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Cheap flights from Thailand to Portland, Maine from ฿37,538

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
13 Mar — 20 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Portland
Explore the most affordable flight options available from Thailand to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 February 2026.

Fri 25/907:05
BKK
-
PWM
2 stops41h 37m
แอร์แคนาดา
Tue 29/920:15
PWM
-
BKK
2 stops45h 50m
แอร์แคนาดา
Deal found 7/2฿37,538
Fri 25/909:35
BKK
-
PWM
2 stops44h 49m
United Airlines
Tue 29/916:48
PWM
-
BKK
3 stops29h 47m
United Airlines
Deal found 8/2฿45,207
Tue 24/308:05
BKK
-
PWM
2 stops26h 32m
Multiple Airlines
Wed 8/406:00
PWM
-
BKK
2 stops36h 50m
Multiple Airlines
Deal found 8/2฿83,275
Tue 24/314:00
BKK
-
PWM
2 stops39h 25m
ออสเตรียนแอร์ไลน์
Fri 8/511:08
PWM
-
BKK
2 stops40h 42m
ออสเตรียนแอร์ไลน์
Deal found 8/2฿91,599

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 11 February 2026.

Round-trip from

฿83,275
Japan Airlines
  • Japan Airlines
  • 24/3-8/4
  • 4 total stops
  • 63h 22m total
  • Thailand to Portland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand 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 11 February 2026.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Thailand

Fly to

Portland

Route

Depart

Return

Price

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

08:05-23:37

2 stops26h 32m

Portland

Wed 8/4

06:00-05:50

2 stops36h 50m

฿83,275

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

14:00-18:25

2 stops39h 25m

Portland

Fri 8/5

11:08-14:50

2 stops40h 42m

฿91,599

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

16:55-10:49

3 stops28h 54m

Portland

Fri 8/5

09:39-23:55

2 stops27h 16m

฿138,178

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

22:05-17:07

2 stops30h 02m

Portland

Thu 23/4

07:07-05:50

2 stops35h 43m

฿159,317

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

16:55-21:11

3 stops39h 16m

Portland

Thu 23/4

18:13-04:35

2 stops47h 22m

฿201,094

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 24/3

16:55-21:11

3 stops39h 16m

Portland

Wed 8/4

18:13-09:35

3 stops52h 22m

฿201,437

Flights are sorted by cheapest return flights first.

Deals found on 8/2

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.
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.

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 ฿29,556). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of ฿39,346). 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.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Thailand?

    If you book a flight to Portland from Thailand, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 4.7 km from the centre of Portland.

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

    A quick flight from Thailand to Portland, Maine can take about 28h 54m. ออสเตรียนแอร์ไลน์ provides one of the quickest options available for as low as ฿138,178. Thailand and Portland, Maine are separated by a distance of 13565 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Thailand to Portland that include hotel bookings?

    Yes. In addition to deals on Thailand to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Portland.

  • Can I find deals for business class flights from Thailand to Portland?

    Yes. Cheapflights offers flight deals from Thailand 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.

  • 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 ฿29,556). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of ฿39,346). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Thailand to Portland?

Cheapflights helps you search for flights from Thailand to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thailand to Portland for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Thailand to Portland with no change fees.

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