Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Bangkok from $927

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Bangkok departing on 1/27. 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.
Korean Air Logo
6:17 am - 11:20 pm
PWM
-
BKK
29h 03m2 stops
Korean Air Logo
9:30 pm - 12:20 am
BKK
-
PWM
38h 50m2 stops
$927Korean Air
Tue, Jan 27 - Tue, Feb 3
Korean Air Logo
6:16 am - 12:55 am
PWM
-
BKK
30h 39m2 stops
Korean Air Logo
9:30 pm - 12:20 am
BKK
-
PWM
38h 50m2 stops
$1,033Korean Air
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
3:12 pm - 11:25 am
PWM
-
BKK
32h 13m3 stops
United Airlines Logo
4:55 pm - 2:39 pm
BKK
-
PWM
33h 44m3 stops
$1,049United Airlines
Mon, Jan 26 - Mon, Feb 2
United Airlines Logo
6:00 am - 12:20 am
PWM
-
BKK
30h 20m2 stops
United Airlines Logo
4:55 pm - 2:31 pm
BKK
-
PWM
33h 36m3 stops
$1,052United Airlines
Mon, Jan 26 - Mon, Feb 2
United Airlines Logo
11:12 am - 11:25 am
PWM
-
BKK
36h 13m3 stops
United Airlines Logo
4:55 pm - 2:39 pm
BKK
-
PWM
57h 44m3 stops
$1,064United Airlines
Tue, Jan 27 - Tue, Feb 3
United Airlines Logo
6:00 am - 12:20 am
PWM
-
BKK
30h 20m2 stops
United Airlines Logo
4:55 pm - 2:39 pm
BKK
-
PWM
57h 44m3 stops
$1,068United Airlines
Tue, Jan 27 - Tue, Feb 3
Korean Air Logo
2:35 pm - 12:45 am
PWM
-
BKK
46h 10m2 stops
Korean Air Logo
9:30 pm - 12:20 am
BKK
-
PWM
38h 50m2 stops
$1,073Korean Air
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
6:00 am - 5:10 am
PWM
-
BKK
35h 10m2 stops
United Airlines Logo
9:10 am - 2:39 pm
BKK
-
PWM
41h 29m2 stops
$1,083United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
3:12 pm - 11:25 am
PWM
-
BKK
32h 13m3 stops
United Airlines Logo
9:10 am - 2:39 pm
BKK
-
PWM
41h 29m2 stops
$1,087United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
2:31 pm - 11:25 am
PWM
-
BKK
32h 54m3 stops
United Airlines Logo
4:55 pm - 2:39 pm
BKK
-
PWM
33h 44m3 stops
$1,098United Airlines
Thu, Jan 22 - Mon, Jan 26

Korean Air flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Our best Korean Air deals on Portland, Maine to Bangkok Suvarnabhumi Airport flight tickets
Korean Air
Jan 27
PWM6:17 amPortland
29h 03m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
Feb 3
BKK9:30 pmBangkok Suvarnabhumi
38h 50m
2 stops
PWM12:20 amPortland
$927
Find similar
Korean Air
Jan 22
PWM6:16 amPortland
30h 39m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Jan 26
BKK9:30 pmBangkok Suvarnabhumi
38h 50m
2 stops
PWM12:20 amPortland
$1,033
Find similar
Korean Air
Jan 22
PWM2:35 pmPortland
46h 10m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Jan 26
BKK9:30 pmBangkok Suvarnabhumi
38h 50m
2 stops
PWM12:20 amPortland
$1,073
Find similar

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
Jan 26
PWM3:12 pmPortland
32h 13m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Feb 2
BKK4:55 pmBangkok Suvarnabhumi
33h 44m
3 stops
PWM2:39 pmPortland
$1,049
Find similar
United Airlines
Jan 26
PWM6:00 amPortland
30h 20m
2 stops
BKK12:20 amBangkok Suvarnabhumi
Feb 2
BKK4:55 pmBangkok Suvarnabhumi
33h 36m
3 stops
PWM2:31 pmPortland
$1,052
Find similar
United Airlines
Jan 27
PWM11:12 amPortland
36h 13m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Feb 3
BKK4:55 pmBangkok Suvarnabhumi
57h 44m
3 stops
PWM2:39 pmPortland
$1,064
Find similar

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 December 14, 2025.
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 1/27

6:17 am-11:20 pm

2 stops29h 03m

Bangkok Suvarnabhumi

Tue 2/3

9:30 pm-12:20 am

2 stops38h 50m

$927

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 1/22

6:16 am-12:55 am

2 stops30h 39m

Bangkok Suvarnabhumi

Mon 1/26

9:30 pm-12:20 am

2 stops38h 50m

$1,033

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 1/26

3:12 pm-11:25 am

3 stops32h 13m

Bangkok Suvarnabhumi

Mon 2/2

4:55 pm-2:39 pm

3 stops33h 44m

$1,049

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 1/26

6:00 am-12:20 am

2 stops30h 20m

Bangkok Suvarnabhumi

Mon 2/2

4:55 pm-2:31 pm

3 stops33h 36m

$1,052

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 1/27

11:12 am-11:25 am

3 stops36h 13m

Bangkok Suvarnabhumi

Tue 2/3

4:55 pm-2:39 pm

3 stops57h 44m

$1,064

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Tue 1/27

6:00 am-12:20 am

2 stops30h 20m

Bangkok Suvarnabhumi

Tue 2/3

4:55 pm-2:39 pm

3 stops57h 44m

$1,068

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 1/22

2:35 pm-12:45 am

2 stops46h 10m

Bangkok Suvarnabhumi

Mon 1/26

9:30 pm-12:20 am

2 stops38h 50m

$1,073

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 1/22

6:00 am-5:10 am

2 stops35h 10m

Bangkok Suvarnabhumi

Mon 1/26

9:10 am-2:39 pm

2 stops41h 29m

$1,083

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 1/22

3:12 pm-11:25 am

3 stops32h 13m

Bangkok Suvarnabhumi

Mon 1/26

9:10 am-2:39 pm

2 stops41h 29m

$1,087

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 1/22

2:31 pm-11:25 am

3 stops32h 54m

Bangkok Suvarnabhumi

Mon 1/26

4:55 pm-2:39 pm

3 stops33h 44m

$1,098

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Sunday when prices can be found for as low as $1,031. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,192.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the morning. Flights from Portland, Maine to Bangkok Suvarnabhumi Airport during this time can be as low as $1,089. In the afternoon is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,232 per ticket.

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 39m

Direct flights

None
The fastest flight from Portland, Maine to Bangkok Suvarnabhumi Airport takes 30h 39m
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. 30h 39m 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
9,094 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
Ko Lan
Chonburi
Ayutthaya
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
Tue 1/13
Tue 1/20
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 $799