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Cheap flights from Boston (BOS) to Chiang Mai (CNX)

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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 Chiang Mai (CNX)

How to find the cheapest flight from Boston (BOS) to Chiang Mai (CNX)
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How to find the cheapest flight from Boston (BOS) to Chiang Mai (CNX)
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How to find the cheapest flight from Boston (BOS) to Chiang Mai (CNX)
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Cheap flights from Boston to Chiang Mai in December 2025 , January 2026

31 Dec - 30 Jan $ 1,042.00
BOS
Boston
Hainan Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Hainan Airlines
2 STOPS
BOS
Boston
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25 Dec - 02 Jan $ 2,928.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
1 STOPS
BOS
Boston
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21 Dec - 04 Jan $ 7,755.00
BOS
Boston
Korean Air
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Korean Air
1 STOPS
BOS
Boston
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Last minute flights from Boston to Chiang Mai

28 Dec - 01 Jan $ 1,989.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
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27 Dec - 01 Jan $ 2,011.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
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28 Dec - 01 Jan $ 2,016.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
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One-way flights to Chiang Mai from Boston

6:40 PM - 4:25 PM
Thai AirAsia
2 Stops
35h 5m
BOS - CNX
$ 619
Kiwi
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9:08 AM - 7:20 AM
EVA Air
2 Stops
37h 27m
BOS - CNX
$ 1,436
Kiwi
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11:00 AM - 6:45 PM
Korean Air
1 Stops
23h 55m
BOS - CNX
$ 2,504
Kiwi
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How to find the cheapest flight from Boston (BOS) to Chiang Mai (CNX)

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