How long does it take to fly to Portland, Maine?

The flight from Thailand to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Bangkok (a popular airport in Thailand) to Boston (the most popular airport in Portland, Maine), then the flight time is 20h 55m on average. If you fly from Chiang Mai (another popular airport in Thailand) to Boston, then the average flight time is 40h 10m.

When did momondo last update prices for flights from Thailand to Portland Airport?

Prices for flights from Thailand to Portland Airport refresh daily.

How old do you have to be to fly from Thailand to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,446 Cheap Flights from Thailand to Portland in 2025/26

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0 bags

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4:55 pm - 10:18 pmBKK-PWM

40h 23m3 stops

6:00 am - 11:25 amPWM-BKK

42h 25m3 stops

$1,446United Airlines

Find Deal

Thu, Mar 19 - Mon, Mar 23

8:15 am - 12:19 pmBKK-PWM

39h 04m2 stops

12:49 pm - 1:05 pmPWM-BKK

37h 16m2 stops

$1,556Qatar Airways

Find Deal

Thu, Mar 19 - Mon, Mar 23

9:10 am - 10:51 pmBKK-PWM

24h 41m2 stops

2:32 pm - 11:25 amPWM-BKK

33h 53m3 stops

$1,654United Airlines

Find Deal

Thu, Mar 19 - Mon, Mar 23

12:55 am - 4:10 pmBKK-PWM

26h 15m2 stops

5:30 am - 11:20 pmPWM-BKK

30h 50m2 stops

$1,707Delta

Find Deal

Wed, Mar 18 - Mon, Mar 23

12:55 am - 4:10 pmBKK-PWM

26h 15m2 stops

5:30 am - 11:20 pmPWM-BKK

30h 50m2 stops

$1,708Delta

Find Deal

Wed, Mar 18 - Mon, Mar 23

4:55 pm - 10:49 amBKK-PWM

28h 54m3 stops

11:30 am - 11:25 amPWM-BKK

36h 55m3 stops

$2,055United Airlines

Find Deal

Thu, Mar 19 - Mon, Mar 23

Delta flights from Thailand to Portland, Maine

Our best Delta deals on Thailand to Portland, Maine flight tickets

Delta

Mar 18

BKK12:55 amBangkok Suvarnabhumi

26h 15m

2 stops

PWM4:10 pmPortland

Mar 23

PWM5:30 amPortland

30h 50m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

$1,707

Find similar

Delta

Mar 18

BKK12:55 amBangkok Suvarnabhumi

26h 15m

2 stops

PWM4:10 pmPortland

Mar 23

PWM5:30 amPortland

30h 50m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

$1,708

Find similar

Delta

Dec 3

BKK12:55 amBangkok Suvarnabhumi

35h 04m

2 stops

PWM11:59 pmPortland

Dec 24

PWM5:45 amPortland

31h 10m

2 stops

BKK12:55 amBangkok Suvarnabhumi

$2,549

Find similar

United Airlines flights from Thailand to Portland, Maine

Our best United Airlines deals on Thailand to Portland, Maine flight tickets

United Airlines

Mar 19

BKK4:55 pmBangkok Suvarnabhumi

40h 23m

3 stops

PWM10:18 pmPortland

Mar 23

PWM6:00 amPortland

42h 25m

3 stops

BKK11:25 amBangkok Suvarnabhumi

$1,446

Find similar

United Airlines

Mar 19

BKK9:10 amBangkok Suvarnabhumi

24h 41m

2 stops

PWM10:51 pmPortland

Mar 23

PWM2:32 pmPortland

33h 53m

3 stops

BKK11:25 amBangkok Suvarnabhumi

$1,654

Find similar

United Airlines

Mar 19

BKK4:55 pmBangkok Suvarnabhumi

28h 54m

3 stops

PWM10:49 amPortland

Mar 23

PWM11:30 amPortland

36h 55m

3 stops

BKK11:25 amBangkok Suvarnabhumi

$2,055

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 3/19

4:55 pm-10:18 pm

3 stops40h 23m

Portland

Mon 3/23

6:00 am-11:25 am

3 stops42h 25m

$1,446

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 3/19

8:15 am-12:19 pm

2 stops39h 04m

Portland

Mon 3/23

12:49 pm-1:05 pm

2 stops37h 16m

$1,556

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 3/19

9:10 am-10:51 pm

2 stops24h 41m

Portland

Mon 3/23

2:32 pm-11:25 am

3 stops33h 53m

$1,654

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 3/18

12:55 am-4:10 pm

2 stops26h 15m

Portland

Mon 3/23

5:30 am-11:20 pm

2 stops30h 50m

$1,707

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 3/18

12:55 am-4:10 pm

2 stops26h 15m

Portland

Mon 3/23

5:30 am-11:20 pm

2 stops30h 50m

$1,708

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 3/19

4:55 pm-10:49 am

3 stops28h 54m

Portland

Mon 3/23

11:30 am-11:25 am

3 stops36h 55m

$2,055

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Thailand to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Airlines

Other information

What airlines fly to Portland, Maine?

Japan Airlines, Cathay Pacific and Emirates are the top three most popular airlines that fly to Portland, Maine from Thailand according to our data. Japan Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 5 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

Cheap Thailand to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Portland, Maine

Fastest flight time	34h 08m
Direct flights	None

The fastest flight from Thailand to Portland, Maine takes 34h 08m

There are no direct flights from Thailand to Portland, Maine. There are no popular flight routes from Thailand to Portland, Maine.

Search flight deals

When did momondo last update prices for flights from Thailand to Portland Airport?
Prices for flights from Thailand to Portland Airport refresh daily.
How old do you have to be to fly from Thailand to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Brunswick

Auburn

Gorham

Windham

Intervale

Oxford

Bath

Georgetown

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Portland?

Finding the right flight to Portland from Thailand is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

Can I find flights from Thailand to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Thailand on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Thailand to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Thailand.

I’m not ready to book a flight from Thailand to Portland right now. Can momondo alert me if prices change?

Price alerts on flights to Portland from Thailand are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.