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Suvarnabhumi

$618+ Cheap flights from Portland, ME (PWM) to Suvarnabhumi (BKK)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BKK
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Suvarnabhumi (BKK). 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 September 11, 2025.

Round-trip from

$998
(Japan Airlines)

One-way from

$618
(United Airlines)

Popular in

November

Cheapest in

April
From Portland to Bangkok Suvarnabhumi
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One-way flight from Portland to Bangkok Suvarnabhumi
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Highest demand for flights based on searches. 5% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Find flight deals from Portland to Suvarnabhumi

Cheapest flights from Portland to Suvarnabhumi
Explore the most affordable flight options available from Portland to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Japan Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 9/283:28 pmPWM - BKK
2 stops36h 42mMultiple Airlines
Sun 10/510:05 pmBKK - PWM
2 stops35h 59mMultiple Airlines
Deal found 9/10$998
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 9/246:00 amPWM - BKK
2 stops30h 25mDelta
Sun 9/2811:30 pmBKK - PWM
2 stops35h 41mDelta
Deal found 9/10$1,079
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:17 pmPWM - BKK
2 stops34h 03mEVA Air
Fri 9/193:15 pmBKK - PWM
2 stops65h 52mEVA Air
Deal found 9/11$1,284
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 9/286:00 amPWM - BKK
2 stops30h 25mDelta
Sat 10/42:35 amBKK - PWM
2 stops32h 36mDelta
Deal found 9/10$1,298
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/123:56 pmPWM - BKK
2 stops27h 19mQatar Airways
Thu 9/182:30 amBKK - PWM
2 stops44h 59mQatar Airways
Deal found 9/11$1,391
This Japan Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/95:37 pmPWM - BKK
2 stops47h 28mMultiple Airlines
Wed 11/199:55 amBKK - PWM
2 stops43h 10mMultiple Airlines
Deal found 9/11$2,911
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:17 pmPWM - BKK
2 stops30h 58mSingapore Airlines
Fri 9/199:15 pmBKK - PWM
3 stops59h 52mSingapore Airlines
Deal found 9/11$3,224
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/93:20 pmPWM - BKK
2 stops45h 00mUnited Airlines
Wed 11/194:55 pmBKK - PWM
3 stops29h 09mUnited Airlines
Deal found 9/11$3,336
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:15 amPWM - BKK
2 stops29h 45mAmerican Airlines
Sun 10/510:05 pmBKK - PWM
3 stops29h 36mAmerican Airlines
Deal found 9/10$4,960

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Suvarnabhumi 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 September 11, 2025.
Use the filters below to find and compare flights from Portland to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Portland

Fly to

Suvarnabhumi

Route

Depart

Return

Price

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 9/28

3:28 pm-3:10 pm

2 stops36h 42m

Bangkok Suvarnabhumi

Sun 10/5

10:05 pm-11:04 pm

2 stops35h 59m

$998

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

9:40 am-11:25 am

3 stops37h 45m

Bangkok Suvarnabhumi

Mon 2/16

4:55 pm-10:44 am

3 stops29h 49m

$1,073

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 9/24

6:00 am-11:25 pm

2 stops30h 25m

Bangkok Suvarnabhumi

Sun 9/28

9:40 pm-12:11 am

2 stops37h 31m

$1,079

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

3:12 pm-11:25 am

3 stops32h 13m

Bangkok Suvarnabhumi

Sun 2/15

4:55 pm-10:44 am

3 stops29h 49m

$1,113

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 10/29

6:00 am-11:25 am

3 stops42h 25m

$618

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 10/29

6:00 am-1:25 pm

2 stops44h 25m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Portland to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi 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 Bangkok Suvarnabhumi Airport

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Bangkok Suvarnabhumi Airport (average of $908). Flying from Portland, Maine to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). 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 BKK?

Find hourly flight availability from Portland to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Bangkok Suvarnabhumi Airport in the morning. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines from Portland to Bangkok Suvarnabhumi Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

Related info for your journey

Find useful and relevant information for your journey from Portland to Suvarnabhumi. 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 Bangkok Suvarnabhumi?

    For a flight from Portland to Bangkok Suvarnabhumi, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Bangkok Suvarnabhumi per day. 1 airline has flights to Bangkok Suvarnabhumi from Portland on a regular basis.

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

    Airlines like United Airlines and Delta fly from Portland, Maine to Bangkok Suvarnabhumi Airport in about 30h 25m. The time it takes to get you to your destination can typically vary by up to 7h 20m. Portland, Maine and Bangkok Suvarnabhumi Airport are separated by a distance of 8429 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Portland, Maine to Bangkok Suvarnabhumi Airport round-trip?

    According to our current data, United Airlines ($1,047), offers the cheapest pricing from Portland, Maine to Bangkok Suvarnabhumi Airport. You may be able to fly from Portland, Maine to Bangkok Suvarnabhumi Airport for 20% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Suvarnabhumi 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 Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Bangkok Suvarnabhumi Airport (average of $908). Flying from Portland, Maine to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Suvarnabhumi flights
Boston to Don Mueang Intl flights
Bangor to Suvarnabhumi flights

Top airline flying from Portland to Suvarnabhumi

Discover the top airline that operate flights from Portland to Suvarnabhumi. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,047Average$1,274FlexibilityNo cancel feeOn-time69%

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