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Cheap flights from Thailand to Portland from ฿17,409

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
11 Sep — 18 Sep1
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 12 August 2026.

Fri 25/907:05 -
2 stops43h 05m
Mon 28/915:30 -
2 stops40h 15m
Deal found 11/8฿30,349
Sat 19/921:15 -
2 stops26h 16m
Sat 26/910:10 -
1 stop28h 55m
Deal found 7/8฿30,382
Wed 23/901:35 -
2 stops27h 11m
Mon 28/919:45 -
2 stops36h 00m
Deal found 7/8฿30,614
Sat 5/917:50 -
2 stops40h 57m
Sat 12/921:32 -
2 stops24h 28m
Deal found 8/8฿31,011
Fri 11/917:50 -
2 stops40h 00m
Mon 14/917:41 -
2 stops32h 59m
Deal found 11/8฿31,044
Thu 17/917:50 -
2 stops42h 11m
Wed 23/921:32 -
2 stops24h 28m
Deal found 11/8฿31,772
Tue 22/914:00 -
2 stops33h 31m
Wed 30/919:45 -
2 stops29h 40m
Deal found 8/8฿32,269
Mon 21/911:35 -
2 stops35h 32m
Mon 28/918:50 -
2 stops25h 35m
Deal found 7/8฿35,678
Fri 25/911:35 -
2 stops36h 34m
Fri 2/1018:50 -
2 stops25h 35m
Deal found 10/8฿35,711
Thu 17/921:10 -
2 stops26h 21m
Mon 21/915:30 -
2 stops29h 45m
Deal found 11/8฿38,756
Wed 23/911:35 -
2 stops24h 26m
Wed 30/918:50 -
3 stops34h 20m
Deal found 9/8฿43,356
Mon 21/920:00 -
3 stops38h 36m
Mon 28/911:48 -
3 stops33h 27m
Deal found 7/8฿47,989

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 12 August 2026.

Round-trip from

฿30,349

One-way from

฿17,409

Popular in

March

Cheapest in

October

Average price

฿34,354
แอร์แคนาดา
  • แอร์แคนาดา
  • 25/9-28/9
  • 4 total stops
  • 83h 20m total
  • Thailand to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 10/11
  • 2 total stops
  • 42h 56m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿1,201,832 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 29% potential price decrease (฿334,361 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 12 August 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 Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 25/9

07:05-12:10

2 stops43h 05m

Portland

Mon 28/9

15:30-21:45

2 stops40h 15m

฿30,349

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sat 19/9

21:15-09:31

2 stops26h 16m

Portland

Sat 26/9

10:10-05:05

1 stop28h 55m

฿30,382
Fastest return journey

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Thu 17/12

08:25-20:46

1 stop27h 21m

Portland

Fri 8/1

10:00-00:45

2 stops23h 45m

฿34,519

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Wed 23/9

11:35-10:09

2 stops36h 34m

Portland

Wed 30/9

14:42-10:25

2 stops29h 43m

฿35,678

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Mon 21/9

11:35-09:07

2 stops35h 32m

Portland

Mon 28/9

18:50-10:25

2 stops25h 35m

฿35,678

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Tue 1/9

09:35-20:31

2 stops24h 56m

Portland

Wed 9/9

09:00-09:35

3 stops34h 35m

฿37,068

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 11/9

07:00-14:31

2 stops21h 31m

Portland

Mon 14/9

09:00-09:35

3 stops34h 35m

฿37,101

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sat 5/9

09:35-10:11

2 stops38h 36m

Portland

Sat 12/9

15:43-09:35

3 stops27h 52m

฿37,167

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sat 19/9

15:45-10:11

3 stops32h 26m

Portland

Sat 26/9

10:56-09:35

3 stops32h 39m

฿37,432

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Thu 17/9

21:10-09:31

2 stops26h 21m

Portland

Mon 21/9

15:30-11:15

2 stops29h 45m

฿38,756

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 26 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
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, October is the cheapest month in which you can book a flight from Thailand to Portland (average of ฿28,099). Flying from Thailand to Portland in March is currently the most expensive (average of ฿155,453). 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

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 ฿37,068, แอร์แคนาดา can have you in Portland from Thailand in 24h 56m. 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 ฿28,099). Flying from Thailand to Portland in March is currently the most expensive (average of ฿155,453). 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

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

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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