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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 May , June 2026

21 May - 10 Jun $ 1,427.00
PDX
Portland
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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27 May - 05 Jun $ 1,638.00
PDX
Portland
Alaska Airlines
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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26 May - 04 Jun $ 6,223.00
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

21 May - 01 Jun $ 1,609.00
PDX
Portland
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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21 May - 01 Jun $ 1,615.00
PDX
Portland
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
2 STOPS
PDX
Portland
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21 May - 01 Jun $ 1,621.00
PDX
Portland
Alaska Airlines
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Alaska Airlines
3 STOPS
PDX
Portland
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One-way flights to Chiang Mai from Portland

7:00 AM - 8:00 AM
Bangkok Airways
3 Stops
36h 20m
PDX - CNX
$ 767
Kiwi
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6:03 PM - 7:40 AM
EVA Air
2 Stops
26h 22m
PDX - CNX
$ 933
Kiwi
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6:03 PM - 7:40 AM
EVA Air
2 Stops
26h 22m
PDX - CNX
$ 933
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.