Cheap flights from Chiang Mai to Portland from ฿13,890
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Chiang Mai to Portland
One-way flights from Chiang Mai to PortlandSearch for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated 19 August 2025.
Search for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated 19 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Chiang Mai to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Sun 7/9
18:50-09:43
3 stops52h 53m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Mon 8/9
22:25-09:43
3 stops49h 18m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Sat 6/9
22:35-12:08
3 stops51h 33m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Fri 5/9
22:25-12:08
3 stops51h 43m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Tue 2/12
16:55-21:20
2 stops43h 25m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Wed 3/12
07:00-09:39
3 stops41h 39m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Mon 1/12
15:30-09:39
3 stops57h 09m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Thu 4/9
17:20-09:47
2 stops30h 27m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Mon 8/9
23:15-08:15
2 stops47h 00m
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Thu 22/1
00:15-19:29
2 stops34h 14m
Best time to book a flight from Chiang Mai to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Chiang Mai with our price prediction graph.
Related info for your journey
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How does Cheapflights help users find flights from Chiang Mai to Portland?
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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portland from Chiang Mai.
Can Cheapflights find flights from Chiang Mai to Portland with no change fees?
Need flexible booking options for your flight to Portland from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Chiang Mai to Portland become cheaper?
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