Cheap flights from Portland, Maine to Thailand from $549

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 Thailand departing on 8/30. 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

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.

Find the cheapest flights from Portland, Maine to Thailand

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
6:00 am - 6:30 am
PWM
-
BKK
37h 30m
2 stops
Etihad Airways Logo
3:55 pm - 11:36 pm
BKK
-
PWM
42h 41m
2 stops
$978Etihad Airways
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
6:00 am - 11:50 pm
PWM
-
BKK
30h 50m
2 stops
Multiple Airlines Logo
9:00 pm - 10:46 pm
BKK
-
PWM
36h 46m
2 stops
$1,036Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
Multiple Airlines Logo
7:10 am - 6:45 am
PWM
-
BKK
36h 35m
2 stops
Multiple Airlines Logo
3:55 pm - 12:13 am
BKK
-
PWM
43h 18m
2 stops
$1,074Multiple Airlines
Wed, Apr 8 - Mon, May 4
Etihad Airways Logo
6:00 am - 6:15 am
PWM
-
BKK
37h 15m
2 stops
Etihad Airways Logo
9:15 am - 11:57 pm
BKK
-
PWM
49h 42m
2 stops
$1,157Etihad Airways
Wed, Aug 5 - Tue, Aug 11
Etihad Airways Logo
7:09 am - 11:40 pm
PWM
-
HKT
29h 31m
2 stops
Etihad Airways Logo
2:25 am - 10:07 pm
HKT
-
PWM
30h 42m
2 stops
$1,179Etihad Airways
Thu, Sep 10 - Sun, Sep 13
United Airlines Logo
6:04 am - 9:35 am
PWM
-
BKK
40h 31m
3 stops
United Airlines Logo
3:45 pm - 10:18 am
BKK
-
PWM
29h 33m
3 stops
$1,200United Airlines
Wed, Apr 29 - Wed, May 6
United Airlines Logo
6:00 am - 11:55 pm
PWM
-
BKK
30h 55m
2 stops
United Airlines Logo
9:35 am - 11:59 pm
BKK
-
PWM
49h 24m
2 stops
$1,339United Airlines
Fri, Sep 11 - Tue, Sep 15
Air India Logo
6:00 am - 7:25 am
PWM
-
HKT
38h 25m
2 stops
Air India Logo
8:45 pm - 1:29 pm
HKT
-
PWM
27h 44m
2 stops
$1,965Air India
Mon, Jun 29 - Sat, Jul 4
Singapore Airlines Logo
2:17 pm - 8:35 am
PWM
-
HKT
31h 18m
3 stops
Singapore Airlines Logo
3:00 pm - 10:07 pm
HKT
-
PWM
42h 07m
3 stops
$2,091Singapore Airlines
Thu, Sep 10 - Mon, Sep 14
Singapore Airlines Logo
2:17 pm - 10:50 am
PWM
-
HKT
33h 33m
2 stops
Singapore Airlines Logo
6:00 pm - 10:07 pm
HKT
-
PWM
39h 07m
3 stops
$2,340Singapore Airlines
Thu, Sep 10 - Mon, Sep 14

Turkish Airlines flights from Portland, Maine to Thailand

Our best Turkish Airlines deals on Portland, Maine to Thailand flight tickets
Turkish Airlines
May 19
PWM6:00 amPortland
43h 05m
2 stops
BKK12:05 pmBangkok Suvarnabhumi
May 29
BKK6:45 amBangkok Suvarnabhumi
52h 11m
2 stops
PWM11:56 pmPortland
$6,164
Turkish Airlines
May 19
PWM6:00 amPortland
40h 45m
2 stops
BKK9:45 amBangkok Suvarnabhumi
May 29
BKK11:15 amBangkok Suvarnabhumi
47h 41m
2 stops
PWM11:56 pmPortland
$6,597
Turkish Airlines
May 19
PWM6:00 amPortland
43h 05m
2 stops
BKK12:05 pmBangkok Suvarnabhumi
May 29
BKK6:45 amBangkok Suvarnabhumi
52h 11m
2 stops
PWM11:56 pmPortland
$6,794

