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Chiang Mai

$532+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CNX
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$887
(Fareboom)

One-way from

$532
(Justfly.com)

Popular in

September

Cheapest in

May

Average price

$1,266
Provider with most accurate pricing for Portland-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Portland-Chiang Mai flights.
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From Portland to Chiang Mai
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One-way flight from Portland to Chiang Mai
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Highest demand for flights based on searches. 12% potential increase in price ($204 potential increase over avg. RT price).
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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 15, 2025.

This Fareboom deal was found by Cheapflights users on 4/14. 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.
Wed 10/15:55 pmPDX - CNX
2 stops26h 25mChina Airlines
Tue 11/411:25 amCNX - PDX
2 stops33h 53mChina Airlines
Deal found 4/14$887
This Delta deal was found by Cheapflights users on 4/14. 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 10/299:10 amPDX - CNX
2 stops23h 55mDelta
Mon 11/1012:15 amCNX - PDX
2 stops38h 36mDelta
Deal found 4/14$954
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:54 pmPDX - CNX
2 stops39h 01mKorean Air
Tue 5/1311:15 pmCNX - PDX
2 stops37h 26mKorean Air
Deal found 4/15$960
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:45 pmPDX - CNX
2 stops29h 30mSTARLUX Airlines
Sat 11/85:15 pmCNX - PDX
2 stops40h 38mSTARLUX Airlines
Deal found 4/14$963
This Gurufare deal was found by Cheapflights users on 4/15. 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.
Tue 5/67:00 amPDX - CNX
2 stops26h 40mMultiple Airlines
Mon 5/1212:45 amCNX - PDX
2 stops28h 30mMultiple Airlines
Deal found 4/15$1,019
This oojo deal was found by Cheapflights users on 4/13. 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 5/135:50 pmPDX - CNX
2 stops26h 35mEVA Air
Tue 5/2011:35 amCNX - PDX
2 stops33h 43mEVA Air
Deal found 4/13$1,030
This Qatar Airways deal was found by Cheapflights users on 4/15. 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 4/15$1,234
This FlightHub deal was found by Cheapflights users on 4/15. 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 10/47:35 pmPDX - CNX
2 stops38h 05mAsiana Airlines
Sun 10/1212:45 amCNX - PDX
2 stops47h 29mAsiana Airlines
Deal found 4/15$1,546
This Malaysia Airlines deal was found by Cheapflights users on 4/14. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 pmPDX - CNX
2 stops52h 20mMalaysia Airlines
Sat 11/82:50 pmCNX - PDX
2 stops40h 45mMalaysia Airlines
Deal found 4/14$2,468

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 15, 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

Tue 5/6

4:54 pm-9:55 pm

2 stops39h 01m

Chiang Mai

Tue 5/13

11:15 pm-10:41 pm

2 stops37h 26m

$960

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 5/6

7:00 am-11:40 pm

2 stops26h 40m

Chiang Mai

Mon 5/12

12:45 am-3:15 pm

2 stops28h 30m

$1,019

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 5/13

5:50 pm-10:25 am

2 stops26h 35m

Chiang Mai

Tue 5/20

11:35 am-7:18 am

2 stops33h 43m

$1,030

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 5/5

12:59 am-9:55 pm

2 stops30h 56m

Chiang Mai

Tue 5/13

11:15 pm-8:52 pm

2 stops35h 37m

$1,501

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 5/26

1:25 pm-11:15 am

3 stops31h 50m

Chiang Mai

Mon 6/9

11:55 am-5:00 pm

3 stops43h 05m

$1,680

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 5/13

6:30 pm-8:45 am

3 stops48h 15m

Chiang Mai

Mon 5/19

12:45 am-8:53 pm

2 stops34h 08m

$2,692

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 4/24

9:12 am-9:55 pm

2 stops22h 43m

$532

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 5/7

10:00 pm-4:20 pm

2 stops28h 20m

$541

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 5/7

5:40 pm-9:55 pm

3 stops38h 15m

$552

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 4/23

12:59 am-9:55 pm

2 stops30h 56m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 15, 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 15, 2025.
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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
154 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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.
EVA Air
8.4
Very good
1,176 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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.
Korean Air
8.4
Very good
1,063 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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
729 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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
438 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Boarding

9.0

Food

8.9

Crew

9.3

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 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 $887 on this airline. Additional options worth looking into are Korean Air and EVA Air, starting at $960 and $1,030 round-trip. Users have found that China Airlines is 40% 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 $532. However, be on the lookout for offers from STARLUX Airlines and Delta, 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

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

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 15, 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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