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Cheap flights from Chiang Mai to Portland, Maine from ฿57,047

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PWM
2 Mar — 9 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Portland

Enter your travel dates to find the best prices.

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 31 January 2026.

Mon 16/300:15
CNX
-
PWM
2 stops34h 07m
เดลต้า
Tue 24/314:30
PWM
-
CNX
2 stops45h 25m
เดลต้า
Deal found 30/1฿57,047
Thu 26/308:50
CNX
-
PWM
2 stops43h 17m
เอทิฮัดแอร์เวย์
Thu 30/407:07
PWM
-
CNX
2 stops36h 18m
เอทิฮัดแอร์เวย์
Deal found 30/1฿79,929
Tue 17/321:05
CNX
-
PWM
3 stops36h 59m
Multiple Airlines
Tue 24/311:30
PWM
-
CNX
3 stops43h 20m
Multiple Airlines
Deal found 30/1฿138,610
Thu 26/319:45
CNX
-
PWM
3 stops37h 33m
Multiple Airlines
Thu 30/411:08
PWM
-
CNX
3 stops43h 42m
Multiple Airlines
Deal found 30/1฿155,520

Find 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 (PWM). 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 31 January 2026.

Round-trip from

฿57,047
เดลต้า
  • เดลต้า
  • 16/3-24/3
  • 4 total stops
  • 79h 32m total
  • Chiang Mai to Portland
Search Deals

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 31 January 2026.
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 - PWM

CNXPWM

Chiang Mai

Mon 16/3

00:15-23:22

2 stops34h 07m

Portland

Tue 24/3

14:30-22:55

2 stops45h 25m

฿57,047

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Thu 26/3

08:50-17:07

2 stops43h 17m

Portland

Thu 30/4

07:07-06:25

2 stops36h 18m

฿79,929

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Tue 17/3

21:05-23:04

3 stops36h 59m

Portland

Tue 24/3

11:30-17:50

3 stops43h 20m

฿138,610

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Thu 26/3

19:45-22:18

3 stops37h 33m

Portland

Thu 30/4

11:08-17:50

3 stops43h 42m

฿155,520

Flights are sorted by cheapest return flights first.

Deals found on 30/1

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.

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.

  • How long is the flight from Chiang Mai to Portland, Maine?

    There are many flights that can get you from Chiang Mai to Portland, Maine in 34h 07m. Fly via เดลต้า or เอทิฮัดแอร์เวย์ to get the fastest option. There are 12981 km between Chiang Mai and Portland, Maine. Both multi-stop and direct flights can be found to your destination and back.

  • 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

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Alternative routes for Chiang Mai to Portland

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chiang Mai to Portland flexibly with Cheapflights today.

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