$1,233+ Cheap flights from Portland, ME (PWM) to Chiang Mai (CNX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CNX
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Chiang Mai
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Best
Last-minute
Cheapest flights from Portland to Chiang MaiExplore 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 September 9, 2026.
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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sun 11/86:03 am -
2 stops28h 42m
Sun 11/1512:20 am -
2 stops35h 11m
Deal found 9/8![Delta logo]()
$1,233
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops38h 55m
Mon 11/169:10 am -
2 stops48h 26m
Deal found 9/8![Etihad Airways logo]()
$1,283
This FlightHub deal was found by Cheapflights users on 9/8. 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.
Fri 11/136:30 am -
2 stops35h 35m
Sun 11/159:10 am -
2 stops50h 33m
Deal found 9/8![Multiple Airlines logo]()
$1,320
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/232:09 pm -
2 stops45h 36m
Thu 10/2912:20 am -
2 stops26h 42m
Deal found 9/8![Delta logo]()
$1,498
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/309:10 am -
2 stops43h 05m
Deal found 9/8![Etihad Airways logo]()
$1,506
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/3012:10 pm -
3 stops46h 33m
Deal found 9/8![Japan Airlines logo]()
$2,290
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops38h 55m
Mon 11/167:45 pm -
3 stops39h 58m
Deal found 9/8![Japan Airlines logo]()
$2,702
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
3 stops40h 50m
Sun 11/157:45 pm -
3 stops39h 58m
Deal found 9/8![Japan Airlines logo]()
$4,064
Best flights from Portland to Chiang MaiDiscover carefully curated flight deals from Portland to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Portland to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops38h 55m
Mon 11/169:10 am -
2 stops48h 26m
Deal found 9/8![Etihad Airways logo]()
$1,283
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/232:09 pm -
2 stops45h 36m
Thu 10/2912:20 am -
2 stops26h 42m
Deal found 9/8![Delta logo]()
$1,498
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/3012:10 pm -
3 stops46h 33m
Deal found 9/8![Japan Airlines logo]()
$2,290
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/309:10 am -
2 stops43h 05m
Deal found 9/8![Etihad Airways logo]()
$1,506
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
3 stops40h 50m
Sun 11/157:45 pm -
3 stops39h 58m
Deal found 9/8![Japan Airlines logo]()
$4,064
Last-minute flights from Portland to Chiang MaiDiscover last-minute flight deals from Portland to Chiang Mai. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Chiang Mai. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/232:09 pm -
2 stops45h 36m
Thu 10/2912:20 am -
2 stops26h 42m
Deal found 9/8![Delta logo]()
$1,498
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/309:10 am -
2 stops43h 05m
Deal found 9/8![Etihad Airways logo]()
$1,506
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
3 stops42h 20m
Fri 10/3012:10 pm -
3 stops46h 33m
Deal found 9/8![Japan Airlines logo]()
$2,290
Find flight deals from Portland to Chiang Mai
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 September 9, 2026.
Round-trip from | $1,233 (Delta) |
|---|
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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Portland to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandChiang Mai
PWM Portland - CNX Chiang Mai
PWMCNX
Portland
Sun 11/8
6:30 am-9:25 am
3 stops38h 55m
Chiang Mai
Mon 11/16
9:10 am-9:36 pm
2 stops48h 26m
$1,283
Quickest round-trip
PortlandChiang Mai
PWM Portland - CNX Chiang Mai
PWMCNX
Portland
Fri 10/23
2:09 pm-10:45 pm
2 stops45h 36m
Chiang Mai
Thu 10/29
12:20 am-4:02 pm
2 stops26h 42m
$1,498
PortlandChiang Mai
PWM Portland - CNX Chiang Mai
PWMCNX
Portland
Fri 10/23
6:00 am-11:20 am
3 stops42h 20m
Chiang Mai
Fri 10/30
9:10 am-5:15 pm
2 stops43h 05m
$1,506
PortlandChiang Mai
PWM Portland - CNX Chiang Mai
PWMCNX
Portland
Fri 10/23
6:00 am-11:20 am
3 stops42h 20m
Chiang Mai
Fri 10/30
12:10 pm-11:43 pm
3 stops46h 33m
$2,290
PortlandChiang Mai
PWM Portland - CNX Chiang Mai
PWMCNX
Portland
Fri 11/13
6:30 am-11:20 am
3 stops40h 50m
Chiang Mai
Sun 11/15
7:45 pm-11:43 pm
3 stops39h 58m
$4,064
Sorted by cheapest first
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.
PWM-CNX
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.
Related info for your journey
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