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

Air Canada, Korean Air, and Qatar Airways are the most popular carriers 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.

$546 Cheap Flights from Chiang Mai to Portland in 2025/26

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Find the cheapest flights from Chiang Mai to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 am - 10:34 amCNX-PDX

48h 19m2 stops

9:10 am - 10:55 pmPDX-CNX

23h 45m2 stops

$837Delta

Find Deal

Thu, Mar 12 - Tue, Mar 17

12:15 am - 1:14 pmCNX-PDX

50h 59m2 stops

7:10 am - 10:55 pmPDX-CNX

25h 45m2 stops

$847Delta

Find Deal

Thu, Mar 12 - Tue, Mar 17

4:35 pm - 2:45 pmCNX-PDX

36h 10m2 stops

3:15 pm - 3:35 pmPDX-CNX

34h 20m2 stops

$938Air Canada

Find Deal

Fri, Mar 13 - Tue, Mar 17

12:00 pm - 6:30 pmCNX-PDX

44h 30m2 stops

7:00 pm - 3:35 pmPDX-CNX

30h 35m2 stops

$949Air Canada

Find Deal

Fri, Mar 13 - Tue, Mar 17

12:15 am - 7:11 pmCNX-PDX

32h 56m2 stops

12:55 am - 10:55 pmPDX-CNX

32h 00m2 stops

$1,275Delta

Find Deal

Thu, Mar 12 - Mon, Mar 16

12:15 am - 8:47 pmCNX-PDX

34h 32m2 stops

12:55 am - 10:55 pmPDX-CNX

32h 00m2 stops

$1,286Delta

Find Deal

Thu, Mar 12 - Mon, Mar 16

Delta flights from Chiang Mai to Portland

Our best Delta deals on Chiang Mai to Portland flight tickets

Delta

Mar 12

CNX12:15 amChiang Mai

48h 19m

2 stops

PDX10:34 amPortland

Mar 17

PDX9:10 amPortland

23h 45m

2 stops

CNX10:55 pmChiang Mai

$837

Find similar

Delta

Mar 12

CNX12:15 amChiang Mai

50h 59m

2 stops

PDX1:14 pmPortland

Mar 17

PDX7:10 amPortland

25h 45m

2 stops

CNX10:55 pmChiang Mai

$847

Find similar

Delta

Mar 12

CNX12:15 amChiang Mai

32h 56m

2 stops

PDX7:11 pmPortland

Mar 16

PDX12:55 amPortland

32h 00m

2 stops

CNX10:55 pmChiang Mai

$1,275

Find similar

Air Canada flights from Chiang Mai to Portland

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

Air Canada

Mar 13

CNX4:35 pmChiang Mai

36h 10m

2 stops

PDX2:45 pmPortland

Mar 17

PDX3:15 pmPortland

34h 20m

2 stops

CNX3:35 pmChiang Mai

$938

Find similar

Air Canada

Mar 13

CNX12:00 pmChiang Mai

44h 30m

2 stops

PDX6:30 pmPortland

Mar 17

PDX7:00 pmPortland

30h 35m

2 stops

CNX3:35 pmChiang Mai

$949

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/12

12:15 am-10:34 am

2 stops48h 19m

Portland

Tue 3/17

9:10 am-10:55 pm

2 stops23h 45m

$837

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/12

12:15 am-1:14 pm

2 stops50h 59m

Portland

Tue 3/17

7:10 am-10:55 pm

2 stops25h 45m

$847

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 3/13

4:35 pm-2:45 pm

2 stops36h 10m

Portland

Tue 3/17

3:15 pm-3:35 pm

2 stops34h 20m

$938

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 3/13

12:00 pm-6:30 pm

2 stops44h 30m

Portland

Tue 3/17

7:00 pm-3:35 pm

2 stops30h 35m

$949

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/12

12:15 am-7:11 pm

2 stops32h 56m

Portland

Mon 3/16

12:55 am-10:55 pm

2 stops32h 00m

$1,275

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/12

12:15 am-8:47 pm

2 stops34h 32m

Portland

Mon 3/16

12:55 am-10:55 pm

2 stops32h 00m

$1,286

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

4:35 pm-9:15 am

2 stops31h 40m

$546

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 1/22

12:15 am-7:29 pm

2 stops34h 14m

$557

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 1/23

9:40 pm-8:35 pm

3 stops37h 55m

$929

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Direct flights	None

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 32h 56m.
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.