How long is the flight from Oregon to Chiang Mai?

There are many flights that can get you from Oregon to Chiang Mai in 25h 45m. Fly via Korean Air or China Airlines to get the fastest option. There are 7336 mi between Oregon and Chiang Mai. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What airport do you fly into for flights to Chiang Mai from Oregon?

Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Oregon to Chiang Mai.

Can I find deals for flights from Oregon to Chiang Mai that include hotel bookings?

Yes. In addition to deals on Oregon to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Oregon to Chiang Mai?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Chiang Mai.

Can I find deals for business class flights from Oregon to Chiang Mai?

Yes. Cheapflights offers flight deals from Oregon to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$443+ Flights from Oregon to Chiang Mai

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1. Tell us where you want to go

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Cheap flight deals from Oregon to Chiang Mai

Cheapest flights from Oregon to Chiang Mai
Explore the most affordable flight options available from Oregon to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Mon 12/225:50 pmPDX - CNX

2 stops25h 45mEVA Air

Tue 12/3011:50 amCNX - PDX

2 stops33h 28mEVA Air

Deal found 12/11

$2,095

Mon 12/227:28 pmPDX - CNX

2 stops24h 07mMultiple Airlines

Tue 12/309:40 pmCNX - PDX

3 stops34h 17mMultiple Airlines

Deal found 12/10

$2,625

Mon 12/226:00 amPDX - CNX

3 stops36h 05mChina Eastern

Tue 12/304:25 pmCNX - PDX

3 stops40h 50mChina Eastern

Deal found 12/11

$2,764

Best flights from Oregon to Chiang Mai
Discover carefully curated flight deals from Oregon to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Mon 1/266:10 amEUG - CNX

2 stops25h 45mKorean Air

Wed 1/2812:15 amCNX - EUG

2 stops31h 22mKorean Air

Deal found 12/10

$888

Sun 1/185:35 pmPDX - CNX

2 stops25h 50mMultiple Airlines

Thu 1/2911:25 amCNX - PDX

2 stops26h 21mMultiple Airlines

Deal found 12/11

$898

Mon 1/125:35 pmPDX - CNX

2 stops25h 50mChina Airlines

Mon 2/165:35 pmCNX - PDX

2 stops32h 21mChina Airlines

Deal found 12/10

$919

Thu 2/266:25 amPDX - CNX

2 stops25h 30mKorean Air

Sat 3/712:15 amCNX - PDX

2 stops36h 08mKorean Air

Deal found 12/10

$902

Thu 1/159:30 pmPDX - CNX

2 stops45h 55mChina Airlines

Wed 2/2511:25 amCNX - PDX

2 stops37h 17mChina Airlines

Deal found 12/10

$952

Sat 1/242:38 pmPDX - CNX

2 stops34h 57mMultiple Airlines

Sat 1/3111:25 amCNX - PDX

2 stops37h 10mMultiple Airlines

Deal found 12/10

$980

Sat 2/287:10 amPDX - CNX

2 stops24h 45mKorean Air

Fri 3/1312:15 amCNX - PDX

2 stops30h 28mKorean Air

Deal found 12/11

$942

Wed 1/77:38 pmPDX - CNX

2 stops23h 57mMultiple Airlines

Wed 2/112:05 pmCNX - PDX

3 stops23h 41mMultiple Airlines

Deal found 12/10

$1,057

Last-minute flights from Oregon to Chiang Mai
Discover last-minute flight deals from Oregon to Chiang Mai. Data last updated December 12, 2025 and is based on user searches.

Wed 1/75:35 pmPDX - CNX

2 stops26h 00mEVA Air

Wed 2/1111:50 amCNX - PDX

2 stops25h 56mEVA Air

Deal found 12/10

$993

Mon 1/125:35 pmPDX - CNX

2 stops25h 50mChina Airlines

Mon 2/165:35 pmCNX - PDX

2 stops32h 21mChina Airlines

Deal found 12/10

$919

Mon 1/129:30 pmPDX - CNX

2 stops46h 05mEVA Air

Mon 2/1611:50 amCNX - PDX

2 stops26h 54mEVA Air

Deal found 12/11

$974

Thu 1/159:30 pmPDX - CNX

2 stops45h 55mChina Airlines

Wed 2/2511:25 amCNX - PDX

2 stops37h 17mChina Airlines

Deal found 12/10

$952

Thu 1/151:38 pmPDX - CNX

2 stops29h 57mEVA Air

Wed 2/2511:50 amCNX - PDX

2 stops38h 06mEVA Air

Deal found 12/11

$961

Sun 1/185:35 pmPDX - CNX

2 stops25h 50mMultiple Airlines

Thu 1/2911:25 amCNX - PDX

2 stops26h 21mMultiple Airlines

Deal found 12/11

$898

Thu 1/226:25 amPDX - CNX

2 stops40h 55mChina Eastern

Mon 2/211:20 pmCNX - PDX

2 stops32h 05mChina Eastern

Deal found 12/11

$1,045

Sat 1/242:38 pmPDX - CNX

2 stops34h 57mMultiple Airlines

Sat 1/3111:25 amCNX - PDX

2 stops37h 10mMultiple Airlines

Deal found 12/10

$980

Mon 1/266:10 amEUG - CNX

2 stops25h 45mKorean Air

Wed 1/2812:15 amCNX - EUG

2 stops31h 22mKorean Air

Deal found 12/10

$888

One-way flights from Oregon to Chiang Mai
Search for one-way flight options from Oregon to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 3/105:50 pmPDX - CNX

