What is the cheapest airline that flies from Chiang Mai to Portland?

Korean Air is the most popular carrier operating from Chiang Mai to Portland

When did momondo last update prices for flights from Chiang Mai Airport to Portland Airport?

Prices for flights from Chiang Mai Airport to Portland Airport were last updated today.

How old do you have to be to fly from Chiang Mai Airport to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chiang Mai Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$566 Cheap Flights from Chiang Mai to Portland in 2025/26

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Find the cheapest flights from Chiang Mai to Portland

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One-way

Cheap round-trip flights

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12:15 am - 1:12 pm

CNX

PDX

26h 57m2 stops

9:12 am - 10:55 pm

PDX

CNX

23h 43m2 stops

$887Korean Air

mié., mar. 18 - lun., mar. 23

12:15 am - 10:23 pm

CNX

PDX

36h 08m2 stops

6:15 am - 10:55 pm

PDX

CNX

26h 40m2 stops

$891Korean Air

mié., mar. 18 - lun., mar. 23

11:50 am - 1:19 pm

CNX

PDX

39h 29m2 stops

11:30 am - 10:35 am

PDX

CNX

33h 05m2 stops

$1,658Multiple Airlines

jue., mar. 19 - jue., mar. 26

11:50 am - 8:38 pm

CNX

PDX

22h 48m2 stops

5:30 pm - 10:35 am

PDX

CNX

27h 05m2 stops

$1,755Multiple Airlines

mié., mar. 18 - jue., mar. 26

11:50 am - 8:38 pm

CNX

PDX

22h 48m2 stops

5:30 pm - 10:25 am

PDX

CNX

26h 55m2 stops

$1,765Multiple Airlines

mié., mar. 18 - vie., mar. 27

11:50 am - 8:38 pm

CNX

PDX

22h 48m2 stops

7:30 am - 9:25 am

PDX

CNX

35h 55m3 stops

$1,950Multiple Airlines

jue., mar. 19 - jue., mar. 26

12:10 pm - 4:28 pm

CNX

PDX

42h 18m3 stops

5:30 pm - 7:00 pm

PDX

CNX

35h 30m3 stops

$2,972Cathay Pacific

jue., mar. 19 - jue., mar. 26

Korean Air flights from Chiang Mai to Portland

Our best Korean Air deals on Chiang Mai to Portland flight tickets

Korean Air

Mar 18

CNX12:15 amChiang Mai

26h 57m

2 stops

PDX1:12 pmPortland

Mar 23

PDX9:12 amPortland

23h 43m

2 stops

CNX10:55 pmChiang Mai

$887

Find similar

Korean Air

Mar 18

CNX12:15 amChiang Mai

36h 08m

2 stops

PDX10:23 pmPortland

Mar 23

PDX6:15 amPortland

26h 40m

2 stops

CNX10:55 pmChiang Mai

$891

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mié. 3/18

12:15 am-1:12 pm

2 stops26h 57m

Portland

lun. 3/23

9:12 am-10:55 pm

2 stops23h 43m

$887

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mié. 3/18

12:15 am-10:23 pm

2 stops36h 08m

Portland

lun. 3/23

6:15 am-10:55 pm

2 stops26h 40m

$891

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 3/19

11:50 am-1:19 pm

2 stops39h 29m

Portland

jue. 3/26

11:30 am-10:35 am

2 stops33h 05m

$1,658

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mié. 3/18

11:50 am-8:38 pm

2 stops22h 48m

Portland

jue. 3/26

5:30 pm-10:35 am

2 stops27h 05m

$1,755

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

mié. 3/18

11:50 am-8:38 pm

2 stops22h 48m

Portland

vie. 3/27

5:30 pm-10:25 am

2 stops26h 55m

$1,765

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 3/19

11:50 am-8:38 pm

2 stops22h 48m

Portland

jue. 3/26

7:30 am-9:25 am

3 stops35h 55m

$1,950

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 3/19

12:10 pm-4:28 pm

3 stops42h 18m

Portland

jue. 3/26

5:30 pm-7:00 pm

3 stops35h 30m

$2,972

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 1/22

12:15 am-4:25 pm

2 stops31h 10m

$566

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

jue. 1/22

12:15 am-4:25 pm

2 stops31h 10m

$567

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

vie. 1/23

2:05 pm-10:46 pm

3 stops23h 41m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chiang Mai to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $1,407. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Wednesday, with ticket prices averaging around $1,435.

When to book flights from Chiang Mai to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chiang Mai to Portland (CNX to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Portland

Fastest flight time	46h 17m
Direct flights	None

The fastest flight from Chiang Mai to Portland takes 46h 17m

There are no direct flights from Chiang Mai to Portland. There are no popular flight routes from Chiang Mai to Portland.

Search flight deals

How far is Chiang Mai to Portland by plane?
There are 7278.1 mi between Chiang Mai and Portland. A reasonable flight in good conditions will take 46h 17m.
When did momondo last update prices for flights from Chiang Mai Airport to Portland Airport?
Prices for flights from Chiang Mai Airport to Portland Airport were last updated today.
How old do you have to be to fly from Chiang Mai Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chiang Mai Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Chiang Mai.

Can I find flights from Chiang Mai to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Chiang Mai with this policy.

How can momondo help me find flights from Chiang Mai to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Chiang Mai.

I’m not ready to book a flight from Chiang Mai to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Chiang Mai. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.