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$740+ Cheap flights from Thailand to Portland, ME (PWM)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$1,334
(Japan Airlines)

One-way from

$740
(KAYAK)
From Thailand to Portland
Search Deals
One-way flight from Thailand to Portland
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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 July 31, 2025.

This Japan Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:05 pmBKK - PWM
2 stops27h 51mMultiple Airlines
Sat 9/206:15 amPWM - BKK
2 stops29h 45mMultiple Airlines
Deal found 7/30$1,334
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:25 amBKK - PWM
2 stops40h 47mUnited Airlines
Tue 11/114:51 pmPWM - BKK
2 stops43h 14mUnited Airlines
Deal found 7/30$1,417
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:30 amBKK - PWM
2 stops44h 59mQatar Airways
Sat 9/207:09 amPWM - BKK
2 stops36h 06mQatar Airways
Deal found 7/30$1,544
This Korean Air deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 amBKK - PWM
2 stops24h 52mKorean Air
Tue 11/115:30 amPWM - BKK
2 stops29h 50mKorean Air
Deal found 7/30$1,779
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 amBKK - PWM
2 stops23h 00mDelta
Tue 11/114:55 pmPWM - BKK
2 stops42h 25mDelta
Deal found 7/29$1,780
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:15 pmBKK - PWM
3 stops59h 52mSingapore Airlines
Sat 9/202:17 pmPWM - BKK
3 stops33h 43mSingapore Airlines
Deal found 7/30$2,423

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 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

Sat 9/13

10:05 pm-2:56 pm

2 stops27h 51m

Portland

Sat 9/20

6:15 am-11:00 pm

2 stops29h 45m

$1,334

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 11/7

9:25 am-2:12 pm

2 stops40h 47m

Portland

Tue 11/11

4:51 pm-12:05 am

2 stops43h 14m

$1,417

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 9/12

2:30 am-12:29 pm

2 stops44h 59m

Portland

Sat 9/20

7:09 am-6:15 am

2 stops36h 06m

$1,544

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 11/6

1:00 am-1:52 pm

2 stops24h 52m

Portland

Tue 11/11

5:30 am-11:20 pm

2 stops29h 50m

$1,779

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 11/6

1:00 am-12:00 pm

2 stops23h 00m

Portland

Tue 11/11

4:55 pm-11:20 pm

2 stops42h 25m

$1,780

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sat 9/13

9:15 pm-10:07 pm

3 stops59h 52m

Portland

Sat 9/20

2:17 pm-11:00 am

3 stops33h 43m

$2,423

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 8/21

10:05 pm-12:17 am

2 stops37h 12m

$740

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 9/16

8:05 am-5:45 pm

2 stops44h 40m

$760

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 8/20

10:05 pm-5:49 pm

2 stops30h 44m

$813

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 9/15

2:30 am-12:29 pm

2 stops44h 59m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 13 results
1
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 round-trip 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, January is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of $296). Flying from Thailand to Portland, Maine in July is currently the most expensive (average of $394). 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.

What is the cheapest time of day to fly from TH to PWM?

Find hourly flight availability from Thailand to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Thailand to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 31, 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines, and Singapore Airlines from Thailand to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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
1,121 reviews
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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.
Japan Airlines
8.3
Very good
1,536 reviews
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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.
Singapore Airlines
8.1
Very good
1,338 reviews
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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.
Delta
8.0
Very good
7,981 reviews
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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
3,609 reviews
Korean Air
8.4
Very good
1,121 reviews

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Crew

8.7

Comfort

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 2.9 mi from the center of Portland.

  • What are the cheapest airlines to fly from Thailand to Portland, Maine one-way?

    $740 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on American Airlines and Qatar Airways, with prices starting from $813 and $842, respectively.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of $296). Flying from Thailand to Portland, Maine in July is currently the most expensive (average of $394). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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