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Cheap flights from Portland (PDX) to Chiang Mai (CNX)

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How to find the cheapest flight from Portland (PDX) to Chiang Mai (CNX)

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

31 Dec - 27 Jan $ 1,430.00
PDX
Portland
Hawaiian Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Hawaiian Airlines
2 STOPS
PDX
Portland
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25 Dec - 11 Jan $ 2,209.00
PDX
Portland
Starlux Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Starlux Airlines
2 STOPS
PDX
Portland
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23 Dec - 10 Jan $ 3,310.00
PDX
Portland
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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Last minute flights from Portland to Chiang Mai

27 Dec - 01 Jan $ 1,923.00
PDX
Portland
Frontier Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Frontier Airlines
3 STOPS
PDX
Portland
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21 Dec - 31 Dec $ 2,640.00
PDX
Portland
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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21 Dec - 31 Dec $ 2,885.00
PDX
Portland
United Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
United Airlines
2 STOPS
PDX
Portland
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One-way flights to Chiang Mai from Portland

7:45 PM - 7:20 AM
EVA Air
2 Stops
23h 50m
PDX - CNX
$ 705
Kiwi
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5:30 PM - 2:05 PM
Starlux Airlines
2 Stops
32h 30m
PDX - CNX
$ 1,079
Kiwi
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8:32 PM - 7:20 AM
EVA Air
2 Stops
23h 3m
PDX - CNX
$ 1,364
Kiwi
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How to find the cheapest flight from Portland (PDX) to Chiang Mai (CNX)

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