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Cheap flights from Chiang Mai to Portland from $531

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Portland departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 9:28 am
CNX
-
PDX
36h 03m
2 stops
Multiple Airlines Logo
2:37 pm - 10:20 am
PDX
-
CNX
29h 43m
2 stops
$1,371Multiple Airlines
Wed, Mar 18 - Wed, Apr 1
EVA Air Logo
11:50 am - 4:30 pm
CNX
-
PDX
42h 40m
2 stops
EVA Air Logo
10:31 am - 10:25 am
PDX
-
CNX
33h 54m
2 stops
$1,378EVA Air
Wed, Mar 18 - Wed, Apr 1
China Airlines Logo
11:25 am - 4:30 pm
CNX
-
PDX
43h 05m
2 stops
China Airlines Logo
2:37 pm - 10:20 am
PDX
-
CNX
29h 43m
2 stops
$1,392China Airlines
Wed, Mar 18 - Wed, Apr 1
China Airlines Logo
11:25 am - 4:30 pm
CNX
-
PDX
43h 05m
2 stops
China Airlines Logo
10:31 am - 10:20 am
PDX
-
CNX
33h 49m
2 stops
$1,393China Airlines
Wed, Mar 18 - Wed, Apr 1
Multiple Airlines Logo
9:15 pm - 6:30 pm
CNX
-
PDX
35h 15m
3 stops
Multiple Airlines Logo
9:50 am - 8:40 am
PDX
-
CNX
32h 50m
3 stops
$1,492Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
11:35 am - 9:38 pm
CNX
-
PDX
24h 03m
2 stops
Multiple Airlines Logo
7:27 pm - 1:45 pm
PDX
-
CNX
28h 18m
3 stops
$1,514Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
Qatar Airways Logo
7:45 pm - 8:50 pm
CNX
-
PDX
39h 05m
3 stops
Qatar Airways Logo
10:31 am - 11:15 am
PDX
-
CNX
34h 44m
3 stops
$1,726Qatar Airways
Wed, Mar 18 - Wed, Apr 1
Qatar Airways Logo
7:45 pm - 8:50 pm
CNX
-
PDX
39h 05m
3 stops
Qatar Airways Logo
9:00 am - 9:20 am
PDX
-
CNX
34h 20m
3 stops
$1,743Qatar Airways
Wed, Mar 18 - Wed, Apr 1
Qatar Airways Logo
7:45 pm - 8:50 pm
CNX
-
PDX
39h 05m
3 stops
Qatar Airways Logo
1:35 pm - 11:15 am
PDX
-
CNX
31h 40m
3 stops
$1,745Qatar Airways
Wed, Mar 18 - Wed, Apr 1
Multiple Airlines Logo
6:50 pm - 9:50 am
CNX
-
PDX
53h 00m
3 stops
Multiple Airlines Logo
2:37 pm - 5:50 pm
PDX
-
CNX
37h 13m
2 stops
$1,996Multiple Airlines
Wed, Mar 18 - Wed, Apr 1

Qatar Airways flights from Chiang Mai to Portland

Our best Qatar Airways deals on Chiang Mai to Portland flight tickets
Qatar Airways
Mar 5
CNX7:45 pmChiang Mai
39h 48m
3 stops
PDX8:33 pmPortland
Mar 11
PDX10:30 amPortland
32h 55m
3 stops
CNX9:25 amChiang Mai
$1,606
Qatar Airways
Mar 18
CNX7:45 pmChiang Mai
39h 05m
3 stops
PDX8:50 pmPortland
Apr 1
PDX10:31 amPortland
34h 44m
3 stops
CNX11:15 amChiang Mai
$1,726
Qatar Airways
Mar 18
CNX7:45 pmChiang Mai
39h 05m
3 stops
PDX8:50 pmPortland
Apr 1
PDX9:00 amPortland
34h 20m
3 stops
CNX9:20 amChiang Mai
$1,743

China Airlines flights from Chiang Mai to Portland

Our best China Airlines deals on Chiang Mai to Portland flight tickets
China Airlines
Mar 18
CNX11:25 amChiang Mai
43h 05m
2 stops
PDX4:30 pmPortland
Apr 1
PDX2:37 pmPortland
29h 43m
2 stops
CNX10:20 amChiang Mai
$1,392
China Airlines
Mar 18
CNX11:25 amChiang Mai
43h 05m
2 stops
PDX4:30 pmPortland
Apr 1
PDX10:31 amPortland
33h 49m
2 stops
CNX10:20 amChiang Mai
$1,393

momondo 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, momondo users made 832,500 searches. Data last updated March 3, 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

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:25 am-9:28 am

2 stops36h 03m

Portland

Wed 4/1

2:37 pm-10:20 am

2 stops29h 43m

$1,371

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:50 am-4:30 pm

2 stops42h 40m

Portland

Wed 4/1

10:31 am-10:25 am

2 stops33h 54m

$1,378

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:25 am-4:30 pm

2 stops43h 05m

Portland

Wed 4/1

2:37 pm-10:20 am

2 stops29h 43m

$1,392

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:25 am-4:30 pm

2 stops43h 05m

Portland

Wed 4/1

10:31 am-10:20 am

2 stops33h 49m

$1,393

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 3/31

9:15 pm-6:30 pm

3 stops35h 15m

Portland

Tue 4/7

9:50 am-8:40 am

3 stops32h 50m

$1,492

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 3/31

11:35 am-9:38 pm

2 stops24h 03m

Portland

Tue 4/7

7:27 pm-1:45 pm

3 stops28h 18m

$1,514

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

7:45 pm-8:50 pm

3 stops39h 05m

Portland

Wed 4/1

10:31 am-11:15 am

3 stops34h 44m

$1,726

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

7:45 pm-8:50 pm

3 stops39h 05m

Portland

Wed 4/1

9:00 am-9:20 am

3 stops34h 20m

$1,743

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

7:45 pm-8:50 pm

3 stops39h 05m

Portland

Wed 4/1

1:35 pm-11:15 am

3 stops31h 40m

$1,745

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

6:50 pm-9:50 am

3 stops53h 00m

Portland

Wed 4/1

2:37 pm-5:50 pm

2 stops37h 13m

$1,996

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Portland from

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

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

Delta and Korean Air are the most popular carriers operating from Chiang Mai to Portland

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

36h 03m

Direct flights

None
The fastest flight from Chiang Mai to Portland takes 36h 03m
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 36h 03m.

  • 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.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Depoe Bay
Beaverton
Hillsboro
Hood River
Tigard
Longview
McMinnville
The Dalles
Pacific City
Gresham
Newberg
Manzanita

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.

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