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 April , May 2026

26 Apr - 07 May $ 1,242.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
Pick dates
11 Apr - 09 May $ 1,768.00
BOS
Boston
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
07 Apr - 01 May $ 2,333.00
BOS
Boston
Cathay Pacific
1 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Cathay Pacific
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Chiang Mai

19 Apr - 02 May $ 1,485.00
BOS
Boston
Etihad Airways
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
2 STOPS
BOS
Boston
Pick dates
11 Apr - 01 May $ 2,113.00
BOS
Boston
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
07 Apr - 30 Apr $ 2,899.00
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

9:20 PM - 8:45 AM
Thai AirAsia
2 Stops
25h 50m
BOS - CNX
$ 684
Kiwi
Pick dates
9:00 AM - 7:40 AM
EVA Air
2 Stops
38h 25m
BOS - CNX
$ 762
Kiwi
Pick dates
1:45 AM - 7:50 AM
Cathay Pacific
1 Stops
21h
BOS - CNX
$ 952
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.