What airlines fly to Thailand?

Cathay Pacific, Turkish Airlines 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 36% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 19 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Portland Airport to Thailand is 1 as of September 2025.

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.

$1,048 Cheap Flights from Portland to Thailand in 2025/26

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Find the cheapest flights from Portland, Maine to Thailand

Round-trip

Last minute

Cheap round-trip flights

3:20 pm - 11:25 amPWM-BKK

33h 05m3 stops

4:55 pm - 2:12 pmBKK-PWM

33h 17m3 stops

$1,048United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

4:54 pm - 11:25 amPWM-BKK

31h 31m3 stops

4:55 pm - 2:12 pmBKK-PWM

57h 17m3 stops

$1,064United Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

9:00 am - 11:25 amPWM-BKK

38h 25m3 stops

4:55 pm - 2:29 pmBKK-PWM

33h 34m3 stops

$1,073United Airlines

Find Deal

Wed, Jan 14 - Mon, Feb 16

6:00 am - 12:20 amPWM-BKK

30h 20m2 stops

4:55 pm - 3:11 pmBKK-PWM

34h 16m3 stops

$1,077United Airlines

Find Deal

Wed, Jan 14 - Mon, Feb 16

2:31 pm - 5:10 amPWM-BKK

50h 39m2 stops

4:55 pm - 2:29 pmBKK-PWM

33h 34m3 stops

$1,081United Airlines

Find Deal

Wed, Jan 14 - Mon, Feb 16

1:27 pm - 12:45 amPWM-BKK

48h 18m2 stops

11:15 pm - 10:19 pmBKK-PWM

35h 04m2 stops

$1,292Korean Air

Find Deal

Thu, Oct 30 - Thu, Nov 6

1:27 pm - 12:45 amPWM-BKK

48h 18m2 stops

12:55 am - 10:19 pmBKK-PWM

33h 24m2 stops

$1,303Korean Air

Find Deal

Thu, Oct 30 - Wed, Nov 5

4:16 pm - 1:05 pmPWM-BKK

32h 49m2 stops

6:55 pm - 12:09 pmBKK-PWM

29h 14m2 stops

$1,535Qatar Airways

Find Deal

Wed, Jan 14 - Mon, Feb 16

4:16 pm - 6:15 amPWM-BKK

25h 59m2 stops

6:55 pm - 12:09 pmBKK-PWM

29h 14m2 stops

$1,575Qatar Airways

Find Deal

Wed, Jan 14 - Sun, Feb 15

3:28 pm - 5:05 amPWM-BKK

26h 37m2 stops

8:05 am - 10:54 pmBKK-PWM

26h 49m3 stops

$4,971American Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

Korean Air flights from Portland, Maine to Thailand

Our best Korean Air deals on Portland, Maine to Thailand flight tickets

Korean Air

Oct 30

PWM1:27 pmPortland

48h 18m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Nov 6

BKK11:15 pmBangkok Suvarnabhumi

35h 04m

2 stops

PWM10:19 pmPortland

$1,292

Find similar

Korean Air

Oct 30

PWM1:27 pmPortland

48h 18m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Nov 5

BKK12:55 amBangkok Suvarnabhumi

33h 24m

2 stops

PWM10:19 pmPortland

$1,303

Find similar

Korean Air

Oct 30

PWM1:27 pmPortland

45h 43m

2 stops

HKT10:10 pmPhuket City

Nov 6

HKT11:40 pmPhuket City

26h 18m

2 stops

PWM1:58 pmPortland

$1,393

Find similar

United Airlines flights from Portland, Maine to Thailand

Our best United Airlines deals on Portland, Maine to Thailand flight tickets

United Airlines

Oct 29

PWM3:20 pmPortland

33h 05m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Nov 5

BKK4:55 pmBangkok Suvarnabhumi

33h 17m

3 stops

PWM2:12 pmPortland

$1,048

Find similar

United Airlines

Oct 30

PWM4:54 pmPortland

31h 31m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Nov 6

BKK4:55 pmBangkok Suvarnabhumi

57h 17m

3 stops

PWM2:12 pmPortland

$1,064

Find similar

United Airlines

Jan 14

PWM9:00 amPortland

38h 25m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 16

BKK4:55 pmBangkok Suvarnabhumi

33h 34m

3 stops

PWM2:29 pmPortland

$1,073

Find similar

momondo Fare Finder

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

Wed 10/29

3:20 pm-11:25 am

3 stops33h 05m

Bangkok Suvarnabhumi

Wed 11/5

4:55 pm-2:12 pm

3 stops33h 17m

$1,048

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 10/30

4:54 pm-11:25 am

3 stops31h 31m

Bangkok Suvarnabhumi

Thu 11/6

4:55 pm-2:12 pm

3 stops57h 17m

$1,064

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

9:00 am-11:25 am

3 stops38h 25m

Bangkok Suvarnabhumi

Mon 2/16

4:55 pm-2:29 pm

3 stops33h 34m

$1,073

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

6:00 am-12:20 am

2 stops30h 20m

Bangkok Suvarnabhumi

Mon 2/16

4:55 pm-3:11 pm

3 stops34h 16m

$1,077

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

2:31 pm-5:10 am

2 stops50h 39m

Bangkok Suvarnabhumi

Mon 2/16

4:55 pm-2:29 pm

3 stops33h 34m

$1,081

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 10/30

1:27 pm-12:45 am

2 stops48h 18m

Bangkok Suvarnabhumi

Thu 11/6

11:15 pm-10:19 pm

2 stops35h 04m

$1,292

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 10/30

1:27 pm-12:45 am

2 stops48h 18m

Bangkok Suvarnabhumi

Wed 11/5

12:55 am-10:19 pm

2 stops33h 24m

$1,303

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

4:16 pm-1:05 pm

2 stops32h 49m

Bangkok Suvarnabhumi

Mon 2/16

6:55 pm-12:09 pm

2 stops29h 14m

$1,535

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Wed 1/14

4:16 pm-6:15 am

2 stops25h 59m

Bangkok Suvarnabhumi

Sun 2/15

6:55 pm-12:09 pm

2 stops29h 14m

$1,575

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 10/30

3:28 pm-5:05 am

2 stops26h 37m

Bangkok Suvarnabhumi

Thu 11/6

8:05 am-10:54 pm

3 stops26h 49m

$4,971

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand 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. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,682.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Portland, Maine in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,362 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Thailand is in the evening when prices are around $1,948.

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

Direct flights	None

There are no direct flights from Portland, Maine to Thailand. There are no popular flight routes from Portland, Maine to Thailand.

Search flight deals

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?
The number of operators available for flights from Portland Airport to Thailand is 1 as of September 2025.
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 Airlines	PriceFrom $1,047	Free Cancellation	Rating 7.4 8,924 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.