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Cheap flights from Bangkok to Portland, Maine from ฿46,276

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
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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 27 October 2025.

Round-trip from

฿46,276
United Airlines
  • United Airlines
  • 7/11-11/11
  • 6 total stops
  • 87h 52m total
  • Bangkok to Portland
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Find flight deals from Bangkok to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Portland
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 27 October 2025.

Fri 7/1116:55BKK - PWM
3 stops33h 24mUnited Airlines
Tue 11/1116:57PWM - BKK
3 stops54h 28mUnited Airlines
Deal found 24/10฿46,276
Wed 10/1220:30BKK - PWM
2 stops33h 45mQatar Airways
Wed 17/1215:55PWM - BKK
2 stops38h 30mQatar Airways
Deal found 26/10฿51,490
Fri 7/1120:30BKK - PWM
2 stops27h 43mAmerican Airlines
Tue 11/1112:38PWM - BKK
2 stops35h 37mAmerican Airlines
Deal found 25/10฿56,443
Thu 6/1100:55BKK - PWM
2 stops33h 24mเดลต้า
Tue 11/1106:00PWM - BKK
2 stops30h 45mเดลต้า
Deal found 26/10฿59,800

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok 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 27 October 2025.
Use the filters below to find and compare flights from Bangkok to Portland that are best for you.

Fly from

Bangkok

Fly to

Portland

Route

Depart

Return

Price

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 7/11

16:55-14:19

3 stops33h 24m

Portland

Tue 11/11

16:57-11:25

3 stops54h 28m

฿46,276

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 10/12

20:30-18:15

2 stops33h 45m

Portland

Wed 17/12

15:55-18:25

2 stops38h 30m

฿51,490

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 6/11

00:55-22:19

2 stops33h 24m

Portland

Tue 11/11

06:00-00:45

2 stops30h 45m

฿59,800

Flights are sorted by cheapest return flights first.

Deals found on 24/10

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.
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 Bangkok to Portland

What is the cheapest month to book a flight from Bangkok to Portland, Maine?

Currently, February is the cheapest month in which you can book a flight from Bangkok to Portland, Maine (average of ฿27,016). Flying from Bangkok to Portland, Maine in August is currently the most expensive (average of ฿41,062). 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 Bangkok 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 Bangkok?

    Located just 4.7 km from the city centre, Portland is the airport most travellers will use when flying to Portland from Bangkok. Booking flights from Bangkok to Portland (PWM) should be relatively easy as there are 0 daily inbound flights from Bangkok from 0 different airlines.

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

    Airlines like United Airlines fly from Bangkok to Portland, Maine in about 33h 24m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13565 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok 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 Bangkok to Portland, Maine?

    Currently, February is the cheapest month in which you can book a flight from Bangkok to Portland, Maine (average of ฿27,016). Flying from Bangkok to Portland, Maine in August is currently the most expensive (average of ฿41,062). 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 Bangkok to Portland

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