฿14,893+ Cheap flights to Portland

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
24 Mar — 31 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to Portland in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portland
Explore the most affordable flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 22 February 2026.

Tue 28/413:25
BKK
-
PDX
2 stops34h 13m
Multiple Airlines
Sun 14/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 18/2฿23,892
Thu 28/513:25
BKK
-
PDX
2 stops34h 22m
Multiple Airlines
Sun 14/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 18/2฿24,233
Fri 1/513:25
BKK
-
PDX
2 stops34h 13m
Multiple Airlines
Wed 20/517:59
PDX
-
BKK
2 stops28h 11m
Multiple Airlines
Deal found 18/2฿24,295
Sun 31/523:40
BKK
-
PDX
2 stops38h 04m
Multiple Airlines
Wed 11/1107:00
PDX
-
BKK
2 stops23h 50m
Multiple Airlines
Deal found 20/2฿24,667
Wed 20/513:25
BKK
-
PDX
2 stops32h 37m
Multiple Airlines
Mon 2/1107:00
PDX
-
BKK
2 stops23h 50m
Multiple Airlines
Deal found 18/2฿25,040
Tue 12/523:30
BKK
-
PDX
2 stops35h 50m
เดลต้า
Wed 4/1117:45
PDX
-
BKK
2 stops38h 35m
เดลต้า
Deal found 19/2฿26,126
Mon 6/421:40
BKK
-
PDX
2 stops37h 19m
เดลต้า
Mon 13/407:05
PDX
-
BKK
2 stops40h 30m
เดลต้า
Deal found 20/2฿26,188
Tue 3/302:15
BKK
-
PDX
2 stops23h 41m
Multiple Airlines
Sat 7/317:50
PDX
-
BKK
2 stops26h 20m
Multiple Airlines
Deal found 18/2฿26,622
Wed 6/520:15
BKK
-
PDX
2 stops32h 30m
แอร์แคนาดา
Sat 15/815:25
PDX
-
BKK
2 stops41h 55m
แอร์แคนาดา
Deal found 18/2฿26,715
Tue 5/501:35
BKK
-
PDX
2 stops26h 12m
Multiple Airlines
Sat 15/814:30
PDX
-
BKK
2 stops30h 40m
Multiple Airlines
Deal found 20/2฿26,808
Sat 30/501:35
BKK
-
PDX
2 stops25h 58m
Multiple Airlines
Fri 6/1117:55
PDX
-
BKK
2 stops26h 15m
Multiple Airlines
Deal found 20/2฿26,994

Find flight deals to Portland

Find the latest flights to Portland in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 22 February 2026.

Return from

฿23,892

One-way from

฿14,893

Popular in

February

Cheapest in

August

Average price

฿36,861
28/4-14/6
  • 28/4-14/6
  • 4 total stops
  • 59h 53m total
  • Bangkok to Portland
17/6
  • 17/6
  • 2 total stops
  • 24h 46m total
  • Bangkok to Portland
Highest demand for flights based on searches. 8% potential increase in price (฿2,645 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿603 potential savings vs. average return price).
Average for return flights in February 2026

Cheapflights Fare Finder

 
Locate flights to Portland that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 22 February 2026.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 28/5

13:25-09:47

2 stops34h 22m

Portland

Sun 14/6

07:00-22:40

2 stops25h 40m

฿24,233

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 1/5

13:25-09:38

2 stops34h 13m

Portland

Wed 20/5

17:59-12:10

2 stops28h 11m

฿24,295

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 20/5

13:25-08:02

2 stops32h 37m

Portland

Mon 2/11

07:00-21:50

2 stops23h 50m

฿25,040

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

21:40-21:20

2 stops37h 40m

Portland

Wed 4/11

09:40-23:20

2 stops22h 40m

฿26,126

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 6/4

21:40-20:59

2 stops37h 19m

Portland

Mon 13/4

07:05-13:35

2 stops40h 30m

฿26,188

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

20:15-14:45

2 stops32h 30m

Portland

Sat 15/8

15:25-23:20

2 stops41h 55m

฿26,715

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

01:35-13:47

2 stops26h 12m

Portland

Sat 15/8

14:30-11:10

2 stops30h 40m

฿26,808

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 11/5

01:35-13:47

2 stops26h 12m

Portland

Wed 3/6

17:40-11:20

2 stops27h 40m

฿27,150

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

01:35-16:22

2 stops28h 47m

Portland

Tue 2/6

17:59-10:50

2 stops26h 51m

฿27,336

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

21:40-16:23

2 stops32h 43m

Portland

Tue 12/5

17:18-21:45

2 stops38h 27m

฿29,135

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 19 results
1
2

Best time to book a flight to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland 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 to Portland

How long is the flight to Portland?

On average, a flight from Bangkok to Portland takes 27 hours 5 minutes. Flights to Portland from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Portland?

The cheapest airlines flying from Bangkok to Portland are Korean Air, STARLUX Airlines and Japan Airlines.

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 mm 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 22 February 2026.
See what other customers who have flown with STARLUX Airlines, Korean Air, andJapan Airlines to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very Good

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Boarding

8.9

Comfort

8.9

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
8.9
Very Good
STARLUX Airlines
8.9
Very Good

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Boarding

8.9

Comfort

8.9

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
8.9
Very Good

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Boarding

8.9

Comfort

8.9

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
8.9
Very Good

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Boarding

8.9

Comfort

8.9

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.

FAQs about flying to Portland

  • What airport do you fly into for flights to Portland?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights to Portland.

  • Can I find cheaper flights to Portland if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portland on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portland?

    Based on reviews from Cheapflights users, Korean Air is rated the highest out of the airlines that fly to Portland.

  • What is the cheapest airport to fly to in Portland?

    Portland is currently the cheapest airport to fly to in Portland. One-way flights to Portland typically cost ฿6,455, while return flights cost around ฿11,604.

  • Where does the fastest flight to Portland depart from?

    For those looking to save time traveling to Portland, Bangkok offers the quickest one-way flight (27 hours 5 minutes).

  • Does Portland have rental cars?

    Yes. Those touching down at Portland can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Portland?

    Yes. Portland has hotels nearby for those requiring accommodations. Sheraton Portland Airport Hotel is the closest property to Portland (0.0 km away from Portland).

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

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