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Cheap flights from Thailand to Portland from ฿16,926

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
22 Apr — 29 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 23 March 2026.

Tue 4/819:30
BKK
-
PDX
2 stops42h 29m
Multiple Airlines
Sun 13/917:40
PDX
-
BKK
2 stops28h 30m
Multiple Airlines
Deal found 18/3฿25,110
Wed 6/517:30
BKK
-
PDX
2 stops30h 00m
Multiple Airlines
Sat 15/817:35
PDX
-
BKK
2 stops26h 10m
Multiple Airlines
Deal found 19/3฿27,871
Wed 6/521:40
BKK
-
PDX
2 stops31h 08m
Korean Air
Sat 15/811:10
PDX
-
BKK
2 stops23h 55m
Korean Air
Deal found 22/3฿28,692
Sun 23/816:45
BKK
-
PDX
2 stops31h 01m
Multiple Airlines
Sun 10/117:35
PDX
-
BKK
2 stops26h 35m
Multiple Airlines
Deal found 21/3฿29,218
Wed 26/812:25
BKK
-
PDX
2 stops22h 23m
Multiple Airlines
Tue 8/921:59
PDX
-
BKK
2 stops23h 11m
Multiple Airlines
Deal found 19/3฿30,303
Tue 25/816:45
BKK
-
PDX
2 stops21h 30m
Multiple Airlines
Tue 12/119:40
PDX
-
BKK
2 stops24h 30m
Multiple Airlines
Deal found 21/3฿30,434
Tue 5/512:25
BKK
-
PDX
2 stops35h 13m
Multiple Airlines
Tue 12/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 21/3฿31,026
Tue 16/616:45
BKK
-
PDX
2 stops30h 39m
Multiple Airlines
Wed 24/617:35
PDX
-
BKK
2 stops27h 35m
Multiple Airlines
Deal found 19/3฿31,059
Sun 3/501:35
BKK
-
PDX
2 stops25h 51m
Multiple Airlines
Mon 11/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 20/3฿31,355
Sun 3/516:45
BKK
-
PDX
2 stops34h 41m
Multiple Airlines
Sun 10/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 19/3฿31,880
Tue 15/921:10
CNX
-
PDX
2 stops26h 21m
แอร์แคนาดา
Sat 19/915:30
PDX
-
CNX
2 stops29h 45m
แอร์แคนาดา
Deal found 19/3฿38,881

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 23 March 2026.

Round-trip from

฿25,110

One-way from

฿16,926

Popular in

February

Cheapest in

August

Average price

฿31,880
4/8-13/9
  • 4/8-13/9
  • 4 total stops
  • 70h 59m total
  • Thailand to Portland
Search Deals
เดลต้า
  • เดลต้า
  • 21/4
  • 2 total stops
  • 38h 26m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿82,078 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿20,103 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 23 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

21:40-14:48

2 stops31h 08m

Portland

Sat 15/8

11:10-01:05

2 stops23h 55m

฿28,692

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 13/9

09:35-20:50

2 stops49h 15m

Portland

Wed 16/9

13:14-09:35

3 stops30h 21m

฿33,852

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

21:40-17:11

2 stops33h 31m

Portland

Wed 10/6

09:19-01:05

2 stops25h 46m

฿36,909

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 15/9

21:10-09:31

2 stops26h 21m

Portland

Sat 19/9

15:30-11:15

2 stops29h 45m

฿38,881
Fastest return journey

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 17/9

21:10-09:31

2 stops26h 21m

Portland

Mon 21/9

19:45-11:15

2 stops25h 30m

฿39,308

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

15:45-15:03

2 stops37h 18m

Portland

Sat 15/8

15:43-09:35

3 stops27h 52m

฿41,839

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

฿44,304

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 8/8

02:30-16:59

2 stops28h 29m

Portland

Thu 8/10

10:30-12:55

2 stops36h 25m

฿44,468

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 14/8

20:00-16:59

2 stops34h 59m

Portland

Thu 8/10

10:30-06:20

2 stops29h 50m

฿44,468

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 9/8

02:30-23:30

2 stops35h 00m

Portland

Sun 4/10

10:30-06:20

2 stops29h 50m

฿44,468

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

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 ฿23,960). Flying from Thailand to Portland in July is currently the most expensive (average of ฿32,899). 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 23 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
9.0
Wonderful
Check prices

Comfort

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.7

Overall

9.0

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
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.7

Overall

9.0

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
9.0
Wonderful
Check prices

Comfort

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.7

Overall

9.0

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
1,748 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Comfort

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.7

Overall

9.0

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 ฿28,692, Korean Air can have you in Portland from Thailand in 31h 08m. 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 ฿23,960). Flying from Thailand to Portland in July is currently the most expensive (average of ฿32,899). 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,745Average฿26,823FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿28,531Average฿31,763FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿32,081Average฿32,126FlexibilityNo 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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