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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 April , May 2026

23 Apr - 28 May $ 1,189.00
BOS
Boston
Alaska Airlines
3 STOPS
CNS
Cairns
CNS
Cairns
Alaska Airlines
3 STOPS
BOS
Boston
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09 Apr - 07 May $ 3,312.00
BOS
Boston
Cathay Pacific
2 STOPS
CNS
Cairns
CNS
Cairns
Cathay Pacific
2 STOPS
BOS
Boston
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10 Apr - 05 May $ 7,977.00
BOS
Boston
Singapore Airlines
2 STOPS
CNS
Cairns
CNS
Cairns
Singapore Airlines
2 STOPS
BOS
Boston
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Last minute flights from Boston to Cairns

23 Apr - 01 May $ 1,348.00
BOS
Boston
Spirit Airlines
3 STOPS
CNS
Cairns
CNS
Cairns
Spirit Airlines
3 STOPS
BOS
Boston
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23 Apr - 01 May $ 1,543.00
BOS
Boston
Frontier Airlines
3 STOPS
CNS
Cairns
CNS
Cairns
Frontier Airlines
3 STOPS
BOS
Boston
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14 Apr - 01 May $ 1,622.00
BOS
Boston
Spirit Airlines
2 STOPS
CNS
Cairns
CNS
Cairns
Spirit Airlines
3 STOPS
BOS
Boston
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One-way flights to Cairns from Boston

12:57 PM - 8:45 AM
Fiji Airways
3 Stops
32h 43m
BOS - CNS
$ 594
Kiwi
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11:10 AM - 4:55 PM
United Airlines
2 Stops
43h 10m
BOS - CNS
$ 1,435
Kiwi
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6:01 PM - 8:40 AM
United Airlines
2 Stops
27h 9m
BOS - CNS
$ 1,446
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.