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Cheap flights from Thailand to Portland, Maine from ฿46,429

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Find 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 22 October 2025.

Fri 7/1116:55BKK - PWM
3 stops29h 07mUnited Airlines
Tue 11/1116:57PWM - BKK
3 stops54h 28mUnited Airlines
Deal found 21/10฿46,429
Fri 7/1108:15BKK - PWM
2 stops26h 50mแอร์แคนาดา
Tue 11/1119:44PWM - BKK
2 stops46h 46mแอร์แคนาดา
Deal found 21/10฿48,721
Fri 7/1118:55BKK - PWM
2 stops29h 18mAmerican Airlines
Tue 11/1115:36PWM - BKK
2 stops32h 39mAmerican Airlines
Deal found 20/10฿56,580
Thu 6/1100:55BKK - PWM
2 stops33h 24mเดลต้า
Tue 11/1106:00PWM - BKK
2 stops27h 30mเดลต้า
Deal found 21/10฿57,791
Thu 6/1100:55BKK - PWM
2 stops25h 03mKorean Air
Tue 11/1106:00PWM - BKK
2 stops30h 45mKorean Air
Deal found 19/10฿58,151

Cheap flight deals from Thailand to Portland

Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated 22 October 2025.

Round-trip from

฿46,429
United Airlines
  • United Airlines
  • 7/11-11/11
  • 6 total stops
  • 83h 35m 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 22 October 2025.
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

Fri 7/11

16:55-10:02

3 stops29h 07m

Portland

Tue 11/11

16:57-11:25

3 stops54h 28m

฿46,560

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 7/11

08:15-23:05

2 stops26h 50m

Portland

Tue 11/11

19:44-06:30

2 stops46h 46m

฿48,885

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Wed 18/3

00:15-21:59

2 stops56h 44m

Portland

Sun 22/3

12:50-22:55

2 stops47h 05m

฿54,812

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 7/11

18:55-12:13

2 stops29h 18m

Portland

Tue 11/11

15:36-12:15

2 stops32h 39m

฿56,580

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 6/11

00:55-22:19

2 stops33h 24m

Portland

Tue 11/11

13:25-13:25

2 stops36h 00m

฿57,955

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 6/11

00:55-13:58

2 stops25h 03m

Portland

Tue 11/11

06:00-00:45

2 stops30h 45m

฿58,151

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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 ฿27,144). Flying from Thailand to Portland, Maine in August is currently the most expensive (average of ฿41,256). 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 26h 50m. United Airlines provides one of the quickest options available for as low as ฿48,885. 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 ฿27,144). Flying from Thailand to Portland, Maine in August is currently the most expensive (average of ฿41,256). 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

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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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Chiang Mai to Boston flights
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Chiang Mai to Portland flights

Fly with Cheapflights

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

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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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