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$547+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Cheap 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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(Delta)

One-way from

$547
(Korean Air)
Provider with most accurate pricing for Chiang Mai-Portland flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Portland flights.
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From Chiang Mai to Portland
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One-way flight from Chiang Mai to Portland
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Find 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 October 13, 2025.

This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:15 amCNX - PDX
2 stops46h 22mDelta
Tue 3/175:45 pmPDX - CNX
2 stops39h 10mDelta
Deal found 10/11$879
This Air Canada deal was found by Cheapflights users on 10/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/134:45 pmCNX - PDX
2 stops39h 45mAir Canada
Tue 3/179:50 amPDX - CNX
2 stops39h 55mAir Canada
Deal found 10/10$935
This Korean Air deal was found by Cheapflights users on 10/10. 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.
Thu 3/1212:15 amCNX - PDX
2 stops34h 23mKorean Air
Mon 3/1612:55 amPDX - CNX
2 stops32h 00mKorean Air
Deal found 10/10$4,650

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 October 13, 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

Thu 3/12

12:15 am-8:37 am

2 stops46h 22m

Portland

Tue 3/17

5:45 pm-10:55 pm

2 stops39h 10m

$879

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 3/13

4:45 pm-6:30 pm

2 stops39h 45m

Portland

Tue 3/17

9:50 am-3:45 pm

2 stops39h 55m

$935

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/12

12:15 am-8:38 pm

2 stops34h 23m

Portland

Mon 3/16

12:55 am-10:55 pm

2 stops32h 00m

$4,650

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 1/22

12:15 am-7:29 pm

2 stops34h 14m

$547

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

4:45 pm-2:40 pm

2 stops36h 55m

$574

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

11:25 am-11:32 pm

2 stops27h 07m

$608

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

9:40 pm-8:43 pm

3 stops38h 03m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Portland flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $935, Delta can have you in Portland from Chiang Mai in 39h 45m. 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.

See more FAQs

Traveling to a place near Portland?

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

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