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$589+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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Cheap flight deals from Chiang Mai to Portland

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 June 24, 2026.

This Air Canada deal was found by Cheapflights users on 6/23. 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.
Thu 9/109:10 pm
CNX
-
PDX
2 stops31h 36m
Air Canada
Mon 9/147:45 pm
PDX
-
CNX
2 stops25h 30m
Air Canada
Deal found 6/23$1,025
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:20 pm
CNX
-
PDX
2 stops30h 05m
Multiple Airlines
Tue 9/88:18 pm
PDX
-
CNX
2 stops30h 02m
Multiple Airlines
Deal found 6/22$1,047
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/128:00 pm
CNX
-
PDX
2 stops37h 11m
Multiple Airlines
Wed 7/297:45 pm
PDX
-
CNX
2 stops28h 00m
Multiple Airlines
Deal found 6/22$1,093
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:00 pm
CNX
-
PDX
2 stops27h 31m
Multiple Airlines
Wed 7/297:45 pm
PDX
-
CNX
2 stops23h 35m
Multiple Airlines
Deal found 6/22$1,098
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:10 pm
CNX
-
PDX
2 stops26h 21m
Multiple Airlines
Thu 7/1610:10 am
PDX
-
CNX
2 stops21h 50m
Multiple Airlines
Deal found 6/22$1,106

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 June 24, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,025
(Air Canada)

One-way from

$589
(Mytrip)
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
One-way flight from Chiang Mai to Portland
Search Deals

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 June 24, 2026.
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 - PDX

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-2:46 pm

2 stops31h 36m

Portland

Mon 9/14

7:45 pm-11:15 am

2 stops25h 30m

$1,025

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 9/1

5:20 pm-9:25 am

2 stops30h 05m

Portland

Tue 9/8

8:18 pm-4:20 pm

2 stops30h 02m

$1,047

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 7/19

8:00 pm-9:31 am

2 stops27h 31m

Portland

Wed 7/29

7:45 pm-9:20 am

2 stops23h 35m

$1,098
Quickest round-trip

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 7/9

9:10 pm-9:31 am

2 stops26h 21m

Portland

Thu 7/16

10:10 am-10:00 pm

2 stops21h 50m

$1,106

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 7/12

8:00 pm-4:47 pm

3 stops34h 47m

Portland

Wed 7/29

5:36 pm-10:25 am

2 stops26h 49m

$1,140

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 9/1

8:00 pm-4:49 pm

3 stops34h 49m

Portland

Tue 9/8

11:48 am-11:15 am

3 stops33h 27m

$1,409
Cheapest one-way

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sat 10/24

8:00 pm-8:46 pm

2 stops38h 46m

$589

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 9/1

5:20 pm-1:46 pm

2 stops34h 26m

$593

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 10/23

11:20 am-9:29 am

2 stops36h 09m

$612

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sat 11/28

4:40 pm-8:46 pm

2 stops43h 06m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • 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.
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 $1,025, Air Canada can have you in Portland from Chiang Mai in 31h 36m. 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
Seaside
Beaverton
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Silverton

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Alternative routes for Chiang Mai to Portland

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