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Cheap flights from Chiang Mai to Portland from ฿17,885

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
5 Jan — 12 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Portland

Enter your travel dates to find the best prices.

Best flights from Chiang Mai to Portland
Discover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 December 2025.

Wed 18/300:15CNX - PDX
2 stops26h 57mKorean Air
Thu 26/309:12PDX - CNX
2 stops23h 43mKorean Air
Deal found 6/12฿28,005
Wed 18/300:15CNX - PDX
2 stops32h 43mเดลต้า
Wed 25/307:05PDX - CNX
2 stops25h 50mเดลต้า
Deal found 5/12฿28,005
Tue 17/300:15CNX - PDX
2 stops36h 08mKorean Air
Fri 27/309:12PDX - CNX
2 stops23h 43mKorean Air
Deal found 5/12฿28,196
Tue 17/300:15CNX - PDX
2 stops36h 08mKorean Air
Wed 25/306:15PDX - CNX
2 stops26h 40mKorean Air
Deal found 5/12฿28,196
Wed 18/300:15CNX - PDX
2 stops30h 41mKorean Air
Fri 27/309:12PDX - CNX
2 stops23h 43mKorean Air
Deal found 5/12฿28,196
Wed 18/300:15CNX - PDX
2 stops30h 28mKorean Air
Mon 23/309:12PDX - CNX
2 stops23h 43mKorean Air
Deal found 4/12฿28,196
Tue 17/300:15CNX - PDX
2 stops30h 28mKorean Air
Thu 26/309:12PDX - CNX
2 stops23h 43mKorean Air
Deal found 6/12฿28,292

Find 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 6 December 2025.

Round-trip from

฿28,005

One-way from

฿14,512
Korean Air
  • Korean Air
  • 18/3-26/3
  • 4 total stops
  • 50h 40m total
  • Chiang Mai to Portland
Search Deals
3/2
  • 3/2
  • 3 total stops
  • 36h 57m total
  • Chiang Mai to Portland
Search Deals

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 6 December 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

Wed 18/3

00:15-13:12

2 stops26h 57m

Portland

Thu 26/3

09:12-22:55

2 stops23h 43m

฿28,005

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-18:58

2 stops32h 43m

Portland

Wed 25/3

07:05-22:55

2 stops25h 50m

฿28,005

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-22:23

2 stops36h 08m

Portland

Fri 27/3

09:12-22:55

2 stops23h 43m

฿28,196

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-22:23

2 stops36h 08m

Portland

Wed 25/3

06:15-22:55

2 stops26h 40m

฿28,196

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-16:56

2 stops30h 41m

Portland

Fri 27/3

09:12-22:55

2 stops23h 43m

฿28,196

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-16:43

2 stops30h 28m

Portland

Mon 23/3

09:12-22:55

2 stops23h 43m

฿28,196

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-16:43

2 stops30h 28m

Portland

Thu 26/3

09:12-22:55

2 stops23h 43m

฿28,292

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 22/1

00:15-12:44

2 stops27h 29m

฿17,885

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 15/1

11:25-09:29

2 stops37h 04m

฿20,590

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 23/1

14:05-22:46

3 stops23h 41m

฿29,819

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 12 results
1
2

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.

  • How long is the flight from Chiang Mai to Portland?

    For as low as ฿28,005, Korean Air can have you in Portland from Chiang Mai in 26h 57m. Airlines will cover a distance of 11714 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Chiang Mai to Portland that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Portland.

  • Can I find deals for business class flights from Chiang Mai to Portland?

    Yes. Cheapflights offers flight deals from Chiang Mai to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

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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.

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