฿15,775+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
30 Mar — 6 Apr1
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 28 February 2026.

Wed 15/713:25
BKK
-
PDX
2 stops33h 59m
Multiple Airlines
Wed 16/917:55
PDX
-
BKK
2 stops28h 15m
Multiple Airlines
Deal found 26/2฿23,926
Tue 5/501:35
BKK
-
PDX
2 stops28h 47m
EVA Air
Sat 15/817:35
PDX
-
BKK
2 stops27h 45m
EVA Air
Deal found 26/2฿27,304
Mon 11/501:35
BKK
-
PDX
2 stops28h 47m
EVA Air
Wed 3/612:33
PDX
-
BKK
2 stops32h 47m
EVA Air
Deal found 26/2฿27,614
Sat 11/701:35
BKK
-
PDX
2 stops36h 24m
EVA Air
Wed 22/707:20
PDX
-
BKK
2 stops26h 10m
EVA Air
Deal found 25/2฿27,831
Sun 10/501:35
BKK
-
PDX
2 stops28h 47m
EVA Air
Tue 2/621:35
PDX
-
BKK
2 stops23h 15m
EVA Air
Deal found 28/2฿27,955
Tue 12/523:30
BKK
-
PDX
2 stops30h 53m
Korean Air
Wed 3/611:20
PDX
-
BKK
2 stops23h 45m
Korean Air
Deal found 28/2฿28,079
Mon 11/521:40
BKK
-
PDX
2 stops39h 21m
Korean Air
Tue 2/611:20
PDX
-
BKK
2 stops23h 45m
Korean Air
Deal found 27/2฿28,110
Tue 14/412:25
BKK
-
PDX
2 stops24h 13m
EVA Air
Tue 21/407:05
PDX
-
BKK
2 stops26h 25m
EVA Air
Deal found 28/2฿28,637
Mon 13/720:15
BKK
-
PDX
2 stops32h 36m
แอร์แคนาดา
Wed 16/919:45
PDX
-
BKK
2 stops37h 35m
แอร์แคนาดา
Deal found 26/2฿30,062
Sat 18/720:15
BKK
-
PDX
2 stops27h 16m
แอร์แคนาดา
Wed 16/919:45
PDX
-
BKK
2 stops37h 35m
แอร์แคนาดา
Deal found 26/2฿30,279

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 28 February 2026.

Return from

฿23,926

One-way from

฿15,775

Popular in

February

Cheapest in

August

Average price

฿36,818
15/7-16/9
  • 15/7-16/9
  • 4 total stops
  • 62h 14m total
  • Bangkok to Portland
10/3
  • 10/3
  • 2 total stops
  • 23h 21m total
  • Bangkok to Portland
Highest demand for flights based on searches. 8% potential increase in price (฿2,641 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 28 February 2026.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

23:30-16:23

2 stops30h 53m

Portland

Wed 3/6

11:20-01:05

2 stops23h 45m

฿28,079

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

07:00-09:30

2 stops40h 30m

Portland

Tue 12/5

10:10-23:20

2 stops23h 10m

฿32,821

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 14/4

15:45-00:44

2 stops46h 59m

Portland

Tue 21/4

05:30-09:35

3 stops38h 05m

฿33,657

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 10/4

13:25-23:44

2 stops24h 19m

Portland

Sun 19/4

21:30-22:40

2 stops35h 10m

฿35,393

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

15:45-15:03

3 stops37h 18m

Portland

Sat 15/8

18:00-09:35

2 stops25h 35m

฿37,438

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 14/7

15:45-10:20

3 stops32h 35m

Portland

Wed 16/9

05:30-23:55

3 stops28h 25m

฿40,507

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

15:45-00:59

2 stops23h 14m

Portland

Tue 12/5

13:37-09:35

3 stops29h 58m

฿40,600

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 18/7

15:45-10:20

3 stops32h 35m

Portland

Wed 16/9

05:30-23:55

3 stops28h 25m

฿41,994

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 7/3

21:30-18:03

2 stops35h 33m

฿16,674

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 23/3

02:05-13:11

2 stops25h 06m

฿16,674

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 16 resultsSorted by cheapest first
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 24 hours 19 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 28 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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Boarding

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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Boarding

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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Boarding

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

Comfort

8.9

Food

8.7

Overall

8.9

Crew

9.2

Boarding

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 ฿6,447, while return flights cost around ฿11,591.

  • 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 (24 hours 19 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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