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$456+ Cheap flights from Chiang Mai (CNX) to Portland (PDX)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Chiang Mai to Portland

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 December 4, 2025.

This Korean Air deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:15 amCNX - PDX
2 stops30h 28mKorean Air
Mon 3/235:40 pmPDX - CNX
2 stops39h 15mKorean Air
Deal found 12/3$889

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$889
(Korean Air)

One-way from

$456
(Kiwi.com)
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
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One-way flight from Chiang Mai to Portland
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 4, 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 3/18

12:15 am-4:43 pm

2 stops30h 28m

Portland

Mon 3/23

5:40 pm-10:55 pm

2 stops39h 15m

$889

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 2/3

1:35 am-11:32 pm

3 stops36h 57m

$456

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 5/28

5:20 pm-10:45 pm

2 stops43h 25m

$532

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 2/4

4:45 pm-9:15 am

2 stops31h 30m

$540

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 1/22

12:15 am-12:44 pm

2 stops27h 29m

$560

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 5/28

2:10 pm-9:11 am

3 stops33h 01m

$603

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

2:05 pm-10:46 pm

3 stops23h 41m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from Chiang Mai to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Portland in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chiang Mai-Portland flight deals on Cheapflights vs. eDreams >95% 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 eDreams the most. eDreams 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.
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

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 $889, Korean Air can have you in Portland from Chiang Mai in 30h 28m. 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
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Lincoln City
Lake Oswego
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McMinnville
Hillsboro
Troutdale
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
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Tillamook
Gresham

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