How long is the flight from Chiang Mai to Portland?

For as low as $1,788, Korean Air can have you in Portland from Chiang Mai in 26h 21m. There are 7279 mi between Chiang Mai and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chiang Mai to Portland as you normally would.

Most accurate provider : When it comes to deals on Chiang Mai-Portland flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Chiang Mai-Portland flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Chiang Mai-Portland flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chiang Mai-Portland flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 vacation 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.

$913+ Cheap Flights from Chiang Mai to Portland

Q: E

Most trusted provider : When it comes to deals on Chiang Mai-Portland flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: 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 vacation packages that include both flights and hotel.

Q: 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.

Q: 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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Find cheap flights from Chiang Mai to Portland with Cheapflights

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Cheap flight deals from Chiang Mai to Portland

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 August 24, 2026.

Wed 10/2812:15 am -

2 stops36h 04m

Mon 11/27:00 am -

2 stops24h 55m

Deal found 8/19

$913

Wed 10/711:35 am -

2 stops35h 54m

Wed 10/145:48 pm -

2 stops26h 37m

Deal found 8/22

$1,063

Thu 9/109:10 pm -

2 stops26h 21m

Mon 9/143:30 pm -

2 stops27h 15m

Deal found 8/20

$1,788

Thu 9/109:45 pm -

2 stops38h 42m

Mon 9/146:08 am -

2 stops48h 37m

Deal found 8/21

$1,825

Best flights from Chiang Mai to Portland
Discover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Wed 10/2812:15 am -

2 stops36h 04m

Mon 11/27:00 am -

2 stops24h 55m

Deal found 8/19

$913

Wed 10/711:35 am -

2 stops35h 54m

Wed 10/145:48 pm -

2 stops26h 37m

Deal found 8/22

$1,063

Thu 9/109:10 pm -

2 stops26h 21m

Mon 9/143:30 pm -

2 stops27h 15m

Deal found 8/20

$1,788

Thu 9/109:45 pm -

2 stops38h 42m

Mon 9/146:08 am -

2 stops48h 37m

Deal found 8/21

$1,825

Find flight deals from Chiang Mai to Portland

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$913 (Korean Air)

Provider with most accurate pricing for Chiang Mai-Portland flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chiang Mai-Portland flights.

Search Deals

From 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 round-trip

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Wed 10/28

12:15 am-10:19 pm

2 stops36h 04m

Portland

Mon 11/2

7:00 am-10:55 pm

2 stops24h 55m

$913

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Wed 10/7

11:35 am-9:29 am

2 stops35h 54m

Portland

Wed 10/14

5:48 pm-10:25 am

2 stops26h 37m

$1,063

Quickest round-trip

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-9:31 am

2 stops26h 21m

Portland

Mon 9/14

3:30 pm-8:45 am

2 stops27h 15m

$1,788

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Thu 9/10

9:45 pm-10:27 pm

2 stops38h 42m

Portland

Mon 9/14

6:08 am-8:45 pm

2 stops48h 37m

$1,825

Cheapest one-way

Quickest one-way

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Tue 1/5

7:40 pm-9:26 am

2 stops28h 46m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Sorted by cheapest first

Most accurate provider: When it comes to deals on Chiang Mai-Portland flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Chiang Mai-Portland flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Chiang Mai-Portland flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chiang Mai-Portland flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $1,788, Korean Air can have you in Portland from Chiang Mai in 26h 21m. There are 7279 mi between Chiang Mai and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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 vacation 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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$913+ Cheap flights from Chiang Mai (CNX) to Portland (PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Chiang Mai to Portland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 24, 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 August 24, 2026.

Best flights from Chiang Mai to PortlandDiscover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Discover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Last-minute flights from Chiang Mai to PortlandDiscover last-minute flight deals from Chiang Mai to Portland. Data last updated August 24, 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Portland. Data last updated August 24, 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 August 24, 2026.

Search for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.

Find flight deals from Chiang Mai to Portland

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Round-trip from

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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?

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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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 August 24, 2026.

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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 August 24, 2026.

Best flights from Chiang Mai to Portland
Discover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Last-minute flights from Chiang Mai to Portland
Discover last-minute flight deals from Chiang Mai to Portland. Data last updated August 24, 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 August 24, 2026.