HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$567+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
Apr 23 — Apr 301
Khamis 4/23
Khamis 4/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Mac 24, 2026.

This Korean Air deal was found by Cheapflights users on 3/23. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 10/2912:15 am
CNX
-
PDX
2 stops33h 13m
Korean Air
Selasa 11/311:10 am
PDX
-
CNX
2 stops44h 45m
Korean Air
Deal found 3/23$918
This Air Canada deal was found by Cheapflights users on 3/19. 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.
Selasa 9/159:10 pm
CNX
-
PDX
2 stops26h 21m
Air Canada
Sabtu 9/193:30 pm
PDX
-
CNX
2 stops29h 45m
Air Canada
Deal found 3/19$1,183
This Qatar Airways deal was found by Cheapflights users on 3/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/308:00 pm
CNX
-
PDX
3 stops62h 35m
Qatar Airways
Rabu 4/291:52 pm
PDX
-
CNX
3 stops33h 53m
Qatar Airways
Deal found 3/23$1,841
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/3011:35 am
CNX
-
PDX
2 stops40h 15m
Multiple Airlines
Rabu 4/292:50 pm
PDX
-
CNX
2 stops53h 35m
Multiple Airlines
Deal found 3/23$2,291

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 Mac 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,183
(Air Canada)

One-way from

$567
(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
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 Mac 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
Quickest round-trip

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Selasa 9/15

9:10 pm-9:31 am

2 stops26h 21m

Portland

Sabtu 9/19

3:30 pm-11:15 am

2 stops29h 45m

$1,183
Cheapest one-way

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Isnin 8/24

9:25 pm-1:26 pm

3 stops30h 01m

$567

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Jumaat 5/1

11:20 am-9:30 am

2 stops36h 10m

$628

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Rabu 5/6

5:40 pm-2:48 pm

3 stops35h 08m

$640

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Khamis 5/7

11:20 am-9:30 am

2 stops36h 10m

$644

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Selasa 5/5

1:30 pm-4:22 pm

3 stops40h 52m

$660

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Isnin 5/4

7:00 am-9:30 am

3 stops40h 30m

$686

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Khamis 4/30

7:25 pm-1:45 pm

3 stops56h 20m

$719

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Ahad 5/3

2:55 pm-3:38 pm

2 stops38h 43m

$1,218

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Khamis 4/9

11:00 pm-6:40 pm

2 stops33h 40m

$1,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • 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 $1,183, Air Canada can have you in Portland from Chiang Mai in 26h 21m. 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
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chiang Mai to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Portland flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.