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Cheap flights from Chiang Mai to Portland, Maine from ฿54,284

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — PWM
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 (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 30 October 2025.

Round-trip from

฿54,284
เดลต้า
  • เดลต้า
  • 18/3-22/3
  • 4 total stops
  • 111h 09m total
  • Chiang Mai to Portland
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Best flights from Chiang Mai to Portland
Discover carefully curated flight deals from Chiang Mai to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Wed 18/300:15CNX - PWM
2 stops56h 44mเดลต้า
Sun 22/305:30PWM - CNX
2 stops54h 25mเดลต้า
Deal found 27/10฿54,284

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 30 October 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 - PWM

CNXPWM

Chiang Mai

Wed 18/3

00:15-21:59

2 stops56h 44m

Portland

Sun 22/3

05:30-22:55

2 stops54h 25m

฿54,284

Flights are sorted by cheapest return flights first.

Deals found on 27/10

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 56h 44m. Fly via เดลต้า to get the fastest option. There are 12981 km between Chiang Mai and Portland, Maine.

  • 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.

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