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Cheap flights from Thailand to Portland from ฿16,954

BKK — PDX
7 Oct — 14 Oct1
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

Sun 18/1021:40 -
2 stops31h 11m
Sun 25/1007:05 -
2 stops40h 20m
Deal found 3/9฿27,501
Mon 5/1007:05 -
1 stop16h 26m
Mon 12/1019:45 -
1 stop19h 20m
Deal found 6/9฿28,947
Tue 20/1009:50 -
2 stops39h 59m
Tue 27/1020:44 -
2 stops38h 01m
Deal found 5/9฿29,768
Mon 21/902:35 -
2 stops26h 06m
Sat 26/909:51 -
2 stops23h 44m
Deal found 4/9฿29,932
Sun 18/1014:00 -
2 stops38h 46m
Sun 25/1019:15 -
1 stop20h 15m
Deal found 3/9฿30,491
Thu 5/1100:20 -
2 stops30h 55m
Tue 10/1117:29 -
2 stops38h 16m
Deal found 4/9฿31,345
Mon 5/1017:50 -
2 stops30h 54m
Mon 12/1014:30 -
2 stops36h 10m
Deal found 6/9฿32,988
Thu 10/921:45 -
2 stops38h 42m
Mon 14/906:08 -
2 stops48h 37m
Deal found 2/9฿58,846

Find flight deals from Thailand to Portland

Round-trip from

฿27,501

One-way from

฿16,954

Popular in

March

Cheapest in

October

Average price

฿30,622
Korean Air
  • Korean Air
  • 18/10-25/10
  • 4 total stops
  • 71h 31m total
  • Thailand to Portland
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แอร์แคนาดา
  • แอร์แคนาดา
  • 8/12-31/12
  • 1 total stop
  • 27h 21m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿1,198,285 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 30% potential price decrease (฿330,791 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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
Fastest return journey

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Tue 10/11

08:25-14:41

1 stop21h 16m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,775

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Wed 23/12

17:00-19:50

2 stops41h 50m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,695

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Tue 20/10

21:10-19:11

3 stops36h 01m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,761

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sun 17/1

08:25-14:41

1 stop21h 16m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,827

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 5/12

00:15-23:54

2 stops38h 39m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,122

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sun 6/12

17:00-00:10

2 stops46h 10m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,122

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sat 5/12

00:20-18:44

2 stops33h 24m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,221

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sun 17/1

09:50-19:03

2 stops24h 13m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿21,160

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sun 17/1

23:15-13:08

2 stops28h 53m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿21,192

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Thu 17/9

01:35-11:36

3 stops48h 01m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿21,225

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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, October is the cheapest month in which you can book a flight from Thailand to Portland (average of ฿27,895). Flying from Thailand to Portland in March is currently the most expensive (average of ฿154,327). 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.

Related info for your journey

  • 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 ฿28,947, Korean Air can have you in Portland from Thailand in 16h 26m. 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, October is the cheapest month in which you can book a flight from Thailand to Portland (average of ฿27,895). Flying from Thailand to Portland in March is currently the most expensive (average of ฿154,327). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Thailand to Portland

Chiang Mai to Portland flights

Fly with Cheapflights

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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