Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Oregon to Chiang Mai from $541

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Chiang Mai departing on 9/3. 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 Oregon to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:01 am - 2:20 pmPDX  Portland-CNX Chiang Mai
40h 19m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
3:35 pm - 11:10 pmCNX  Chiang Mai-PDX Portland
46h 35m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$924Multiple Airlines
Mon, Nov 2 - Tue, Nov 10
Multiple Airlines Logo
6:53 pm - 1:25 pmPDX  Portland-CNX Chiang Mai
52h 32m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
2:55 pm - 9:55 pmCNX  Chiang Mai-PDX Portland
45h 00m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$966Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
6:53 pm - 1:25 pmPDX  Portland-CNX Chiang Mai
52h 32m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
2:55 pm - 9:55 pmCNX  Chiang Mai-PDX Portland
45h 00m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$989Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Korean Air Logo
7:05 am - 10:55 pmPDX  Portland-CNX Chiang Mai
24h 50m2 stops Los Angeles Los Angeles Incheon Intl
Korean Air Logo
12:15 am - 4:23 pmCNX  Chiang Mai-PDX Portland
31h 08m2 stops Incheon Intl Los Angeles Los Angeles
$997Korean Air
Tue, Nov 3 - Sun, Nov 8
Korean Air Logo
11:25 am - 10:55 pmPDX  Portland-CNX Chiang Mai
45h 30m2 stops Seattle/Tacoma Intl Incheon Intl
Korean Air Logo
12:15 am - 4:15 pmCNX  Chiang Mai-PDX Portland
31h 00m2 stops Incheon Intl Los Angeles Los Angeles
$1,003Korean Air
Sun, Oct 25 - Mon, Nov 2
Korean Air Logo
7:05 am - 10:55 pmPDX  Portland-CNX Chiang Mai
48h 50m2 stops Los Angeles Los Angeles Incheon Intl
Korean Air Logo
12:15 am - 4:23 pmCNX  Chiang Mai-PDX Portland
31h 08m2 stops Incheon Intl Los Angeles Los Angeles
$1,004Korean Air
Mon, Nov 2 - Sun, Nov 8
Korean Air Logo
7:00 am - 10:55 pmPDX  Portland-CNX Chiang Mai
24h 55m2 stops Los Angeles Los Angeles Incheon Intl
Korean Air Logo
12:15 am - 6:56 pmCNX  Chiang Mai-PDX Portland
33h 41m2 stops Incheon Intl Los Angeles Los Angeles
$1,015Korean Air
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
8:18 pm - 1:25 pmPDX  Portland-CNX Chiang Mai
51h 07m2 stops Los Angeles Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
2:55 pm - 9:55 pmCNX  Chiang Mai-PDX Portland
45h 00m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$1,019Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
7:01 am - 9:05 amPDX  Portland-CNX Chiang Mai
35h 04m3 stops San Francisco Shanghai Pu Dong Kunming Changshui
Multiple Airlines Logo
4:25 pm - 8:40 pmCNX  Chiang Mai-PDX Portland
43h 15m3 stops Kunming Changshui Shanghai Pu Dong Los Angeles Los Angeles
$1,032Multiple Airlines
Mon, Nov 16 - Wed, Dec 16
Multiple Airlines Logo
6:47 am - 2:20 pmPDX  Portland-CNX Chiang Mai
40h 33m2 stops Los Angeles Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
3:35 pm - 4:42 pmCNX  Chiang Mai-PDX Portland
40h 07m2 stops Shanghai Pu Dong Los Angeles Los Angeles
$1,035Multiple Airlines
Mon, Nov 16 - Wed, Dec 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Korean Air flights from Oregon to Chiang Mai

Our best Korean Air deals on Oregon to Chiang Mai flight tickets
Korean Air
Nov 3
PDX7:05 amPortland
24h 50m
2 stops
CNX10:55 pmChiang Mai
Nov 11
CNX12:15 amChiang Mai
33h 41m
2 stops
PDX6:56 pmPortland
$997
Korean Air
Oct 25
PDX11:25 amPortland
45h 30m
2 stops
CNX10:55 pmChiang Mai
Nov 2
CNX12:15 amChiang Mai
31h 00m
2 stops
PDX4:15 pmPortland
$1,003
Korean Air
Nov 2
PDX5:15 pmPortland
38h 40m
2 stops
CNX10:55 pmChiang Mai
Nov 10
CNX12:15 amChiang Mai
35h 41m
2 stops
PDX8:56 pmPortland
$1,004

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Chiang Mai 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 August 9, 2026.
Use the filters below to find and compare flights from Oregon to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 11/2

7:01 am-2:20 pm

2 stops40h 19m

Chiang Mai

Tue 11/10

3:35 pm-11:10 pm

2 stops46h 35m

$924

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Fri 9/4

6:53 pm-1:25 pm

2 stops52h 32m

Chiang Mai

Thu 9/10

2:55 pm-9:55 pm

2 stops45h 00m

$966

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Fri 9/4

6:53 pm-1:25 pm

2 stops52h 32m

Chiang Mai

Thu 9/10

2:55 pm-9:55 pm

2 stops45h 00m

$989
Quickest round-trip

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Tue 11/3

7:05 am-10:55 pm

2 stops24h 50m

Chiang Mai

Sun 11/8

12:15 am-4:23 pm

2 stops31h 08m

$997

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Sun 10/25

11:25 am-10:55 pm

2 stops45h 30m

Chiang Mai

Mon 11/2

12:15 am-4:15 pm

2 stops31h 00m

$1,003

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 11/2

7:05 am-10:55 pm

2 stops48h 50m

Chiang Mai

Sun 11/8

12:15 am-4:23 pm

2 stops31h 08m

$1,004

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 12/2

7:00 am-10:55 pm

2 stops24h 55m

Chiang Mai

Wed 12/9

12:15 am-6:56 pm

2 stops33h 41m

$1,015

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Fri 9/4

8:18 pm-1:25 pm

2 stops51h 07m

Chiang Mai

Thu 9/10

2:55 pm-9:55 pm

2 stops45h 00m

$1,019

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 11/16

7:01 am-9:05 am

3 stops35h 04m

Chiang Mai

Wed 12/16

4:25 pm-8:40 pm

3 stops43h 15m

$1,032

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 11/16

6:47 am-2:20 pm

2 stops40h 33m

Chiang Mai

Wed 12/16

3:35 pm-4:42 pm

2 stops40h 07m

$1,035

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Oregon 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

How long does it take to fly to Chiang Mai?

On average, it takes 22h 48m to fly from Oregon to Chiang Mai if you fly out of Portland (the most popular airport in Oregon) and into Chiang Mai (the most popular airport in Chiang Mai). If you’re flying out of Eugene and into Chiang Mai, then the flight time is around 24h 57m.

Cheap Oregon to Chiang Mai flight deals and tips

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

Fastest flight time

22h 48m

Direct flights

None
The fastest flight from Oregon to Chiang Mai takes 22h 48m
There are no direct flights from Oregon to Chiang Mai. There are no popular flight routes from Oregon to Chiang Mai.
Search flight deals

Frequently asked questions about flying from Oregon to Chiang Mai

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Chiang Mai Airport.

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

    The required travel and health documents for your Chiang Mai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chiang Mai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

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 Chiang Mai from Oregon.

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

Yes. All flights to Chiang Mai from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Oregon to Chiang Mai flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Chiang Mai from Oregon. 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.

An easier way to manage your Chiang Mai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/8
Tue 9/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand