Find flights
When to book
Airlines
FAQs

Cheap flights from Thailand to Portland from ฿17,494

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
19 Jun — 26 Jun1
1 adult

Cheap flight deals from Thailand to Portland

Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated 14 June 2025.

Round-trip from

฿27,990

One-way from

฿17,494

Popular in

January

Cheapest in

March

Average price

฿32,655
เดลต้า
  • เดลต้า
  • 24/6-28/6
  • 4 total stops
  • 75h 29m total
  • Thailand to Portland
Search Deals
STARLUX Airlines
  • STARLUX Airlines
  • 29/9
  • 2 total stops
  • 39h 20m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿175,235 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿75,932 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Thailand to Portland

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 14 June 2025.

Tue 24/602:35BKK - PDX
2 stops35h 54mเดลต้า
Sat 28/617:50PDX - BKK
2 stops39h 35mเดลต้า
Deal found 11/6฿27,990
Mon 15/917:30BKK - PDX
2 stops20h 29mChina Airlines
Mon 12/119:45PDX - BKK
2 stops23h 05mChina Airlines
Deal found 12/6฿30,874
Thu 26/609:45BKK - PDX
2 stops26h 45mJapan Airlines
Sun 29/607:00PDX - BKK
2 stops26h 00mJapan Airlines
Deal found 11/6฿31,845
Wed 25/602:35BKK - PDX
2 stops26h 23mKorean Air
Sun 29/609:10PDX - BKK
2 stops25h 55mKorean Air
Deal found 11/6฿32,267
Wed 23/713:30BKK - PDX
2 stops23h 26mMultiple Airlines
Wed 30/713:25PDX - BKK
2 stops32h 50mMultiple Airlines
Deal found 11/6฿33,109
Mon 15/907:00BKK - PDX
2 stops40h 28mUnited Airlines
Mon 12/109:00PDX - BKK
3 stops34h 50mUnited Airlines
Deal found 12/6฿33,498
Wed 23/711:15BKK - PDX
2 stops60h 15mแอร์แคนาดา
Wed 30/710:05PDX - BKK
2 stops23h 50mแอร์แคนาดา
Deal found 11/6฿34,113
Wed 23/709:35BKK - PDX
2 stops23h 11mANA
Wed 30/710:05PDX - BKK
2 stops29h 55mANA
Deal found 12/6฿34,470
Mon 28/717:40CNX - PDX
2 stops43h 21mMultiple Airlines
Mon 4/815:25PDX - CNX
2 stops40h 10mMultiple Airlines
Deal found 12/6฿37,158
Mon 28/717:40CNX - PDX
2 stops39h 06mแอร์แคนาดา
Mon 4/806:15PDX - CNX
3 stops38h 00mแอร์แคนาดา
Deal found 12/6฿38,163
Tue 8/711:35CNX - PDX
2 stops35h 48mEVA Air
Fri 18/712:31PDX - CNX
2 stops31h 54mEVA Air
Deal found 13/6฿63,270
Fri 11/712:05BKK - PDX
1 stop37h 15mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Fri 18/717:05PDX - BKK
2 stops26h 25mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Deal found 12/6฿66,380

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 14 June 2025.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Thailand

Fly to

Portland

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 24/6

02:35-00:29

2 stops35h 54m

Portland

Sat 28/6

17:50-23:25

2 stops39h 35m

฿27,990

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 15/9

17:30-23:59

2 stops20h 29m

Portland

Mon 12/1

19:45-09:50

2 stops23h 05m

฿30,874

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 26/6

09:45-22:30

2 stops26h 45m

Portland

Sun 29/6

07:00-23:00

2 stops26h 00m

฿31,845

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 25/6

02:35-14:58

2 stops26h 23m

Portland

Sun 29/6

09:10-01:05

2 stops25h 55m

฿32,267

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 23/7

13:30-22:56

2 stops23h 26m

Portland

Wed 30/7

13:25-12:15

2 stops32h 50m

฿33,109

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 15/9

07:00-09:28

2 stops40h 28m

Portland

Mon 12/1

09:00-10:50

3 stops34h 50m

฿33,498

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 23/7

11:15-09:30

2 stops60h 15m

Portland

Wed 30/7

10:05-23:55

2 stops23h 50m

฿34,113

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 23/7

09:35-18:46

2 stops23h 11m

Portland

Wed 30/7

10:05-06:00

2 stops29h 55m

฿34,470

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Mon 28/7

17:40-23:01

2 stops43h 21m

Portland

Mon 4/8

15:25-21:35

2 stops40h 10m

฿37,158

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Mon 28/7

17:40-18:46

2 stops39h 06m

Portland

Mon 4/8

06:15-10:15

3 stops38h 00m

฿38,163

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 33 results
1
2
3
4

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 time of day to fly from TH to PDX?

Find hourly flight availability from Thailand to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 June 2025.

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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

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.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

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).

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 14 June 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Thailand to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,204 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,091 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,490 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

8.9

Food

8.8

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • What are the cheapest airlines to fly from Thailand to Portland one-way?

    One-way options have recently been found by users for as low as ฿17,494 on STARLUX Airlines. Other airlines that offer cheap prices include แอร์แคนาดา from ฿17,591 and เดลต้า from ฿18,012 one-way.

  • 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

Travelling to a place near Thailand?

Book flights to Thailand 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 4 airlines flying from Thailand to Portland

Discover the top 4 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 14 June 2025.
AirlineCheapestAverageFlexibilityOn-time
แอร์แคนาดาCheapest฿27,731Average฿38,111FlexibilityNo cancel feeOn-time67%
Search แอร์แคนาดา flights
Korean AirCheapest฿28,264Average฿30,445FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿29,876Average฿32,671FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿31,622Average฿31,861FlexibilityNo 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.

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.
Site
©2025 Cheapflights