PDX - CNX

฿17,651 Find Cheap Flights from Portland to Chiang Mai – Compare and Save

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Everything you should know

Cheapest return flight
฿31,706
Typical prices: ฿31,871-฿48,514
China Eastern
Fri 30/11Fri 7/12
PDX - CNX • 2 stops
Cheapest one-way flight
฿18,410
Typical prices: ฿18,202-฿24,903
เดลต้า
Sat 27/1
PDX - CNX • 2 stops
When to travel
November
Cheapest • 22% price drop
January
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Chiang Mai!
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Booking Insights
Flight Deals

Cheap Flights from Portland to Chiang Mai (PDX-CNX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portland to Chiang Mai

Mon 30 Nov - Mon 7 Dec
China Eastern Logo
06:20 - 14:20PDX  Portland-CNX Chiang Mai
41h 00m2 stops Los Angeles Shanghai Pu Dong
China Eastern Logo
15:35 - 16:25CNX  Chiang Mai-PDX Portland
39h 50m2 stops Shanghai Pu Dong Los Angeles
฿31,706China Eastern
Mon 22 Feb - Wed 24 Feb
Korean Air Logo
06:40 - 22:45PDX  Portland-CNX Chiang Mai
25h 05m2 stops Seattle/Tacoma Intl Incheon Intl
Korean Air Logo
00:20 - 19:28CNX  Chiang Mai-PDX Portland
34h 08m2 stops Incheon Intl Los Angeles
฿32,927Korean Air
Tue 19 Jan - Mon 1 Feb
Korean Air Logo
06:30 - 22:45PDX  Portland-CNX Chiang Mai
25h 15m2 stops Los Angeles Incheon Intl
Korean Air Logo
00:20 - 13:08CNX  Chiang Mai-PDX Portland
27h 48m2 stops Incheon Intl Seattle/Tacoma Intl
฿32,960Korean Air
Tue 20 Oct - Tue 27 Oct
Multiple Airlines Logo
07:03 - 13:25PDX  Portland-CNX Chiang Mai
40h 22m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
15:35 - 16:34CNX  Chiang Mai-PDX Portland
38h 59m2 stops Shanghai Pu Dong Los Angeles
฿34,181Multiple Airlines
Fri 6 Nov - Sat 14 Nov
Multiple Airlines Logo
18:04 - 14:20PDX  Portland-CNX Chiang Mai
53h 16m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
15:35 - 23:18CNX  Chiang Mai-PDX Portland
46h 43m2 stops Shanghai Pu Dong Los Angeles
฿34,280Multiple Airlines
Fri 4 Dec - Sun 20 Dec
Multiple Airlines Logo
06:00 - 14:20PDX  Portland-CNX Chiang Mai
41h 20m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
15:35 - 20:47CNX  Chiang Mai-PDX Portland
44h 12m2 stops Shanghai Pu Dong San Francisco
฿35,401Multiple Airlines
Fri 15 Jan - Sun 21 Feb
China Airlines Logo
17:06 - 10:25PDX  Portland-CNX Chiang Mai
26h 19m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
China Airlines Logo
11:25 - 22:33CNX  Chiang Mai-PDX Portland
26h 08m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
฿35,797China Airlines
Mon 30 Nov - Mon 7 Dec
Multiple Airlines Logo
16:44 - 14:20PDX  Portland-CNX Chiang Mai
54h 36m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
15:35 - 16:27CNX  Chiang Mai-PDX Portland
39h 52m2 stops Shanghai Pu Dong Los Angeles
฿35,995Multiple Airlines
Sat 24 Oct - Fri 30 Oct
เดลต้า Logo
07:10 - 22:45PDX  Portland-CNX Chiang Mai
25h 35m2 stops Seattle/Tacoma Intl Incheon Intl
เดลต้า Logo
00:20 - 22:42CNX  Chiang Mai-PDX Portland
36h 22m2 stops Incheon Intl Seattle/Tacoma Intl
฿36,457เดลต้า
Sat 26 Sep - Sat 10 Oct
Multiple Airlines Logo
18:50 - 10:20PDX  Portland-CNX Chiang Mai
25h 30m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
17:20 - 23:02CNX  Chiang Mai-PDX Portland
43h 42m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
฿38,767Multiple Airlines
Booking Insights

Price, demand, and travel trends for Portland to Chiang Mai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Portland to Chiang Mai with more confidence.

How much is a return flight from Portland to Chiang Mai?

Return flights from Portland to Chiang Mai start at ฿31,706. Prices are below average for this route right now, with typical return fares ranging from ฿31,871 to ฿48,514. The lowest price found in the past 5 days was ฿31,706 on China Eastern.

What's the cheapest day of the week to fly from Portland to Chiang Mai?

Wednesday is the cheapest day of the week to fly from Portland to Chiang Mai and is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 55% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Portland to Chiang Mai?

  • November is the cheapest month to fly from Portland to Chiang Mai at ฿27,879 return.
  • June (฿55,527) and July (฿49,192) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 99% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Portland to Chiang Mai flights

Low season

May

Cheapest flight

฿18,410
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly and prices are also 8% lower on average.
Flights from Portland to Chiang Mai

When to book flights from Portland to Chiang Mai

Are your dates flexible? Find out the best times to travel from Portland to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Portland to Chiang Mai flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Portland to Chiang Mai?

    Flights from Portland to Chiang Mai usually depart from Portland (PDX) and arrive at Chiang Mai (CNX).

  • Which cabin classes can I book on flights from Portland to Chiang Mai?

    Only Economy class is available on flights from Portland to Chiang Mai.

  • Can I save money by using flexible dates for flights from Portland to Chiang Mai?

    Yes. Being flexible with your travel dates can save you up to 46% on the Portland to Chiang Mai route. Wednesday is the cheapest departure day at ฿30,353 return on average, while Sunday is the most expensive at ฿55,527, a difference of ฿25,174. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Chiang Mai?

    Some of the most popular sights in Chiang Mai are Tha Phae Gate, Wat Jed Yot, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

  • Do I need a passport to fly from Portland to Chiang Mai?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Portland to Chiang Mai changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿31,706 to ฿237,945. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Portland to Chiang Mai looking right now?

    One-way fares from Portland to Chiang Mai are currently in line with typical prices for this route. Average one-way fares are about ฿20,832.

  • What is the time difference between Portland and Chiang Mai?

    Chiang Mai is 14 hours ahead of Portland (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿410 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Hertz
    • Yesaway

  • How much should I expect to pay for a Portland to Chiang Mai flight?

    Return flights from Portland to Chiang Mai range from ฿31,871 to ฿48,514, with an average of ฿35,599 over the past 12 months. Anything below ฿31,871 counts as a good deal.

Your guide to booking Portland to Chiang Mai flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average ฿30,353 – about ฿25,174 less than Sunday (45% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Portland to Chiang Mai trip for November. Fares historically average ฿27,879 return in that month – typically ฿27,648 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.
    - Le Naview @Prasingh
    - Bodhi Serene, Chiang Mai
    - 99 The Gallery Hotel

More options for your flight from Portland to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Car rentals in Chiang Mai
Hotels in Chiang Mai