Cheap flights from Bangkok to Portland, Maine from ฿34,396
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Bangkok to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) 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 17 September 2025.
Round-trip from | ฿34,396 |
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Find flight deals from Bangkok to Portland
Cheapest flights from Bangkok to PortlandExplore the most affordable flight options available from Bangkok to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Explore the most affordable flight options available from Bangkok to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Bangkok to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Fri 31/10
07:15-23:17
2 stops27h 02m
Portland
Fri 7/11
06:00-06:30
2 stops36h 30m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Fri 7/11
08:15-17:48
2 stops45h 33m
Portland
Tue 11/11
19:44-06:30
2 stops46h 46m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Fri 7/11
16:55-09:19
3 stops28h 24m
Portland
Tue 11/11
15:20-11:25
3 stops56h 05m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Thu 30/10
03:00-12:42
2 stops44h 42m
Portland
Fri 7/11
15:52-06:40
2 stops26h 48m
BangkokPortland
BKK - PWM
BKKPWM
Bangkok Suvarnabhumi
Fri 31/10
16:55-09:19
3 stops27h 24m
Portland
Fri 7/11
06:00-05:10
2 stops35h 10m
Best time to book a flight from Bangkok to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Bangkok with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Bangkok to Portland
Related info for your journey
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Alternative routes for Bangkok to Portland
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Cheapflights makes it easy to find Bangkok to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
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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 Bangkok.
Can Cheapflights find flights from Bangkok to Portland with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Portland flexibly with Cheapflights today.
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Not ready to book yet? You can track prices for flights from Bangkok to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.