$891+ Cheap flights from Thailand to Portland, ME (PWM)
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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Thailand to Portland with Cheapflights
1. Tell us where you want to go
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 Thailand to Portland
Best flights from Thailand to PortlandDiscover carefully curated flight deals from Thailand to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Thailand to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Korean Air deal was found by Cheapflights users on 12/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from Thailand to Portland
Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated December 18, 2025.
Round-trip from | $1,465 (United Airlines) |
|---|---|
One-way from | $891 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $1,211 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Thailand to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Thu 2/12
4:55 pm-2:23 pm
3 stops57h 28m
Portland
Mon 2/16
5:45 am-5:10 am
2 stops35h 25m
Chiang MaiPortland
CNX - PWM
CNXPWM
Chiang Mai
Fri 2/13
9:40 pm-12:18 am
2 stops38h 38m
Portland
Mon 2/16
2:35 pm-10:55 pm
2 stops44h 20m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Thu 4/2
3:15 am-5:38 pm
3 stops49h 23m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Fri 4/3
9:15 am-12:19 pm
2 stops38h 04m
Best time to book a flight from Thailand to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Thailand with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Thailand to Portland
What is the cheapest month to book a flight from Thailand to Portland, Maine?
Currently, February is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of $658). Flying from Thailand to Portland, Maine in August is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TH to PWM?
Find hourly flight availability from Thailand to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from Thailand to Portland, Maine by exploring options for tickets in the evening.
What is the cheapest day to fly from Thailand to Portland, Maine?
Use this chart to determine the cheapest time to fly round-trip from Thailand to Portland. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Thailand to Portland, Maine flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.