Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Bangkok from $536

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 10/21. 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

United Airlines Logo
6:15 am - 4:35 amPWM-BKK
35h 20m2 stops
United Airlines Logo
9:35 am - 7:41 pmBKK-PWM
45h 06m2 stops
$1,084United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
Delta Logo
1:35 pm - 11:25 pmPWM-BKK
46h 50m2 stops
Delta Logo
11:30 pm - 12:11 amBKK-PWM
35h 41m2 stops
$1,108Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
Turkish Airlines Logo
2:17 pm - 5:15 amPWM-BKK
51h 58m2 stops
Turkish Airlines Logo
6:45 am - 1:22 pmBKK-PWM
41h 37m2 stops
$1,123Turkish Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
6:00 am - 12:05 amPWM-BKK
30h 05m2 stops
United Airlines Logo
4:55 pm - 10:04 amBKK-PWM
29h 09m3 stops
$1,165United Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 23
United Airlines Logo
4:54 pm - 10:50 amPWM-BKK
53h 56m3 stops
United Airlines Logo
4:55 pm - 10:04 amBKK-PWM
29h 09m3 stops
$1,169United Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 23
American Airlines Logo
6:15 am - 11:00 pmPWM-BKK
29h 45m2 stops
American Airlines Logo
10:05 pm - 2:56 pmBKK-PWM
27h 51m2 stops
$1,216American Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
Delta Logo
6:00 am - 9:45 pmPWM-BKK
28h 45m2 stops
Delta Logo
2:35 am - 12:11 amBKK-PWM
32h 36m2 stops
$1,263Delta
Find Deal
Wed, Sep 24 - Sat, Sep 27
Logo
5:40 am - 9:30 pmPWM-BKK
27h 50m2 stops
Logo
1:00 am - 11:51 amBKK-PWM
22h 51m2 stops
$1,282
Find Deal
Sat, Nov 22 - Thu, Dec 4
Logo
5:40 am - 9:30 pmPWM-BKK
27h 50m2 stops
Logo
9:40 am - 11:31 pmBKK-PWM
25h 51m2 stops
$1,283
Find Deal
Sat, Nov 22 - Fri, Dec 5
Korean Air Logo
6:00 am - 9:45 pmPWM-BKK
28h 45m2 stops
Korean Air Logo
2:35 am - 12:11 amBKK-PWM
32h 36m2 stops
$1,439Korean Air
Find Deal
Wed, Sep 24 - Sat, Sep 27

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
PWM6:15 amPortland
35h 20m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 28
BKK9:35 amBangkok Suvarnabhumi
45h 06m
2 stops
PWM7:41 pmPortland
$1,084
Find similar
United Airlines
Nov 7
PWM6:00 amPortland
30h 05m
2 stops
BKK12:05 amBangkok Suvarnabhumi
Nov 23
BKK4:55 pmBangkok Suvarnabhumi
29h 09m
3 stops
PWM10:04 amPortland
$1,165
Find similar
United Airlines
Nov 7
PWM4:54 pmPortland
53h 56m
3 stops
BKK10:50 amBangkok Suvarnabhumi
Nov 23
BKK4:55 pmBangkok Suvarnabhumi
29h 09m
3 stops
PWM10:04 amPortland
$1,169
Find similar

Qatar Airways flights from Portland, Maine to Bangkok Suvarnabhumi Airport

Our best Qatar Airways deals on Portland, Maine to Bangkok Suvarnabhumi Airport flight tickets
Qatar Airways
Sep 24
PWM2:30 pmPortland
28h 45m
2 stops
BKK6:15 amBangkok Suvarnabhumi
Sep 27
BKK2:30 amBangkok Suvarnabhumi
30h 37m
2 stops
PWM10:07 pmPortland
$1,604
Find similar
Qatar Airways
Nov 7
PWM3:53 pmPortland
26h 47m
2 stops
BKK6:40 amBangkok Suvarnabhumi
Nov 22
BKK2:00 amBangkok Suvarnabhumi
51h 07m
2 stops
PWM5:07 pmPortland
$1,614
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 July 31, 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

Wed 9/24

6:15 am-4:35 am

2 stops35h 20m

Bangkok Suvarnabhumi

Sun 9/28

9:35 am-7:41 pm

2 stops45h 06m

$1,084

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 9/13

1:35 pm-11:25 pm

2 stops46h 50m

Bangkok Suvarnabhumi

Sat 9/20

11:30 pm-12:11 am

2 stops35h 41m

$1,108

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 9/24

2:17 pm-5:15 am

2 stops51h 58m

Bangkok Suvarnabhumi

Sun 9/28

6:45 am-1:22 pm

2 stops41h 37m

$1,123

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 11/7

6:00 am-12:05 am

2 stops30h 05m

Bangkok Suvarnabhumi

Sun 11/23

4:55 pm-10:04 am

3 stops29h 09m

$1,165

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 11/7

4:54 pm-10:50 am

3 stops53h 56m

Bangkok Suvarnabhumi

Sun 11/23

4:55 pm-10:04 am

3 stops29h 09m

$1,169

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 9/24

6:15 am-11:00 pm

2 stops29h 45m

Bangkok Suvarnabhumi

Sun 9/28

10:05 pm-2:56 pm

2 stops27h 51m

$1,216

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 9/24

6:00 am-9:45 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Sat 9/27

2:35 am-12:11 am

2 stops32h 36m

$1,263

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 11/22

5:40 am-9:30 pm

2 stops27h 50m

Bangkok Suvarnabhumi

Thu 12/4

1:00 am-11:51 am

2 stops22h 51m

$1,282

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 11/22

5:40 am-9:30 pm

2 stops27h 50m

Bangkok Suvarnabhumi

Fri 12/5

9:40 am-11:31 pm

2 stops25h 51m

$1,283

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 9/24

6:00 am-9:45 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Sat 9/27

2:35 am-12:11 am

2 stops32h 36m

$1,439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 Tuesday when prices can be found for as low as $1,345. 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 $1,682.

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 $1,362. In the evening is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,948 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

Best Price Found

$536

Fastest flight time

26h 16m

Direct flights

None
The best one-way flight to Bangkok Suvarnabhumi Airport from Portland, Maine in the past 72 hours is $536. The best round-trip flight deal from Portland, Maine to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $1,084.
The fastest flight from Portland, Maine to Bangkok Suvarnabhumi Airport takes 26h 16m
There are no direct flights from Portland, Maine to Bangkok Suvarnabhumi Airport. Popular non-direct route for this connection is Portland Airport - 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. 26h 47m 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
8,900 reviews
Search United Airlines flights
Korean AirPriceFrom $1,197Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights

Traveling to a place near Bangkok?

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

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 8/5
Tue 8/12
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 $831