How long is the flight from Chiang Mai to Portland?

For as low as $1,793, Air Canada can have you in Portland from Chiang Mai in 29h 56m. There are 7279 mi between Chiang Mai and Portland.

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.

$1,793+ 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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Cheap flight deals from Chiang Mai to Portland

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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 July 5, 2026.

Mon 9/285:35 pm

CNX

PDX

2 stops29h 56m

Air Canada

Fri 10/27:45 pm

PDX

CNX

2 stops30h 50m

Air Canada

Deal found 7/1

$1,793

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Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$1,793 (Air Canada)

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From Chiang Mai to Portland

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Price

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Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Mon 9/28

5:35 pm-9:31 am

2 stops29h 56m

Portland

Fri 10/2

7:45 pm-4:35 pm

2 stops30h 50m

$1,793

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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

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Related info for your journey

How long is the flight from Chiang Mai to Portland?
For as low as $1,793, Air Canada can have you in Portland from Chiang Mai in 29h 56m. There are 7279 mi between Chiang Mai and Portland.
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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$1,793+ 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 9/28. 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

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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 July 5, 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 July 5, 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 July 5, 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 July 5, 2026.

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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?

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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 July 5, 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 July 5, 2026.