Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Boston to Chiang Mai in August , September 2026

20 Aug - 24 Sep $ 1,197.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
Pick dates
20 Aug - 06 Sep $ 1,764.00
BOS
Boston
Alaska Airlines
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
26 Aug - 06 Sep $ 2,851.00
BOS
Boston
Korean Air
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Korean Air
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Chiang Mai

26 Aug - 01 Sep $ 1,533.00
BOS
Boston
JetBlue Airways
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
JetBlue Airways
3 STOPS
BOS
Boston
Pick dates
28 Aug - 31 Aug $ 4,801.00
BOS
Boston
Cathay Pacific
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates
28 Aug - 31 Aug $ 4,801.00
BOS
Boston
Cathay Pacific
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates

One-way flights to Chiang Mai from Boston

1:45 AM - 7:50 AM
Cathay Pacific
1 Stops
21h
BOS - CNX
$ 583
Kiwi
Pick dates
1:45 AM - 7:50 AM
Cathay Pacific
1 Stops
21h
BOS - CNX
$ 583
Kiwi
Pick dates
1:45 AM - 7:50 AM
Cathay Pacific
1 Stops
21h
BOS - CNX
$ 583
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Chiang Mai (CNX)

Related info for your journey
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.
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.