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Cheap flights from Bangkok to Portland, Maine from ฿41,941

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
16 Jun — 23 Jun1
1 adult

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 11 June 2025.

Round-trip from

฿41,941
Qatar Airways
  • Qatar Airways
  • 10/7-8/8
  • 4 total stops
  • 87h 57m total
  • Bangkok to Portland
Search Deals

Find flight deals from Bangkok to Portland

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 11 June 2025.

Thu 10/709:05BKK - PWM
2 stops50h 12mQatar Airways
Fri 8/806:10PWM - BKK
2 stops37h 45mQatar Airways
Deal found 9/6฿41,941
Sun 6/702:30BKK - PWM
2 stops32h 47mMultiple Airlines
Tue 18/1105:30PWM - BKK
2 stops31h 15mMultiple Airlines
Deal found 9/6฿42,235
Mon 7/707:00BKK - PWM
3 stops51h 14mUnited Airlines
Tue 18/1106:00PWM - BKK
3 stops40h 50mUnited Airlines
Deal found 9/6฿48,632
Thu 10/718:30BKK - PWM
3 stops40h 47mSingapore Airlines
Fri 8/814:20PWM - BKK
3 stops33h 40mSingapore Airlines
Deal found 10/6฿93,772

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 11 June 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

Thu 10/7

09:05-00:17

2 stops50h 12m

Portland

Fri 8/8

06:10-06:55

2 stops37h 45m

฿41,941

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sun 6/7

02:30-00:17

2 stops32h 47m

Portland

Tue 18/11

05:30-00:45

2 stops31h 15m

฿42,235

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 7/7

07:00-23:14

3 stops51h 14m

Portland

Tue 18/11

06:00-10:50

3 stops40h 50m

฿48,632

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 10/7

18:30-00:17

3 stops40h 47m

Portland

Fri 8/8

14:20-11:00

3 stops33h 40m

฿93,772

Flights are sorted by cheapest return flights first.

Deals found on 9/6

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

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 73.0 - 115.0 inches per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland, Maine when rainfall is around 73.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 11 June 2025.
Singapore Airlines
8.1
Very Good
1,302 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,302 reviews
Singapore Airlines
8.1
Very Good
1,302 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,584 reviews
Singapore Airlines
8.1
Very Good
1,302 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
United Airlines
7.4
Good
8,784 reviews
Singapore Airlines
8.1
Very Good
1,302 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

  • 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.

See more FAQs

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Alternative routes for Bangkok to Portland

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