Cheap flights from Portland, Maine to Thailand from $1,157

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 Thailand departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 11:25 am
PWM
-
BKK
41h 25m
3 stops
United Airlines Logo
4:55 pm - 6:56 pm
BKK
-
PWM
62h 01m
3 stops
$1,157United Airlines
Sun, Feb 8 - Thu, Feb 12
Multiple Airlines Logo
5:40 pm - 4:25 pm
PWM
-
BKK
58h 45m
2 stops
Multiple Airlines Logo
9:55 am - 5:07 pm
BKK
-
PWM
43h 12m
2 stops
$1,168Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
9:40 am - 11:25 am
PWM
-
BKK
38h 45m
3 stops
United Airlines Logo
4:55 pm - 9:11 pm
BKK
-
PWM
39h 16m
3 stops
$1,181United Airlines
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
5:45 am - 11:25 am
PWM
-
BKK
41h 40m
3 stops
United Airlines Logo
7:10 am - 8:28 pm
BKK
-
PWM
25h 18m
2 stops
$1,192United Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
5:45 am - 11:25 am
PWM
-
BKK
41h 40m
3 stops
United Airlines Logo
4:55 pm - 3:14 pm
BKK
-
PWM
34h 19m
3 stops
$1,200United Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
2:31 pm - 11:25 am
PWM
-
BKK
32h 54m
3 stops
United Airlines Logo
4:55 pm - 3:14 pm
BKK
-
PWM
34h 19m
3 stops
$1,240United Airlines
Sun, Feb 8 - Thu, Feb 12
Korean Air Logo
5:30 am - 12:55 am
PWM
-
BKK
31h 25m
2 stops
Korean Air Logo
2:05 am - 12:18 am
BKK
-
PWM
34h 13m
2 stops
$1,385Korean Air
Sun, Feb 8 - Wed, Feb 11
Korean Air Logo
5:30 am - 12:55 am
PWM
-
BKK
31h 25m
2 stops
Korean Air Logo
2:05 am - 11:06 pm
BKK
-
PWM
33h 01m
2 stops
$1,456Korean Air
Sun, Feb 8 - Wed, Feb 11
Korean Air Logo
2:30 pm - 10:10 pm
PWM
-
HKT
68h 40m
2 stops
Korean Air Logo
11:40 pm - 11:22 pm
HKT
-
PWM
34h 42m
2 stops
$1,642Korean Air
Sat, Mar 21 - Wed, Mar 25
Qatar Airways Logo
12:44 pm - 6:50 am
PWM
-
HKT
31h 06m
2 stops
Qatar Airways Logo
8:20 am - 12:14 pm
HKT
-
PWM
38h 54m
2 stops
$1,859Qatar Airways
Sat, Mar 21 - Wed, Mar 25

United Airlines flights from Portland, Maine to Thailand

Our best United Airlines deals on Portland, Maine to Thailand flight tickets
United Airlines
Feb 8
PWM6:00 amPortland
41h 25m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Feb 12
BKK4:55 pmBangkok Suvarnabhumi
62h 01m
3 stops
PWM6:56 pmPortland
$1,157
United Airlines
Mar 13
PWM9:40 amPortland
38h 45m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Mar 20
BKK4:55 pmBangkok Suvarnabhumi
39h 16m
3 stops
PWM9:11 pmPortland
$1,181
United Airlines
Feb 25
PWM5:45 amPortland
41h 40m
3 stops
BKK11:25 amBangkok Suvarnabhumi
Mar 4
BKK7:10 amBangkok Suvarnabhumi
25h 18m
2 stops
PWM8:28 pmPortland
$1,192

Korean Air flights from Portland, Maine to Thailand

Our best Korean Air deals on Portland, Maine to Thailand flight tickets
Korean Air
Feb 8
PWM5:30 amPortland
31h 25m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Feb 11
BKK2:05 amBangkok Suvarnabhumi
34h 13m
2 stops
PWM12:18 amPortland
$1,385
Korean Air
Feb 8
PWM5:30 amPortland
31h 25m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Feb 11
BKK2:05 amBangkok Suvarnabhumi
33h 01m
2 stops
PWM11:06 pmPortland
$1,456
Korean Air
Mar 21
PWM2:30 pmPortland
68h 40m
2 stops
HKT10:10 pmPhuket City
Mar 25
HKT11:40 pmPhuket City
34h 42m
2 stops
PWM11:22 pmPortland
$1,642

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 January 29, 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

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 2/8

6:00 am-11:25 am

3 stops41h 25m

Bangkok Suvarnabhumi

Thu 2/12

4:55 pm-6:56 pm

3 stops62h 01m

$1,157

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 2/25

5:40 pm-4:25 pm

2 stops58h 45m

Bangkok Suvarnabhumi

Wed 3/4

9:55 am-5:07 pm

2 stops43h 12m

$1,168

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Fri 3/13

9:40 am-11:25 am

3 stops38h 45m

Bangkok Suvarnabhumi

Fri 3/20

4:55 pm-9:11 pm

3 stops39h 16m

$1,181

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 2/25

5:45 am-11:25 am

3 stops41h 40m

Bangkok Suvarnabhumi

Wed 3/4

7:10 am-8:28 pm

2 stops25h 18m

$1,192

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 2/25

5:45 am-11:25 am

3 stops41h 40m

Bangkok Suvarnabhumi

Wed 3/4

4:55 pm-3:14 pm

3 stops34h 19m

$1,200

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 2/8

2:31 pm-11:25 am

3 stops32h 54m

Bangkok Suvarnabhumi

Thu 2/12

4:55 pm-3:14 pm

3 stops34h 19m

$1,240

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 2/8

5:30 am-12:55 am

2 stops31h 25m

Bangkok Suvarnabhumi

Wed 2/11

2:05 am-12:18 am

2 stops34h 13m

$1,385

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 2/8

5:30 am-12:55 am

2 stops31h 25m

Bangkok Suvarnabhumi

Wed 2/11

2:05 am-11:06 pm

2 stops33h 01m

$1,456

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 3/21

2:30 pm-10:10 pm

2 stops68h 40m

Phuket City

Wed 3/25

11:40 pm-11:22 pm

2 stops34h 42m

$1,642

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Sat 3/21

12:44 pm-6:50 am

2 stops31h 06m

Phuket City

Wed 3/25

8:20 am-12:14 pm

2 stops38h 54m

$1,859

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 17 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

31h 06m

Direct flights

None
The fastest flight from Portland, Maine to Thailand takes 31h 06m
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
9,215 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.

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1 adult
Sat 2/28
Sat 3/7

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