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Cheap flights from Chiang Mai to Portland from $589

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 10/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chiang Mai to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:10 pm - 2:46 pm
CNX
-
PDX
31h 36m
2 stops
Air Canada Logo
7:45 pm - 11:15 am
PDX
-
CNX
25h 30m
2 stops
$1,017Air Canada
Thu, Sep 10 - Mon, Sep 14
Air Canada Logo
9:10 pm - 2:46 pm
CNX
-
PDX
31h 36m
2 stops
Air Canada Logo
7:45 pm - 11:15 am
PDX
-
CNX
25h 30m
2 stops
$1,025Air Canada
Thu, Sep 10 - Mon, Sep 14
Air Canada Logo
9:10 pm - 2:46 pm
CNX
-
PDX
31h 36m
2 stops
Air Canada Logo
7:45 pm - 11:15 am
PDX
-
CNX
25h 30m
2 stops
$1,032Air Canada
Thu, Sep 10 - Mon, Sep 14
Air Canada Logo
9:10 pm - 2:46 pm
CNX
-
PDX
31h 36m
2 stops
Air Canada Logo
7:45 pm - 11:15 am
PDX
-
CNX
25h 30m
2 stops
$1,035Air Canada
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
9:10 pm - 9:31 am
CNX
-
PDX
26h 21m
2 stops
Multiple Airlines Logo
10:10 am - 10:00 pm
PDX
-
CNX
21h 50m
2 stops
$1,041Multiple Airlines
Thu, Jul 9 - Thu, Jul 16
Multiple Airlines Logo
5:20 pm - 9:25 am
CNX
-
PDX
30h 05m
2 stops
Multiple Airlines Logo
8:18 pm - 4:20 pm
PDX
-
CNX
30h 02m
2 stops
$1,047Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
8:00 pm - 7:11 pm
CNX
-
PDX
37h 11m
2 stops
Multiple Airlines Logo
7:45 pm - 1:45 pm
PDX
-
CNX
28h 00m
2 stops
$1,093Multiple Airlines
Sun, Jul 12 - Wed, Jul 29
Multiple Airlines Logo
8:00 pm - 9:31 am
CNX
-
PDX
27h 31m
2 stops
Multiple Airlines Logo
7:45 pm - 9:20 am
PDX
-
CNX
23h 35m
2 stops
$1,098Multiple Airlines
Sun, Jul 19 - Wed, Jul 29
Multiple Airlines Logo
9:10 pm - 9:31 am
CNX
-
PDX
26h 21m
2 stops
Multiple Airlines Logo
10:10 am - 10:00 pm
PDX
-
CNX
21h 50m
2 stops
$1,106Multiple Airlines
Thu, Jul 9 - Thu, Jul 16
Multiple Airlines Logo
8:00 pm - 4:47 pm
CNX
-
PDX
34h 47m
3 stops
Multiple Airlines Logo
5:36 pm - 10:25 am
PDX
-
CNX
26h 49m
2 stops
$1,140Multiple Airlines
Sun, Jul 12 - Wed, Jul 29

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Air Canada flights from Chiang Mai to Portland

Our best Air Canada deals on Chiang Mai to Portland flight tickets
Air Canada
Sep 10
CNX9:10 pmChiang Mai
31h 36m
2 stops
PDX2:46 pmPortland
Sep 14
PDX7:45 pmPortland
25h 30m
2 stops
CNX11:15 amChiang Mai
$1,017
Air Canada
Sep 10
CNX9:10 pmChiang Mai
31h 36m
2 stops
PDX2:46 pmPortland
Sep 14
PDX7:45 pmPortland
25h 30m
2 stops
CNX11:15 amChiang Mai
$1,025
Air Canada
Sep 10
CNX9:10 pmChiang Mai
31h 36m
2 stops
PDX2:46 pmPortland
Sep 14
PDX7:45 pmPortland
25h 30m
2 stops
CNX11:15 amChiang Mai
$1,032

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 June 25, 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

Cheapest round-trip

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-2:46 pm

2 stops31h 36m

Portland

Mon 9/14

7:45 pm-11:15 am

2 stops25h 30m

$1,017

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-2:46 pm

2 stops31h 36m

Portland

Mon 9/14

7:45 pm-11:15 am

2 stops25h 30m

$1,025

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-2:46 pm

2 stops31h 36m

Portland

Mon 9/14

7:45 pm-11:15 am

2 stops25h 30m

$1,032

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 9/10

9:10 pm-2:46 pm

2 stops31h 36m

Portland

Mon 9/14

7:45 pm-11:15 am

2 stops25h 30m

$1,035
Quickest round-trip

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 7/9

9:10 pm-9:31 am

2 stops26h 21m

Portland

Thu 7/16

10:10 am-10:00 pm

2 stops21h 50m

$1,041

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 9/1

5:20 pm-9:25 am

2 stops30h 05m

Portland

Tue 9/8

8:18 pm-4:20 pm

2 stops30h 02m

$1,047

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 7/12

8:00 pm-7:11 pm

2 stops37h 11m

Portland

Wed 7/29

7:45 pm-1:45 pm

2 stops28h 00m

$1,093

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 7/19

8:00 pm-9:31 am

2 stops27h 31m

Portland

Wed 7/29

7:45 pm-9:20 am

2 stops23h 35m

$1,098

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 7/9

9:10 pm-9:31 am

2 stops26h 21m

Portland

Thu 7/16

10:10 am-10:00 pm

2 stops21h 50m

$1,106

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 7/12

8:00 pm-4:47 pm

3 stops34h 47m

Portland

Wed 7/29

5:36 pm-10:25 am

2 stops26h 49m

$1,140

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

26h 21m

Direct flights

None
The fastest flight from Chiang Mai to Portland takes 26h 21m
There are no direct flights from Chiang Mai to Portland. There are no popular flight routes from Chiang Mai to Portland.
Search flight deals

Frequently asked questions about flying from Chiang Mai to Portland

  • 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 26h 21m.

  • 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.

Frequently asked questions about flying from Chiang Mai to Portland

  • How do I get Price Alerts for flights from Chiang Mai to Portland?

    Price Alerts will notify you by email when the price for flights to Portland from Chiang Mai decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Chiang Mai to Portland with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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
Beaverton
Hillsboro
Depoe Bay
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
The Dalles
Kelso

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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