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Cheap flights from Portland, Maine to Bangkok from $617

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Bangkok departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland, Maine to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
6:00 am - 11:55 pmPWM  Portland-BKK Bangkok Suvarnabhumi
30h 55m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
3:15 am - 11:52 pmBKK  Bangkok Suvarnabhumi-PWM Portland
31h 37m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,007Etihad Airways
Mon, Oct 19 - Thu, Oct 22
Etihad Airways Logo
6:00 am - 11:55 pmPWM  Portland-BKK Bangkok Suvarnabhumi
30h 55m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
3:15 am - 11:52 pmBKK  Bangkok Suvarnabhumi-PWM Portland
31h 37m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,015Etihad Airways
Sun, Oct 18 - Thu, Oct 22
Etihad Airways Logo
6:00 am - 12:10 pmPWM  Portland-BKK Bangkok Suvarnabhumi
43h 10m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
9:15 am - 11:52 pmBKK  Bangkok Suvarnabhumi-PWM Portland
49h 37m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,038Etihad Airways
Fri, Oct 16 - Wed, Oct 21
Etihad Airways Logo
6:00 am - 11:55 pmPWM  Portland-BKK Bangkok Suvarnabhumi
30h 55m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
8:50 pm - 11:43 pmBKK  Bangkok Suvarnabhumi-PWM Portland
37h 53m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,044Etihad Airways
Fri, Oct 16 - Mon, Oct 26
Etihad Airways Logo
6:00 am - 11:55 pmPWM  Portland-BKK Bangkok Suvarnabhumi
30h 55m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
3:15 am - 11:52 pmBKK  Bangkok Suvarnabhumi-PWM Portland
31h 37m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,175Etihad Airways
Fri, Oct 16 - Mon, Oct 19
Multiple Airlines Logo
7:05 am - 11:55 pmPWM  Portland-BKK Bangkok Suvarnabhumi
29h 50m2 stops Charlotte Douglas Abu Dhabi Zayed Intl
Multiple Airlines Logo
9:00 pm - 11:47 pmBKK  Bangkok Suvarnabhumi-PWM Portland
37h 47m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl
$1,240Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
5:08 pm - 9:35 amPWM  Portland-BKK Bangkok Suvarnabhumi
29h 27m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
United Airlines Logo
9:35 am - 7:24 pmBKK  Bangkok Suvarnabhumi-PWM Portland
44h 49m2 stops Tokyo Haneda Washington, D.C. Dulles Intl
$1,387United Airlines
Thu, Sep 24 - Thu, Oct 1
United Airlines Logo
8:26 am - 9:35 amPWM  Portland-BKK Bangkok Suvarnabhumi
38h 09m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
United Airlines Logo
7:00 am - 11:32 pmBKK  Bangkok Suvarnabhumi-PWM Portland
27h 32m2 stops Tokyo Narita Newark
$1,389United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
4:57 pm - 9:35 amPWM  Portland-BKK Bangkok Suvarnabhumi
29h 38m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
United Airlines Logo
3:45 pm - 10:04 amBKK  Bangkok Suvarnabhumi-PWM Portland
29h 19m3 stops Hong Kong Intl Los Angeles Washington, D.C. Dulles Intl
$1,397United Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
5:41 am - 11:45 amPWM  Portland-BKK Bangkok Suvarnabhumi
42h 04m2 stops Charlotte Douglas Abu Dhabi Zayed Intl
Multiple Airlines Logo
7:55 pm - 11:05 pmBKK  Bangkok Suvarnabhumi-PWM Portland
39h 10m2 stops Abu Dhabi Zayed Intl Charlotte Douglas
$1,581Multiple Airlines
Wed, Dec 23 - Sun, Jan 3

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United Airlines flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Our best United Airlines deals on Portland, Maine to Bangkok Suvarnabhumi Airport flight tickets
United Airlines
Sep 24
PWM5:08 pmPortland
29h 27m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Oct 1
BKK9:35 amBangkok Suvarnabhumi
44h 49m
2 stops
PWM7:24 pmPortland
$1,387
United Airlines
Sep 8
PWM8:26 amPortland
38h 09m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Sep 15
BKK7:00 amBangkok Suvarnabhumi
27h 32m
2 stops
PWM11:32 pmPortland
$1,389
United Airlines
Sep 8
PWM4:57 pmPortland
29h 38m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Sep 15
BKK3:45 pmBangkok Suvarnabhumi
29h 19m
3 stops
PWM10:04 amPortland
$1,397

