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$666+ Cheap flights from Portland, ME (PWM) to Thailand

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BKK
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
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Cheap flight deals from Portland to Thailand

Cheapest flights from Portland to Thailand
Explore the most affordable flight options available from Portland to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.

This Justfly.com deal was found by Cheapflights users on 6/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
PWM
-
BKK
2 stops30h 50m
Etihad Airways
Wed 9/303:15 am
BKK
-
PWM
2 stops31h 37m
Etihad Airways
Deal found 6/17$1,016
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
PWM
-
HKT
2 stops30h 50m
Etihad Airways
Tue 9/293:20 pm
HKT
-
PWM
2 stops43h 32m
Etihad Airways
Deal found 6/14$1,038
This Etihad Airways deal was found by Cheapflights users on 6/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
PWM
-
BKK
2 stops30h 50m
Etihad Airways
Fri 10/29:00 pm
BKK
-
PWM
2 stops37h 52m
Etihad Airways
Deal found 6/15$1,038
This Etihad Airways deal was found by Cheapflights users on 6/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
PWM
-
HKT
2 stops30h 50m
Etihad Airways
Sun 9/273:20 am
HKT
-
PWM
2 stops31h 32m
Etihad Airways
Deal found 6/15$1,068
This Etihad Airways deal was found by Cheapflights users on 6/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
PWM
-
HKT
2 stops37h 40m
Multiple Airlines
Wed 7/153:20 am
HKT
-
PWM
2 stops31h 56m
Multiple Airlines
Deal found 6/16$1,135
This BusinessClass deal was found by Cheapflights users on 6/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
PWM
-
HKT
2 stops49h 20m
Etihad Airways
Thu 7/169:25 am
HKT
-
PWM
2 stops49h 51m
Etihad Airways
Deal found 6/17$1,191
This United Airlines deal was found by Cheapflights users on 6/15. 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 9/286:00 am
PWM
-
BKK
3 stops40h 35m
United Airlines
Fri 10/29:35 am
BKK
-
PWM
2 stops44h 49m
United Airlines
Deal found 6/15$1,220
This United Airlines deal was found by Cheapflights users on 6/17. 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 9/136:00 am
PWM
-
BKK
2 stops35h 35m
United Airlines
Thu 10/13:45 pm
BKK
-
PWM
3 stops35h 17m
United Airlines
Deal found 6/17$1,235
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 7/306:00 am
PWM
-
BKK
2 stops35h 35m
United Airlines
Thu 8/63:45 pm
BKK
-
PWM
3 stops64h 56m
United Airlines
Deal found 6/15$1,574
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sat 8/16:00 am
PWM
-
BKK
3 stops40h 35m
United Airlines
Sat 8/87:00 am
BKK
-
PWM
2 stops25h 41m
United Airlines
Deal found 6/17$1,576
This Asiana Airlines deal was found by Cheapflights users on 6/14. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
PWM
-
HKT
3 stops52h 45m
Multiple Airlines
Tue 9/2910:45 pm
HKT
-
PWM
2 stops60h 07m
Multiple Airlines
Deal found 6/14$1,583
This BusinessClass deal was found by Cheapflights users on 6/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:00 am
PWM
-
HKT
2 stops49h 20m
Etihad Airways
Sat 6/209:20 pm
HKT
-
PWM
2 stops30h 46m
Etihad Airways
Deal found 6/14$1,779

Find flight deals from Portland to Thailand

Keep the following information in mind while searching for Portland to Thailand flight deals. Data was last updated June 19, 2026.

Round-trip from

$1,016
(Justfly.com)

One-way from

$666
(Expedia)

Popular in

June

Cheapest in

May

Average price

$1,726
From Portland to Thailand
Search Deals
One-way flight from Portland to Thailand
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated June 19, 2026.
Use the filters below to find and compare flights from Portland to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/24

6:00 am-11:50 pm

2 stops30h 50m

Phuket City

Tue 9/29

3:20 pm-11:52 pm

2 stops43h 32m

$1,038

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 9/28

6:00 am-11:50 pm

2 stops30h 50m

Bangkok Suvarnabhumi

Fri 10/2

9:00 pm-11:52 pm

2 stops37h 52m

$1,038

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/24

6:00 am-11:50 pm

2 stops30h 50m

Phuket City

Sun 9/27

3:20 am-11:52 pm

2 stops31h 32m

$1,068

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Thu 9/17

6:00 am-11:50 pm

2 stops30h 50m

Phuket City

Sun 9/20

3:20 am-11:52 pm

2 stops31h 32m

$1,068

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Fri 7/10

6:00 am-6:40 am

2 stops37h 40m

Phuket City

Wed 7/15

3:20 am-12:16 am

2 stops31h 56m

$1,135

PortlandPhuket City

PWM - HKT

PWMHKT

Portland

Fri 7/10

6:00 am-6:20 pm

2 stops49h 20m

Phuket City

Thu 7/16

9:25 am-12:16 am

2 stops49h 51m

$1,191

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Mon 9/28

6:00 am-9:35 am

3 stops40h 35m

Bangkok Suvarnabhumi

Fri 10/2

9:35 am-7:24 pm

2 stops44h 49m

$1,220
Quickest round-trip

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sun 9/13

3:37 pm-9:35 am

3 stops30h 58m

Bangkok Suvarnabhumi

Thu 10/1

3:45 pm-10:02 am

3 stops29h 17m

$1,284

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Thu 7/30

6:00 am-4:35 am

2 stops35h 35m

Bangkok Suvarnabhumi

Thu 8/6

3:45 pm-9:41 pm

3 stops64h 56m

$1,574

PortlandBangkok

PWM - BKK

PWMBKK

Portland

Sat 8/1

6:00 am-9:35 am

3 stops40h 35m

Bangkok Suvarnabhumi

Sat 8/8

7:00 am-9:41 pm

2 stops25h 41m

$1,576

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Portland 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 Portland to Thailand
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated June 19, 2026.
Peruse reviews from past customers who have flown with United Airlines from Portland to Thailand to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,860 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,860 reviews
United Airlines
7.4
Good
9,860 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Portland to Thailand. 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 from for flights from Portland to Thailand?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Thailand. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

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

    Airlines like Etihad Airways and United Airlines fly from Portland, Maine to Thailand in about 30h 50m. The time it takes to get you to your destination can typically vary by up to 9h 45m. Portland, Maine and Thailand are separated by 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 Portland to Thailand that include hotel bookings?

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Portland to Thailand

Discover the top airline that operate flights from Portland to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,047Average$1,116FlexibilityNo cancel feeOn-time69%

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