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Cheap flights from Thailand to Portland from ฿15,592

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
20 Mar — 27 Mar1
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 18 February 2026.

Tue 28/413:25
BKK
-
PDX
2 stops34h 13m
Multiple Airlines
Sun 14/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 18/2฿24,059
Tue 12/523:40
BKK
-
PDX
2 stops30h 58m
Multiple Airlines
Wed 4/1107:00
PDX
-
BKK
2 stops23h 50m
Multiple Airlines
Deal found 16/2฿24,090
Thu 28/513:25
BKK
-
PDX
2 stops34h 22m
Multiple Airlines
Sun 14/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 18/2฿24,403
Fri 1/513:25
BKK
-
PDX
2 stops34h 13m
Multiple Airlines
Wed 20/517:59
PDX
-
BKK
2 stops28h 11m
Multiple Airlines
Deal found 18/2฿24,465
Wed 15/713:25
BKK
-
PDX
2 stops32h 40m
Multiple Airlines
Wed 22/707:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 15/2฿25,153
Wed 20/513:25
BKK
-
PDX
2 stops32h 37m
Multiple Airlines
Mon 2/1107:00
PDX
-
BKK
2 stops23h 50m
Multiple Airlines
Deal found 18/2฿25,215
Tue 12/521:40
BKK
-
PDX
2 stops37h 40m
เดลต้า
Wed 4/1109:40
PDX
-
BKK
2 stops22h 40m
เดลต้า
Deal found 18/2฿26,309
Wed 6/520:15
BKK
-
PDX
2 stops32h 30m
แอร์แคนาดา
Sat 15/815:25
PDX
-
BKK
2 stops41h 55m
แอร์แคนาดา
Deal found 18/2฿26,903
Sun 10/501:35
BKK
-
PDX
2 stops28h 47m
EVA Air
Tue 2/617:59
PDX
-
BKK
2 stops26h 51m
EVA Air
Deal found 18/2฿27,527
Wed 23/911:15
CNX
-
PDX
2 stops36h 16m
แอร์แคนาดา
Sun 27/910:10
PDX
-
CNX
2 stops40h 25m
แอร์แคนาดา
Deal found 17/2฿29,965
Fri 3/411:35
CNX
-
PDX
2 stops26h 09m
EVA Air
Fri 10/421:35
PDX
-
CNX
2 stops46h 50m
EVA Air
Deal found 16/2฿36,901
Wed 18/311:25
CNX
-
PDX
2 stops36h 25m
Multiple Airlines
Wed 1/414:37
PDX
-
CNX
2 stops29h 43m
Multiple Airlines
Deal found 18/2฿39,995

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 18 February 2026.

Round-trip from

฿24,059

One-way from

฿15,592

Popular in

February

Cheapest in

August

Average price

฿37,120
28/4-14/6
  • 28/4-14/6
  • 4 total stops
  • 59h 53m total
  • Thailand to Portland
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 24h 19m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿83,193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿18,980 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 18 February 2026.
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

23:40-16:38

2 stops30h 58m

Portland

Wed 4/11

07:00-21:50

2 stops23h 50m

฿24,090

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 1/5

13:25-09:38

2 stops34h 13m

Portland

Wed 20/5

17:59-12:10

2 stops28h 11m

฿24,465

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 20/5

13:25-08:02

2 stops32h 37m

Portland

Mon 2/11

07:00-21:50

2 stops23h 50m

฿25,215

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

21:40-21:20

2 stops37h 40m

Portland

Wed 4/11

09:40-23:20

2 stops22h 40m

฿26,309

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 20/5

23:30-23:55

2 stops38h 25m

Portland

Mon 2/11

15:50-23:20

2 stops40h 30m

฿26,465

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 16/3

00:55-20:59

2 stops34h 04m

Portland

Tue 14/4

09:05-13:35

2 stops38h 30m

฿26,809

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

20:15-14:45

2 stops32h 30m

Portland

Sat 15/8

19:45-23:20

2 stops37h 35m

฿26,934

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

01:35-16:22

2 stops28h 47m

Portland

Tue 2/6

17:59-10:50

2 stops26h 51m

฿27,527

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Fri 3/4

11:35-23:44

2 stops26h 09m

Portland

Fri 10/4

21:35-10:25

2 stops46h 50m

฿36,901

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 18/3

11:25-09:50

2 stops36h 25m

Portland

Wed 1/4

14:37-10:20

2 stops29h 43m

฿39,995

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 27 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 ฿22,778). Flying from Thailand to Portland in July is currently the most expensive (average of ฿31,277). 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 18 February 2026.
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

Crew

9.2

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Overall

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.2

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Overall

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Korean Air
8.4
Very Good
1,194 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.2

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Overall

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Japan Airlines
8.3
Very Good
1,709 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.2

Boarding

8.9

Comfort

8.9

Entertainment

8.8

Overall

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 ฿36,901, เดลต้า can have you in Portland from Thailand in 26h 09m. The distance between Thailand and Portland is about 11714 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 ฿22,778). Flying from Thailand to Portland in July is currently the most expensive (average of ฿31,277). 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

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.

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 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿24,476Average฿27,260FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿27,124Average฿31,181FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿30,499Average฿30,542FlexibilityNo 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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