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Cheap flights from Thailand to Portland, Maine from ฿22,578

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
7 Jul — 14 Jul1
1 adult

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 2 July 2025.

Round-trip from

฿45,999

One-way from

฿22,578
United Airlines
  • United Airlines
  • 7/11-11/11
  • 5 total stops
  • 72h 44m total
  • Thailand to Portland
Search Deals
Qatar Airways
  • Qatar Airways
  • 30/9
  • 2 total stops
  • 37h 01m total
  • Thailand to Portland
Search Deals

Find flight deals from Thailand to Portland

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 2 July 2025.

Wed 9/702:30BKK - PWM
2 stops56h 47mQatar Airways
Fri 8/806:05PWM - BKK
2 stops44h 20mQatar Airways
Deal found 30/6฿42,657
Fri 7/1109:25BKK - PWM
2 stops40h 54mUnited Airlines
Tue 11/1115:00PWM - BKK
3 stops31h 50mUnited Airlines
Deal found 30/6฿45,999
Thu 6/1101:00BKK - PWM
2 stops27h 10mเดลต้า
Tue 11/1105:40PWM - BKK
2 stops29h 40mเดลต้า
Deal found 30/6฿57,709
Mon 15/900:45CNX - PWM
2 stops26h 20mMultiple Airlines
Tue 30/906:33PWM - CNX
2 stops30h 07mMultiple Airlines
Deal found 1/7฿63,548
Thu 10/718:30BKK - PWM
3 stops40h 47mSingapore Airlines
Fri 8/814:19PWM - BKK
3 stops33h 41mSingapore Airlines
Deal found 1/7฿116,748

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 2 July 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

09:25-14:19

2 stops40h 54m

Portland

Tue 11/11

15:00-10:50

3 stops31h 50m

฿45,999

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 6/11

01:00-16:10

2 stops27h 10m

Portland

Tue 11/11

05:40-23:20

2 stops29h 40m

฿57,709

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Mon 15/9

00:45-16:05

2 stops26h 20m

Portland

Tue 30/9

06:33-23:40

2 stops30h 07m

฿63,548

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 30/9

20:00-22:01

2 stops37h 01m

฿22,578

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 14/8

08:05-23:59

2 stops26h 54m

฿27,346

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Mon 18/8

21:45-09:43

3 stops46h 58m

฿33,315

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Mon 18/8

23:15-00:03

2 stops35h 48m

฿37,208

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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
No data available for this route at this time. Please check back soon.

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 2 July 2025.
See what other customers who have flown with Korean Air, เดลต้า, andQatar Airways from Thailand to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,101 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very Good
1,101 reviews
Korean Air
8.4
Very Good
1,101 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
เดลต้า
8.0
Very Good
7,974 reviews
Korean Air
8.4
Very Good
1,101 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Qatar Airways
7.4
Good
3,593 reviews
Korean Air
8.4
Very Good
1,101 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
United Airlines
7.4
Good
8,858 reviews
Korean Air
8.4
Very Good
1,101 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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.

  • 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.

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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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?

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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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