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$545+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$1,021
(Trip.com)

One-way from

$545
(FlightHub)
From Chiang Mai to Portland
Search Deals
One-way flight from Chiang Mai to Portland
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Find 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 septiembre 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1911:25 amCNX - PDX
2 stops27h 12mMultiple Airlines
mié. 12/35:50 pmPDX - CNX
2 stops25h 35mMultiple Airlines
Deal found 9/10$1,021
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1812:15 amCNX - PDX
2 stops37h 26mDelta
mié. 12/32:23 pmPDX - CNX
2 stops41h 32mDelta
Deal found 9/10$1,121

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 septiembre 11, 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

mié. 11/19

11:25 am-11:37 pm

2 stops27h 12m

Portland

mié. 12/3

5:50 pm-10:25 am

2 stops25h 35m

$1,021

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mar. 11/18

12:15 am-10:41 pm

2 stops37h 26m

Portland

mié. 12/3

2:23 pm-10:55 pm

2 stops41h 32m

$1,121

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

vie. 1/23

4:35 pm-9:15 am

2 stops31h 40m

$545

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mar. 12/9

10:35 am-10:27 pm

3 stops50h 52m

$553

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 1/22

12:15 am-7:29 pm

2 stops34h 14m

$556

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

lun. 12/8

12:15 am-6:58 pm

2 stops33h 43m

$559

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

vie. 1/23

9:40 pm-9:15 am

2 stops26h 35m

$568

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

vie. 1/23

9:40 pm-10:24 pm

3 stops39h 44m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 $1,121, Delta can have you in Portland from Chiang Mai in 37h 26m. 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.

  • What is the cheapest month to book a flight from Chiang Mai to Portland?

    Currently, November is the cheapest month in which you can book a flight from Chiang Mai to Portland (average of $277). Flying from Chiang Mai to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

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

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