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Chiang Mai

$527+ Cheap flights from Portland (PDX) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CNX
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Portland to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$942
(oojo)

One-way from

$527
(Travelocity)

Popular in

September

Cheapest in

May

Average price

$1,266
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 Portland to Chiang Mai
Search Deals
One-way flight from Portland to Chiang Mai
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($126 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Portland to Chiang Mai

Cheapest flights from Portland to Chiang Mai
Explore the most affordable flight options available from Portland to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:45 pmPDX - CNX
2 stops23h 40mChina Airlines
Wed 12/311:25 amCNX - PDX
2 stops26h 54mChina Airlines
Deal found 4/21$914
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:30 amPDX - CNX
2 stops26h 25mDelta
Mon 9/1511:15 pmCNX - PDX
2 stops35h 34mDelta
Deal found 4/21$955
This Korean Air deal was found by Cheapflights users on 4/21. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:10 pmPDX - CNX
2 stops38h 45mKorean Air
Sun 9/1411:15 pmCNX - PDX
2 stops28h 04mKorean Air
Deal found 4/21$961
This Orbitz deal was found by Cheapflights users on 4/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:00 amPDX - CNX
2 stops26h 40mMultiple Airlines
Thu 9/1112:45 amCNX - PDX
2 stops29h 45mMultiple Airlines
Deal found 4/21$968
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:00 pmPDX - CNX
2 stops28h 20mSTARLUX Airlines
Thu 9/115:20 pmCNX - PDX
2 stops41h 05mSTARLUX Airlines
Deal found 4/21$1,004
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:30 pmPDX - CNX
2 stops26h 55mEVA Air
Mon 10/1311:35 amCNX - PDX
2 stops32h 43mEVA Air
Deal found 4/21$1,065
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:40 amPDX - CNX
3 stops32h 40mQatar Airways
Mon 10/138:00 pmCNX - PDX
3 stops41h 53mQatar Airways
Deal found 4/22$1,235
This Flightnetwork deal was found by Cheapflights users on 4/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:15 amPDX - CNX
3 stops44h 25mAir Canada
Sat 9/135:40 pmCNX - PDX
3 stops43h 16mAir Canada
Deal found 4/22$1,281
This Asiana Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 9/37:35 pmPDX - CNX
2 stops38h 05mAsiana Airlines
Tue 9/912:45 amCNX - PDX
2 stops33h 52mAsiana Airlines
Deal found 4/21$1,423
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:11 amPDX - CNX
2 stops41h 14mChina Eastern
Mon 6/94:20 pmCNX - PDX
3 stops37h 40mChina Eastern
Deal found 4/21$1,787
This Air China deal was found by Cheapflights users on 4/21. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/129:53 amPDX - CNX
2 stops45h 57mAir China
Tue 12/2311:05 pmCNX - PDX
2 stops36h 00mAir China
Deal found 4/21$3,393

Cheapflights Fare Finder

Customize your flight search to find flights from Portland 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 22, 2025.
Use the filters below to find and compare flights from Portland to Chiang Mai that are best for you.

Fly from

Portland

Fly to

Chiang Mai

Route

Depart

Return

Price

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 4/26

9:12 am-9:55 pm

2 stops22h 43m

Chiang Mai

Sun 5/25

11:15 pm-10:41 pm

2 stops37h 26m

$1,000

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 7/10

7:10 am-9:55 pm

2 stops24h 45m

Chiang Mai

Wed 12/17

12:15 am-7:13 pm

2 stops33h 58m

$1,145

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 4/26

7:00 am-11:40 pm

2 stops26h 40m

Chiang Mai

Sat 5/24

12:45 am-4:24 pm

2 stops29h 39m

$1,180

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 7/13

9:59 pm-4:20 pm

2 stops28h 21m

Chiang Mai

Sat 12/20

5:15 pm-10:26 pm

2 stops44h 11m

$1,182

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 5/26

5:06 pm-10:25 am

2 stops27h 19m

Chiang Mai

Mon 6/9

11:35 am-2:33 pm

2 stops40h 58m

$1,320

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 5/23

7:40 pm-4:40 pm

2 stops31h 00m

Chiang Mai

Sat 5/31

5:40 pm-10:55 pm

2 stops43h 15m

$1,559

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 6/20

10:30 am-10:20 am

2 stops33h 50m

Chiang Mai

Tue 7/8

11:20 am-9:45 am

2 stops36h 25m

$1,593

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 5/21

9:30 am-9:20 am

3 stops33h 50m

Chiang Mai

Wed 5/28

2:35 pm-5:00 pm

3 stops40h 25m

$1,670

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 5/26

6:11 am-1:25 pm

2 stops41h 14m

Chiang Mai

Mon 6/9

4:20 pm-4:00 pm

3 stops37h 40m

$1,787

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 5/23

7:21 am-1:45 pm

3 stops40h 24m

Chiang Mai

Sat 5/31

10:10 am-4:46 pm

3 stops68h 36m

$1,822

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 16 results
1
2

Compare providers for flights from Portland to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Chiang Mai in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Portland 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 Portland to Chiang Mai

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

Currently, April is the cheapest month in which you can book a flight from Portland to Chiang Mai (average of $1,016). Flying from Portland 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 PDX to CNX?

Find hourly flight availability from Portland 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 22, 2025.

It’s typically best to fly out from Portland to Chiang Mai in the morning. Doing so could potentially save you 42% on the flight price compared to flying at noon, which is usually more expensive.

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 22, 2025.
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,179 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,062 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Asiana Airlines
8.2
Very good
442 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 are the cheapest airlines flying from Portland to Chiang Mai round-trip?

    Our cheapest airline available from Portland to Chiang Mai is China Airlines. Our recent data shows that you can find tickets from as low as $942 on this airline. Additional options worth looking into are Delta and Korean Air, starting at $955 and $961 round-trip. Users have found that China Airlines is 37% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $527. However, be on the lookout for offers from STARLUX Airlines and China Eastern, as they are both options that can get you from Portland to Chiang Mai for a low price.

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

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

  • How can I find direct flights from Portland to Chiang Mai?

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Portland to Chiang Mai (average of $1,016). Flying from Portland 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

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Top 2 airlines flying from Portland to Chiang Mai

Discover the top 2 airlines that operate flights from Portland 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,062Average$1,300FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,104Average$1,489FlexibilityNo cancel feeOn-time81%

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