Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Bangkok from $610

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 3/23. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:04 am - 9:35 am
PWM
-
BKK
40h 31m
3 stops
United Airlines Logo
3:45 pm - 9:40 pm
BKK
-
PWM
40h 55m
3 stops
$1,100United Airlines
Tue, Apr 14 - Tue, Apr 21
ANA Logo
7:50 pm - 9:35 am
PWM
-
BKK
50h 45m
2 stops
ANA Logo
7:00 am - 11:29 pm
BKK
-
PWM
27h 29m
2 stops
$1,207ANA
Thu, Apr 30 - Thu, May 7
United Airlines Logo
9:00 am - 9:35 am
PWM
-
BKK
37h 35m
3 stops
United Airlines Logo
3:45 pm - 2:14 pm
BKK
-
PWM
33h 29m
3 stops
$1,225United Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
6:00 am - 7:20 pm
PWM
-
BKK
26h 20m
2 stops
Multiple Airlines Logo
8:20 pm - 11:58 pm
BKK
-
PWM
38h 38m
2 stops
$1,365Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
6:04 am - 9:35 am
PWM
-
BKK
64h 31m
3 stops
United Airlines Logo
3:45 pm - 2:20 pm
BKK
-
PWM
33h 35m
3 stops
$1,369United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
9:00 am - 11:55 pm
PWM
-
BKK
27h 55m
2 stops
United Airlines Logo
3:45 pm - 10:18 am
BKK
-
PWM
29h 33m
3 stops
$1,379United Airlines
Thu, Apr 30 - Thu, May 7
Delta Logo
2:51 pm - 1:35 pm
PWM
-
BKK
35h 44m
2 stops
Delta Logo
11:30 pm - 11:23 pm
BKK
-
PWM
34h 53m
2 stops
$1,431Delta
Thu, Apr 16 - Thu, Apr 23
United Airlines Logo
6:04 am - 9:35 am
PWM
-
BKK
64h 31m
3 stops
United Airlines Logo
3:45 pm - 9:40 pm
BKK
-
PWM
40h 55m
3 stops
$1,458United Airlines
Thu, Apr 16 - Thu, Apr 23
Delta Logo
2:51 pm - 1:35 pm
PWM
-
BKK
35h 44m
2 stops
Delta Logo
11:30 pm - 11:23 pm
BKK
-
PWM
34h 53m
2 stops
$1,480Delta
Thu, Apr 16 - Thu, Apr 23
United Airlines Logo
2:12 pm - 4:35 am
PWM
-
BKK
51h 23m
2 stops
United Airlines Logo
3:45 pm - 2:20 pm
BKK
-
PWM
33h 35m
3 stops
$1,508United Airlines
Wed, Apr 1 - Wed, Apr 8

Delta flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Our best Delta deals on Portland, Maine to Bangkok Suvarnabhumi Airport flight tickets
Delta
Apr 16
PWM2:51 pmPortland
35h 44m
2 stops
BKK1:35 pmBangkok Suvarnabhumi
Apr 23
BKK11:30 pmBangkok Suvarnabhumi
34h 53m
2 stops
PWM11:23 pmPortland
$1,431
Delta
Apr 16
PWM2:51 pmPortland
35h 44m
2 stops
BKK1:35 pmBangkok Suvarnabhumi
Apr 23
BKK11:30 pmBangkok Suvarnabhumi
34h 53m
2 stops
PWM11:23 pmPortland
$1,480

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
Apr 14
PWM6:04 amPortland
40h 31m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Apr 21
BKK3:45 pmBangkok Suvarnabhumi
40h 55m
3 stops
PWM9:40 pmPortland
$1,100
United Airlines
Mar 8
PWM5:45 amPortland
66h 40m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Mar 12
BKK4:55 pmBangkok Suvarnabhumi
57h 19m
3 stops
PWM3:14 pmPortland
$1,184
United Airlines
Apr 30
PWM9:00 amPortland
37h 35m
3 stops
BKK9:35 amBangkok Suvarnabhumi
May 7
BKK3:45 pmBangkok Suvarnabhumi
33h 29m
3 stops
PWM2:14 pmPortland
$1,225

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 March 4, 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

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 4/14

6:04 am-9:35 am

3 stops40h 31m

Bangkok Suvarnabhumi

Tue 4/21

3:45 pm-9:40 pm

3 stops40h 55m

$1,100

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/30

7:50 pm-9:35 am

2 stops50h 45m

Bangkok Suvarnabhumi

Thu 5/7

7:00 am-11:29 pm

2 stops27h 29m

$1,207

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/30

9:00 am-9:35 am

3 stops37h 35m

Bangkok Suvarnabhumi

Thu 5/7

3:45 pm-2:14 pm

3 stops33h 29m

$1,225

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/1

6:00 am-7:20 pm

2 stops26h 20m

Bangkok Suvarnabhumi

Wed 4/8

8:20 pm-11:58 pm

2 stops38h 38m

$1,365

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/1

6:04 am-9:35 am

3 stops64h 31m

Bangkok Suvarnabhumi

Wed 4/8

3:45 pm-2:20 pm

3 stops33h 35m

$1,369

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/30

9:00 am-11:55 pm

2 stops27h 55m

Bangkok Suvarnabhumi

Thu 5/7

3:45 pm-10:18 am

3 stops29h 33m

$1,379

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/16

2:51 pm-1:35 pm

2 stops35h 44m

Bangkok Suvarnabhumi

Thu 4/23

11:30 pm-11:23 pm

2 stops34h 53m

$1,431

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/16

6:04 am-9:35 am

3 stops64h 31m

Bangkok Suvarnabhumi

Thu 4/23

3:45 pm-9:40 pm

3 stops40h 55m

$1,458

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 4/16

2:51 pm-1:35 pm

2 stops35h 44m

Bangkok Suvarnabhumi

Thu 4/23

11:30 pm-11:23 pm

2 stops34h 53m

$1,480

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/1

2:12 pm-4:35 am

2 stops51h 23m

Bangkok Suvarnabhumi

Wed 4/8

3:45 pm-2:20 pm

3 stops33h 35m

$1,508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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?

Air India is the most popular carrier operating from Portland to Bangkok Suvarnabhumi

What airlines fly to Bangkok Suvarnabhumi Airport?

Cathay Pacific, Etihad Airways and Korean Air 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 32% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 17 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

36h 40m

Direct flights

None
The fastest flight from Portland, Maine to Bangkok Suvarnabhumi Airport takes 36h 40m
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

  • How far is Portland to Bangkok Suvarnabhumi by plane?

    A flight from Portland to Bangkok Suvarnabhumi will travel around 8427.6 mi. 36h 40m 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 many operators does momondo search for flights from Portland Airport to Bangkok Suvarnabhumi Airport?

  • 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.

  • What is the most popular airline from Portland, Maine to Bangkok Suvarnabhumi Airport?

Best airlines flying from Portland, Maine to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Portland, Maine to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,047Free CancellationRating
7.4
9,382 reviews
Search United Airlines flights

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
Ayutthaya
Ko Lan
Chonburi
Pak Chong
Sattahip
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.

An easier way to manage your Bangkok Suvarnabhumi Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/3
Fri 4/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bangkok

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo
Flights to Bangkok Don Mueang Intl Airportfrom $713