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

Prices for flights from Portland Airport to Chiang Mai Airport refresh daily.

How many operators does momondo search for flights from Portland Airport to Chiang Mai Airport?

There is 1 operator available for flights from Portland Airport to Chiang Mai Airport as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Chiang Mai Airport.

What documentation or ID do you need to fly to Chiang Mai Airport?

The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$895 Cheap Flights from Portland to Chiang Mai in 2025/26

Q: What is the typical price of a round-trip flight between Portland and Chiang Mai?

Prices are currently low for flights on this route. Typical prices usually range from $937 to $1,008. The lowest price recently found on this route was $895.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland to Chiang Mai

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 10:20 am

PDX

CNX

29h 30m2 stops

11:20 am - 11:54 pm

CNX

PDX

26h 34m2 stops

$895Multiple Airlines

Wed, Apr 1 - Thu, Apr 9

10:48 am - 10:25 am

PDX

CNX

32h 37m2 stops

11:25 am - 9:41 pm

CNX

PDX

25h 16m2 stops

$951Multiple Airlines

Thu, Feb 26 - Sun, Mar 8

4:51 pm - 10:25 am

PDX

CNX

26h 34m2 stops

5:35 pm - 11:44 pm

CNX

PDX

21h 09m2 stops

$964Multiple Airlines

Mon, Jan 12 - Mon, Feb 16

6:00 am - 10:25 am

PDX

CNX

37h 25m2 stops

11:25 am - 11:44 pm

CNX

PDX

27h 19m2 stops

$968Multiple Airlines

Mon, Feb 16 - Thu, Mar 5

5:39 pm - 10:25 am

PDX

CNX

25h 46m2 stops

11:25 am - 8:35 am

CNX

PDX

36h 10m2 stops

$978Multiple Airlines

Thu, Feb 26 - Sun, Mar 8

7:10 am - 10:55 pm

PDX

CNX

24h 45m2 stops

12:15 am - 6:49 pm

CNX

PDX

33h 34m2 stops

$979Korean Air

Mon, Feb 2 - Sun, Feb 15

9:30 pm - 10:35 am

PDX

CNX

46h 05m2 stops

11:50 am - 9:42 am

CNX

PDX

36h 52m2 stops

$980EVA Air

Mon, Jan 12 - Mon, Feb 16

5:39 pm - 10:25 am

PDX

CNX

25h 46m2 stops

11:25 am - 8:35 am

CNX

PDX

36h 10m2 stops

$983Multiple Airlines

Thu, Feb 26 - Sun, Mar 8

9:48 pm - 3:55 pm

PDX

CNX

51h 07m2 stops

4:55 pm - 10:56 am

CNX

PDX

33h 01m2 stops

$985Multiple Airlines

Mon, Feb 16 - Thu, Mar 5

7:05 am - 9:25 am

PDX

CNX

35h 20m3 stops

11:50 am - 9:41 pm

CNX

PDX

24h 51m2 stops

$1,003Multiple Airlines

Thu, Feb 26 - Sun, Mar 8

Qatar Airways flights from Portland to Chiang Mai

Our best Qatar Airways deals on Portland to Chiang Mai flight tickets

Qatar Airways

Apr 1

PDX10:31 amPortland

34h 44m

3 stops

CNX11:15 amChiang Mai

Apr 9

CNX8:00 pmChiang Mai

38h 39m

3 stops

PDX8:39 pmPortland

$1,827

Find similar

Qatar Airways

Jan 7

PDX10:33 amPortland

31h 52m

3 stops

CNX9:25 amChiang Mai

Feb 11

CNX9:40 pmChiang Mai

37h 53m

3 stops

PDX8:33 pmPortland

$2,401

Find similar

China Eastern flights from Portland to Chiang Mai

Our best China Eastern deals on Portland to Chiang Mai flight tickets

China Eastern

Jan 12

PDX6:30 amPortland

40h 50m

2 stops

CNX2:20 pmChiang Mai

Feb 16

CNX4:25 pmChiang Mai

38h 45m

3 stops

PDX4:10 pmPortland

$1,436

Find similar

China Eastern

Jan 12

PDX6:30 amPortland

40h 50m

2 stops

CNX2:20 pmChiang Mai

Feb 16

CNX4:25 pmChiang Mai

38h 45m

3 stops

PDX4:10 pmPortland

$1,437

Find similar

China Eastern

Feb 26

PDX6:25 amPortland

35h 40m

3 stops

CNX9:05 amChiang Mai

Mar 8

CNX4:25 pmChiang Mai

38h 18m

3 stops

PDX3:43 pmPortland

$1,564

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 4/1

