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$695+ Cheap flights from Portland, ME (PWM) to Thailand

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BKK
ene. 29 — feb. 51
jue. 1/29
jue. 2/5
1 adult, Economy
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Cheap flight deals from Portland to Thailand

Best flights from Portland to Thailand
Discover carefully curated flight deals from Portland to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 30, 2025.

This Delta deal was found by Cheapflights users on 12/28. 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.
jue. 2/265:31 amPWM - BKK
2 stops31h 14mDelta
mié. 3/411:15 pmBKK - PWM
2 stops35h 51mDelta
Deal found 12/28$1,010
This Korean Air deal was found by Cheapflights users on 12/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/82:30 pmPWM - BKK
2 stops45h 50mKorean Air
mié. 3/1112:55 amBKK - PWM
2 stops33h 27mKorean Air
Deal found 12/29$1,065
This United Airlines deal was found by Cheapflights users on 12/28. 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.
jue. 2/266:00 amPWM - BKK
3 stops41h 25mUnited Airlines
mié. 3/47:10 amBKK - PWM
2 stops25h 59mUnited Airlines
Deal found 12/28$1,091
This Japan Airlines deal was found by Cheapflights users on 12/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/35:40 pmPWM - BKK
2 stops58h 45mMultiple Airlines
dom. 3/1510:05 pmBKK - PWM
2 stops30h 02mMultiple Airlines
Deal found 12/29$1,155
This Qatar Airways deal was found by Cheapflights users on 12/29. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/2112:49 pmPWM - HKT
2 stops30h 01mQatar Airways
mié. 3/258:20 amHKT - PWM
2 stops38h 59mQatar Airways
Deal found 12/29$1,781
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/33:05 pmPWM - BKK
3 stops32h 20mUnited Airlines
dom. 3/154:55 pmBKK - PWM
3 stops57h 19mUnited Airlines
Deal found 12/29$1,106

Find flight deals from Portland to Thailand

Keep the following information in mind while searching for Portland to Thailand flight deals. Data was last updated diciembre 30, 2025.

Round-trip from

$1,010
(Delta)

One-way from

$695
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$1,116
From Portland to Thailand
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One-way flight from Portland to Thailand
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Highest demand for flights based on searches. 7% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Thailand 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 diciembre 30, 2025.
Use the filters below to find and compare flights from Portland to Thailand that are best for you.

Fly from

Portland

Fly to

Thailand

Route

Depart

Return

Price

PortlandBangkok

PWM - BKK

PWMBKK

Portland

jue. 2/26

5:31 am-12:45 am

2 stops31h 14m

Bangkok Suvarnabhumi

mié. 3/4

11:15 pm-11:06 pm

2 stops35h 51m

$1,010

PortlandBangkok

PWM - BKK

PWMBKK

Portland

dom. 3/8

2:30 pm-11:20 pm

2 stops45h 50m

Bangkok Suvarnabhumi

mié. 3/11

12:55 am-11:22 pm

2 stops33h 27m

$1,065

PortlandBangkok

PWM - BKK

PWMBKK

Portland

jue. 2/26

6:00 am-11:25 am

3 stops41h 25m

Bangkok Suvarnabhumi

mié. 3/4

7:10 am-9:09 pm

2 stops25h 59m

$1,091

PortlandBangkok

PWM - BKK

PWMBKK

Portland

mar. 3/3

3:05 pm-11:25 am

3 stops32h 20m

Bangkok Suvarnabhumi

dom. 3/15

4:55 pm-3:14 pm

3 stops57h 19m

$1,106

PortlandBangkok

PWM - BKK

PWMBKK

Portland

mar. 3/3

5:40 pm-4:25 pm

2 stops58h 45m

Bangkok Suvarnabhumi

dom. 3/15

10:05 pm-5:07 pm

2 stops30h 02m

$1,155

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

sáb. 3/21

12:49 pm-5:50 am

2 stops30h 01m

Phuket City

mié. 3/25

8:20 am-12:19 pm

2 stops38h 59m

$1,781

PortlandBangkok

PWM - BKK

PWMBKK

Portland

jue. 6/4

6:00 am-11:10 pm

2 stops30h 10m

$695

PortlandBangkok

PWM - BKK

PWMBKK

Portland

jue. 6/4

6:00 am-9:45 am

3 stops40h 45m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Best time to book a flight from Portland to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Portland 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 Portland to Thailand

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

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Thailand (average of $660). Flying from Portland, Maine to Thailand in June is currently the most expensive (average of $1,116). 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 PWM to TH?

Find hourly flight availability from Portland to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Thailand at noon. If you’re flexible enough to do this you can expect to save up to 68% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated diciembre 30, 2025.
Peruse reviews from past customers who have flown with United Airlines from Portland to Thailand 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.
United Airlines
7.4
Good
9,122 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
United Airlines
7.4
Good
9,122 reviews
United Airlines
7.4
Good
9,122 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.

Related info for your journey

Find useful and relevant information for your journey from Portland to Thailand. 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 from for flights from Portland to Thailand?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Thailand. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

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

    Airlines like Delta, Korean Air, and United Airlines fly from Portland, Maine to Thailand in about 31h 14m. The time it takes to get you to your destination can typically vary by up to 14h 36m. Portland, Maine and Thailand are separated by a distance of 8429 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Thailand (average of $660). Flying from Portland, Maine to Thailand in June is currently the most expensive (average of $1,116). 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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Top airline flying from Portland to Thailand

Discover the top airline that operate flights from Portland to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,047Average$1,274FlexibilityNo cancel feeOn-time69%

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