$581+ Cheap flights from Chiang Mai (CNX) to Portland (PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from Chiang Mai to PortlandExplore 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 October 19, 2026.
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 October 19, 2026.
This Korean Air deal was found by Cheapflights users on 10/14. 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 11/412:20 am -
2 stops50h 29m
Mon 11/97:35 pm -
2 stops36h 10m
Deal found 10/14![Korean Air logo]()
$903
This oojo deal was found by Cheapflights users on 10/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 pm -
2 stops21h 16m
Thu 12/109:27 pm -
2 stops51h 33m
Deal found 10/19![STARLUX Airlines logo]()
$1,221
This Gotogate deal was found by Cheapflights users on 10/14. 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 11/295:15 pm -
2 stops43h 39m
Sun 12/65:40 pm -
2 stops31h 20m
Deal found 10/14![Multiple Airlines logo]()
$1,392
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:45 pm -
2 stops28h 41m
Thu 12/102:45 pm -
3 stops34h 40m
Deal found 10/19![Multiple Airlines logo]()
$1,713
Best flights from Chiang Mai to PortlandDiscover 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 19, 2026.
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 19, 2026.
This Korean Air deal was found by Cheapflights users on 10/14. 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 11/412:20 am -
2 stops50h 29m
Mon 11/97:35 pm -
2 stops36h 10m
Deal found 10/14![Korean Air logo]()
$903
This oojo deal was found by Cheapflights users on 10/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 pm -
2 stops21h 16m
Thu 12/109:27 pm -
2 stops51h 33m
Deal found 10/19![STARLUX Airlines logo]()
$1,221
This Gotogate deal was found by Cheapflights users on 10/14. 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 11/295:15 pm -
2 stops43h 39m
Sun 12/65:40 pm -
2 stops31h 20m
Deal found 10/14![Multiple Airlines logo]()
$1,392
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:45 pm -
2 stops28h 41m
Thu 12/102:45 pm -
3 stops34h 40m
Deal found 10/19![Multiple Airlines logo]()
$1,713
Last-minute flights from Chiang Mai to PortlandDiscover last-minute flight deals from Chiang Mai to Portland. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Portland. Data last updated October 19, 2026 and is based on user searches.
This Korean Air deal was found by Cheapflights users on 10/14. 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 11/412:20 am -
2 stops50h 29m
Mon 11/97:35 pm -
2 stops36h 10m
Deal found 10/14![Korean Air logo]()
$903
This Gotogate deal was found by Cheapflights users on 10/14. 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 11/295:15 pm -
2 stops43h 39m
Sun 12/65:40 pm -
2 stops31h 20m
Deal found 10/14![Multiple Airlines logo]()
$1,392
One-way flights from Chiang Mai to PortlandSearch for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Chiang Mai to Portland. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/15. 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.
Sat 12/512:20 am -
2 stops38h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$581
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:15 pm -
2 stops42h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![STARLUX Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:15 pm -
3 stops37h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$655
This KAYAK deal was found by Cheapflights users on 10/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:25 pm -
3 stops38h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$988
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 October 19, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $903 (Korean Air) |
One-way from | $581 (Delta) |
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 7,457,451 searches. Data last updated October 19, 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
Cheapest round-trip
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Sat 12/5
12:20 am-11:54 pm
2 stops38h 34m
Portland
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$581
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Sat 12/19
5:15 pm-8:54 pm
2 stops42h 39m
Portland
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$593
Quickest round-trip
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Sat 12/19
5:15 pm-3:40 pm
3 stops37h 25m
Portland
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$655
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Wed 11/4
12:20 am-11:49 am
2 stops50h 29m
Portland
Mon 11/9
7:35 pm-10:45 pm
2 stops36h 10m
$903
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Thu 12/3
5:15 pm-11:31 pm
2 stops21h 16m
Portland
Thu 12/10
9:27 pm-4:00 pm
2 stops51h 33m
$1,221
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Sun 11/29
5:15 pm-9:54 pm
2 stops43h 39m
Portland
Sun 12/6
5:40 pm-4:00 pm
2 stops31h 20m
$1,392
Chiang MaiPortland
CNX Chiang Mai - PDX Portland
CNXPDX
Chiang Mai
Thu 12/3
7:45 pm-9:26 am
2 stops28h 41m
Portland
Thu 12/10
2:45 pm-4:25 pm
3 stops34h 40m
$1,713
Sorted by cheapest first
- 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.
CNX-PDX
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Lincoln City
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
Gresham
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