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Cheap flights from Thailand to Portland, Maine from ฿46,218

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PWM
25 Aug — 1 Sep1
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 26 July 2026.

Wed 5/821:40
BKK
-
PWM
2 stops30h 52m
Multiple Airlines
Wed 12/809:52
PWM
-
BKK
2 stops32h 53m
Multiple Airlines
Deal found 24/7฿46,218
Sat 21/1116:55
BKK
-
PWM
3 stops33h 38m
United Airlines
Mon 23/1106:00
PWM
-
BKK
3 stops41h 30m
United Airlines
Deal found 21/7฿50,022
Wed 5/809:35
BKK
-
PWM
2 stops49h 16m
United Airlines
Wed 12/807:40
PWM
-
BKK
3 stops38h 55m
United Airlines
Deal found 24/7฿55,711
Thu 22/1021:45
CNX
-
PWM
2 stops36h 50m
Korean Air
Mon 26/1006:01
PWM
-
CNX
2 stops29h 54m
Korean Air
Deal found 24/7฿65,978

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 26 July 2026.

Round-trip from

฿46,218
5/8-12/8
  • 5/8-12/8
  • 4 total stops
  • 63h 45m 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 26 July 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

Sat 21/11

16:55-23:59

3 stops43h 04m

Portland

Mon 23/11

08:45-11:30

3 stops38h 45m

฿50,022
Fastest return journey

Chiang MaiPortland

CNX - PWM

CNXPWM

Chiang Mai

Thu 22/10

21:45-23:35

2 stops36h 50m

Portland

Mon 26/10

06:01-22:55

2 stops29h 54m

฿65,978

Flights are sorted by cheapest return flights first.

Deals found on 25/7

Sorted by cheapest first

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 36h 50m. United Airlines provides one of the quickest options available for as low as ฿65,978. 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

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

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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.

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