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Cheap flights from Thailand to Portland from ฿15,522

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
10 Apr — 17 Apr1
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 11 March 2026.

Tue 22/913:25
BKK
-
PDX
2 stops34h 00m
Multiple Airlines
Wed 23/917:40
PDX
-
BKK
2 stops25h 15m
Multiple Airlines
Deal found 7/3฿24,121
Tue 2/623:40
BKK
-
PDX
2 stops30h 58m
Multiple Airlines
Tue 16/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 6/3฿24,153
Wed 15/713:25
BKK
-
PDX
2 stops24h 05m
Multiple Airlines
Wed 16/917:55
PDX
-
BKK
2 stops25h 00m
Multiple Airlines
Deal found 6/3฿25,196
Mon 20/421:40
BKK
-
PDX
2 stops33h 30m
เดลต้า
Mon 27/407:05
PDX
-
BKK
2 stops26h 30m
เดลต้า
Deal found 6/3฿26,271
Wed 6/517:30
BKK
-
PDX
2 stops30h 08m
Multiple Airlines
Sat 15/821:30
PDX
-
BKK
2 stops24h 40m
Multiple Airlines
Deal found 8/3฿26,429
Tue 21/410:20
BKK
-
PDX
2 stops37h 10m
Multiple Airlines
Tue 28/407:10
PDX
-
BKK
2 stops25h 30m
Multiple Airlines
Deal found 6/3฿26,903
Wed 29/413:25
BKK
-
PDX
2 stops32h 36m
Multiple Airlines
Mon 26/1007:00
PDX
-
BKK
2 stops24h 50m
Multiple Airlines
Deal found 8/3฿27,061
Fri 24/423:30
BKK
-
PDX
2 stops31h 31m
เดลต้า
Fri 1/515:35
PDX
-
BKK
2 stops40h 10m
เดลต้า
Deal found 10/3฿27,377
Wed 6/517:50
BKK
-
PDX
2 stops39h 44m
STARLUX Airlines
Sat 15/819:38
PDX
-
BKK
2 stops26h 22m
STARLUX Airlines
Deal found 7/3฿27,757
Wed 6/509:50
BKK
-
PDX
2 stops26h 52m
Korean Air
Sat 15/811:10
PDX
-
BKK
2 stops23h 55m
Korean Air
Deal found 10/3฿28,294
Tue 12/517:30
BKK
-
PDX
2 stops30h 17m
Multiple Airlines
Wed 3/617:40
PDX
-
BKK
2 stops26h 05m
Multiple Airlines
Deal found 10/3฿28,389
Wed 23/911:30
CNX
-
PDX
2 stops45h 36m
แอร์แคนาดา
Sun 27/919:45
PDX
-
CNX
2 stops30h 50m
แอร์แคนาดา
Deal found 6/3฿39,169

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 11 March 2026.

Round-trip from

฿24,153

One-way from

฿15,522

Popular in

February

Cheapest in

August

Average price

฿30,665
2/6-16/6
  • 2/6-16/6
  • 4 total stops
  • 56h 38m total
  • Thailand to Portland
Search Deals
13/5
  • 13/5
  • 2 total stops
  • 48h 08m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿74,515 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿18,461 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 11 March 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 - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

17:30-09:38

2 stops30h 08m

Portland

Sat 15/8

21:30-12:10

2 stops24h 40m

฿26,429

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

09:50-22:42

2 stops26h 52m

Portland

Sat 15/8

11:10-01:05

2 stops23h 55m

฿28,294

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 5/9

17:50-00:10

2 stops44h 20m

Portland

Wed 9/9

21:59-16:40

2 stops28h 41m

฿29,717

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

08:00-19:05

2 stops49h 05m

Portland

Sat 15/8

19:45-05:05

1 stop19h 20m

฿31,203
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 5/9

07:00-14:47

2 stops21h 47m

Portland

Wed 9/9

15:43-09:35

3 stops27h 52m

฿33,005

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 21/4

15:45-00:44

2 stops22h 59m

Portland

Tue 28/4

07:15-09:35

3 stops36h 20m

฿33,447

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

17:30-09:47

2 stops30h 17m

Portland

Wed 3/6

17:00-09:45

3 stops26h 45m

฿38,284
Cheapest one-way

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 1/5

13:20-09:30

2 stops34h 10m

฿16,155

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 17/3

00:15-16:56

2 stops30h 41m

฿16,534

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 21/4

09:50-12:52

2 stops41h 02m

฿16,629

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 ฿23,046). Flying from Thailand to Portland in July is currently the most expensive (average of ฿31,645). 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 11 March 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

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

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

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

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
1,202 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

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
1,730 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

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 ฿28,294, Korean Air can have you in Portland from Thailand in 26h 52m. 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 ฿23,046). Flying from Thailand to Portland in July is currently the most expensive (average of ฿31,645). 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

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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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿24,764Average฿26,834FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿27,443Average฿31,548FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿30,858Average฿30,902FlexibilityNo 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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