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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 April , May 2026

27 Apr - 04 May $ 1,334.00
BOS
Boston
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
BOS
Boston
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27 Apr - 12 May $ 1,339.00
BOS
Boston
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
BOS
Boston
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27 Apr - 12 May $ 1,339.00
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 Apr - 30 Apr $ 1,858.00
BOS
Boston
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
2 STOPS
BOS
Boston
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28 Apr - 30 Apr $ 3,090.00
BOS
Boston
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
BOS
Boston
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28 Apr - 30 Apr $ 3,092.00
BOS
Boston
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
BOS
Boston
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One-way flights to Sydney from Boston

6:01 PM - 10:50 PM
United Airlines
1 Stops
22h 54m
BOS - SYD
$ 748
Kiwi
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3:28 PM - 10:50 PM
United Airlines
2 Stops
25h 27m
BOS - SYD
$ 748
Kiwi
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6:20 PM - 10:40 PM
United Airlines
1 Stops
22h 40m
BOS - SYD
$ 986
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.