Etihad Airways flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Our best Etihad Airways deals on Portland, Maine to Bangkok Suvarnabhumi Airport flight tickets
Etihad Airways
Oct 19
PWM6:00 amPortland
30h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
Oct 22
BKK3:15 amBangkok Suvarnabhumi
31h 37m
2 stops
PWM11:52 pmPortland
$1,007
Etihad Airways
Oct 18
PWM6:00 amPortland
30h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
Oct 22
BKK3:15 amBangkok Suvarnabhumi
31h 37m
2 stops
PWM11:52 pmPortland
$1,015
Etihad Airways
Oct 16
PWM6:00 amPortland
43h 10m
2 stops
BKK12:10 pmBangkok Suvarnabhumi
Oct 21
BKK9:15 amBangkok Suvarnabhumi
49h 37m
2 stops
PWM11:52 pmPortland
$1,038

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Bangkok Suvarnabhumi Airport 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Portland, Maine to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Mon 10/19

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Thu 10/22

3:15 am-11:52 pm

2 stops31h 37m

$1,007

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Sun 10/18

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Thu 10/22

3:15 am-11:52 pm

2 stops31h 37m

$1,015

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Fri 10/16

6:00 am-12:10 pm

2 stops43h 10m

Bangkok Suvarnabhumi

Wed 10/21

9:15 am-11:52 pm

2 stops49h 37m

$1,038

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Fri 10/16

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Mon 10/26

8:50 pm-11:43 pm

2 stops37h 53m

$1,044

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Fri 10/16

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Mon 10/19

3:15 am-11:52 pm

2 stops31h 37m

$1,175

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Tue 9/8

7:05 am-11:55 pm

2 stops29h 50m

Bangkok Suvarnabhumi

Tue 9/15

9:00 pm-11:47 pm

2 stops37h 47m

$1,240

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Thu 9/24

5:08 pm-9:35 am

3 stops29h 27m

Bangkok Suvarnabhumi

Thu 10/1

9:35 am-7:24 pm

2 stops44h 49m

$1,387

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Tue 9/8

8:26 am-9:35 am

3 stops38h 09m

Bangkok Suvarnabhumi

Tue 9/15

7:00 am-11:32 pm

2 stops27h 32m

$1,389
Quickest round-trip

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Tue 9/8

4:57 pm-9:35 am

3 stops29h 38m

Bangkok Suvarnabhumi

Tue 9/15

3:45 pm-10:04 am

3 stops29h 19m

$1,397

PortlandBangkok

PWM Portland - BKK Bangkok Suvarnabhumi

PWMBKK

Portland

Wed 12/23

5:41 am-11:45 am

2 stops42h 04m

Bangkok Suvarnabhumi

Sun 1/3

7:55 pm-11:05 pm

2 stops39h 10m

$1,581

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from Portland, Maine to Bangkok Suvarnabhumi Airport

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

What is the cheapest airline that flies from Portland to Bangkok Suvarnabhumi?

Japan Airlines and United Airlines are the most popular carriers operating from Portland to Bangkok Suvarnabhumi

What airlines fly to Bangkok Suvarnabhumi Airport?

Cathay Pacific, Etihad Airways and Delta are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Portland, Maine according to our data. Cathay Pacific is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 16 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Bangkok Suvarnabhumi Airport (PWM to BKK) flight deals and tips

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

Fastest flight time

30h 00m

Direct flights

None
The fastest flight from Portland, Maine to Bangkok Suvarnabhumi Airport takes 30h 00m
There are no direct flights from Portland, Maine to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Portland, Maine to Bangkok Suvarnabhumi Airport.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Bangkok Suvarnabhumi Airport

  • How far is Portland to Bangkok Suvarnabhumi by plane?

    A flight from Portland to Bangkok Suvarnabhumi will travel around 8427.6 mi. 30h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Bangkok Suvarnabhumi Airport?

    Prices for flights from Portland Airport to Bangkok Suvarnabhumi Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to Bangkok Suvarnabhumi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents required for your trip to Bangkok Suvarnabhumi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok Suvarnabhumi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Bangkok?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Bangkok for you.

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

Yes. momondo enables you to select and highlight flights to Bangkok from Portland with this policy.

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

momondo provides multiple filters to help you find the best flight to Bangkok from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bangkok from Portland 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.

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