2:50 pm-10:20 am

2 stops29h 30m

Chiang Mai

Thu 4/9

11:20 am-11:54 pm

2 stops26h 34m

$895

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

10:48 am-10:25 am

2 stops32h 37m

Chiang Mai

Sun 3/8

11:25 am-9:41 pm

2 stops25h 16m

$951

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 1/12

4:51 pm-10:25 am

2 stops26h 34m

Chiang Mai

Mon 2/16

5:35 pm-11:44 pm

2 stops21h 09m

$964

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 2/16

6:00 am-10:25 am

2 stops37h 25m

Chiang Mai

Thu 3/5

11:25 am-11:44 pm

2 stops27h 19m

$968

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

5:39 pm-10:25 am

2 stops25h 46m

Chiang Mai

Sun 3/8

11:25 am-8:35 am

2 stops36h 10m

$978

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 2/2

7:10 am-10:55 pm

2 stops24h 45m

Chiang Mai

Sun 2/15

12:15 am-6:49 pm

2 stops33h 34m

$979

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 1/12

9:30 pm-10:35 am

2 stops46h 05m

Chiang Mai

Mon 2/16

11:50 am-9:42 am

2 stops36h 52m

$980

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

5:39 pm-10:25 am

2 stops25h 46m

Chiang Mai

Sun 3/8

11:25 am-8:35 am

2 stops36h 10m

$983

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 2/16

9:48 pm-3:55 pm

2 stops51h 07m

Chiang Mai

Thu 3/5

4:55 pm-10:56 am

2 stops33h 01m

$985

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

7:05 am-9:25 am

3 stops35h 20m

Chiang Mai

Sun 3/8

11:50 am-9:41 pm

2 stops24h 51m

$1,003

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

What is the typical price of a round-trip flight between Portland and Chiang Mai?

When to book flights from Portland to Chiang Mai

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

Estimated round-trip price

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

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

Fastest flight time	25h 50m
Direct flights	None

The fastest flight from Portland to Chiang Mai takes 25h 50m

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

Search flight deals

How far is Portland to Chiang Mai by plane?
Chiang Mai is 7278.1 mi away from Portland. A reasonable flight in good conditions will take 25h 50m.
When did momondo last update prices for flights from Portland Airport to Chiang Mai Airport?
Prices for flights from Portland Airport to Chiang Mai Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Chiang Mai Airport?
There is 1 operator available for flights from Portland Airport to Chiang Mai Airport as of December 2025.
How old do you have to be to fly from Portland Airport to Chiang Mai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Chiang Mai?
momondo data reveals that the most frequently booked airline on the route from Portland to Chiang Mai is EVA Air, representing 100% of all bookings.

Best airlines flying from Portland to Chiang Mai

Compare and see reviews for airlines that fly from Portland to Chiang Mai with momondo

Airline	Rating	Free Cancellation	Price
EVA Air	PriceFrom $963	Free Cancellation	Rating 8.4 1,306 reviews		Search EVA Air flights

Why use momondo?

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

It is quick and easy to find Portland to Chiang Mai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chiang Mai that suits you.

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

Flights from Portland to Chiang Mai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Portland to Chiang Mai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.