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Cheap flights from Thailand to Portland, Maine from ฿25,228

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Portland

Enter your travel dates to find the best prices.

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 10 May 2026.

Mon 21/921:05
BKK
-
PWM
2 stops37h 47m
Qatar Airways
Fri 25/906:00
PWM
-
BKK
2 stops43h 55m
Qatar Airways
Deal found 5/5฿41,458
Mon 14/902:30
BKK
-
PWM
2 stops32h 22m
Qatar Airways
Sat 19/906:00
PWM
-
BKK
2 stops37h 20m
Qatar Airways
Deal found 7/5฿42,004
Mon 21/907:00
BKK
-
PWM
2 stops27h 31m
United Airlines
Fri 25/907:51
PWM
-
BKK
3 stops38h 44m
United Airlines
Deal found 5/5฿47,789
Tue 15/909:35
BKK
-
PWM
2 stops44h 44m
United Airlines
Sat 19/910:43
PWM
-
BKK
3 stops35h 52m
United Airlines
Deal found 7/5฿48,336
Sun 18/1021:45
CNX
-
PWM
2 stops35h 38m
Korean Air
Thu 22/1006:30
PWM
-
CNX
2 stops51h 15m
Korean Air
Deal found 5/5฿74,432

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 10 May 2026.

Round-trip from

฿41,458

One-way from

฿25,228
Qatar Airways
  • Qatar Airways
  • 21/9-25/9
  • 4 total stops
  • 81h 42m total
  • Thailand to Portland
Search Deals
16/5
  • 16/5
  • 2 total stops
  • 24h 23m total
  • Thailand to Portland
Search Deals

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 10 May 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 return flight

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 21/9

21:05-23:52

2 stops37h 47m

Portland

Fri 25/9

06:00-12:55

2 stops43h 55m

฿41,458

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 14/9

02:30-23:52

2 stops32h 22m

Portland

Sat 19/9

06:00-13:25

2 stops44h 25m

฿42,004
Fastest return journey

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Mon 21/9

07:00-23:31

2 stops27h 31m

Portland

Fri 25/9

07:51-09:35

3 stops38h 44m

฿47,789

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 15/9

09:35-19:19

2 stops44h 44m

Portland

Sat 19/9

10:43-09:35

3 stops35h 52m

฿48,336

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Sun 18/10

21:45-22:23

2 stops35h 38m

Portland

Thu 22/10

06:30-20:45

2 stops51h 15m

฿74,432
Cheapest one-way
Fastest single journey

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Sat 16/5

09:40-23:03

2 stops24h 23m

฿25,228

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 15/5

09:40-23:03

2 stops24h 23m

฿25,260

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Tue 8/9

21:40-00:13

2 stops37h 33m

฿25,582

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 15/5

09:40-09:54

2 stops59h 14m

฿27,221

BangkokPortland

BKK - PWM

BKKPWM

Bangkok Suvarnabhumi

Fri 15/5

15:45-15:41

3 stops58h 56m

฿31,656

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 13 resultsSorted by cheapest first
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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 return 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
No data available for this route at this time. Please check back soon.

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 4.7 km from the centre of Portland.

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

    A quick flight from Thailand to Portland, Maine can take about 35h 38m. Qatar Airways provides one of the quickest options available for as low as ฿74,432. Thailand and Portland, Maine are separated by a distance of 12981 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Boston flights
Chiang Mai to Bangor flights
Chiang Mai to Portland flights
Phuket City to Boston flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Portland?

Cheapflights helps you search for flights from Thailand to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thailand to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Thailand to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Thailand to Portland with no change fees.

Can Cheapflights notify me if prices for flights from Thailand to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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