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Cheap flights from Boston (BOS) to Sydney (SYD)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boston (BOS) to Sydney (SYD)

How to find the cheapest flight from Boston (BOS) to Sydney (SYD)
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How to find the cheapest flight from Boston (BOS) to Sydney (SYD)
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How to find the cheapest flight from Boston (BOS) to Sydney (SYD)
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Cheap flights from Boston to Sydney in September , October 2026

29 Sep - 04 Oct $ 1,873.00
BOS
Boston
Etihad Airways
1 STOPS
SYD
Sydney
SYD
Sydney
Etihad Airways
1 STOPS
BOS
Boston
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30 Sep - 04 Oct $ 2,075.00
BOS
Boston
Etihad Airways
1 STOPS
SYD
Sydney
SYD
Sydney
Etihad Airways
1 STOPS
BOS
Boston
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27 Sep - 17 Oct $ 2,202.00
BOS
Boston
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Sydney

28 Sep - 01 Oct $ 1,845.00
BOS
Boston
Etihad Airways
1 STOPS
SYD
Sydney
SYD
Sydney
Etihad Airways
3 STOPS
BOS
Boston
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27 Sep - 01 Oct $ 2,196.00
BOS
Boston
Etihad Airways
1 STOPS
SYD
Sydney
SYD
Sydney
Etihad Airways
1 STOPS
BOS
Boston
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27 Sep - 30 Sep $ 3,899.00
BOS
Boston
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
2 STOPS
BOS
Boston
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One-way flights to Sydney from Boston

3:50 PM - 11:30 PM
Qantas
1 Stops
25h 40m
BOS - SYD
$ 910
Kiwi
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1:45 AM - 12:45 AM
Cathay Pacific
1 Stops
44h
BOS - SYD
$ 1,189
Kiwi
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6:40 PM - 10:50 PM
United Airlines
1 Stops
22h 20m
BOS - SYD
$ 1,413
Kiwi
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How to find the cheapest flight from Boston (BOS) to Sydney (SYD)

Related info for your journey
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How to find the cheapest flight from Boston (BOS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.