Chiang Mai

$459+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CNX
Jul 30 — Aug 61
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Cheap 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 July 25, 2025.

Round-trip from

$816
(Delta)

One-way from

$459
(Expedia)

Popular in

September

Cheapest in

May

Average price

$1,604
From Oregon to Chiang Mai
One-way flight from Oregon to Chiang Mai
Highest demand for flights based on searches. 14% potential increase in price ($243 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($132 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find 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 July 25, 2025.

This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:30 amEUG - CNX
2 stops25h 25mDelta
Tue 9/2311:15 pmCNX - EUG
2 stops37h 27mDelta
Deal found 7/23$816
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:10 amPDX - CNX
2 stops24h 55mDelta
Mon 12/112:15 amCNX - PDX
2 stops35h 34mDelta
Deal found 7/23$840
This Ovago deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:10 amPDX - CNX
2 stops23h 55mKorean Air
Tue 11/1812:15 amCNX - PDX
2 stops28h 04mKorean Air
Deal found 7/22$842
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:38 pmPDX - CNX
2 stops29h 47mChina Airlines
Wed 12/311:25 amCNX - PDX
2 stops26h 54mChina Airlines
Deal found 7/22$896
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:37 pmPDX - CNX
2 stops29h 43mSTARLUX Airlines
Tue 12/94:55 pmCNX - PDX
2 stops40h 58mSTARLUX Airlines
Deal found 7/24$897
This Expedia deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:30 pmPDX - CNX
2 stops51h 25mMultiple Airlines
Sat 12/64:55 pmCNX - PDX
2 stops40h 58mMultiple Airlines
Deal found 7/23$910
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:35 pmPDX - CNX
2 stops40h 05mAsiana Airlines
Fri 9/1212:45 amCNX - PDX
2 stops29h 45mAsiana Airlines
Deal found 7/22$954
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:40 pmPDX - CNX
2 stops25h 45mEVA Air
Mon 10/1311:35 amCNX - PDX
2 stops25h 57mEVA Air
Deal found 7/23$1,011
This Air Canada deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/233:25 pmPDX - CNX
2 stops35h 15mAir Canada
Mon 10/65:40 pmCNX - PDX
2 stops43h 21mAir Canada
Deal found 7/22$1,098
This CheapOair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:20 amPDX - CNX
2 stops41h 05mChina Eastern
Sun 9/214:20 pmCNX - PDX
3 stops37h 42mChina Eastern
Deal found 7/24$1,137
This Asiana Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:31 pmEUG - CNX
2 stops39h 09mAsiana Airlines
Mon 9/2212:45 amCNX - EUG
2 stops36h 05mAsiana Airlines
Deal found 7/21$2,439

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2025.
Use the filters below to find and compare flights from Oregon to Chiang Mai that are best for you.

Fly from

Oregon

Fly to

Chiang Mai

Route

Depart

Return

Price

EugeneChiang Mai

EUG - CNX

EUGCNX

Eugene

Fri 9/19

6:30 am-9:55 pm

2 stops25h 25m

Chiang Mai

Tue 9/23

11:15 pm-10:42 pm

2 stops37h 27m

$816

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 11/12

7:10 am-11:05 pm

2 stops24h 55m

Chiang Mai

Tue 11/25

12:15 am-8:49 pm

2 stops35h 34m

$840

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 10/28

9:10 am-11:05 pm

2 stops23h 55m

Chiang Mai

Tue 11/18

12:15 am-1:19 pm

2 stops28h 04m

$842

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 11/10

1:38 pm-10:25 am

2 stops29h 47m

Chiang Mai

Wed 12/3

11:25 am-11:19 pm

2 stops26h 54m

$896

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/9

8:37 pm-4:20 pm

2 stops29h 43m

Chiang Mai

Tue 12/9

4:55 pm-6:53 pm

2 stops40h 58m

$897

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 11/15

9:30 pm-3:55 pm

2 stops51h 25m

Chiang Mai

Sat 12/6

4:55 pm-6:53 pm

2 stops40h 58m

$910

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 8/30

5:35 pm-11:40 pm

2 stops40h 05m

Chiang Mai

Fri 9/12

12:45 am-4:30 pm

2 stops29h 45m

$954

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 1/1

2:30 pm-10:35 am

2 stops29h 05m

Chiang Mai

Thu 1/22

11:50 am-8:38 pm

2 stops23h 48m

$995

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/23

3:25 pm-4:40 pm

2 stops35h 15m

Chiang Mai

Mon 10/6

5:40 pm-11:01 pm

2 stops43h 21m

$1,098

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 9/13

6:20 am-1:25 pm

2 stops41h 05m

Chiang Mai

Sun 9/21

4:20 pm-4:02 pm

3 stops37h 42m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 21 results
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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 month to book a flight from Oregon to Chiang Mai?

Currently, April is the cheapest month in which you can book a flight from Oregon to Chiang Mai (average of $1,010). Flying from Oregon to Chiang Mai in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 July 25, 2025.

When flying from Oregon to Chiang Mai, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Oregon to Chiang Mai?

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated July 25, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Korean Air from Oregon to Chiang Mai. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Entertainment

9.0

Overall

9.0

Crew

9.3

Boarding

9.0

Comfort

9.0

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    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.

  • What are the cheapest airlines to fly from Oregon to Chiang Mai one-way?

    To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $459. China Airlines flights start at $549 while deals on China Eastern start at $619 one-way.

  • 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.

  • What is the cheapest month to book a flight from Oregon to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Oregon to Chiang Mai (average of $1,010). Flying from Oregon to Chiang Mai in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Oregon to Chiang Mai

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

Top 3 airlines flying from Oregon to Chiang Mai

Discover the top 3 airlines that operate flights from Oregon to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$789Average$1,274FlexibilityNo cancel feeOn-time81%
DeltaCheapest$790Average$1,279FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$1,030Average$1,187FlexibilityNo cancel feeOn-time74%

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