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$850+ Cheap flights from Thailand to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Thailand to Portland

Cheapest flights from Thailand to Portland
Explore the most affordable flight options available from Thailand to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This Japan Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:40 am
BKK
-
PWM
2 stops35h 14m
Multiple Airlines
Thu 8/206:15 am
PWM
-
BKK
2 stops29h 45m
Multiple Airlines
Deal found 3/19$1,245
This American Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:55 am
BKK
-
PWM
2 stops45h 36m
American Airlines
Sun 11/15:37 pm
PWM
-
BKK
2 stops47h 28m
American Airlines
Deal found 3/21$1,324
This Qatar Airways deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 pm
BKK
-
PWM
2 stops37h 07m
Qatar Airways
Wed 9/233:03 pm
PWM
-
BKK
2 stops34h 52m
Qatar Airways
Deal found 3/23$1,392
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:35 am
BKK
-
PWM
2 stops49h 24m
United Airlines
Thu 8/2012:00 pm
PWM
-
BKK
3 stops34h 35m
United Airlines
Deal found 3/19$1,414
This KAYAK deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:55 am
BKK
-
PWM
2 stops49h 50m
Multiple Airlines
Mon 8/248:00 am
PWM
-
BKK
2 stops28h 00m
Multiple Airlines
Deal found 3/20$1,416
This Qatar Airways deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:45 am
BKK
-
PWM
2 stops32h 18m
Qatar Airways
Fri 5/153:02 pm
PWM
-
BKK
2 stops35h 23m
Qatar Airways
Deal found 3/24$1,423
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:45 pm
BKK
-
PWM
3 stops29h 17m
United Airlines
Wed 9/233:44 pm
PWM
-
BKK
3 stops30h 51m
United Airlines
Deal found 3/23$1,437
This Qatar Airways deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:55 pm
BKK
-
PWM
2 stops29h 12m
Qatar Airways
Wed 11/43:53 pm
PWM
-
BKK
2 stops33h 12m
Qatar Airways
Deal found 3/22$1,441
This Japan Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:40 pm
BKK
-
PWM
2 stops31h 51m
Multiple Airlines
Tue 11/35:37 pm
PWM
-
BKK
2 stops58h 48m
Multiple Airlines
Deal found 3/21$1,446
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:55 pm
BKK
-
PWM
3 stops33h 39m
United Airlines
Wed 11/45:30 am
PWM
-
BKK
2 stops35h 40m
United Airlines
Deal found 3/22$1,490
This Korean Air deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:15 am
CNX
-
PWM
2 stops49h 38m
Korean Air
Wed 11/46:30 am
PWM
-
CNX
2 stops52h 25m
Korean Air
Deal found 3/22$1,870

Find flight deals from Thailand to Portland

Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated March 24, 2026.

Round-trip from

$1,245
(Japan Airlines)

One-way from

$850
(FlightHub)
From Thailand to Portland
Search Deals
One-way flight from Thailand to Portland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thailand to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 5/13

9:40 am-9:54 am

2 stops35h 14m

Portland

Thu 8/20

6:15 am-11:00 pm

2 stops29h 45m

$1,245

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 5/13

9:35 am-11:59 pm

2 stops49h 24m

Portland

Thu 8/20

12:00 pm-9:35 am

3 stops34h 35m

$1,414

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 5/7

1:45 am-11:03 pm

2 stops32h 18m

Portland

Fri 5/15

3:02 pm-1:25 pm

2 stops35h 23m

$1,423

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 8/18

8:00 pm-12:17 pm

2 stops27h 17m

Portland

Tue 11/3

3:53 pm-1:05 pm

2 stops33h 12m

$1,520

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sat 8/22

9:35 am-10:01 pm

2 stops47h 26m

Portland

Thu 11/5

6:00 am-12:20 am

2 stops30h 20m

$1,564

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 8/20

3:45 pm-10:12 am

3 stops29h 27m

Portland

Sat 10/31

4:48 pm-11:25 am

3 stops55h 37m

$1,709
Quickest round-trip

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Wed 8/19

3:45 pm-10:12 am

3 stops29h 27m

Portland

Tue 11/3

4:48 pm-11:25 am

3 stops30h 37m

$1,709

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Thu 8/20

3:45 pm-10:12 am

3 stops29h 27m

Portland

Tue 11/3

4:48 pm-11:25 am

3 stops30h 37m

$1,709

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 8/18

9:35 am-2:28 pm

2 stops39h 53m

Portland

Sat 10/31

5:30 am-11:25 am

3 stops66h 55m

$1,759

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 8/10

3:45 pm-10:12 am

3 stops29h 27m

Portland

Mon 8/24

6:00 am-4:35 am

2 stops35h 35m

$1,772

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 13 resultsSorted by cheapest first
1
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Best time to book a flight from Thailand to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Thailand with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to Portland

What is the cheapest month to book a flight from Thailand to Portland, Maine?

Currently, February is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of $939). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of $1,262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to PWM?

Find hourly flight availability from Thailand to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 24, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 12% on flights from Thailand to Portland, Maine by exploring options for tickets in the evening.

What is the cheapest day to fly from Thailand to Portland, Maine?

Use this chart to determine the cheapest time to fly round-trip from Thailand to Portland. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Thailand to Portland, Maine flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Thailand?

    If you book a flight to Portland from Thailand, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

  • How long is the flight from Thailand to Portland, Maine?

    Departing from Thailand to Portland, Maine will take you 27h 17m. Airlines will cover a distance of 8429 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Thailand to Portland that include hotel bookings?

    Yes. In addition to deals on Thailand to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Portland.

  • Can I find deals for business class flights from Thailand to Portland?

    Yes. Cheapflights offers flight deals from Thailand to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Portland, Maine?

    Currently, February is the cheapest month in which you can book a flight from Thailand to Portland, Maine (average of $939). Flying from Thailand to Portland, Maine in January is currently the most expensive (average of $1,262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Lewiston
Conway

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