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Cheap flights from Chiang Mai to Portland from ฿23,262

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 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PDX
10 Jul — 17 Jul1
1 adult

Cheap flight deals from Chiang Mai to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Portland (PDX). 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 5 July 2025.

Round-trip from

฿44,679

One-way from

฿23,262
3/8-4/8
  • 3/8-4/8
  • 4 total stops
  • 67h 54m total
  • Chiang Mai to Portland
Korean Air
  • Korean Air
  • 18/7
  • 2 total stops
  • 30h 41m total
  • Chiang Mai to Portland

Find flight deals from Chiang Mai to Portland

Cheapest flights from Chiang Mai to Portland
Explore the most affordable flight options available from Chiang Mai to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.

Sun 3/800:45CNX - PDX
2 stops32h 13mMultiple Airlines
Mon 4/821:59PDX - CNX
2 stops35h 41mMultiple Airlines
Deal found 5/7฿44,679

Cheapflights Fare Finder

Customise your flight search to find flights from Chiang Mai to Portland 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 17,341 searches. Data last updated 5 July 2025.
Use the filters below to find and compare flights from Chiang Mai to Portland that are best for you.

Fly from

Chiang Mai

Fly to

Portland

Route

Depart

Return

Price

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 3/8

00:45-18:58

2 stops32h 13m

Portland

Mon 4/8

21:59-23:40

2 stops35h 41m

฿44,679

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 18/7

23:15-15:56

2 stops30h 41m

฿23,262

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 18/7

23:15-08:17

2 stops47h 02m

฿23,294

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sun 3/8

00:45-22:56

2 stops36h 11m

฿25,106

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 18/7

20:00-23:59

3 stops41h 59m

฿36,041

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Best time to book a flight from Chiang Mai to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Chiang Mai with our price prediction graph.
Estimated return 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 5 July 2025.
See what other customers who have flown with Korean Air, เดลต้า, andQatar Airways from Chiang Mai to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Portland. 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 to fly from Chiang Mai to Portland one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as ฿23,262. Users have also found prices from ฿23,294 and ฿36,041 on เดลต้า and Qatar Airways, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chiang Mai to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Wilsonville

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Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Portland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portland from Chiang Mai.

Can Cheapflights find flights from Chiang Mai to Portland with no change fees?

Need flexible booking options for your flight to Portland from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Chiang Mai to Portland become cheaper?

Yes, Cheapflights offers price alerts on Chiang Mai to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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