2 stops26h 35mMultiple Airlines

Deal found 12/10

$443

Tue 3/107:57 pmPDX - CNX

2 stops29h 58mSTARLUX Airlines

Deal found 12/10

$541

Thu 1/12:56 pmPDX - CNX

2 stops28h 39mMultiple Airlines

Deal found 12/11

$543

Thu 1/11:51 pmPDX - CNX

2 stops29h 44mEVA Air

Deal found 12/10

$595

Fri 12/265:10 amPDX - CNX

2 stops38h 25mEVA Air

Deal found 12/11

$855

Mon 12/229:45 pmPDX - CNX

2 stops51h 10mMultiple Airlines

Deal found 12/10

$1,120

Fri 12/267:15 amPDX - CNX

3 stops35h 10mMultiple Airlines

Deal found 12/10

$1,587

Find flight deals from Oregon to Chiang Mai

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$869 (Korean Air)
One-way from	$443 (SmartFares)
Popular in	June
Cheapest in	November
Average price	$1,227

Provider with most accurate pricing for Portland-Chiang Mai flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Chiang Mai flights.

Search Deals

From Oregon to Chiang Mai

Search Deals

One-way flight from Oregon to Chiang Mai

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($286 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

EugeneChiang Mai

EUG - CNX

EUGCNX

Eugene

Mon 1/26

6:10 am-10:55 pm

2 stops25h 45m

Chiang Mai

Wed 1/28

12:15 am-4:37 pm

2 stops31h 22m

$888

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 1/18

5:35 pm-10:25 am

2 stops25h 50m

Chiang Mai

Thu 1/29

11:25 am-10:46 pm

2 stops26h 21m

$898

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

6:25 am-10:55 pm

2 stops25h 30m

Chiang Mai

Sat 3/7

12:15 am-9:23 pm

2 stops36h 08m

$902

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 1/12

5:35 pm-10:25 am

2 stops25h 50m

Chiang Mai

Mon 2/16

5:35 pm-10:56 am

2 stops32h 21m

$919

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 2/28

7:10 am-10:55 pm

2 stops24h 45m

Chiang Mai

Fri 3/13

12:15 am-4:43 pm

2 stops30h 28m

$942

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 1/15

9:30 pm-10:25 am

2 stops45h 55m

Chiang Mai

Wed 2/25

11:25 am-9:42 am

2 stops37h 17m

$952

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 1/24

2:38 pm-4:35 pm

2 stops34h 57m

Chiang Mai

Sat 1/31

11:25 am-9:35 am

2 stops37h 10m

$980

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 1/7

7:38 pm-10:35 am

2 stops23h 57m

Chiang Mai

Wed 2/11

2:05 pm-10:46 pm

3 stops23h 41m

$1,057

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 3/10

5:50 pm-10:25 am

2 stops26h 35m

$443

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 1/1

2:56 pm-10:35 am

2 stops28h 39m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 15 results

Best time to book a flight from Oregon to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Oregon with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Chiang Mai

What is the cheapest time of day to fly from OR to CNX?

One of the essential ways to save on airfare from Oregon to Chiang Mai is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.

Related info for your journey

What airport do you fly into for flights to Chiang Mai from Oregon?
Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Oregon to Chiang Mai.
How long is the flight from Oregon to Chiang Mai?
There are many flights that can get you from Oregon to Chiang Mai in 25h 45m. Fly via Korean Air or China Airlines to get the fastest option. There are 7336 mi between Oregon and Chiang Mai. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Oregon to Chiang Mai that include hotel bookings?
Yes. In addition to deals on Oregon to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oregon to Chiang Mai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Chiang Mai.
Can I find deals for business class flights from Oregon to Chiang Mai?
Yes. Cheapflights offers flight deals from Oregon to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Oregon to Chiang Mai

Airline	Cheapest	Average	Flexibility	On-time
EVA Air	Cheapest$963	Average$1,104	FlexibilityNo cancel fee	On-time74%

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$443+ Cheap flights from Oregon to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oregon to Chiang Mai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oregon to Chiang Mai

Cheapest flights from Oregon to Chiang MaiExplore the most affordable flight options available from Oregon to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Oregon to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Oregon to Chiang Mai

Keep the following information in mind while searching for Oregon to Chiang Mai flight deals. Data was last updated December 12, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oregon to Chiang Mai that are best for you.

Best time to book a flight from Oregon to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Oregon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Chiang Mai

What is the cheapest time of day to fly from OR to CNX?

Find hourly flight availability from Oregon to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Chiang Mai from Oregon?

How long is the flight from Oregon to Chiang Mai?

Can I find deals for flights from Oregon to Chiang Mai that include hotel bookings?

How can I find direct flights from Oregon to Chiang Mai?

Can I find deals for business class flights from Oregon to Chiang Mai?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Oregon to Chiang Mai

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Book with Flexibility

Travel Smart

Cheapest flights from Oregon to Chiang Mai
Explore the most affordable flight options available from Oregon to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.