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Cheap flights from Thailand to Portland from ฿12,865

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
4 Jan — 11 Jan1
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 5 December 2025.

Tue 16/1202:15BKK - PDX
2 stops26h 15mEVA Air
Thu 15/117:35PDX - BKK
2 stops26h 10mEVA Air
Deal found 3/12฿28,865
Mon 22/1208:15BKK - PDX
1 stop16h 00mแอร์แคนาดา
Tue 20/119:00PDX - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 3/12฿29,569
Wed 17/1214:40BKK - PDX
2 stops24h 39mMultiple Airlines
Thu 15/116:51PDX - BKK
2 stops27h 19mMultiple Airlines
Deal found 5/12฿29,633
Mon 22/1214:40BKK - PDX
2 stops24h 29mMultiple Airlines
Tue 20/119:38PDX - BKK
2 stops24h 32mMultiple Airlines
Deal found 5/12฿29,857
Wed 17/1208:15BKK - PDX
1 stop21h 25mแอร์แคนาดา
Thu 15/119:00PDX - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 3/12฿31,073
Tue 23/1217:15BKK - PDX
2 stops20h 44mEVA Air
Fri 2/107:15PDX - BKK
2 stops25h 25mEVA Air
Deal found 3/12฿35,202

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 5 December 2025.

Round-trip from

฿24,353

One-way from

฿12,865

Popular in

January

Cheapest in

August

Average price

฿30,177
Philippine Airlines
  • Philippine Airlines
  • 12/5-3/6
  • 4 total stops
  • 79h 38m total
  • Thailand to Portland
Search Deals
22/12
  • 22/12
  • 3 total stops
  • 52h 50m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿200,171 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿61,921 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 5 December 2025.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Thailand

Fly to

Portland

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

23:40-09:45

2 stops48h 05m

Portland

Wed 3/6

14:37-12:10

2 stops31h 33m

฿24,353

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 19/1

08:15-09:15

1 stop16h 00m

Portland

Mon 26/1

19:00-06:30

1 stop20h 30m

฿27,105

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 22/1

08:15-11:57

2 stops42h 42m

Portland

Mon 26/1

19:00-22:00

2 stops36h 00m

฿27,937

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-18:58

2 stops32h 43m

Portland

Wed 25/3

07:05-22:55

2 stops25h 50m

฿28,161

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 19/1

08:15-09:15

1 stop16h 00m

Portland

Sat 21/2

19:00-06:30

1 stop20h 30m

฿28,161

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-22:23

2 stops36h 08m

Portland

Fri 27/3

09:12-22:55

2 stops23h 43m

฿28,353

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-13:12

2 stops26h 57m

Portland

Thu 26/3

09:12-22:55

2 stops23h 43m

฿28,353

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-22:23

2 stops36h 08m

Portland

Wed 25/3

06:15-22:55

2 stops26h 40m

฿28,353

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-16:56

2 stops30h 41m

Portland

Fri 27/3

09:12-22:55

2 stops23h 43m

฿28,353

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

00:15-16:43

2 stops30h 28m

Portland

Mon 23/3

09:12-22:55

2 stops23h 43m

฿28,353

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 32 results
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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

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

Currently, August is the cheapest month in which you can book a flight from Thailand to Portland (average of ฿23,329). Flying from Thailand to Portland in July is currently the most expensive (average of ฿32,033). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 5 December 2025.
Check out reviews from past customers who have flown with STARLUX Airlines, Korean Air, andJapan Airlines from Thailand to Portland 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.
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Boarding

8.9

Entertainment

8.9

Overall

8.9

Food

8.7

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Boarding

8.9

Entertainment

8.9

Overall

8.9

Food

8.7

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Korean Air
8.4
Very Good
1,180 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Boarding

8.9

Entertainment

8.9

Overall

8.9

Food

8.7

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Japan Airlines
8.3
Very Good
1,640 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Comfort

8.9

Boarding

8.9

Entertainment

8.9

Overall

8.9

Food

8.7

Crew

9.2

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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?

    Located just 9.7 km from the city centre, Portland (PDX) is the airport most travelers will use when flying to Portland from Thailand.

  • How long is the flight from Thailand to Portland?

    For as low as ฿27,105, Philippine Airlines can have you in Portland from Thailand in 16h. The distance between Thailand and Portland is about 12110 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.

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

    Currently, August is the cheapest month in which you can book a flight from Thailand to Portland (average of ฿23,329). Flying from Thailand to Portland in July is currently the most expensive (average of ฿32,033). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

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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 Portland flights

Top 3 airlines flying from Thailand to Portland

Discover the top 3 airlines that operate flights from Thailand to Portland. 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 17,341 searches. Data last updated 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,068Average฿27,919FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿27,780Average฿31,935FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿31,237Average฿31,281FlexibilityNo cancel feeOn-time79%
Search Japan Airlines 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 goes through 900+ travel sites to look for the best flight deals for flights from Thailand to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Thailand to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Thailand to Portland flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Thailand to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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