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Cheap flights from Chiang Mai to Portland from ฿16,807
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
15 Oct — 22 Oct1
Cheap flight deals from Chiang Mai to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2025.
Find flight deals from Chiang Mai to Portland
Cheapest flights from Chiang Mai to PortlandExplore the most affordable flight options available from Chiang Mai to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Explore the most affordable flight options available from Chiang Mai to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Sun 14/923:15CNX - PDX
2 stops31h 55mเดลต้า
Thu 18/913:40PDX - CNX
2 stops42h 15mเดลต้า
Deal found 13/9฿26,859
Sat 13/900:40CNX - PDX
2 stops36h 59mMultiple Airlines
Thu 18/914:50PDX - CNX
2 stops40h 55mMultiple Airlines
Deal found 13/9฿29,428
Sun 14/923:15CNX - PDX
2 stops31h 55mKorean Air
Thu 18/906:05PDX - CNX
2 stops25h 50mKorean Air
Deal found 13/9฿30,189
Sat 13/900:45CNX - PDX
2 stops33h 52mAsiana Airlines
Thu 18/919:35PDX - CNX
2 stops38h 05mAsiana Airlines
Deal found 13/9฿78,897
Cheapflights Fare Finder
Customise your flight search to find flights from Chiang Mai to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Chiang Mai to Portland that are best for you.
Fly from
Chiang Mai
Fly to
Portland
Route
Depart
Return
Price
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Thu 12/3
00:15-16:29
2 stops30h 14m
Portland
Tue 17/3
05:30-22:55
2 stops27h 25m
฿26,859
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Fri 13/3
16:35-18:30
2 stops39h 55m
Portland
Tue 17/3
19:00-15:35
2 stops30h 35m
฿30,094
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Tue 9/12
10:35-00:19
3 stops52h 44m
฿16,807
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Fri 23/1
16:35-14:45
2 stops37h 10m
฿17,314
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Thu 22/1
00:15-13:14
2 stops27h 59m
฿17,663
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Mon 8/12
00:15-18:58
2 stops33h 43m
฿17,695
Chiang MaiPortland
CNX - PDX
CNXPDX
Chiang Mai
Fri 23/1
21:40-20:35
3 stops37h 55m
฿29,460
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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Chiang Mai to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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How does Cheapflights help users find flights from Chiang Mai to Portland?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chiang Mai to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Portland?
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?
Yes, Cheapflights offers price alerts on Chiang Mai to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.