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Cheap flights from Boston (BOS) to Cairns (CNS)

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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 Cairns (CNS)

How to find the cheapest flight from Boston (BOS) to Cairns (CNS)
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How to find the cheapest flight from Boston (BOS) to Cairns (CNS)
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How to find the cheapest flight from Boston (BOS) to Cairns (CNS)
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Cheap flights from Boston to Cairns in July , August 2026

29 Jul - 28 Aug $ 1,725.00
BOS
Boston
Frontier Airlines
2 STOPS
CNS
Cairns
CNS
Cairns
Frontier Airlines
3 STOPS
BOS
Boston
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26 Jul - 11 Aug $ 3,641.00
BOS
Boston
Cathay Pacific
2 STOPS
CNS
Cairns
CNS
Cairns
Cathay Pacific
2 STOPS
BOS
Boston
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30 Jul - 11 Aug $ 3,686.00
BOS
Boston
Cathay Pacific
2 STOPS
CNS
Cairns
CNS
Cairns
Cathay Pacific
2 STOPS
BOS
Boston
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Last minute flights from Boston to Cairns

28 Jul - 01 Aug $ 2,180.00
BOS
Boston
JetBlue Airways
3 STOPS
CNS
Cairns
CNS
Cairns
JetBlue Airways
3 STOPS
BOS
Boston
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26 Jul - 01 Aug $ 3,666.00
BOS
Boston
Cathay Pacific
2 STOPS
CNS
Cairns
CNS
Cairns
Cathay Pacific
2 STOPS
BOS
Boston
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26 Jul - 01 Aug $ 3,824.00
BOS
Boston
Cathay Pacific
2 STOPS
CNS
Cairns
CNS
Cairns
Cathay Pacific
2 STOPS
BOS
Boston
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One-way flights to Cairns from Boston

7:00 AM - 10:30 AM
Qantas
2 Stops
40h 40m
BOS - CNS
$ 1,021
Kiwi
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3:55 PM - 9:45 AM
Qantas
2 Stops
31h
BOS - CNS
$ 1,075
Kiwi
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6:10 PM - 8:40 AM
United Airlines
2 Stops
27h
BOS - CNS
$ 1,457
Kiwi
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How to find the cheapest flight from Boston (BOS) to Cairns (CNS)

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