from Boston to Sydney, returning Thu, 18 Sep., priced at AU$1,781 found 17 hours ago
Qantas Airways
Tue, 2 Sep. - Mon, 15 Sep.
BOS
Boston
SYD
Sydney
AU$1,798 Return, found 1 day ago
AU$1,798
Return
found 1 day ago
Select Qantas Airways flight, departing Tue, 2 Sep. from Boston to Sydney, returning Mon, 15 Sep., priced at AU$1,798 found 1 day 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.