How long is the flight from Thailand to Portland?

For as low as ฿29,900, เดลต้า can have you in Portland from Thailand in 24h 10m. 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.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from TH to PDX?

When flying from Thailand to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

฿15,416+ Cheap Flights from Thailand to Portland

Cheap flight deals from Thailand to Portland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 21 September 2026.

Sun 1/1100:20 -

2 stops26h 29m

Mon 9/1117:29 -

2 stops38h 16m

Deal found 18/9฿27,803

Thu 5/1109:50 -

2 stops27h 29m

Thu 12/1109:16 -

2 stops37h 09m

Deal found 21/9฿28,002

Wed 4/1123:15 -

2 stops38h 04m

Wed 11/1117:29 -

2 stops38h 36m

Deal found 20/9฿29,434

Mon 26/1001:05 -

2 stops27h 46m

Fri 4/1209:16 -

2 stops37h 09m

Deal found 21/9฿29,567

Tue 27/1007:25 -

1 stop16h 01m

Fri 4/1215:15 -

2 stops28h 45m

Deal found 21/9฿29,867

Wed 28/1009:50 -

2 stops26h 06m

Fri 4/1209:16 -

2 stops24h 04m

Deal found 21/9฿29,900

Tue 3/1123:55 -

2 stops33h 36m

Tue 10/1107:00 -

2 stops26h 20m

Deal found 18/9฿30,034

Tue 3/1101:05 -

2 stops25h 44m

Sun 8/1107:10 -

2 stops24h 55m

Deal found 20/9฿30,067

Tue 3/1100:20 -

2 stops26h 29m

Wed 11/1106:20 -

2 stops25h 25m

Deal found 20/9฿30,067

Tue 3/1108:25 -

1 stop21h 16m

Tue 10/1110:00 -

2 stops23h 20m

Deal found 18/9฿30,200

Wed 4/1108:25 -

1 stop16h 01m

Sun 8/1119:10 -

2 stops38h 10m

Deal found 16/9฿30,233

Thu 24/902:35 -

2 stops31h 27m

Tue 13/1017:49 -

2 stops39h 46m

Deal found 21/9฿31,299

Best flights from Thailand to Portland
Discover carefully curated flight deals from Thailand to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Tue 27/1009:50 -

2 stops24h 10m

Thu 3/1205:30 -

2 stops26h 35m

Deal found 21/9฿29,900

Tue 3/1101:05 -

2 stops25h 44m

Sun 8/1107:10 -

2 stops24h 55m

Deal found 18/9฿30,067

Sun 24/109:50 -

2 stops23h 41m

Fri 12/219:10 -

1 stop20h 20m

Deal found 16/9฿30,933

Mon 2/1121:45 -

3 stops31h 56m

Mon 9/1112:31 -

3 stops30h 19m

Deal found 18/9฿44,584

Wed 28/1009:50 -

2 stops38h 55m

Sat 5/1207:00 -

2 stops26h 20m

Deal found 21/9฿29,900

Tue 3/1100:20 -

2 stops26h 29m

Wed 11/1106:20 -

2 stops25h 25m

Deal found 20/9฿30,067

Wed 28/1009:50 -

2 stops26h 06m

Fri 4/1209:16 -

2 stops24h 04m

Deal found 21/9฿29,900

Thu 5/1100:20 -

2 stops30h 55m

Tue 10/1117:29 -

2 stops38h 16m

Deal found 20/9฿31,465

Tue 3/1117:00 -

2 stops41h 46m

Sun 15/1115:55 -

2 stops33h 05m

Deal found 20/9฿80,511

Wed 4/1122:50 -

3 stops34h 41m

Wed 11/1110:00 -

2 stops22h 35m

Deal found 20/9฿50,178

Mon 2/1111:25 -

2 stops37h 03m

Fri 13/1114:50 -

2 stops28h 35m

Deal found 20/9฿66,959

Mon 2/1119:45 -

3 stops39h 01m

Fri 13/1112:04 -

3 stops32h 16m

Deal found 20/9฿379,881

Tue 3/1119:45 -

2 stops28h 41m

Sun 15/1110:00 -

2 stops22h 35m

Deal found 20/9฿198,914

Find flight deals from Thailand to Portland

Round-trip from	฿27,803
One-way from	฿15,416
Popular in	April
Cheapest in	December
Average price	฿31,032

Korean Air
1/11-9/11
4 total stops
64h 45m total
Thailand to Portland

Search Deals

27/10-31/12
2 total stops
49h 16m total
Thailand to Portland

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (฿64,563 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿17,912 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Tue 10/11

07:05-20:48

3 stops52h 43m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿17,647

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

฿17,914

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Mon 25/1

09:50-09:26

2 stops38h 36m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,180

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Thu 29/10

09:50-21:56

2 stops26h 06m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,313

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Mon 9/11

00:20-21:57

2 stops36h 37m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,313

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sun 22/11

00:20-08:36

2 stops47h 16m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,313

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Mon 30/11

01:05-22:06

2 stops36h 01m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿18,346

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Sun 22/11

19:45-14:41

2 stops33h 56m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,079

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sun 17/1

09:50-18:31

2 stops23h 41m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,212

Chiang MaiPortland

CNX Chiang Mai - PDX Portland

CNXPDX

Chiang Mai

Tue 24/11

18:40-09:26

2 stops29h 46m

Portland

Wed 31/12

00:00-15:00

Nonstop0h 00m

฿19,212

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 28 resultsSorted by cheapest first

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.

BKK-PDX

CNX-PDX

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

TH0-PDX

BKK-PDX

CNX-PDX

No data available for this route at this time. Please check back soon.

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 ฿29,900, เดลต้า can have you in Portland from Thailand in 24h 10m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Thailand to Portland from ฿15,416

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Thailand to Portland

Cheapest flights from Thailand to PortlandExplore 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 21 September 2026.

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 21 September 2026.

Best flights from Thailand to PortlandDiscover carefully curated flight deals from Thailand to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Thailand to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Thailand to PortlandDiscover last-minute flight deals from Thailand to Portland. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Thailand to Portland. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Thailand to PortlandSearch for one-way flight options from Thailand to Portland. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Thailand to Portland. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Thailand to Portland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Thailand to Portland that are best for you.

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.

Cheapflights Insights

Related info for your journey

What airport do you fly into for flights to Portland from Thailand?

How long is the flight from Thailand to Portland?

Can I find deals for flights from Thailand to Portland that include hotel bookings?

How can I find direct flights from Thailand to Portland?

Can I find deals for business class flights from Thailand to Portland?

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.

Complete your trip

Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Thailand to Portland by cabin class

Find flights from Thailand to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Thailand and Portland flights

Browse other Thailand and Portland flight options. Last updated on 21 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Thailand to Portland?

Why should you use Cheapflights to find cheap flight tickets from Thailand to Portland?

Can Cheapflights find flights from Thailand to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Thailand to Portland become cheaper?

100% Free

Book With Flexibility

Travel Smart

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 21 September 2026.

Best flights from Thailand to Portland
Discover carefully curated flight deals from Thailand to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Thailand to Portland
Discover last-minute flight deals from Thailand to Portland. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Thailand to Portland
Search for one-way flight options from Thailand to Portland. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.