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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 July , August 2026

27 Jul - 10 Aug $ 1,178.00
BOS
Boston
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
BOS
Boston
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30 Jul - 06 Aug $ 2,326.00
BOS
Boston
Cathay Pacific
2 STOPS
SYD
Sydney
SYD
Sydney
Cathay Pacific
1 STOPS
BOS
Boston
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28 Jul - 05 Aug $ 3,072.00
BOS
Boston
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
2 STOPS
BOS
Boston
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Last minute flights from Boston to Sydney

29 Jul - 01 Aug $ 1,997.00
BOS
Boston
JetBlue Airways
1 STOPS
SYD
Sydney
SYD
Sydney
JetBlue Airways
2 STOPS
BOS
Boston
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26 Jul - 31 Jul $ 2,461.00
BOS
Boston
Air New Zealand
1 STOPS
SYD
Sydney
SYD
Sydney
Air New Zealand
2 STOPS
BOS
Boston
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28 Jul - 31 Jul $ 3,228.00
BOS
Boston
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
2 STOPS
BOS
Boston
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One-way flights to Sydney from Boston

6:26 PM - 10:45 PM
United Airlines
1 Stops
22h 34m
BOS - SYD
$ 620
Kiwi
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6:10 PM - 11:00 PM
United Airlines
1 Stops
22h 45m
BOS - SYD
$ 620
Kiwi
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6:36 PM - 10:45 PM
United Airlines
1 Stops
22h 24m
BOS - SYD
$ 625
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.