United Airlines flights from Portland, Maine to Thailand

Our best United Airlines deals on Portland, Maine to Thailand flight tickets
United Airlines
Apr 29
PWM6:04 amPortland
40h 31m
3 stops
BKK9:35 amBangkok Suvarnabhumi
May 6
BKK3:45 pmBangkok Suvarnabhumi
29h 33m
3 stops
PWM10:18 amPortland
$1,200
United Airlines
Sep 11
PWM6:00 amPortland
30h 55m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
Sep 15
BKK9:35 amBangkok Suvarnabhumi
49h 24m
2 stops
PWM11:59 pmPortland
$1,339
United Airlines
Sep 11
PWM10:04 amPortland
36h 31m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Sep 15
BKK9:35 amBangkok Suvarnabhumi
47h 26m
2 stops
PWM10:01 pmPortland
$1,341

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Thailand 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 20, 2026.
Use the filters below to find and compare flights from Portland, Maine to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 5/4

6:00 am-6:30 am

2 stops37h 30m

Bangkok Suvarnabhumi

Mon 5/11

3:55 pm-11:36 pm

2 stops42h 41m

$978

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/1

6:00 am-11:50 pm

2 stops30h 50m

Bangkok Suvarnabhumi

Thu 4/30

9:00 pm-10:46 pm

2 stops36h 46m

$1,036

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/8

7:10 am-6:45 am

2 stops36h 35m

Bangkok Suvarnabhumi

Mon 5/4

3:55 pm-12:13 am

2 stops43h 18m

$1,074

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 8/5

6:00 am-6:15 am

2 stops37h 15m

Bangkok Suvarnabhumi

Tue 8/11

9:15 am-11:57 pm

2 stops49h 42m

$1,157
Quickest round-trip

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/10

7:09 am-11:40 pm

2 stops29h 31m

Phuket City

Sun 9/13

2:25 am-10:07 pm

2 stops30h 42m

$1,179

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 4/29

6:04 am-9:35 am

3 stops40h 31m

Bangkok Suvarnabhumi

Wed 5/6

3:45 pm-10:18 am

3 stops29h 33m

$1,200

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 9/11

6:00 am-11:55 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Tue 9/15

9:35 am-11:59 pm

2 stops49h 24m

$1,339

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Mon 6/29

6:00 am-7:25 am

2 stops38h 25m

Phuket City

Sat 7/4

8:45 pm-1:29 pm

2 stops27h 44m

$1,965

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/10

2:17 pm-8:35 am

3 stops31h 18m

Phuket City

Mon 9/14

3:00 pm-10:07 pm

3 stops42h 07m

$2,091

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/10

2:17 pm-10:50 am

2 stops33h 33m

Phuket City

Mon 9/14

6:00 pm-10:07 pm

3 stops39h 07m

$2,340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Thailand from

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

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 Thailand?

Etihad Airways and United Airlines are the most popular carriers operating from Portland to Thailand

What airlines fly to Thailand?

Cathay Pacific, Etihad Airways and Korean Air are the top three most popular airlines that fly to Thailand from Portland, Maine according to our data. Cathay Pacific is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 16 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Cheap Portland, Maine to Thailand flight deals and tips

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

Fastest flight time

29h 31m

Direct flights

None
The fastest flight from Portland, Maine to Thailand takes 29h 31m
There are no direct flights from Portland, Maine to Thailand. There are no popular flight routes from Portland, Maine to Thailand.
  • When did momondo last update prices for flights from Portland Airport to Thailand?

    Prices for flights from Portland Airport to Thailand refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Thailand?

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

    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 Portland Airport to Thailand.

  • What documentation or ID do you need to fly to Thailand?

    The travel and health documents you'll need for your trip to Thailand may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland, Maine to Thailand

Compare and see reviews for airlines that fly from Portland, Maine to Thailand with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,047Free CancellationRating
7.4
9,450 reviews
Search United Airlines flights

Why use momondo?

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

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 Thailand for you.

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

momondo does allow users to show only those flights to Thailand from Portland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Thailand.

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

Yes. momondo can track prices for Portland to Thailand flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Thailand 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 4/19
Sun 4/26

Find better results for your trip to Thailand

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo