How long is the flight from Chiang Mai to Portland?

For as low as ฿70,617, เดลต้า can have you in Portland from Chiang Mai in 33h 34m. Airlines will cover a distance of 11714 km.

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.

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).

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.

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.

฿18,447+ Cheap Flights from Chiang Mai to Portland

Cheap flight deals from Chiang Mai to Portland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Chiang Mai to Portland
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 30 October 2026.

Wed 4/1100:20 -

2 stops53h 31m

Mon 9/1107:00 -

2 stops24h 45m

Deal found 28/10฿30,318

Thu 5/1100:20 -

2 stops31h 44m

Tue 10/1107:00 -

2 stops24h 45m

Deal found 29/10฿34,601

Sat 12/1223:05 -

2 stops34h 51m

Sat 19/1222:06 -

3 stops33h 39m

Deal found 28/10฿70,550

Fri 11/1200:20 -

2 stops33h 34m

Sat 19/1214:42 -

2 stops41h 03m

Deal found 28/10฿70,617

Thu 10/1200:20 -

2 stops31h 59m

Fri 18/1214:15 -

2 stops41h 30m

Deal found 27/10฿73,012

Thu 5/1111:50 -

2 stops26h 04m

Sun 15/1118:04 -

2 stops25h 31m

Deal found 26/10฿76,924

Tue 3/1117:15 -

2 stops42h 35m

Thu 12/1119:35 -

2 stops29h 25m

Deal found 26/10฿79,622

Tue 3/1117:15 -

2 stops42h 35m

Sun 15/1119:35 -

2 stops29h 25m

Deal found 26/10฿81,274

Thu 5/1117:15 -

2 stops42h 35m

Thu 12/1119:35 -

2 stops29h 25m

Deal found 26/10฿90,278

Tue 3/1100:20 -

2 stops34h 40m

Sat 14/1117:51 -

2 stops37h 54m

Deal found 26/10฿91,863

Sat 7/1117:15 -

2 stops42h 35m

Sun 15/1119:35 -

2 stops29h 25m

Deal found 26/10฿91,931

Find flight deals from Chiang Mai to Portland

Round-trip from	฿70,550
One-way from	฿18,447

12/12-19/12
5 total stops
68h 30m total
Chiang Mai to Portland

Search Deals

เดลต้า
5/12-31/12
2 total stops
38h 34m total
Chiang Mai to Portland

Search Deals

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

Cheapest return flight

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 5/12

00:20-23:54

2 stops38h 34m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,447

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sun 6/12

19:45-19:53

3 stops39h 08m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿30,014

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 2/1

00:40-15:33

3 stops53h 53m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿41,480

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Fri 1/1

07:05-08:29

3 stops40h 24m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿56,757

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 12/12

23:05-18:56

2 stops34h 51m

Portland

Sat 19/12

22:06-22:45

3 stops33h 39m

฿70,550

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Fri 11/12

00:20-18:54

2 stops33h 34m

Portland

Sat 19/12

14:42-22:45

2 stops41h 03m

฿70,617

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Thu 10/12

00:20-17:19

2 stops31h 59m

Portland

Fri 18/12

14:15-22:45

2 stops41h 30m

฿73,012

Fastest return journey

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 2/1

22:10-17:16

3 stops34h 06m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿73,518

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Fri 11/12

21:10-20:46

3 stops38h 36m

Portland

Fri 18/12

17:53-16:00

2 stops31h 07m

฿91,863

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Fri 11/12

10:10-20:46

3 stops25h 36m

Portland

Fri 18/12

06:10-13:45

3 stops40h 35m

฿93,954

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Sorted by cheapest first

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.

CNX-PDX

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 ฿70,617, เดลต้า can have you in Portland from Chiang Mai in 33h 34m. Airlines will cover a distance of 11714 km.
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

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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 ฿18,447

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. 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

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 30 October 2026.

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 30 October 2026.

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 30 October 2026.

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 30 October 2026.

Last-minute flights from Chiang Mai to PortlandDiscover last-minute flight deals from Chiang Mai to Portland. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Portland. Data last updated 30 October 2026 and is based on user searches.

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 30 October 2026.

Search for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Use the filters below to find and compare flights from Chiang Mai to Portland that are best for you.

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

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

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

Search flights from Chiang Mai to Portland by cabin class

Find flights from Chiang Mai to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chiang Mai and Portland flights

Browse other Chiang Mai and Portland flight options. Last updated on 30 October 2026.

Other flights from Chiang Mai

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Check out other popular destinations found by fellow travellers in 2026

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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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Travel Smart

Cheapest flights from Chiang Mai to Portland
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 30 October 2026.

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 30 October 2026.

Last-minute flights from Chiang Mai to Portland
Discover last-minute flight deals from Chiang Mai to Portland. Data last updated 30 October 2026 and is based on user searches.

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 30 October 2026.