HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$519+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CNX
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$963
(Gurufare)

One-way from

$519
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$1,172
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. 11% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($126 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 1, 2025.

This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:45 pmPDX - CNX
2 stops29h 35mSTARLUX Airlines
Sun 5/115:20 pmCNX - PDX
2 stops43h 03mSTARLUX Airlines
Deal found 3/31$963
This Fareboom deal was found by Cheapflights users on 3/31. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:30 pmPDX - CNX
2 stops27h 05mMultiple Airlines
Sun 11/911:50 amCNX - PDX
2 stops45h 48mMultiple Airlines
Deal found 3/31$1,012
This Fareboom deal was found by Cheapflights users on 3/31. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:45 pmPDX - CNX
2 stops27h 35mChina Airlines
Fri 9/1211:20 amCNX - PDX
2 stops36h 05mChina Airlines
Deal found 3/31$1,047
This Fareboom deal was found by Cheapflights users on 3/31. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:45 pmPDX - CNX
2 stops23h 40mEVA Air
Mon 10/1311:35 amCNX - PDX
2 stops32h 43mEVA Air
Deal found 3/31$1,057
This Qatar Airways deal was found by Cheapflights users on 3/31. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:24 pmPDX - CNX
3 stops31h 51mQatar Airways
Tue 9/308:00 pmCNX - PDX
3 stops39h 25mQatar Airways
Deal found 3/31$1,098
This KAYAK deal was found by Cheapflights users on 3/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:40 pmPDX - CNX
2 stops32h 25mKorean Air
Tue 12/212:15 amCNX - PDX
2 stops35h 20mKorean Air
Deal found 3/31$1,320
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Fri 5/233:25 pmPDX - CNX
2 stops35h 15mAir Canada
Sat 5/315:40 pmCNX - PDX
2 stops39h 05mAir Canada
Deal found 3/31$1,483
This Delta deal was found by Cheapflights users on 3/31. 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.
Sun 11/912:40 amPDX - CNX
2 stops31h 25mDelta
Tue 12/212:15 amCNX - PDX
2 stops38h 36mDelta
Deal found 3/31$1,493
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:30 pmPDX - CNX
2 stops38h 10mAsiana Airlines
Sun 10/1212:45 amCNX - PDX
2 stops51h 57mAsiana Airlines
Deal found 3/31$1,546
This KAYAK deal was found by Cheapflights users on 3/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:11 amPDX - CNX
3 stops36h 54mChina Eastern
Sat 5/312:55 pmCNX - PDX
2 stops39h 13mChina Eastern
Deal found 3/31$2,505
This Ovago deal was found by Cheapflights users on 4/1. 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.
Thu 12/185:30 pmEUG - CNX
2 stops26h 05mMultiple Airlines
Sat 1/311:50 amCNX - EUG
2 stops24h 12mMultiple Airlines
Deal found 4/1$2,592
This Qatar Airways deal was found by Cheapflights users on 4/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:50 amEUG - CNX
3 stops38h 55mQatar Airways
Sat 1/37:45 pmCNX - EUG
3 stops40h 17mQatar Airways
Deal found 4/1$3,048

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 April 1, 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

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 5/1

8:45 pm-4:20 pm

2 stops29h 35m

Chiang Mai

Sun 5/11

5:20 pm-10:23 pm

2 stops43h 03m

$963

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 9/1

7:00 am-11:40 pm

2 stops26h 40m

Chiang Mai

Thu 9/11

12:45 am-6:22 pm

2 stops31h 37m

$1,014

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 9/1

4:45 pm-10:20 am

2 stops27h 35m

Chiang Mai

Fri 9/12

11:20 am-9:25 am

2 stops36h 05m

$1,047

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 9/24

1:24 pm-11:15 am

3 stops31h 51m

Chiang Mai

Tue 9/30

8:00 pm-9:25 pm

3 stops39h 25m

$1,098

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 5/23

3:25 pm-4:40 pm

2 stops35h 15m

Chiang Mai

Sat 5/31

5:40 pm-6:45 pm

2 stops39h 05m

$1,483

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 9/12

12:40 am-9:55 pm

2 stops31h 15m

Chiang Mai

Sun 9/21

11:15 pm-11:51 pm

2 stops38h 36m

$1,509

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 5/23

6:11 am-9:05 am

3 stops36h 54m

Chiang Mai

Sat 5/31

2:55 pm-4:08 pm

2 stops39h 13m

$2,505

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 9/24

7:41 pm-8:45 am

3 stops47h 04m

Chiang Mai

Mon 9/29

12:45 am-10:15 am

2 stops23h 30m

$4,927

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 4/24

7:40 am-1:40 pm

3 stops40h 00m

$519

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 6/8

3:25 pm-4:40 pm

2 stops35h 15m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 11 results
1
2

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 $1,016). Flying from Oregon to Chiang Mai in December is currently the most expensive (average of $1,678). 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 April 1, 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.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

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.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

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).

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 April 1, 2025.
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
723 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very good
440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Delta
8.0
Very good
7,899 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Qatar Airways
7.4
Good
3,541 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Entertainment

9.0

Boarding

9.0

Crew

9.3

Comfort

9.0

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

  • 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 $1,016). Flying from Oregon to Chiang Mai in December is currently the most expensive (average of $1,678). 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

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.
Los Angeles to Suvarnabhumi flights
John F Kennedy Intl to Suvarnabhumi flights
Seattle to Suvarnabhumi flights
Newark to Suvarnabhumi flights
Dallas/Fort Worth to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
O'Hare Intl to Suvarnabhumi flights
San Francisco to Suvarnabhumi flights
Dulles Intl to Suvarnabhumi flights
Hobby to Suvarnabhumi flights
Ontario to Suvarnabhumi flights
Boston to Suvarnabhumi flights
Reagan-National to Suvarnabhumi flights
Atlanta to Suvarnabhumi flights
Baltimore to Suvarnabhumi flights
Miami to Suvarnabhumi flights
George Bush Intcntl to Suvarnabhumi flights
Love Field to Suvarnabhumi flights
Denver to Suvarnabhumi flights
San Jose to Suvarnabhumi flights
Las Vegas to Suvarnabhumi flights
Santa Ana to Suvarnabhumi flights
Honolulu to Suvarnabhumi flights
Midway to Suvarnabhumi flights
Burbank to Suvarnabhumi flights
Los Angeles to Don Mueang Intl flights
Oakland to Suvarnabhumi flights
Orlando to Suvarnabhumi flights
Sky Harbor Intl to Suvarnabhumi flights
Minneapolis to Suvarnabhumi flights
Austin to Suvarnabhumi flights
Portland to Suvarnabhumi flights
Detroit to Suvarnabhumi flights
John F Kennedy Intl to Phuket City flights
Philadelphia to Suvarnabhumi flights
John F Kennedy Intl to Don Mueang Intl flights
Charlotte to Suvarnabhumi flights
Nashville to Suvarnabhumi flights
Tampa to Suvarnabhumi flights
Los Angeles to Phuket City flights
San Francisco to Don Mueang Intl flights
San Diego to Suvarnabhumi flights
Raleigh to Suvarnabhumi flights
Dulles Intl to Phuket City flights
Salt Lake City to Suvarnabhumi flights
Newark to Phuket City flights
Fort Lauderdale to Suvarnabhumi flights
O'Hare Intl to Don Mueang Intl flights
Columbus to Suvarnabhumi flights
LaGuardia to Phuket City flights

Top 2 airlines flying from Oregon to Chiang Mai

Discover the top 2 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,062Average$1,300FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,104Average$1,489FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.