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$676+ Cheap flights from Portland, ME (PWM) to Bangkok

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BKK
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Portland to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Bangkok (TH1). 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 April 1, 2025.

Round-trip from

$1,248
(oojo)

One-way from

$676
(FlightHub)
From Portland to Bangkok
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One-way flight from Portland to Bangkok
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Find flight deals from Portland to Bangkok

Cheapest flights from Portland to Bangkok
Explore the most affordable flight options available from Portland to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This oojo deal was found by Cheapflights users on 3/31. 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.
Thu 5/83:35 pmPWM - BKK
2 stops36h 50mTurkish Airlines
Mon 5/1210:45 pmBKK - PWM
2 stops26h 55mTurkish Airlines
Deal found 3/31$1,248
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/95:35 pmPWM - BKK
2 stops38h 00mEtihad Airways
Tue 5/68:55 pmBKK - PWM
2 stops52h 45mEtihad Airways
Deal found 3/31$1,258
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:30 pmPWM - BKK
2 stops33h 00mKLM
Thu 5/2212:05 pmBKK - PWM
2 stops46h 54mKLM
Deal found 3/31$1,517
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/83:35 pmPWM - BKK
3 stops32h 25mSingapore Airlines
Mon 5/129:40 amBKK - PWM
3 stops48h 20mSingapore Airlines
Deal found 3/31$1,644
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:12 amPWM - BKK
2 stops37h 08mQatar Airways
Sun 5/112:30 amBKK - PWM
2 stops47h 10mQatar Airways
Deal found 3/31$1,668
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:12 amPWM - BKK
2 stops35h 03mMultiple Airlines
Wed 5/212:30 amBKK - PWM
2 stops47h 42mMultiple Airlines
Deal found 3/31$1,724
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 5/156:13 amPWM - BKK
2 stops35h 22mUnited Airlines
Thu 5/229:35 amBKK - PWM
2 stops44h 42mUnited Airlines
Deal found 3/30$2,336
This Emirates deal was found by Cheapflights users on 3/30. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/154:20 pmPWM - BKK
2 stops33h 40mEmirates
Wed 5/211:15 amBKK - PWM
2 stops31h 41mEmirates
Deal found 3/30$5,950

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Bangkok 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 April 1, 2025.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.

Fly from

Portland

Fly to

Bangkok

Route

Depart

Return

Price

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/8

3:35 pm-3:25 pm

2 stops36h 50m

Bangkok Suvarnabhumi

Mon 5/12

10:45 pm-2:40 pm

2 stops26h 55m

$1,248

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/15

1:30 pm-9:30 am

2 stops33h 00m

Bangkok Suvarnabhumi

Thu 5/22

12:05 pm-11:59 pm

2 stops46h 54m

$1,517

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/8

3:35 pm-11:00 am

3 stops32h 25m

Bangkok Suvarnabhumi

Mon 5/12

9:40 am-11:00 pm

3 stops48h 20m

$1,644

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/8

7:12 am-7:20 am

2 stops37h 08m

Bangkok Suvarnabhumi

Sun 5/11

2:30 am-2:40 pm

2 stops47h 10m

$1,668

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/15

7:12 am-5:15 am

2 stops35h 03m

Bangkok Suvarnabhumi

Wed 5/21

2:30 am-3:12 pm

2 stops47h 42m

$1,724

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/15

6:13 am-4:35 am

2 stops35h 22m

Bangkok Suvarnabhumi

Thu 5/22

9:35 am-7:17 pm

2 stops44h 42m

$2,336

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 5/15

4:20 pm-1:00 pm

2 stops33h 40m

Bangkok Suvarnabhumi

Wed 5/21

1:15 am-9:56 pm

2 stops31h 41m

$5,950

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 7/8

6:10 am-3:10 pm

2 stops46h 00m

$676

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 7/8

5:43 pm-2:50 pm

3 stops58h 07m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Portland to Bangkok

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

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

Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Bangkok (average of $958). Flying from Portland, Maine to Bangkok in December is currently the most expensive (average of $1,574). 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 Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Bangkok 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.

Rainfall in Bangkok by month

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

In terms of precipitation, rainfall in Bangkok ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Bangkok when rainfall is around 0.4 in.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated April 1, 2025.
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very good
1,286 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,192 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
KLM
7.8
Good
1,323 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qatar Airways
7.4
Good
3,541 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

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

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly out of when you book flights from Portland to Bangkok. 2 airlines have flights from Portland to Bangkok on a regular basis. Booking flights from Portland to Bangkok should not be difficult; the airport handles an average of 0 outbound flights to Bangkok per day.

  • What are the cheapest airlines flying from Portland, Maine to Bangkok round-trip?

    According to our current data, Turkish Airlines ($1,248), KLM ($1,517), and Singapore Airlines ($1,644) offers the cheapest pricing from Portland, Maine to Bangkok.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Bangkok 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?

    Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Bangkok (average of $958). Flying from Portland, Maine to Bangkok in December is currently the most expensive (average of $1,574). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Portland to Bangkok

Discover the top 2 airlines that operate flights from Portland to Bangkok. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,197Average$1,345FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,254Average$1,485FlexibilityNo cancel feeOn-timeN/A

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