How long is the flight from Chiang Mai to Portland?

For as low as ฿30,658, เดลต้า can have you in Portland from Chiang Mai in 35h 55m. Airlines will cover a distance of 11714 km. This flight may include one or multiple stops. Find deals

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm. Find deals

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C). Find deals

What is the cheapest time of day to fly from CNX to PDX?

When flying from Chiang Mai to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets. Find deals

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.

฿17,860+ Flights from Chiang Mai to Portland

Cheap flight deals from Chiang Mai to Portland

Round-trip from	฿28,765
One-way from	฿17,860

เดลต้า
12/3-17/3
4 total stops
72h 06m total
Chiang Mai to Portland

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Korean Air
22/1
2 total stops
27h 59m total
Chiang Mai to Portland

Search Deals

Find 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 20 October 2025.

Thu 12/300:15CNX - PDX

2 stops46h 22mเดลต้า

Tue 17/309:40PDX - CNX

2 stops23h 15mเดลต้า

Deal found 18/10฿28,765

Fri 13/316:45CNX - PDX

2 stops35h 55mแอร์แคนาดา

Tue 17/319:00PDX - CNX

2 stops30h 45mแอร์แคนาดา

Deal found 19/10฿30,658

One-way flights from Chiang Mai to Portland
Search for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated 20 October 2025.

Thu 22/100:15CNX - PDX

2 stops27h 59mKorean Air

Deal found 20/10฿17,860

Fri 23/116:45CNX - PDX

2 stops36h 55mแอร์แคนาดา

Deal found 20/10฿18,774

Fri 23/111:25CNX - PDX

2 stops27h 07mMultiple Airlines

Deal found 19/10฿19,916

Tue 30/1201:40CNX - PDX

3 stops49h 03mMultiple Airlines

Deal found 20/10฿25,043

Fri 2/106:35CNX - PDX

3 stops47h 05mMultiple Airlines

Deal found 20/10฿45,514

Thu 1/111:25CNX - PDX

2 stops27h 47mChina Airlines

Deal found 20/10฿45,808

Thu 1/118:50CNX - PDX

3 stops56h 23mMultiple Airlines

Deal found 20/10฿48,942

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 12/3

00:15-08:37

2 stops46h 22m

Portland

Tue 17/3

09:40-22:55

2 stops23h 15m

฿28,765

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 13/3

16:45-14:40

2 stops35h 55m

Portland

Tue 17/3

19:00-15:45

2 stops30h 45m

฿30,658

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 22/1

00:15-13:14

2 stops27h 59m

฿17,860

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 23/1

16:45-14:40

2 stops36h 55m

฿18,774

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 23/1

11:25-23:32

2 stops27h 07m

฿19,916

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 30/12

01:40-11:43

3 stops49h 03m

฿25,043

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 2/1

06:35-14:40

3 stops47h 05m

฿45,514

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 1/1

11:25-00:12

2 stops27h 47m

฿45,808

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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

How long is the flight from Chiang Mai to Portland?
For as low as ฿30,658, เดลต้า can have you in Portland from Chiang Mai in 35h 55m. 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.

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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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Cheap flights from Chiang Mai to Portland from ฿17,860

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.

Cheap flight deals from Chiang Mai to Portland

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Find flight deals from Chiang Mai to Portland

Best flights from Chiang Mai to PortlandDiscover 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 20 October 2025.

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 20 October 2025.

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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

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?

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

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

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

Travelling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chiang Mai to Portland?

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Portland?

Can Cheapflights find flights from Chiang Mai to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Chiang Mai to Portland become cheaper?

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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 20 October 2025.